def _draw_rubberband(self, extent, colour, width=2):
"""
Draw a rubber band on the canvas.
.. versionadded: 2.2.0
:param extent: Extent that the rubber band should be drawn for.
:type extent: QgsRectangle
:param colour: Colour for the rubber band.
:type colour: QColor
:param width: The width for the rubber band pen stroke.
:type width: int
:returns: Rubber band that should be set to the extent.
:rtype: QgsRubberBand
"""
rubberband = QgsRubberBand(
self.iface.mapCanvas(), geometryType=QGis.Line)
rubberband.setColor(colour)
rubberband.setWidth(width)
update_display_flag = False
point = QgsPoint(extent.xMinimum(), extent.yMinimum())
rubberband.addPoint(point, update_display_flag)
point = QgsPoint(extent.xMaximum(), extent.yMinimum())
rubberband.addPoint(point, update_display_flag)
point = QgsPoint(extent.xMaximum(), extent.yMaximum())
rubberband.addPoint(point, update_display_flag)
point = QgsPoint(extent.xMinimum(), extent.yMaximum())
rubberband.addPoint(point, update_display_flag)
point = QgsPoint(extent.xMinimum(), extent.yMinimum())
update_display_flag = True
rubberband.addPoint(point, update_display_flag)
return rubberband
class LineDrawer(QgsMapToolEmitPoint):
def __init__(self, canvas):
# call the parent constructor
QgsMapToolEmitPoint.__init__(self, canvas)
# store the passed canvas
self.canvas = canvas
# flag to know whether the tool is performing a drawing operation
self.isDrawing = False
# create and setup the rubber band to display the line
self.rubberBand = QgsRubberBand( self.canvas, False ) # False = not a polygon = a line
self.rubberBand.setColor( Qt.red )
self.rubberBand.setWidth( 1 )
def clear(self):
self.rubberBand.reset( False ) # False = not a polygon = a line
def delete(self):
self.canvas.scene().removeItem( self.rubberBand )
def canvasPressEvent(self, e):
# which the mouse button?
if e.button() == Qt.LeftButton:
# left click
# if it's the first left click, clear the rubberband
if not self.isDrawing:
self.clear()
# we are drawing now
self.isDrawing = True
# convert the clicked position to map coordinates
point = self.toMapCoordinates( e.pos() )
# add a new point to the rubber band
self.rubberBand.addPoint( point, True ) # True = display updates on the canvas
# and finally show the rubber band
self.rubberBand.show()
elif e.button() == Qt.RightButton:
# right click, stop drawing
self.isDrawing = False
# emit a signal
self.emit( SIGNAL("editingFinished()") )
def canvasMoveEvent(self, e):
# check if it's already drawing
if not self.isDrawing:
return
# convert the mouse position to map coordinates
point = self.toMapCoordinates( e.pos() )
# move the last point to the new coordinates
self.rubberBand.movePoint( point )
def geometry(self):
return self.rubberBand.asGeometry()
class GetPointMapTool(QgsMapToolEmitPoint):
coordCaptured = ""
def __init__(self, canvas, iface, dockwidget, currentMapTool):
self.canvas = canvas
self.iface = iface
self.currentMapTool = currentMapTool
self.dockwidget = dockwidget
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.rubberBand = QgsRubberBand(self.canvas, QGis.Point)
self.rubberBand.setColor(QColor(255,5,5))
self.rubberBand.setWidth(1)
self.reset()
def reset(self):
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
self.rubberBand.reset(QGis.Polygon)
def canvasPressEvent(self, e):
self.point = self.toMapCoordinates(e.pos())
self.isEmittingPoint = True
self.showPoint(self.point)
def canvasReleaseEvent(self, e):
self.isEmittingPoint = False
self.coordCaptured = self.pointdef()
if self.coordCaptured is not None:
print "Point:", self.coordCaptured
self.coordCaptured = str(self.coordCaptured).strip("(")
self.coordCaptured = str(self.coordCaptured).strip(")")
self.dockwidget.munLineEdit.setText(self.coordCaptured)
self.iface.mapCanvas().setMapTool(self.currentMapTool)
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.endPoint = self.toMapCoordinates(e.pos())
# self.showRect(self.startPoint, self.endPoint)
def showPoint(self, point):
self.rubberBand.reset(QGis.Polygon)
point1 = QgsPoint(point.x(), point.y())
self.rubberBand.addPoint(point1, False)
self.rubberBand.show()
def pointdef(self):
return QgsPoint(self.point)
class QgepMapToolAddFeature( QgsMapTool ):
def __init__(self, iface, layer):
QgsMapTool.__init__(self, iface.mapCanvas() )
self.iface = iface
self.canvas = iface.mapCanvas()
self.layer = layer
self.rubberband = QgsRubberBand( iface.mapCanvas(), layer.geometryType() )
self.rubberband.setColor( QColor( "#ee5555" ) )
self.rubberband.setWidth( 2 )
self.tempRubberband = QgsRubberBand( iface.mapCanvas(), layer.geometryType() )
self.tempRubberband.setColor( QColor( "#ee5555" ) )
self.tempRubberband.setWidth( 2 )
self.tempRubberband.setLineStyle(Qt.DotLine)
def activate(self):
QgsMapTool.activate( self )
self.canvas.setCursor( QCursor( Qt.CrossCursor ) )
pass
def deactivate(self):
QgsMapTool.deactivate( self )
self.canvas.unsetCursor()
pass
def isZoomTool( self ):
return False
#===========================================================================
# Events
#===========================================================================
def canvasMoveEvent( self, event ):
self.mouseMoved( event )
def canvasReleaseEvent( self, event ):
if event.button() == Qt.RightButton:
self.rightClicked ( event )
else:
self.leftClicked( event )
def leftClicked(self, event):
mousePos = self.canvas.getCoordinateTransform().toMapCoordinates( event.pos().x(), event.pos().y() )
self.rubberband.addPoint( mousePos )
self.tempRubberband.reset()
def rightClicked(self, event):
f = QgsFeature( self.layer.pendingFields() )
f.setGeometry( self.rubberband.asGeometry() )
dlg = self.iface.getFeatureForm( self.layer, f )
dlg.setIsAddDialog(True)
dlg.exec_()
self.rubberband.reset()
self.tempRubberband.reset()
def mouseMoved(self, event):
mousePos = self.canvas.getCoordinateTransform().toMapCoordinates( event.pos().x(), event.pos().y() )
self.tempRubberband.movePoint( mousePos )
def drawManyPaths(self, rows, columns, con, args, geomType, canvasItemList, mapCanvas):
'''
draws multi line string on the mapCanvas.
'''
resultPathsRubberBands = canvasItemList['paths']
rubberBand = None
cur_path_id = None
for row in rows:
cur2 = con.cursor()
result_path_id = str(row[columns[0]])
args['result_node_id'] = sql.Literal(row[columns[1]])
args['result_edge_id'] = sql.Literal(row[columns[2]])
if result_path_id != cur_path_id:
cur_path_id = result_path_id
if rubberBand:
resultPathsRubberBands.append(rubberBand)
rubberBand = None
rubberBand = QgsRubberBand(mapCanvas, Utils.getRubberBandType(False))
rubberBand.setColor(QColor(255, 0, 0, 128))
rubberBand.setWidth(4)
if row[columns[2]] != -1:
query2 = sql.SQL("""
SELECT ST_AsText({transform_s}{geometry}{transform_e})
FROM {edge_schema}.{edge_table}
WHERE {source} = {result_node_id} AND {id} = {result_edge_id}
UNION
SELECT ST_AsText({transform_s}ST_Reverse({geometry}){transform_e})
FROM {edge_schema}.{edge_table}
WHERE {target} = {result_node_id} AND {id} = {result_edge_id}
""").format(**args).as_string(con)
cur2.execute(query2)
row2 = cur2.fetchone()
geom = QgsGeometry().fromWkt(str(row2[0]))
if geom.wkbType() == QgsWkbTypes.MultiLineString:
for line in geom.asMultiPolyline():
for pt in line:
rubberBand.addPoint(pt)
elif geom.wkbType() == QgsWkbTypes.LineString:
for pt in geom.asPolyline():
rubberBand.addPoint(pt)
if rubberBand:
resultPathsRubberBands.append(rubberBand)
rubberBand = None
class DrawPolygon(QgsMapTool):
'''Outil de sélection par polygone, tiré de selectPlusFr'''
selectionDone = pyqtSignal()
move = pyqtSignal()
def __init__(self, iface, couleur):
canvas = iface.mapCanvas()
QgsMapTool.__init__(self, canvas)
self.canvas = canvas
self.iface = iface
self.status = 0
self.rb = QgsRubberBand(self.canvas, QgsWkbTypes.PolygonGeometry)
self.rb.setColor(couleur)
return None
def keyPressEvent(self, e):
if e.matches(QKeySequence.Undo):
if self.rb.numberOfVertices() > 1:
self.rb.removeLastPoint()
def canvasPressEvent(self, e):
if e.button() == Qt.LeftButton:
if self.status == 0:
self.rb.reset(QgsWkbTypes.PolygonGeometry)
self.status = 1
self.rb.addPoint(self.toMapCoordinates(e.pos()))
else:
if self.rb.numberOfVertices() > 2:
self.status = 0
self.selectionDone.emit()
else:
self.reset()
return None
def canvasMoveEvent(self, e):
if self.rb.numberOfVertices() > 0 and self.status == 1:
self.rb.removeLastPoint(0)
self.rb.addPoint(self.toMapCoordinates(e.pos()))
self.move.emit()
return None
def reset(self):
self.status = 0
self.rb.reset(True)
def deactivate(self):
self.rb.reset(True)
QgsMapTool.deactivate(self)
class RubberBandResultRenderer():
def __init__(self, iface, color = QColor('magenta'), size = 12):
self.iface = iface
self.rb = QgsRubberBand(self.iface.mapCanvas(), QGis.Point)
self.rb.setColor(color)
self.rb.setIconSize(size)
self.srs_wgs84 = QgsCoordinateReferenceSystem(4326)
self.transformation = QgsCoordinateTransform(self.srs_wgs84, self.srs_wgs84)
def show_point(self, point, center=False):
#check srs
if self.need_transform():
point = self.transform_point(point)
self.rb.addPoint(point)
if center:
self.center_to_point(point)
def clear(self):
self.rb.reset(QGis.Point)
def need_transform(self):
return self.iface.mapCanvas().mapRenderer().destinationCrs().postgisSrid() != 4326
def transform_point(self, point):
dest_srs_id = self.iface.mapCanvas().mapRenderer().destinationCrs().srsid()
self.transformation.setDestCRSID(dest_srs_id)
try:
return self.transformation.transform(point)
except:
print 'Error on transform!' # DEBUG! need message???
return
def center_to_point(self, point):
canvas = self.iface.mapCanvas()
new_extent = QgsRectangle(canvas.extent())
new_extent.scale(1, point)
canvas.setExtent(new_extent)
canvas.refresh()
class PlaceMarkerMapTool(QgsMapToolEmitPoint):
'''
classdocs
'''
def __init__(self, canvas):
'''
Constructor
'''
self.canvas = canvas
super(PlaceMarkerMapTool, self).__init__(self.canvas)
self.rubberBand = QgsRubberBand(self.canvas, QGis.Polygon)
self.rubberBand.setColor(Qt.red)
self.rubberBand.setWidth(1)
self.reset()
def reset(self):
self.rubberBand.reset(QGis.Polygon)
def canvasReleaseEvent(self, e):
p1 = self.canvas.getCoordinateTransform().toMapCoordinates(e.x() - 2, e.y() - 2)
p2 = self.canvas.getCoordinateTransform().toMapCoordinates(e.x() + 2, e.y() - 2)
p3 = self.canvas.getCoordinateTransform().toMapCoordinates(e.x() + 2, e.y() + 2)
p4 = self.canvas.getCoordinateTransform().toMapCoordinates(e.x() - 2, e.y() + 2)
self.reset()
self.rubberBand.addPoint(p1, False)
self.rubberBand.addPoint(p2, False)
self.rubberBand.addPoint(p3, False)
self.rubberBand.addPoint(p4, True)
self.rubberBand.show()
def deactivate(self):
self.reset()
super(PlaceMarkerMapTool, self).deactivate()
class FreehandPolygonMaptool(QgsMapTool, QObject):
trigger = pyqtSignal(QgsGeometry)
def __init__(self, canvas):
QgsMapTool.__init__(self,canvas)
self.canvas = canvas
self.rb = QgsRubberBand(canvas, QgsWkbTypes.PolygonGeometry)
self.rb.setColor(QColor(255, 0, 0, 50))
def activate(self):
self.rb.reset(QgsWkbTypes.PolygonGeometry)
def deactivate(self):
self.rb.reset(QgsWkbTypes.PolygonGeometry)
def canvasMoveEvent(self, ev):
worldPoint = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), ev.pos().x(), ev.pos().y())
self.rb.movePoint(worldPoint)
def canvasPressEvent(self, ev):
if ev.button() == Qt.LeftButton:
""" Add a new point to the rubber band """
worldPoint = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), ev.pos().x(), ev.pos().y())
self.rb.addPoint(worldPoint)
elif ev.button() == Qt.RightButton:
""" Send back the geometry to the calling class """
self.trigger.emit(self.rb.asGeometry())
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return False
class DrawPoint(QgsMapTool):
selectionDone = pyqtSignal()
def __init__(self, iface, couleur):
canvas = iface.mapCanvas()
QgsMapTool.__init__(self, canvas)
self.canvas = canvas
self.iface = iface
self.rb = QgsRubberBand(self.canvas, QgsWkbTypes.PointGeometry)
self.rb.setColor(couleur)
self.rb.setWidth(3)
def canvasReleaseEvent(self, e):
if e.button() == Qt.LeftButton:
self.rb.addPoint(self.toMapCoordinates(e.pos()))
self.selectionDone.emit()
def reset(self):
self.rb.reset(QgsWkbTypes.PointGeometry)
def deactivate(self):
self.rb.reset(QgsWkbTypes.PointGeometry)
QgsMapTool.deactivate(self)
class SelectPoint(QgsMapTool):
select = pyqtSignal()
selectionDone = pyqtSignal()
def __init__(self, iface, couleur):
canvas = iface.mapCanvas()
QgsMapTool.__init__(self, canvas)
self.canvas = canvas
self.iface = iface
self.rb = QgsRubberBand(self.canvas, QgsWkbTypes.PolygonGeometry)
self.rb.setColor(couleur)
self.rbSelect = QgsRubberBand(self.canvas, QgsWkbTypes.PolygonGeometry)
return None
def canvasReleaseEvent(self, e):
if e.button() == Qt.LeftButton:
self.rbSelect.reset(QgsWkbTypes.PolygonGeometry)
cp = self.toMapCoordinates(
QPoint(e.pos().x() - 5, e.pos().y() - 5))
self.rbSelect.addPoint(cp)
cp = self.toMapCoordinates(
QPoint(e.pos().x() + 5, e.pos().y() - 5))
self.rbSelect.addPoint(cp)
cp = self.toMapCoordinates(
QPoint(e.pos().x() + 5, e.pos().y() + 5))
self.rbSelect.addPoint(cp)
cp = self.toMapCoordinates(
QPoint(e.pos().x() - 5, e.pos().y() + 5))
self.rbSelect.addPoint(cp)
self.select.emit()
else:
self.selectionDone.emit()
return None
def reset(self):
self.rb.reset(QgsWkbTypes.PolygonGeometry)
self.rbSelect.reset(QgsWkbTypes.PolygonGeometry)
def deactivate(self):
self.rb.reset(QgsWkbTypes.PolygonGeometry)
self.rbSelect.reset(QgsWkbTypes.PolygonGeometry)
QgsMapTool.deactivate(self)
class RectangleMapTool(QgsMapTool):
def __init__(self, canvas, callback):
self.canvas = canvas
QgsMapTool.__init__(self, self.canvas)
self.callback = callback
self.rubberBand = QgsRubberBand(self.canvas, True)
self.rubberBand.setColor(QColor(227, 26, 28, 255))
self.rubberBand.setWidth(5)
self.rubberBand.setLineStyle(Qt.PenStyle(Qt.DashLine))
self.reset()
def reset(self):
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
self.rubberBand.reset(True)
def canvasPressEvent(self, e):
self.startPoint = self.toMapCoordinates(e.pos())
self.endPoint = self.startPoint
self.isEmittingPoint = True
self.showRect(self.startPoint, self.endPoint)
def canvasReleaseEvent(self, e):
self.isEmittingPoint = False
r = self.rectangle()
if r is not None:
# print "Rectangle:", r.xMinimum(), r.yMinimum(), r.xMaximum(), r.yMaximum()
self.rubberBand.hide()
self.callback(r)
# self.deactivate()
return None
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.endPoint = self.toMapCoordinates(e.pos())
self.showRect(self.startPoint, self.endPoint)
def showRect(self, startPoint, endPoint):
self.rubberBand.reset(True)
if startPoint.x() == endPoint.x() or startPoint.y() == endPoint.y():
return
point1 = QgsPoint(startPoint.x(), startPoint.y())
point2 = QgsPoint(startPoint.x(), endPoint.y())
point3 = QgsPoint(endPoint.x(), endPoint.y())
point4 = QgsPoint(endPoint.x(), startPoint.y())
self.rubberBand.addPoint(point1, False)
self.rubberBand.addPoint(point2, False)
self.rubberBand.addPoint(point3, False)
self.rubberBand.addPoint(point4, False)
self.rubberBand.addPoint(point1, True) # true to update canvas
self.rubberBand.show()
def rectangle(self):
if self.startPoint is None or self.endPoint is None:
return None
elif self.startPoint.x() == self.endPoint.x() or self.startPoint.y() == self.endPoint.y():
return None
return QgsRectangle(self.startPoint, self.endPoint)
def deactivate(self):
super(RectangleMapTool, self).deactivate()
self.emit(QtCore.SIGNAL("deactivated()"))
def drawCostPaths(self, rows, con, args, geomType, canvasItemList, mapCanvas):
resultPathsRubberBands = canvasItemList['paths']
rubberBand = None
cur_path_id = -1
for row in rows:
cur2 = con.cursor()
args['result_path_id'] = row[0]
args['result_source_id'] = sql.Literal(row[1])
args['result_target_id'] = sql.Literal(row[2])
args['result_cost'] = row[3]
if args['result_path_id'] != cur_path_id:
cur_path_id = args['result_path_id']
if rubberBand:
resultPathsRubberBands.append(rubberBand)
rubberBand = None
rubberBand = QgsRubberBand(mapCanvas, Utils.getRubberBandType(False))
rubberBand.setColor(QColor(255, 0, 0, 128))
rubberBand.setWidth(4)
if args['result_cost'] != -1:
query2 = sql.SQL("""
SELECT ST_AsText( ST_MakeLine(
(SELECT {geometry_vt} FROM {vertex_schema}.{vertex_table} WHERE id = {result_source_id}),
(SELECT {geometry_vt} FROM {vertex_schema}.{vertex_table} WHERE id = {result_target_id})
))
""").format(**args)
# Utils.logMessage(query2)
cur2.execute(query2)
row2 = cur2.fetchone()
# Utils.logMessage(str(row2[0]))
geom = QgsGeometry().fromWkt(str(row2[0]))
if geom.wkbType() == QgsWkbTypes.MultiLineString:
for line in geom.asMultiPolyline():
for pt in line:
rubberBand.addPoint(pt)
elif geom.wkbType() == QgsWkbTypes.LineString:
for pt in geom.asPolyline():
rubberBand.addPoint(pt)
# TODO label the edge instead of labeling the target points
if rubberBand:
resultPathsRubberBands.append(rubberBand)
rubberBand = None
resultNodesTextAnnotations = canvasItemList['annotations']
for row in rows:
cur2 = con.cursor()
args['result_seq'] = row[0]
args['result_source_id'] = sql.Literal(row[1])
result_target_id = row[2]
args['result_target_id'] = sql.Literal(result_target_id)
result_cost = row[3]
query2 = sql.SQL("""
SELECT ST_AsText( ST_startPoint({geometry}) ) FROM {edge_schema}.{edge_table}
WHERE {source} = {result_target_id}
UNION
SELECT ST_AsText( ST_endPoint( {geometry} ) ) FROM {edge_schema}.{edge_table}
WHERE {target} = {result_target_id}
""").format(**args)
cur2.execute(query2)
row2 = cur2.fetchone()
geom = QgsGeometry().fromWkt(str(row2[0]))
pt = geom.asPoint()
textDocument = QTextDocument("{0!s}:{1}".format(result_target_id, result_cost))
textAnnotation = QgsTextAnnotation()
textAnnotation.setMapPosition(geom.asPoint())
textAnnotation.setFrameSize(QSizeF(textDocument.idealWidth(), 20))
textAnnotation.setFrameOffsetFromReferencePoint(QPointF(20, -40))
textAnnotation.setDocument(textDocument)
QgsMapCanvasAnnotationItem(textAnnotation, mapCanvas)
resultNodesTextAnnotations.append(textAnnotation)
class QgepMapToolDigitizeDrainageChannel(QgsMapTool):
'''
This is used to digitize a drainage channel.
It lets you digitize two points and then creates a polygon based on these two points
by adding an orthogonal offset at each side.
Input:
x==============x
Output:
----------------
| |
----------------
Usage:
Connect to the signals deactivated() and geometryDigitized()
If geometryDigitized() is called you can use the member variable geometry
which will contain a rectangle polygon
deactivated() will be emited after a right click
'''
geometryDigitized = pyqtSignal()
def __init__(self, iface, layer):
QgsMapTool.__init__(self, iface.mapCanvas())
self.iface = iface
self.canvas = iface.mapCanvas()
self.layer = layer
self.rubberband = QgsRubberBand(iface.mapCanvas(),
QgsWkbTypes.LineGeometry)
self.rubberband.setColor(QColor("#ee5555"))
self.rubberband.setWidth(2)
self.firstPoint = None
self.messageBarItem = None
self.geometry = None
def activate(self):
"""
Map tool is activated
"""
QgsMapTool.activate(self)
self.canvas.setCursor(QCursor(Qt.CrossCursor))
msgtitle = self.tr('Digitizing Drainage Channel')
msg = self.tr('Digitize start and end point. Rightclick to abort.')
self.messageBarItem = QgsMessageBar.createMessage(msgtitle, msg)
self.iface.messageBar().pushItem(self.messageBarItem)
def deactivate(self):
"""
Map tool is deactivated
"""
QgsMapTool.deactivate(self)
self.iface.messageBar().popWidget(self.messageBarItem)
try:
self.iface.mapCanvas().scene().removeItem(self.rubberband)
del self.rubberband
except AttributeError:
# Called repeatedly... bail out
pass
self.canvas.unsetCursor()
def canvasMoveEvent(self, event):
"""
Mouse is moved: Update rubberband
:param event: coordinates etc.
"""
mousepos = event.mapPoint()
self.rubberband.movePoint(mousepos)
def canvasReleaseEvent(self, event):
"""
Canvas is released. This means:
* start digitizing
* stop digitizing (create a rectangle
* if the Ctrl-modifier is pressed, ask for the rectangle width
:param event: coordinates etc.
"""
if event.button() == Qt.RightButton:
self.deactivate()
else:
mousepos = self.canvas.getCoordinateTransform()\
.toMapCoordinates(event.pos().x(), event.pos().y())
self.rubberband.addPoint(mousepos)
if self.firstPoint: # If the first point was set before, we are doing the second one
lp1 = self.rubberband.asGeometry().asPolyline()[0]
lp2 = self.rubberband.asGeometry().asPolyline()[1]
width = 0.2
if QApplication.keyboardModifiers() & Qt.ControlModifier:
dlg = QDialog()
dlg.setLayout(QGridLayout())
dlg.layout().addWidget(QLabel(self.tr('Enter width')))
txt = QLineEdit('0.2')
dlg.layout().addWidget(txt)
bb = QDialogButtonBox(QDialogButtonBox.Ok
| QDialogButtonBox.Cancel)
dlg.layout().addWidget(bb)
bb.accepted.connect(dlg.accept)
bb.rejected.connect(dlg.reject)
if dlg.exec_():
try:
width = float(txt.text())
except ValueError:
width = 0.2
length = math.sqrt(
math.pow(lp1.x() - lp2.x(), 2) +
math.pow(lp1.y() - lp2.y(), 2))
xd = lp2.x() - lp1.x()
yd = lp2.y() - lp1.y()
pt1 = QgsPointXY(lp1.x() + width * (yd / length),
lp1.y() - width * (xd / length))
pt2 = QgsPointXY(lp1.x() - width * (yd / length),
lp1.y() + width * (xd / length))
pt3 = QgsPointXY(lp2.x() - width * (yd / length),
lp2.y() + width * (xd / length))
pt4 = QgsPointXY(lp2.x() + width * (yd / length),
lp2.y() - width * (xd / length))
self.geometry = QgsGeometry.fromPolygonXY(
[[pt1, pt2, pt3, pt4, pt1]])
self.geometryDigitized.emit()
self.firstPoint = mousepos
class Qgis2threejsDialog(QDialog):
def __init__(self, iface, objectTypeManager, pluginManager, exportSettings=None, lastTreeItemData=None):
QDialog.__init__(self, iface.mainWindow())
self.iface = iface
self.objectTypeManager = objectTypeManager
self.pluginManager = pluginManager
self._settings = exportSettings or {}
self.lastTreeItemData = lastTreeItemData
self.localBrowsingMode = True
self.rb_quads = self.rb_point = None
self.templateType = None
self.currentItem = None
self.currentPage = None
# Set up the user interface from Designer.
self.ui = ui = Ui_Qgis2threejsDialog()
ui.setupUi(self)
self.setWindowFlags(self.windowFlags() | Qt.WindowMinimizeButtonHint)
# output html filename
ui.lineEdit_OutputFilename.setText(self._settings.get("OutputFilename", ""))
ui.lineEdit_OutputFilename.setPlaceholderText("[Temporary file]")
# settings button
icon = QIcon(os.path.join(tools.pluginDir(), "icons", "settings.png"))
ui.toolButton_Settings.setIcon(icon)
# popup menu displayed when settings button is pressed
items = [["Load Settings...", self.loadSettings],
["Save Settings As...", self.saveSettings],
[None, None],
["Clear Settings", self.clearSettings],
[None, None],
["Plugin Settings...", self.pluginSettings]]
self.menu = QMenu()
self.menu_actions = []
for text, slot in items:
if text:
action = QAction(text, iface.mainWindow())
action.triggered.connect(slot)
self.menu.addAction(action)
self.menu_actions.append(action)
else:
self.menu.addSeparator()
ui.toolButton_Settings.setMenu(self.menu)
ui.toolButton_Settings.setPopupMode(QToolButton.InstantPopup)
# progress bar and message label
ui.progressBar.setVisible(False)
ui.label_MessageIcon.setVisible(False)
# buttons
ui.pushButton_Run.clicked.connect(self.run)
ui.pushButton_Close.clicked.connect(self.reject)
ui.pushButton_Help.clicked.connect(self.help)
# set up map tool
self.previousMapTool = None
self.mapTool = RectangleMapTool(iface.mapCanvas())
#self.mapTool = PointMapTool(iface.mapCanvas())
# set up the template combo box
self.initTemplateList()
self.ui.comboBox_Template.currentIndexChanged.connect(self.currentTemplateChanged)
# set up the properties pages
self.pages = {}
self.pages[ppages.PAGE_WORLD] = ppages.WorldPropertyPage(self)
self.pages[ppages.PAGE_CONTROLS] = ppages.ControlsPropertyPage(self)
self.pages[ppages.PAGE_DEM] = ppages.DEMPropertyPage(self)
self.pages[ppages.PAGE_VECTOR] = ppages.VectorPropertyPage(self)
container = ui.propertyPagesContainer
for page in self.pages.itervalues():
page.hide()
container.addWidget(page)
# build object tree
self.topItemPages = {ObjectTreeItem.ITEM_WORLD: ppages.PAGE_WORLD, ObjectTreeItem.ITEM_CONTROLS: ppages.PAGE_CONTROLS, ObjectTreeItem.ITEM_DEM: ppages.PAGE_DEM}
self.initObjectTree()
self.ui.treeWidget.currentItemChanged.connect(self.currentObjectChanged)
self.ui.treeWidget.itemChanged.connect(self.objectItemChanged)
self.currentTemplateChanged() # update item visibility
ui.toolButton_Browse.clicked.connect(self.browseClicked)
#iface.mapCanvas().mapToolSet.connect(self.mapToolSet) # to show button to enable own map tool
def settings(self, clean=False):
# save settings of current panel
item = self.ui.treeWidget.currentItem()
if item and self.currentPage:
self.saveProperties(item, self.currentPage)
# plugin version
self._settings["PluginVersion"] = plugin_version
# template and output html file path
self._settings["Template"] = self.ui.comboBox_Template.currentText()
self._settings["OutputFilename"] = self.ui.lineEdit_OutputFilename.text()
if not clean:
return self._settings
# clean up settings - remove layers that don't exist in the layer registry
registry = QgsMapLayerRegistry.instance()
for itemId in [ObjectTreeItem.ITEM_OPTDEM, ObjectTreeItem.ITEM_POINT, ObjectTreeItem.ITEM_LINE, ObjectTreeItem.ITEM_POLYGON]:
parent = self._settings.get(itemId, {})
for layerId in parent.keys():
if registry.mapLayer(layerId) is None:
del parent[layerId]
return self._settings
def setSettings(self, settings):
self._settings = settings
# template and output html file path
templateName = settings.get("Template")
if templateName:
cbox = self.ui.comboBox_Template
index = cbox.findText(templateName)
if index != -1:
cbox.setCurrentIndex(index)
filename = settings.get("OutputFilename")
if filename:
self.ui.lineEdit_OutputFilename.setText(filename)
# update object tree
self.ui.treeWidget.blockSignals(True)
self.initObjectTree()
self.ui.treeWidget.blockSignals(False)
# update tree item visibility
self.templateType = None
self.currentTemplateChanged()
def loadSettings(self):
# file open dialog
directory = QgsProject.instance().homePath()
if not directory:
directory = os.path.split(self.ui.lineEdit_OutputFilename.text())[0]
if not directory:
directory = QDir.homePath()
filterString = "Settings files (*.qto3settings);;All files (*.*)"
filename = QFileDialog.getOpenFileName(self, "Load Export Settings", directory, filterString)
if not filename:
return
# load settings from file (.qto3settings)
import json
with open(filename) as f:
settings = json.load(f)
self.setSettings(settings)
def saveSettings(self, filename=None):
if not filename:
# file save dialog
directory = QgsProject.instance().homePath()
if not directory:
directory = os.path.split(self.ui.lineEdit_OutputFilename.text())[0]
if not directory:
directory = QDir.homePath()
filename = QFileDialog.getSaveFileName(self, "Save Export Settings", directory, "Settings files (*.qto3settings)")
if not filename:
return
# append .qto3settings extension if filename doesn't have
if os.path.splitext(filename)[1].lower() != ".qto3settings":
filename += ".qto3settings"
# save settings to file (.qto3settings)
import codecs
import json
with codecs.open(filename, "w", "UTF-8") as f:
json.dump(self.settings(True), f, ensure_ascii=False, indent=2, sort_keys=True)
logMessage(u"Settings saved: {0}".format(filename))
def clearSettings(self):
if QMessageBox.question(self, "Qgis2threejs", "Are you sure to clear all export settings?", QMessageBox.Ok | QMessageBox.Cancel) == QMessageBox.Ok:
self.setSettings({})
def pluginSettings(self):
from settingsdialog import SettingsDialog
dialog = SettingsDialog(self)
if dialog.exec_():
self.pluginManager.reloadPlugins()
self.pages[ppages.PAGE_DEM].initLayerComboBox()
def showMessageBar(self, text, level=QgsMessageBar.INFO):
# from src/gui/qgsmessagebaritem.cpp
if level == QgsMessageBar.CRITICAL:
msgIcon = "/mIconCritical.png"
bgColor = "#d65253"
elif level == QgsMessageBar.WARNING:
msgIcon = "/mIconWarn.png"
bgColor = "#ffc800"
else:
msgIcon = "/mIconInfo.png"
bgColor = "#e7f5fe"
stylesheet = "QLabel {{ background-color:{0}; }}".format(bgColor)
label = self.ui.label_MessageIcon
label.setPixmap(QgsApplication.getThemeIcon(msgIcon).pixmap(24))
label.setStyleSheet(stylesheet)
label.setVisible(True)
label = self.ui.label_Status
label.setText(text)
label.setStyleSheet(stylesheet)
def clearMessageBar(self):
self.ui.label_MessageIcon.setVisible(False)
self.ui.label_Status.setText("")
self.ui.label_Status.setStyleSheet("QLabel { background-color: rgba(0, 0, 0, 0); }")
def initTemplateList(self):
cbox = self.ui.comboBox_Template
cbox.clear()
templateDir = QDir(tools.templateDir())
for i, entry in enumerate(templateDir.entryList(["*.html", "*.htm"])):
cbox.addItem(entry)
config = tools.getTemplateConfig(entry)
# get template type
templateType = config.get("type", "plain")
cbox.setItemData(i, templateType, Qt.UserRole)
# set tool tip text
desc = config.get("description", "")
if desc:
cbox.setItemData(i, desc, Qt.ToolTipRole)
# select the template of the settings
templatePath = self._settings.get("Template")
# if no template setting, select the last used template
if not templatePath:
templatePath = QSettings().value("/Qgis2threejs/lastTemplate", def_vals.template, type=unicode)
if templatePath:
index = cbox.findText(templatePath)
if index != -1:
cbox.setCurrentIndex(index)
return index
return -1
def initObjectTree(self):
tree = self.ui.treeWidget
tree.clear()
# add vector and raster layers into tree widget
topItems = {}
for id, name in zip(ObjectTreeItem.topItemIds, ObjectTreeItem.topItemNames):
item = QTreeWidgetItem(tree, [name])
item.setData(0, Qt.UserRole, id)
topItems[id] = item
optDEMChecked = False
for layer in self.iface.legendInterface().layers():
parentId = ObjectTreeItem.parentIdByLayer(layer)
if parentId is None:
continue
item = QTreeWidgetItem(topItems[parentId], [layer.name()])
isVisible = self._settings.get(parentId, {}).get(layer.id(), {}).get("visible", False) #self.iface.legendInterface().isLayerVisible(layer)
check_state = Qt.Checked if isVisible else Qt.Unchecked
item.setData(0, Qt.CheckStateRole, check_state)
item.setData(0, Qt.UserRole, layer.id())
if parentId == ObjectTreeItem.ITEM_OPTDEM and isVisible:
optDEMChecked = True
for id, item in topItems.iteritems():
if id != ObjectTreeItem.ITEM_OPTDEM or optDEMChecked:
tree.expandItem(item)
# disable additional DEM item which is selected as main DEM
layerId = self._settings.get(ObjectTreeItem.ITEM_DEM, {}).get("comboBox_DEMLayer")
if layerId:
self.primaryDEMChanged(layerId)
def saveProperties(self, item, page):
properties = page.properties()
parent = item.parent()
if parent is None:
# top level item
self._settings[item.data(0, Qt.UserRole)] = properties
else:
# layer item
parentId = parent.data(0, Qt.UserRole)
if parentId not in self._settings:
self._settings[parentId] = {}
self._settings[parentId][item.data(0, Qt.UserRole)] = properties
def setCurrentTreeItemByData(self, data):
it = QTreeWidgetItemIterator(self.ui.treeWidget)
while it.value():
if it.value().data(0, Qt.UserRole) == data:
self.ui.treeWidget.setCurrentItem(it.value())
return True
it += 1
return False
def currentTemplateChanged(self, index=None):
cbox = self.ui.comboBox_Template
templateType = cbox.itemData(cbox.currentIndex(), Qt.UserRole)
if templateType == self.templateType:
return
# hide items unsupported by template
tree = self.ui.treeWidget
for i, id in enumerate(ObjectTreeItem.topItemIds):
hidden = (templateType == "sphere" and id != ObjectTreeItem.ITEM_CONTROLS)
tree.topLevelItem(i).setHidden(hidden)
# set current tree item
if templateType == "sphere":
tree.setCurrentItem(tree.topLevelItem(ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_CONTROLS)))
elif self.lastTreeItemData is None or not self.setCurrentTreeItemByData(self.lastTreeItemData): # restore selection
tree.setCurrentItem(tree.topLevelItem(ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_DEM))) # default selection for plain is DEM
# display messages
self.clearMessageBar()
if templateType != "sphere":
# show message if crs unit is degrees
mapSettings = self.iface.mapCanvas().mapSettings() if QGis.QGIS_VERSION_INT >= 20300 else self.iface.mapCanvas().mapRenderer()
if mapSettings.destinationCrs().mapUnits() in [QGis.Degrees]:
self.showMessageBar("The unit of current CRS is degrees, so terrain may not appear well.", QgsMessageBar.WARNING)
self.templateType = templateType
def currentObjectChanged(self, currentItem, previousItem):
# save properties of previous item
if previousItem and self.currentPage:
self.saveProperties(previousItem, self.currentPage)
self.currentItem = currentItem
self.currentPage = None
# hide text browser and all pages
self.ui.textBrowser.hide()
for page in self.pages.itervalues():
page.hide()
parent = currentItem.parent()
if parent is None:
topItemIndex = currentItem.data(0, Qt.UserRole)
pageType = self.topItemPages.get(topItemIndex, ppages.PAGE_NONE)
page = self.pages.get(pageType, None)
if page is None:
self.showDescription(topItemIndex)
return
page.setup(self._settings.get(topItemIndex))
page.show()
else:
parentId = parent.data(0, Qt.UserRole)
layerId = currentItem.data(0, Qt.UserRole)
layer = QgsMapLayerRegistry.instance().mapLayer(unicode(layerId))
if layer is None:
return
layerType = layer.type()
if layerType == QgsMapLayer.RasterLayer:
page = self.pages[ppages.PAGE_DEM]
page.setup(self._settings.get(parentId, {}).get(layerId, None), layer, False)
elif layerType == QgsMapLayer.VectorLayer:
page = self.pages[ppages.PAGE_VECTOR]
page.setup(self._settings.get(parentId, {}).get(layerId, None), layer)
else:
return
page.show()
self.currentPage = page
def objectItemChanged(self, item, column):
parent = item.parent()
if parent is None:
return
# checkbox of optional layer checked/unchecked
if item == self.currentItem:
if self.currentPage:
# update enablement of property widgets
self.currentPage.itemChanged(item)
else:
# select changed item
self.ui.treeWidget.setCurrentItem(item)
# set visible property
#visible = item.data(0, Qt.CheckStateRole) == Qt.Checked
#parentId = parent.data(0, Qt.UserRole)
#layerId = item.data(0, Qt.UserRole)
#self._settings.get(parentId, {}).get(layerId, {})["visible"] = visible
def primaryDEMChanged(self, layerId):
tree = self.ui.treeWidget
parent = tree.topLevelItem(ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_OPTDEM))
tree.blockSignals(True)
for i in range(parent.childCount()):
item = parent.child(i)
isPrimary = item.data(0, Qt.UserRole) == layerId
item.setDisabled(isPrimary)
tree.blockSignals(False)
def showDescription(self, topItemIndex):
fragment = {ObjectTreeItem.ITEM_OPTDEM: "additional-dem",
ObjectTreeItem.ITEM_POINT: "point",
ObjectTreeItem.ITEM_LINE: "line",
ObjectTreeItem.ITEM_POLYGON: "polygon"}.get(topItemIndex)
url = "http://qgis2threejs.readthedocs.org/en/docs-release/ExportSettings.html"
if fragment:
url += "#" + fragment
html = '<a href="{0}">Online Help</a> about this item'.format(url)
self.ui.textBrowser.setHtml(html)
self.ui.textBrowser.show()
def numericFields(self, layer):
# get attributes of a sample feature and create numeric field name list
numeric_fields = []
f = QgsFeature()
layer.getFeatures().nextFeature(f)
for field in f.fields():
isNumeric = False
try:
float(f.attribute(field.name()))
isNumeric = True
except ValueError:
pass
if isNumeric:
numeric_fields.append(field.name())
return numeric_fields
def mapTo3d(self):
canvas = self.iface.mapCanvas()
mapSettings = canvas.mapSettings() if QGis.QGIS_VERSION_INT >= 20300 else canvas.mapRenderer()
world = self._settings.get(ObjectTreeItem.ITEM_WORLD, {})
bs = float(world.get("lineEdit_BaseSize", def_vals.baseSize))
ve = float(world.get("lineEdit_zFactor", def_vals.zExaggeration))
vs = float(world.get("lineEdit_zShift", def_vals.zShift))
return MapTo3D(mapSettings, bs, ve, vs)
def progress(self, percentage=None, statusMsg=None):
ui = self.ui
if percentage is not None:
ui.progressBar.setValue(percentage)
if percentage == 100:
ui.progressBar.setVisible(False)
ui.label_Status.setText("")
else:
ui.progressBar.setVisible(True)
if statusMsg is not None:
ui.label_Status.setText(statusMsg)
ui.label_Status.repaint()
QgsApplication.processEvents(QEventLoop.ExcludeUserInputEvents)
def run(self):
self.endPointSelection()
ui = self.ui
filename = ui.lineEdit_OutputFilename.text() # ""=Temporary file
if filename and os.path.exists(filename):
if QMessageBox.question(self, "Qgis2threejs", "Output file already exists. Overwrite it?", QMessageBox.Ok | QMessageBox.Cancel) != QMessageBox.Ok:
return
# export to web (three.js)
export_settings = ExportSettings(self.pluginManager, self.localBrowsingMode)
export_settings.loadSettings(self.settings())
export_settings.setMapCanvas(self.iface.mapCanvas())
err_msg = export_settings.checkValidity()
if err_msg is not None:
QMessageBox.warning(self, "Qgis2threejs", err_msg or "Invalid settings")
return
ui.pushButton_Run.setEnabled(False)
ui.toolButton_Settings.setVisible(False)
self.clearMessageBar()
self.progress(0)
if export_settings.exportMode == ExportSettings.PLAIN_MULTI_RES:
# update quads and point on map canvas
self.createRubberBands(export_settings.baseExtent, export_settings.quadtree())
# export
ret = exportToThreeJS(export_settings, self.iface.legendInterface(), self.objectTypeManager, self.progress)
self.progress(100)
ui.pushButton_Run.setEnabled(True)
if not ret:
ui.toolButton_Settings.setVisible(True)
return
self.clearRubberBands()
# store last selections
settings = QSettings()
settings.setValue("/Qgis2threejs/lastTemplate", export_settings.templatePath)
settings.setValue("/Qgis2threejs/lastControls", export_settings.controls)
# open web browser
if not tools.openHTMLFile(export_settings.htmlfilename):
ui.toolButton_Settings.setVisible(True)
return
# close dialog
QDialog.accept(self)
def reject(self):
# save properties of current object
item = self.ui.treeWidget.currentItem()
if item and self.currentPage:
self.saveProperties(item, self.currentPage)
self.endPointSelection()
self.clearRubberBands()
QDialog.reject(self)
def help(self):
url = "http://qgis2threejs.readthedocs.org/"
import webbrowser
webbrowser.open(url, new=2) # new=2: new tab if possible
def startPointSelection(self):
canvas = self.iface.mapCanvas()
if self.previousMapTool != self.mapTool:
self.previousMapTool = canvas.mapTool()
canvas.setMapTool(self.mapTool)
self.pages[ppages.PAGE_DEM].toolButton_PointTool.setVisible(False)
def endPointSelection(self):
self.mapTool.reset()
if self.previousMapTool is not None:
self.iface.mapCanvas().setMapTool(self.previousMapTool)
def mapToolSet(self, mapTool):
return
#TODO: unstable
if mapTool != self.mapTool and self.currentPage is not None:
if self.currentPage.pageType == ppages.PAGE_DEM and self.currentPage.isPrimary:
self.currentPage.toolButton_PointTool.setVisible(True)
def createRubberBands(self, baseExtent, quadtree):
self.clearRubberBands()
# create quads with rubber band
self.rb_quads = QgsRubberBand(self.iface.mapCanvas(), QGis.Line)
self.rb_quads.setColor(Qt.blue)
self.rb_quads.setWidth(1)
quads = quadtree.quads()
for quad in quads:
geom = baseExtent.subrectangle(quad.rect).geometry()
self.rb_quads.addGeometry(geom, None)
self.log("Quad count: %d" % len(quads))
if not quadtree.focusRect:
return
# create a point with rubber band
if quadtree.focusRect.width() == 0 or quadtree.focusRect.height() == 0:
npt = quadtree.focusRect.center()
self.rb_point = QgsRubberBand(self.iface.mapCanvas(), QGis.Point)
self.rb_point.setColor(Qt.red)
self.rb_point.addPoint(baseExtent.point(npt))
def clearRubberBands(self):
# clear quads and point
if self.rb_quads:
self.iface.mapCanvas().scene().removeItem(self.rb_quads)
self.rb_quads = None
if self.rb_point:
self.iface.mapCanvas().scene().removeItem(self.rb_point)
self.rb_point = None
def browseClicked(self):
directory = os.path.split(self.ui.lineEdit_OutputFilename.text())[0]
if not directory:
directory = QDir.homePath()
filename = QFileDialog.getSaveFileName(self, self.tr("Output filename"), directory, "HTML file (*.html *.htm)", options=QFileDialog.DontConfirmOverwrite)
if not filename:
return
# append .html extension if filename doesn't have either .html or .htm
if filename[-5:].lower() != ".html" and filename[-4:].lower() != ".htm":
filename += ".html"
self.ui.lineEdit_OutputFilename.setText(filename)
def log(self, msg):
if debug_mode:
qDebug(msg)
class QgepProfileMapTool( QgepMapTool ):
'''
The map tool used for PROFILE
Allows to find the shortest path between several nodes.
'''
profileChanged = pyqtSignal( object )
profile = QgepProfile()
segmentOffset = 0
selectedPathPoints = []
pathPolyline = []
def __init__( self, canvas, button, networkAnalyzer ):
QgepMapTool.__init__(self, canvas, button)
settings = QSettings()
helperLineColor = settings.value( "/QGEP/HelperLineColor", u'#FFD900' )
highlightColor = settings.value( "/QGEP/HighlightColor", u'#40FF40' )
self.networkAnalyzer = networkAnalyzer
# Init rubberband to visualize current status
self.rbHelperLine = QgsRubberBand( self.canvas )
self.rbHelperLine.setColor( QColor( helperLineColor ) )
self.rbHelperLine.setWidth( 2 )
self.rbHighlight = QgsRubberBand( self.canvas )
self.rbHighlight.setColor( QColor( highlightColor ) )
self.rbHighlight.setWidth( 5 )
self.profile.setRubberband( self.rbHighlight )
def setActive( self ):
'''
activates this map tool
'''
self.saveTool = self.canvas.mapTool()
self.canvas.setMapTool( self )
def deactivate(self):
'''
Called whenever this map tool is deactivated.
Used to clean up code
'''
QgepMapTool.deactivate(self)
self.rubberBand.reset()
self.rbHelperLine.reset()
self.selectedPathPoints = []
self.pathPolyline = []
def findPath( self, pStart, pEnd ):
'''
Tries to find the shortest path between pStart and pEnd.
If it finds a path:
* The path is visualized with a QgsRubberband
* The profile plot is updated to represent the current path
@param pStart: The id of the start point of the path
@param pEnd: The id of the end point of the path
'''
backupCursor = self.canvas.cursor()
self.canvas.setCursor(Qt.WaitCursor)
#try:
( vertices, edges ) = self.networkAnalyzer.shortestPath( pStart, pEnd )
self.appendProfile( vertices, edges )
# except:
# pass
self.canvas.setCursor(backupCursor)
if len( vertices ) > 0:
return True
else:
return False
def appendProfile( self, vertices, edges ):
'''
Appends to the current profile
@param vertices: A collection of vertices to append
@param edges: A collection of edges which connect the vertices
'''
self.logger.debug( 'Append profile' )
self.logger.info( ' * ' + `len( vertices )` + ' vertices' )
for v in vertices:
self.logger.debug( ' *' + `v`)
self.logger.info( ' * ' + `len( edges )` + ' edges')
for e in edges:
self.logger.debug( ' *' + `e`)
# Fetch all the needed edges in one batch
edgeLayer = self.networkAnalyzer.getReachLayer()
edgeAttrs = edgeLayer.dataProvider().attributeIndexes()
edgeIds = [edge['feature'] for p1, p2, edge in edges]
edgeFeatures = self.networkAnalyzer.getFeaturesById(edgeLayer, edgeAttrs, edgeIds, True)
# We need some additional nodes, where we need to interpolate...
interpolateNodesFrom = [edgeFeatures.attrAsUnicode( feat, u'from_obj_id_interpolate' ) for feat in edgeFeatures.asDict().values()]
interpolateNodesTo = [edgeFeatures.attrAsUnicode( feat, u'to_obj_id_interpolate' ) for feat in edgeFeatures.asDict().values()]
additionalIds = [self.networkAnalyzer.vertexIds[node] for node in interpolateNodesFrom]
additionalIds += [self.networkAnalyzer.vertexIds[node] for node in interpolateNodesTo]
# Now, fetch the nodes we need
nodeLayer = self.networkAnalyzer.getNodeLayer()
nodeIds = vertices + additionalIds
nodeAttrs = nodeLayer.dataProvider().attributeIndexes()
nodeFeatures = self.networkAnalyzer.getFeaturesById(nodeLayer, nodeAttrs, nodeIds, False)
if len( vertices ) > 1:
self.rubberBand.reset()
elem = QgepProfileNodeElement( vertices[0], nodeFeatures, 0 )
self.profile.addElement( vertices[0], elem )
for p1, p2, edge in edges:
fromOffset = self.segmentOffset
toOffset = self.segmentOffset + edge['weight']
if 'reach' == edge['objType']:
if self.profile.hasElement( edge['baseFeature'] ):
self.profile[edge['baseFeature']].addSegment( p1, p2, edge['feature'], nodeFeatures, edgeFeatures, fromOffset, toOffset )
else:
elem = QgepProfileReachElement( p1, p2, edge['feature'], nodeFeatures, edgeFeatures, fromOffset, toOffset )
self.profile.addElement(elem.objId, elem)
elif 'special_structure' == edge['objType']:
if self.profile.hasElement( edge['baseFeature'] ):
self.profile[edge['baseFeature']].addSegment( p1, p2, edge['feature'], nodeFeatures, edgeFeatures, fromOffset, toOffset )
else:
elem = QgepProfileSpecialStructureElement( p1, p2, edge['feature'], nodeFeatures, edgeFeatures, fromOffset, toOffset )
self.profile.addElement(elem.objId, elem)
elem = QgepProfileNodeElement( p2, nodeFeatures, toOffset )
self.profile.addElement(p2, elem)
self.segmentOffset = toOffset
self.profileChanged.emit( self.profile )
# Create rubberband geometry
for featId in edgeIds:
self.pathPolyline.extend( edgeFeatures[featId].geometry().asPolyline() )
self.rubberBand.addGeometry( QgsGeometry.fromPolyline( self.pathPolyline ), nodeLayer )
self.profileChanged.emit( self.profile )
return True
else:
return False
def mouseMoved( self, event ):
'''
Mouse moved: update helper line
@param event: The mouse event with coordinates and all
'''
if len( self.selectedPathPoints ) > 0:
self.rbHelperLine.reset()
for point in self.selectedPathPoints:
self.rbHelperLine.addPoint( point[1] )
mousePos = self.canvas.getCoordinateTransform().toMapCoordinates( event.pos().x(), event.pos().y() )
self.rbHelperLine.addPoint( mousePos )
def rightClicked( self, event ):
'''
Cancel any ongoing path selection
@param event: The mouse event with coordinates and all
'''
self.selectedPathPoints = []
self.pathPolyline = []
self.rbHelperLine.reset()
self.profile.reset()
self.segmentOffset = 0
def leftClicked( self, event ):
'''
Select startpoint / intermediate point / endpoint
@param event: The mouse event with coordinates and all
'''
snappedPoint = self.networkAnalyzer.snapPoint( event )
if snappedPoint is not None:
if len( self.selectedPathPoints ) > 0:
pf = self.findPath( self.selectedPathPoints[-1][0], snappedPoint.snappedAtGeometry )
if pf:
self.selectedPathPoints.append( ( snappedPoint.snappedAtGeometry, QgsPoint( snappedPoint.snappedVertex ) ) )
else:
msg = self.msgBar.createMessage( 'No path found' )
self.msgBar.pushWidget( msg, QgsMessageBar.WARNING )
else:
self.selectedPathPoints.append( ( snappedPoint.snappedAtGeometry, QgsPoint( snappedPoint.snappedVertex ) ) )
class SplitMapTool(QgsMapToolEdit):
def __init__(self, canvas, layer, actionMoveVertices, actionAddVertices,
actionRemoveVertices, actionMoveSegment, actionLineClose,
actionLineOpen, actionMoveLine):
super(SplitMapTool, self).__init__(canvas)
self.canvas = canvas
self.scene = canvas.scene()
self.layer = layer
self.actionMoveVertices = actionMoveVertices
self.actionAddVertices = actionAddVertices
self.actionRemoveVertices = actionRemoveVertices
self.actionMoveSegment = actionMoveSegment
self.actionLineClose = actionLineClose
self.actionLineOpen = actionLineOpen
self.actionMoveLine = actionMoveLine
self.initialize()
def initialize(self):
try:
self.canvas.renderStarting.disconnect(self.mapCanvasChanged)
except:
pass
self.canvas.renderStarting.connect(self.mapCanvasChanged)
try:
self.layer.editingStopped.disconnect(self.stopCapturing)
except:
pass
self.layer.editingStopped.connect(self.stopCapturing)
self.selectedFeatures = self.layer.selectedFeatures()
self.rubberBand = None
self.tempRubberBand = None
self.capturedPoints = []
self.capturing = False
self.setCursor(Qt.CrossCursor)
self.proj = QgsProject.instance()
self.labels = []
self.vertices = []
self.calculator = QgsDistanceArea()
self.calculator.setSourceCrs(self.layer.dataProvider().crs(),
QgsProject.instance().transformContext())
self.calculator.setEllipsoid(
self.layer.dataProvider().crs().ellipsoidAcronym())
self.drawingLine = False
self.movingVertices = False
self.addingVertices = False
self.removingVertices = False
self.movingSegment = False
self.movingLine = False
self.showingVertices = False
self.movingVertex = -1
self.movingSegm = -1
self.movingLineInitialPoint = None
self.lineClosed = False
def restoreAction(self):
self.addingVertices = False
self.removingVertices = False
self.movingVertices = False
self.movingSegment = False
self.movingLine = False
self.showingVertices = False
self.drawingLine = True
self.movingVertex = -1
self.movingLineInitialPoint = None
self.deleteVertices()
self.redrawRubberBand()
self.redrawTempRubberBand()
self.canvas.scene().addItem(self.tempRubberBand)
self.redrawActions()
def mapCanvasChanged(self):
self.redrawAreas()
if self.showingVertices:
self.redrawVertices()
def canvasMoveEvent(self, event):
if self.drawingLine and not self.lineClosed:
if self.tempRubberBand != None and self.capturing:
mapPoint = self.toMapCoordinates(event.pos())
self.tempRubberBand.movePoint(mapPoint)
self.redrawAreas(event.pos())
if self.movingVertices and self.movingVertex >= 0:
layerPoint = self.toLayerCoordinates(self.layer, event.pos())
self.capturedPoints[self.movingVertex] = layerPoint
if self.lineClosed and self.movingVertex == 0:
self.capturedPoints[len(self.capturedPoints) - 1] = layerPoint
self.redrawRubberBand()
self.redrawVertices()
self.redrawAreas()
if self.movingSegment and self.movingSegm >= 0:
currentPoint = self.toLayerCoordinates(self.layer, event.pos())
distance = self.distancePoint(currentPoint,
self.movingLineInitialPoint)
bearing = self.movingLineInitialPoint.azimuth(currentPoint)
self.capturedPoints[self.movingSegm] = self.projectPoint(
self.capturedPoints[self.movingSegm], distance, bearing)
self.capturedPoints[self.movingSegm + 1] = self.projectPoint(
self.capturedPoints[self.movingSegm + 1], distance, bearing)
if self.lineClosed:
if self.movingSegm == 0:
self.capturedPoints[
len(self.capturedPoints) - 1] = self.projectPoint(
self.capturedPoints[len(self.capturedPoints) - 1],
distance, bearing)
elif self.movingSegm == len(self.capturedPoints) - 2:
self.capturedPoints[0] = self.projectPoint(
self.capturedPoints[0], distance, bearing)
self.redrawRubberBand()
self.redrawVertices()
self.redrawAreas()
self.movingLineInitialPoint = currentPoint
if self.movingLine and self.movingLineInitialPoint != None:
currentPoint = self.toLayerCoordinates(self.layer, event.pos())
distance = self.distancePoint(currentPoint,
self.movingLineInitialPoint)
bearing = self.movingLineInitialPoint.azimuth(currentPoint)
for i in range(len(self.capturedPoints)):
self.capturedPoints[i] = self.projectPoint(
self.capturedPoints[i], distance, bearing)
self.redrawRubberBand()
self.redrawAreas()
self.movingLineInitialPoint = currentPoint
def projectPoint(self, point, distance, bearing):
rads = bearing * pi / 180.0
dx = distance * sin(rads)
dy = distance * cos(rads)
return QgsPointXY(point.x() + dx, point.y() + dy)
def redrawAreas(self, mousePos=None):
self.deleteLabels()
if self.capturing and len(self.capturedPoints) > 0:
for i in range(len(self.selectedFeatures)):
geometry = QgsGeometry(self.selectedFeatures[i].geometry())
movingPoints = list(self.capturedPoints)
if mousePos != None:
movingPoints.append(
self.toLayerCoordinates(self.layer, mousePos))
result, newGeometries, topoTestPoints = geometry.splitGeometry(
movingPoints, self.proj.topologicalEditing())
self.addLabel(geometry)
if newGeometries != None and len(newGeometries) > 0:
for i in range(len(newGeometries)):
self.addLabel(newGeometries[i])
def addLabel(self, geometry):
area = self.calculator.measureArea(geometry)
labelPoint = geometry.pointOnSurface().vertexAt(0)
label = QGraphicsTextItem("%.2f" % round(area, 2))
label.setHtml(
"<div style=\"color:#ffffff;background:#111111;padding:5px\">" +
"%.2f" % round(area, 2) + " " +
areaUnits[self.calculator.areaUnits()] + "</div>")
point = self.toMapCoordinatesV2(self.layer, labelPoint)
label.setPos(self.toCanvasCoordinates(QgsPointXY(point.x(),
point.y())))
self.scene.addItem(label)
self.labels.append(label)
def deleteLabels(self):
for i in range(len(self.labels)):
self.scene.removeItem(self.labels[i])
self.labels = []
def canvasPressEvent(self, event):
if self.movingVertices:
for i in range(len(self.capturedPoints)):
point = self.toMapCoordinates(self.layer,
self.capturedPoints[i])
currentVertex = self.toCanvasCoordinates(
QgsPointXY(point.x(), point.y()))
if self.distancePoint(event.pos(),
currentVertex) <= maxDistanceHitTest:
self.movingVertex = i
break
if self.movingSegment:
for i in range(len(self.capturedPoints) - 1):
vertex1 = self.toMapCoordinates(self.layer,
self.capturedPoints[i])
currentVertex1 = self.toCanvasCoordinates(
QgsPointXY(vertex1.x(), vertex1.y()))
vertex2 = self.toMapCoordinates(self.layer,
self.capturedPoints[i + 1])
currentVertex2 = self.toCanvasCoordinates(
QgsPointXY(vertex2.x(), vertex2.y()))
if self.distancePointLine(
event.pos().x(),
event.pos().y(), currentVertex1.x(),
currentVertex1.y(), currentVertex2.x(),
currentVertex2.y()) <= maxDistanceHitTest:
self.movingSegm = i
break
self.movingLineInitialPoint = self.toLayerCoordinates(
self.layer, event.pos())
def distancePoint(self, eventPos, vertexPos):
return sqrt((eventPos.x() - vertexPos.x())**2 +
(eventPos.y() - vertexPos.y())**2)
def canvasReleaseEvent(self, event):
if self.movingVertices or self.movingSegment or self.movingLine:
if event.button() == Qt.RightButton:
self.finishOperation()
elif self.addingVertices:
if event.button() == Qt.LeftButton:
self.addVertex(event.pos())
elif event.button() == Qt.RightButton:
self.finishOperation()
elif self.removingVertices:
if event.button() == Qt.LeftButton:
self.removeVertex(event.pos())
elif event.button() == Qt.RightButton:
self.finishOperation()
else:
if event.button() == Qt.LeftButton:
if not self.lineClosed:
if not self.capturing:
self.startCapturing()
self.addEndingVertex(event.pos())
elif event.button() == Qt.RightButton:
self.finishOperation()
self.movingVertex = -1
self.movingSegm = -1
self.movingLineInitialPoint = None
self.redrawActions()
def keyReleaseEvent(self, event):
if event.key() == Qt.Key_Escape:
self.stopCapturing()
if event.key() == Qt.Key_Backspace or event.key() == Qt.Key_Delete:
self.removeLastVertex()
if event.key() == Qt.Key_Return or event.key() == Qt.Key_Enter:
self.finishOperation()
event.accept()
self.redrawActions()
def finishOperation(self):
self.doSplit()
self.stopCapturing()
self.initialize()
self.startCapturing()
def doSplit(self):
if self.capturedPoints != None:
self.layer.splitFeatures(self.capturedPoints,
self.proj.topologicalEditing())
def startCapturing(self):
self.prepareRubberBand()
self.prepareTempRubberBand()
self.drawingLine = True
self.capturing = True
self.redrawActions()
def prepareRubberBand(self):
color = QColor("red")
color.setAlphaF(0.78)
self.rubberBand = QgsRubberBand(self.canvas, QgsWkbTypes.LineGeometry)
self.rubberBand.setWidth(1)
self.rubberBand.setColor(color)
self.rubberBand.show()
def prepareTempRubberBand(self):
color = QColor("red")
color.setAlphaF(0.78)
self.tempRubberBand = QgsRubberBand(self.canvas,
QgsWkbTypes.LineGeometry)
self.tempRubberBand.setWidth(1)
self.tempRubberBand.setColor(color)
self.tempRubberBand.setLineStyle(Qt.DotLine)
self.tempRubberBand.show()
def redrawRubberBand(self):
self.canvas.scene().removeItem(self.rubberBand)
self.prepareRubberBand()
for i in range(len(self.capturedPoints)):
point = self.capturedPoints[i]
if point.__class__ == QgsPoint:
vertexCoord = self.toMapCoordinatesV2(self.layer,
self.capturedPoints[i])
vertexCoord = QgsPointXY(vertexCoord.x(), vertexCoord.y())
else:
vertexCoord = self.toMapCoordinates(self.layer,
self.capturedPoints[i])
self.rubberBand.addPoint(vertexCoord)
def redrawTempRubberBand(self):
if self.tempRubberBand != None:
self.tempRubberBand.reset(QgsWkbTypes.LineGeometry)
self.tempRubberBand.addPoint(
self.toMapCoordinates(
self.layer,
self.capturedPoints[len(self.capturedPoints) - 1]))
def stopCapturing(self):
self.deleteLabels()
self.deleteVertices()
if self.rubberBand:
self.canvas.scene().removeItem(self.rubberBand)
self.rubberBand = None
if self.tempRubberBand:
self.canvas.scene().removeItem(self.tempRubberBand)
self.tempRubberBand = None
self.drawingLine = False
self.movingVertices = False
self.showingVertices = False
self.capturing = False
self.capturedPoints = []
self.canvas.refresh()
self.redrawActions()
def addEndingVertex(self, canvasPoint):
mapPoint = self.toMapCoordinates(canvasPoint)
layerPoint = self.toLayerCoordinates(self.layer, canvasPoint)
self.rubberBand.addPoint(mapPoint)
self.capturedPoints.append(layerPoint)
self.tempRubberBand.reset(QgsWkbTypes.LineGeometry)
self.tempRubberBand.addPoint(mapPoint)
def removeLastVertex(self):
if not self.capturing: return
rubberBandSize = self.rubberBand.numberOfVertices()
tempRubberBandSize = self.tempRubberBand.numberOfVertices()
numPoints = len(self.capturedPoints)
if rubberBandSize < 1 or numPoints < 1:
return
self.rubberBand.removePoint(-1)
if rubberBandSize > 1:
if tempRubberBandSize > 1:
point = self.rubberBand.getPoint(0, rubberBandSize - 2)
self.tempRubberBand.movePoint(tempRubberBandSize - 2, point)
else:
self.tempRubberBand.reset(self.bandType())
del self.capturedPoints[-1]
def addVertex(self, pos):
newCapturedPoints = []
for i in range(len(self.capturedPoints) - 1):
newCapturedPoints.append(self.capturedPoints[i])
vertex1 = self.toMapCoordinates(self.layer, self.capturedPoints[i])
currentVertex1 = self.toCanvasCoordinates(
QgsPointXY(vertex1.x(), vertex1.y()))
vertex2 = self.toMapCoordinates(self.layer,
self.capturedPoints[i + 1])
currentVertex2 = self.toCanvasCoordinates(
QgsPointXY(vertex2.x(), vertex2.y()))
distance = self.distancePointLine(pos.x(), pos.y(),
currentVertex1.x(),
currentVertex1.y(),
currentVertex2.x(),
currentVertex2.y())
if distance <= maxDistanceHitTest:
layerPoint = self.toLayerCoordinates(self.layer, pos)
newCapturedPoints.append(layerPoint)
newCapturedPoints.append(self.capturedPoints[len(self.capturedPoints) -
1])
self.capturedPoints = newCapturedPoints
self.redrawRubberBand()
self.redrawVertices()
self.redrawAreas()
self.redrawActions()
def removeVertex(self, pos):
deletedFirst = False
deletedLast = False
newCapturedPoints = []
for i in range(len(self.capturedPoints)):
vertex = self.toMapCoordinates(self.layer, self.capturedPoints[i])
currentVertex = self.toCanvasCoordinates(
QgsPointXY(vertex.x(), vertex.y()))
if not self.distancePoint(pos,
currentVertex) <= maxDistanceHitTest:
newCapturedPoints.append(self.capturedPoints[i])
elif i == 0:
deletedFirst = True
elif i == len(self.capturedPoints) - 1:
deletedLast = True
self.capturedPoints = newCapturedPoints
if deletedFirst and deletedLast:
self.lineClosed = False
self.redrawRubberBand()
self.redrawVertices()
self.redrawAreas()
self.redrawActions()
if len(self.capturedPoints) <= 2:
self.stopRemovingVertices()
def startMovingVertices(self):
self.stopMovingLine()
self.stopAddingVertices()
self.stopRemovingVertices()
self.stopMovingSegment()
self.actionMoveVertices.setChecked(True)
self.movingVertices = True
self.showingVertices = True
self.drawingLine = False
self.canvas.scene().removeItem(self.tempRubberBand)
self.redrawVertices()
self.redrawAreas()
self.redrawActions()
def stopMovingVertices(self):
self.movingVertices = False
self.actionMoveVertices.setChecked(False)
self.restoreAction()
def startAddingVertices(self):
self.stopMovingVertices()
self.stopRemovingVertices()
self.stopMovingLine()
self.stopMovingSegment()
self.actionAddVertices.setChecked(True)
self.addingVertices = True
self.showingVertices = True
self.drawingLine = False
self.canvas.scene().removeItem(self.tempRubberBand)
self.redrawVertices()
self.redrawAreas()
self.redrawActions()
def stopAddingVertices(self):
self.addVertices = False
self.actionAddVertices.setChecked(False)
self.restoreAction()
def startRemovingVertices(self):
self.stopMovingVertices()
self.stopAddingVertices()
self.stopMovingLine()
self.stopMovingSegment()
self.actionRemoveVertices.setChecked(True)
self.removingVertices = True
self.showingVertices = True
self.drawingLine = False
self.canvas.scene().removeItem(self.tempRubberBand)
self.redrawVertices()
self.redrawAreas()
self.redrawActions()
def stopRemovingVertices(self):
self.removingVertices = False
self.actionRemoveVertices.setChecked(False)
self.restoreAction()
def startMovingSegment(self):
self.stopMovingVertices()
self.stopMovingLine()
self.stopAddingVertices()
self.stopRemovingVertices()
self.actionMoveSegment.setChecked(True)
self.movingSegment = True
self.showingVertices = False
self.drawingLine = False
self.canvas.scene().removeItem(self.tempRubberBand)
self.redrawVertices()
self.redrawAreas()
self.redrawActions()
def stopMovingSegment(self):
self.movingSegment = False
self.actionMoveSegment.setChecked(False)
self.restoreAction()
def startMovingLine(self):
self.stopMovingVertices()
self.stopAddingVertices()
self.stopRemovingVertices()
self.stopMovingSegment()
self.actionMoveLine.setChecked(True)
self.movingLine = True
self.showingVertices = False
self.drawingLine = False
self.canvas.scene().removeItem(self.tempRubberBand)
self.redrawAreas()
self.redrawActions()
def stopMovingLine(self):
self.actionMoveLine.setChecked(False)
self.restoreAction()
def lineClose(self):
self.lineClosed = True
self.capturedPoints.append(self.capturedPoints[0])
self.redrawRubberBand()
self.redrawTempRubberBand()
self.redrawAreas()
self.redrawActions()
def lineOpen(self):
self.lineClosed = False
del self.capturedPoints[-1]
self.redrawRubberBand()
self.redrawTempRubberBand()
self.redrawAreas()
self.redrawActions()
def showVertices(self):
for i in range(len(self.capturedPoints)):
vertexc = self.toMapCoordinates(self.layer, self.capturedPoints[i])
vertexCoords = self.toCanvasCoordinates(
QgsPointXY(vertexc.x(), vertexc.y()))
if i == self.movingVertex:
vertex = self.scene.addRect(vertexCoords.x() - 5,
vertexCoords.y() - 5, 10, 10,
QPen(QColor("green")),
QBrush(QColor("green")))
self.vertices.append(vertex)
elif i == len(self.capturedPoints
) - 1 and self.movingVertex == 0 and self.lineClosed:
vertex = self.scene.addRect(vertexCoords.x() - 5,
vertexCoords.y() - 5, 10, 10,
QPen(QColor("green")),
QBrush(QColor("green")))
self.vertices.append(vertex)
else:
vertex = self.scene.addRect(vertexCoords.x() - 4,
vertexCoords.y() - 4, 8, 8,
QPen(QColor("red")),
QBrush(QColor("red")))
self.vertices.append(vertex)
def deleteVertices(self):
for i in range(len(self.vertices)):
self.scene.removeItem(self.vertices[i])
self.vertices = []
def lineMagnitude(self, x1, y1, x2, y2):
return sqrt(pow((x2 - x1), 2) + pow((y2 - y1), 2))
def distancePointLine(self, px, py, x1, y1, x2, y2):
magnitude = self.lineMagnitude(x1, y1, x2, y2)
if magnitude < 0.00000001:
distance = 9999
return distance
u1 = (((px - x1) * (x2 - x1)) + ((py - y1) * (y2 - y1)))
u = u1 / (magnitude * magnitude)
if (u < 0.00001) or (u > 1):
ix = self.lineMagnitude(px, py, x1, y1)
iy = self.lineMagnitude(px, py, x2, y2)
if ix > iy:
distance = iy
else:
distance = ix
else:
ix = x1 + u * (x2 - x1)
iy = y1 + u * (y2 - y1)
distance = self.lineMagnitude(px, py, ix, iy)
return distance
def redrawVertices(self):
self.deleteVertices()
self.showVertices()
def redrawActions(self):
self.redrawActionMoveVertices()
self.redrawActionAddVertices()
self.redrawActionRemoveVertices()
self.redrawActionMoveSegment()
self.redrawActionLineClose()
self.redrawActionLineOpen()
self.redrawActionMoveLine()
def redrawActionMoveVertices(self):
self.actionMoveVertices.setEnabled(False)
if len(self.capturedPoints) > 0:
self.actionMoveVertices.setEnabled(True)
def redrawActionAddVertices(self):
self.actionAddVertices.setEnabled(False)
if len(self.capturedPoints) >= 2:
self.actionAddVertices.setEnabled(True)
def redrawActionRemoveVertices(self):
self.actionRemoveVertices.setEnabled(False)
if len(self.capturedPoints) > 2:
self.actionRemoveVertices.setEnabled(True)
def redrawActionMoveSegment(self):
self.actionMoveSegment.setEnabled(False)
if len(self.capturedPoints) > 2:
self.actionMoveSegment.setEnabled(True)
def redrawActionLineClose(self):
self.actionLineClose.setEnabled(False)
if not self.lineClosed and len(self.capturedPoints) >= 3:
self.actionLineClose.setEnabled(True)
def redrawActionLineOpen(self):
self.actionLineOpen.setEnabled(False)
if self.lineClosed:
self.actionLineOpen.setEnabled(True)
def redrawActionMoveLine(self):
self.actionMoveLine.setEnabled(False)
if len(self.capturedPoints) > 0:
self.actionMoveLine.setEnabled(True)
class GeodesicMeasureDialog(QDialog, FORM_CLASS):
def __init__(self, iface, parent):
super(GeodesicMeasureDialog, self).__init__(parent)
self.setupUi(self)
self.iface = iface
self.canvas = iface.mapCanvas()
self.pointDigitizerDialog = AddMeasurePointWidget(self, iface, parent)
qset = QSettings()
self.manualEntryButton.setIcon(
QIcon(os.path.dirname(__file__) + "/images/manualpoint.png"))
self.manualEntryButton.clicked.connect(self.showManualEntryDialog)
self.restoreGeometry(
qset.value("ShapeTools/MeasureDialogGeometry",
QByteArray(),
type=QByteArray))
self.closeButton.clicked.connect(self.closeDialog)
self.newButton.clicked.connect(self.newDialog)
self.saveToLayerButton.clicked.connect(self.saveToLayer)
self.saveToLayerButton.setEnabled(False)
self.unitsComboBox.addItems(DISTANCE_LABELS)
self.tableWidget.setColumnCount(3)
self.tableWidget.setSortingEnabled(False)
self.tableWidget.setHorizontalHeaderLabels(
[tr('Heading To'),
tr('Heading From'),
tr('Distance')])
self.unitsComboBox.activated.connect(self.unitsChanged)
self.capturedPoints = []
self.distances = []
self.activeMeasuring = True
self.lastMotionPt = None
self.unitsChanged()
self.currentDistance = 0.0
self.pointRb = QgsRubberBand(self.canvas, QgsWkbTypes.PointGeometry)
self.pointRb.setColor(settings.rubberBandColor)
self.pointRb.setIconSize(10)
self.lineRb = QgsRubberBand(self.canvas, QgsWkbTypes.LineGeometry)
self.lineRb.setColor(settings.rubberBandColor)
self.lineRb.setWidth(3)
self.tempRb = QgsRubberBand(self.canvas, QgsWkbTypes.LineGeometry)
self.tempRb.setColor(settings.rubberBandColor)
self.tempRb.setWidth(3)
def showManualEntryDialog(self):
self.pointDigitizerDialog.show()
def ready(self):
return self.activeMeasuring
def stop(self):
self.activeMeasuring = False
self.lastMotionPt = None
def closeEvent(self, event):
self.closeDialog()
def closeDialog(self):
self.clear()
QSettings().setValue("ShapeTools/MeasureDialogGeometry",
self.saveGeometry())
self.close()
self.pointDigitizerDialog.closeDialog()
def newDialog(self):
self.clear()
self.initGeodLabel()
def initGeodLabel(self):
label = tr('Ellipsoid: ') + settings.ellipseDescription
self.geodLabel.setText(label)
def keyPressed(self, key):
index = len(self.capturedPoints)
if index <= 0:
return
if key == Qt.Key_Escape:
self.endRubberband()
if self.motionReady():
if self.lastMotionPt is None:
return
(distance, startAngle,
endAngle) = self.calcParameters(self.capturedPoints[index - 1],
self.lastMotionPt)
else:
if index < 2:
return
(distance, startAngle,
endAngle) = self.calcParameters(self.capturedPoints[index - 2],
self.capturedPoints[index - 1])
distance = self.unitDistance(distance)
clipboard = QApplication.clipboard()
if key == Qt.Key_1 or key == Qt.Key_F:
s = '{:.{prec}f}'.format(startAngle,
prec=settings.measureSignificantDigits)
clipboard.setText(s)
self.iface.messageBar().pushMessage(
"",
"Heading to {} copied to the clipboard".format(s),
level=Qgis.Info,
duration=3)
elif key == Qt.Key_2 or key == Qt.Key_T:
s = '{:.{prec}f}'.format(endAngle,
prec=settings.measureSignificantDigits)
clipboard.setText(s)
self.iface.messageBar().pushMessage(
"",
"Heading from {} copied to the clipboard".format(s),
level=Qgis.Info,
duration=3)
elif key == Qt.Key_3 or key == Qt.Key_D:
s = '{:.{prec}f}'.format(distance,
prec=settings.measureSignificantDigits)
clipboard.setText(s)
self.iface.messageBar().pushMessage(
"",
"Distance {} copied to the clipboard".format(s),
level=Qgis.Info,
duration=3)
elif key == Qt.Key_4 or key == Qt.Key_A:
total = 0.0
num = len(self.capturedPoints)
for i in range(1, num):
(d, startA,
endA) = self.calcParameters(self.capturedPoints[i - 1],
self.capturedPoints[i])
total += d
total = self.unitDistance(total)
# Add in the motion distance
if self.motionReady():
total += distance
s = '{:.{prec}f}'.format(total,
prec=settings.measureSignificantDigits)
clipboard.setText(s)
self.iface.messageBar().pushMessage(
"",
"Total distance {} copied to the clipboard".format(s),
level=Qgis.Info,
duration=3)
else:
return
def unitsChanged(self):
label = "Distance [{}]".format(
DISTANCE_LABELS[self.unitsComboBox.currentIndex()])
item = QTableWidgetItem(label)
self.tableWidget.setHorizontalHeaderItem(2, item)
ptcnt = len(self.capturedPoints)
if ptcnt >= 2:
i = 0
while i < ptcnt - 1:
item = QTableWidgetItem('{:.4f}'.format(
self.unitDistance(self.distances[i])))
self.tableWidget.setItem(i, 2, item)
i += 1
self.formatTotal()
def motionReady(self):
if len(self.capturedPoints) > 0 and self.activeMeasuring:
return True
return False
def addPoint(self, pt, button):
self.currentDistance = 0
index = len(self.capturedPoints)
if index > 0 and pt == self.capturedPoints[index - 1]:
# the clicked point is the same as the previous so just ignore it
return
self.capturedPoints.append(pt)
# Add rubber band points
canvasCrs = self.canvas.mapSettings().destinationCrs()
transform = QgsCoordinateTransform(epsg4326, canvasCrs,
QgsProject.instance())
ptCanvas = transform.transform(pt.x(), pt.y())
self.pointRb.addPoint(ptCanvas, True)
# If there is more than 1 captured point add it to the table
if index > 0:
self.saveToLayerButton.setEnabled(True)
(distance, startAngle,
endAngle) = self.calcParameters(self.capturedPoints[index - 1],
self.capturedPoints[index])
self.distances.append(distance)
self.insertParams(index, distance, startAngle, endAngle)
# Add Rubber Band Line
linePts = self.getLinePts(distance, self.capturedPoints[index - 1],
self.capturedPoints[index])
self.lineRb.addGeometry(QgsGeometry.fromPolylineXY(linePts), None)
self.formatTotal()
def endRubberband(self):
index = len(self.capturedPoints)
if index <= 0:
return
if index == 1:
self.newDialog()
return
if self.motionReady():
if self.lastMotionPt is not None:
self.lastMotionPt = None
self.tempRb.reset(QgsWkbTypes.LineGeometry)
self.tableWidget.setRowCount(self.tableWidget.rowCount() - 1)
self.stop()
self.currentDistance = 0
self.formatTotal()
def inMotion(self, pt):
index = len(self.capturedPoints)
if index <= 0:
return
(self.currentDistance, startAngle,
endAngle) = self.calcParameters(self.capturedPoints[index - 1], pt)
self.insertParams(index, self.currentDistance, startAngle, endAngle)
self.formatTotal()
linePts = self.getLinePts(self.currentDistance,
self.capturedPoints[index - 1], pt)
self.lastMotionPt = pt
self.tempRb.setToGeometry(QgsGeometry.fromPolylineXY(linePts), None)
def calcParameters(self, pt1, pt2):
gline = geod.Inverse(pt1.y(), pt1.x(), pt2.y(), pt2.x())
az2 = (gline['azi2'] + 180) % 360.0
if az2 > 180:
az2 = az2 - 360.0
az1 = gline['azi1']
# Check to see if the azimuth values should be in the range or 0 to 360
# The default is -180 to 180
if settings.mtAzMode:
if az1 < 0:
az1 += 360.0
if az2 < 0:
az2 += 360
return (gline['s12'], az1, az2)
def getLinePts(self, distance, pt1, pt2):
canvasCrs = self.canvas.mapSettings().destinationCrs()
transform = QgsCoordinateTransform(epsg4326, canvasCrs,
QgsProject.instance())
pt1c = transform.transform(pt1.x(), pt1.y())
pt2c = transform.transform(pt2.x(), pt2.y())
if distance < 10000:
return [pt1c, pt2c]
gline = geod.InverseLine(pt1.y(), pt1.x(), pt2.y(), pt2.x())
n = int(math.ceil(distance / 10000.0))
if n > 20:
n = 20
seglen = distance / n
pts = [pt1c]
for i in range(1, n):
s = seglen * i
g = gline.Position(
s,
Geodesic.LATITUDE | Geodesic.LONGITUDE | Geodesic.LONG_UNROLL)
ptc = transform.transform(g['lon2'], g['lat2'])
pts.append(ptc)
pts.append(pt2c)
return pts
def saveToLayer(self):
units = self.unitDesignator()
canvasCrs = self.canvas.mapSettings().destinationCrs()
fields = QgsFields()
fields.append(QgsField("label", QVariant.String))
fields.append(QgsField("value", QVariant.Double))
fields.append(QgsField("units", QVariant.String))
fields.append(QgsField("heading_to", QVariant.Double))
fields.append(QgsField("heading_from", QVariant.Double))
fields.append(QgsField("total_dist", QVariant.Double))
layer = QgsVectorLayer("LineString?crs={}".format(canvasCrs.authid()),
"Measurements", "memory")
dp = layer.dataProvider()
dp.addAttributes(fields)
layer.updateFields()
num = len(self.capturedPoints)
total = 0.0
for i in range(1, num):
(distance, startA,
endA) = self.calcParameters(self.capturedPoints[i - 1],
self.capturedPoints[i])
total += distance
total = self.unitDistance(total)
for i in range(1, num):
(distance, startA,
endA) = self.calcParameters(self.capturedPoints[i - 1],
self.capturedPoints[i])
pts = self.getLinePts(distance, self.capturedPoints[i - 1],
self.capturedPoints[i])
distance = self.unitDistance(distance)
feat = QgsFeature(layer.fields())
feat.setAttribute(
0, "{:.{prec}f} {}".format(
distance,
units,
prec=settings.saveToLayerSignificantDigits))
feat.setAttribute(1, distance)
feat.setAttribute(2, units)
feat.setAttribute(3, startA)
feat.setAttribute(4, endA)
feat.setAttribute(5, total)
feat.setGeometry(QgsGeometry.fromPolylineXY(pts))
dp.addFeatures([feat])
label = QgsPalLayerSettings()
label.fieldName = 'label'
try:
label.placement = QgsPalLayerSettings.Line
except Exception:
label.placement = QgsPalLayerSettings.AboveLine
format = label.format()
format.setColor(settings.measureTextColor)
format.setNamedStyle('Bold')
label.setFormat(format)
labeling = QgsVectorLayerSimpleLabeling(label)
layer.setLabeling(labeling)
layer.setLabelsEnabled(True)
renderer = layer.renderer()
renderer.symbol().setColor(settings.measureLineColor)
renderer.symbol().setWidth(0.5)
layer.updateExtents()
QgsProject.instance().addMapLayer(layer)
def insertParams(self, position, distance, startAngle, endAngle):
if position > self.tableWidget.rowCount():
self.tableWidget.insertRow(position - 1)
item = QTableWidgetItem('{:.4f}'.format(self.unitDistance(distance)))
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
self.tableWidget.setItem(position - 1, 2, item)
item = QTableWidgetItem('{:.4f}'.format(startAngle))
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
self.tableWidget.setItem(position - 1, 0, item)
item = QTableWidgetItem('{:.4f}'.format(endAngle))
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
self.tableWidget.setItem(position - 1, 1, item)
def formatTotal(self):
total = self.currentDistance
ptcnt = len(self.capturedPoints)
if ptcnt >= 2:
i = 0
while i < ptcnt - 1:
total += self.distances[i]
i += 1
self.distanceLineEdit.setText('{:.2f}'.format(
self.unitDistance(total)))
def updateRBColor(self):
self.pointRb.setColor(settings.rubberBandColor)
self.lineRb.setColor(settings.rubberBandColor)
self.tempRb.setColor(settings.rubberBandColor)
def clear(self):
self.tableWidget.setRowCount(0)
self.capturedPoints = []
self.distances = []
self.activeMeasuring = True
self.currentDistance = 0.0
self.distanceLineEdit.setText('')
self.pointRb.reset(QgsWkbTypes.PointGeometry)
self.lineRb.reset(QgsWkbTypes.LineGeometry)
self.tempRb.reset(QgsWkbTypes.LineGeometry)
self.saveToLayerButton.setEnabled(False)
self.updateRBColor()
def unitDistance(self, distance):
units = self.unitsComboBox.currentIndex()
if units == 0: # kilometers
return distance / 1000.0
elif units == 1: # meters
return distance
elif units == 2: # centimeters
return distance * QgsUnitTypes.fromUnitToUnitFactor(
QgsUnitTypes.DistanceMeters, QgsUnitTypes.DistanceCentimeters)
elif units == 3: # miles
return distance * QgsUnitTypes.fromUnitToUnitFactor(
QgsUnitTypes.DistanceMeters, QgsUnitTypes.DistanceMiles)
elif units == 4: # yards
return distance * QgsUnitTypes.fromUnitToUnitFactor(
QgsUnitTypes.DistanceMeters, QgsUnitTypes.DistanceYards)
elif units == 5: # feet
return distance * QgsUnitTypes.fromUnitToUnitFactor(
QgsUnitTypes.DistanceMeters, QgsUnitTypes.DistanceFeet)
elif units == 6: # inches
return distance * QgsUnitTypes.fromUnitToUnitFactor(
QgsUnitTypes.DistanceMeters, QgsUnitTypes.DistanceFeet) * 12
elif units == 7: # nautical miles
return distance * QgsUnitTypes.fromUnitToUnitFactor(
QgsUnitTypes.DistanceMeters,
QgsUnitTypes.DistanceNauticalMiles)
def unitDesignator(self):
units = self.unitsComboBox.currentIndex()
return unitsAbbr[units]
class SimpleIntersectionMapTool(QgsMapTool):
def __init__(self, iface):
self.iface = iface
self.mapCanvas = iface.mapCanvas()
QgsMapTool.__init__(self, self.mapCanvas)
self.settings = MySettings()
self.rubber = QgsRubberBand(self.mapCanvas, QGis.Point)
def deactivate(self):
self.rubber.reset()
QgsMapTool.deactivate(self)
def activate(self):
QgsMapTool.activate(self)
self.rubber.setWidth(self.settings.value("rubberWidth"))
self.rubber.setColor(self.settings.value("rubberColor"))
self.checkLayer()
def canvasMoveEvent(self, mouseEvent):
# put the observations within tolerance in the rubber band
self.rubber.reset(QGis.Point)
match = self.snap_to_intersection(mouseEvent.pos())
if match.type() == QgsPointLocator.Vertex and match.layer() is None:
self.rubber.addPoint(match.point())
def canvasPressEvent(self, mouseEvent):
self.rubber.reset()
match = self.snap_to_intersection(mouseEvent.pos())
if match.type() != QgsPointLocator.Vertex or match.layer() is not None:
return
layer = self.checkLayer()
if layer is None:
return
f = QgsFeature()
initFields = layer.dataProvider().fields()
f.setFields(initFields)
f.initAttributes(initFields.size())
f.setGeometry(QgsGeometry().fromPoint(match.point()))
layer.editBuffer().addFeature(f)
layer.triggerRepaint()
def snap_to_intersection(self, pos):
""" Temporarily override snapping config and snap to vertices and edges
of any editable vector layer, to allow selection of node for editing
(if snapped to edge, it would offer creation of a new vertex there).
"""
map_point = self.toMapCoordinates(pos)
tol = QgsTolerance.vertexSearchRadius(self.canvas().mapSettings())
snap_type = QgsPointLocator.Type(QgsPointLocator.Edge)
snap_layers = []
for layer in self.canvas().layers():
if not isinstance(layer, QgsVectorLayer):
continue
snap_layers.append(QgsSnappingUtils.LayerConfig(
layer, snap_type, tol, QgsTolerance.ProjectUnits))
snap_util = self.canvas().snappingUtils()
old_layers = snap_util.layers()
old_mode = snap_util.snapToMapMode()
old_inter = snap_util.snapOnIntersections()
snap_util.setLayers(snap_layers)
snap_util.setSnapToMapMode(QgsSnappingUtils.SnapAdvanced)
snap_util.setSnapOnIntersections(True)
m = snap_util.snapToMap(map_point)
snap_util.setLayers(old_layers)
snap_util.setSnapToMapMode(old_mode)
snap_util.setSnapOnIntersections(old_inter)
return m
def checkLayer(self):
# check output layer is defined
layerid = self.settings.value("simpleIntersectionLayer")
layer = QgsMapLayerRegistry.instance().mapLayer(layerid)
if not self.settings.value("simpleIntersectionWritePoint") or layer is None:
self.iface.messageBar().pushMessage("Intersect It",
"You must define an output layer for simple intersections",
QgsMessageBar.WARNING, 3)
self.mapCanvas.unsetMapTool(self)
return None
if not layer.isEditable():
self.iface.messageBar().pushMessage("Intersect It",
"The output layer <b>%s must be editable</b>" % layer.name(),
QgsMessageBar.WARNING, 3)
self.mapCanvas.unsetMapTool(self)
return None
return layer
class DrawRect(QgsMapTool):
'''Classe de sélection avec un Rectangle'''
selectionDone = pyqtSignal()
move = pyqtSignal()
def __init__(self, iface, couleur):
self.canvas = iface.mapCanvas()
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.iface = iface
self.rb = QgsRubberBand(self.canvas, QgsWkbTypes.PolygonGeometry)
self.rb.setColor(couleur)
self.reset()
return None
def reset(self):
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
self.rb.reset(True) # true, its a polygon
def canvasPressEvent(self, e):
if not e.button() == Qt.LeftButton:
return
self.startPoint = self.toMapCoordinates(e.pos())
self.endPoint = self.startPoint
self.isEmittingPoint = True
def canvasReleaseEvent(self, e):
self.isEmittingPoint = False
if not e.button() == Qt.LeftButton:
return None
if self.rb.numberOfVertices() > 3:
self.selectionDone.emit()
else:
width, height, ok = RectangleDialog().getSize()
if width > 0 and height > 0 and ok:
self.rb.addPoint(
QgsPointXY(self.startPoint.x() + width,
self.startPoint.y() - height))
self.showRect(
self.startPoint,
QgsPointXY(self.startPoint.x() + width,
self.startPoint.y() - height))
self.selectionDone.emit()
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.move.emit()
self.endPoint = self.toMapCoordinates(e.pos())
self.showRect(self.startPoint, self.endPoint)
def showRect(self, startPoint, endPoint):
self.rb.reset(QgsWkbTypes.PolygonGeometry) # true, it's a polygon
if startPoint.x() == endPoint.x() or startPoint.y() == endPoint.y():
return
point1 = QgsPointXY(startPoint.x(), startPoint.y())
point2 = QgsPointXY(startPoint.x(), endPoint.y())
point3 = QgsPointXY(endPoint.x(), endPoint.y())
point4 = QgsPointXY(endPoint.x(), startPoint.y())
self.rb.addPoint(point1, False)
self.rb.addPoint(point2, False)
self.rb.addPoint(point3, False)
self.rb.addPoint(point4, True) # true to update canvas
self.rb.show()
def deactivate(self):
self.rb.reset(True)
QgsMapTool.deactivate(self)
class PipelinePlanner:
"""QGIS Plugin Implementation."""
def __init__(self, iface):
"""Constructor.
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
"""
# Save reference to the QGIS interface
self.iface = iface
#create reference to map.Canvas
self.canvas = self.iface.mapCanvas()
# initialize plugins directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
#Initialize QgsMapToolEmitPoint class, and pass map canvas where we will emit the point
self.addPipelinePoint = QgsMapToolEmitPoint(self.canvas)
#create instance of rubberband class
self.rbPipeline = QgsRubberBand(self.canvas)
self.rbPipeline.setColor(Qt.red)
self.rbPipeline.setWidth(4)
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(self.plugin_dir, 'i18n',
'PipelinePlanner_{}.qm'.format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
QCoreApplication.installTranslator(self.translator)
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&Pipeline Planner')
#create instance of results dialog
self.dlg = PipelinePlannerDialog()
# Check if plugin was started the first time in current QGIS session
# Must be set in initGui() to survive plugin reloads
self.first_start = None
self.dlg = PipelinePlannerDialog()
self.dlg.tblImpacts.setColumnWidth(1, 50)
self.dlg.tblImpacts.setColumnWidth(2, 225)
self.dlg.tblImpacts.setColumnWidth(3, 75)
# noinspection PyMethodMayBeStatic
def tr(self, message):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate('PipelinePlanner', message)
def add_action(self,
icon_path,
text,
callback,
enabled_flag=True,
add_to_menu=True,
add_to_toolbar=True,
status_tip=None,
whats_this=None,
parent=None):
"""Add a toolbar icon to the toolbar.
:param icon_path: Path to the icon for this action. Can be a resource
path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
:type icon_path: str
:param text: Text that should be shown in menu items for this action.
:type text: str
:param callback: Function to be called when the action is triggered.
:type callback: function
:param enabled_flag: A flag indicating if the action should be enabled
by default. Defaults to True.
:type enabled_flag: bool
:param add_to_menu: Flag indicating whether the action should also
be added to the menu. Defaults to True.
:type add_to_menu: bool
:param add_to_toolbar: Flag indicating whether the action should also
be added to the toolbar. Defaults to True.
:type add_to_toolbar: bool
:param status_tip: Optional text to show in a popup when mouse pointer
hovers over the action.
:type status_tip: str
:param parent: Parent widget for the new action. Defaults None.
:type parent: QWidget
:param whats_this: Optional text to show in the status bar when the
mouse pointer hovers over the action.
:returns: The action that was created. Note that the action is also
added to self.actions list.
:rtype: QAction
"""
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
action.triggered.connect(callback)
action.setEnabled(enabled_flag)
if status_tip is not None:
action.setStatusTip(status_tip)
if whats_this is not None:
action.setWhatsThis(whats_this)
if add_to_toolbar:
# Adds plugin icon to Plugins toolbar
self.iface.addToolBarIcon(action)
if add_to_menu:
self.iface.addPluginToVectorMenu(self.menu, action)
self.actions.append(action)
return action
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
icon_path = ':/plugins/pipeline_planner/icon.png'
self.add_action(icon_path,
text=self.tr(u'Pipeline Planner'),
callback=self.run,
parent=self.iface.mainWindow())
# will be set False in run()
self.first_start = True
#connect to mapCanvas click event
self.addPipelinePoint.canvasClicked.connect(self.evaluatePipeline)
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginVectorMenu(self.tr(u'&Pipeline Planner'),
action)
self.iface.removeToolBarIcon(action)
def run(self):
"""Run method that performs all the real work"""
# set the canvas maptool
self.canvas.setMapTool(self.addPipelinePoint)
#method to control drawning proces
def evaluatePipeline(self, point, button):
if button == Qt.LeftButton:
self.rbPipeline.addPoint(point)
self.rbPipeline.show()
elif button == Qt.RightButton:
pipeline = self.rbPipeline.asGeometry()
# QMessageBox.information(None, "Pipeline", pipeline.asWkt())
self.dlg.tblImpacts.setRowCount(0)
#create reference to raptor_buffer layer
lyrRaptor = QgsProject.instance().mapLayersByName(
"Raptor Buffer")[0]
raptors = lyrRaptor.getFeatures(pipeline.boundingBox())
for raptor in raptors:
valConstraint = raptor.attribute("recentspec")
valID = raptor.attribute("Nest_ID")
valStatus = raptor.attribute("recentstat")
valDistance = pipeline.distance(raptor.geometry().centroid())
row = self.dlg.tblImpacts.rowCount()
if raptor.geometry().intersects(pipeline):
self.dlg.tblImpacts.insertRow(row)
self.dlg.tblImpacts.setItem(
row, 0, QTableWidgetItem(valConstraint))
self.dlg.tblImpacts.setItem(row, 1,
QTableWidgetItem(str(valID)))
self.dlg.tblImpacts.setItem(row, 2,
QTableWidgetItem(valStatus))
self.dlg.tblImpacts.setItem(
row, 3,
QTableWidgetItem("{:4.5f}".format(valDistance)))
self.dlg.show()
self.rbPipeline.reset()
class ShapeTool(QgsMapTool):
#signal emitted when the mouse is clicked. This indicates that the tool finished its job
toolFinished = pyqtSignal()
def __init__(self, canvas, geometryType, param, type, color = QColor( 254, 178, 76, 63 )):
'''
Constructor
'''
QgsMapTool.__init__(self, canvas)
self.canvas = canvas
self.active = False
self.geometryType=geometryType
self.param=param
self.type=type
self.cursor=None
self.rubberBand = QgsRubberBand(self.canvas, QGis.Polygon)
self.setColor(color)
self.reset()
def setColor(self, mFillColor):
'''
Adjusting the color to create the rubber band
'''
self.rubberBand.setColor(mFillColor)
self.rubberBand.setWidth(1)
def reset(self):
'''
Resetting the rubber band
'''
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
try:
self.rubberBand.reset(QGis.Polygon)
except:
pass
def canvasPressEvent(self, e):
'''
When the canvas is pressed the tool finishes its job
'''
self.canvas.unsetMapTool(self)
self.toolFinished.emit()
def canvasMoveEvent(self, e):
'''
Deals with mouse move event to update the rubber band position in the canvas
'''
self.endPoint = self.toMapCoordinates( e.pos() )
if self.geometryType == self.tr(u"Circle"):
self.showCircle(self.endPoint)
elif self.geometryType == self.tr(u"Square"):
self.showRect(self.endPoint, sqrt(self.param)/2)
def showCircle(self, startPoint):
'''
Draws a circle in the canvas
'''
nPoints = 50
x = startPoint.x()
y = startPoint.y()
if self.type == self.tr('distance'):
r = self.param
self.rubberBand.reset(QGis.Polygon)
for itheta in range(nPoints+1):
theta = itheta*(2.0*pi/nPoints)
self.rubberBand.addPoint(QgsPoint(x+r*cos(theta), y+r*sin(theta)))
self.rubberBand.show()
else:
r = sqrt(self.param/pi)
self.rubberBand.reset(QGis.Polygon)
for itheta in range(nPoints+1):
theta = itheta*(2.0*pi/nPoints)
self.rubberBand.addPoint(QgsPoint(x+r*cos(theta), y+r*sin(theta)))
self.rubberBand.show()
def showRect(self, startPoint, param):
'''
Draws a rectangle in the canvas
'''
self.rubberBand.reset(QGis.Polygon)
x = startPoint.x()
y = startPoint.y()
point1 = QgsPoint(x - param, y - param)
point2 = QgsPoint(x - param, y + param)
point3 = QgsPoint(x + param, y + param)
point4 = QgsPoint(x + param, y - param)
self.rubberBand.addPoint(point1, False)
self.rubberBand.addPoint(point2, False)
self.rubberBand.addPoint(point3, False)
self.rubberBand.addPoint(point4, True)
self.rubberBand.show()
def deactivate(self):
'''
Deactivates the tool and hides the rubber band
'''
self.rubberBand.hide()
QgsMapTool.deactivate(self)
def activate(self):
'''
Activates the tool
'''
QgsMapTool.activate(self)
def reproject(self, geom, canvasCrs):
'''
Reprojects geom from the canvas crs to the reference crs
geom: geometry to be reprojected
canvasCrs: canvas crs (from crs)
'''
destCrs = self.reference.crs()
if canvasCrs.authid() != destCrs.authid():
coordinateTransformer = QgsCoordinateTransform(canvasCrs, destCrs)
geom.transform(coordinateTransformer)
class MapWidget(Ui_CanvasWidget, QMainWindow):
def __init__(self, parent=None):
super(MapWidget, self).__init__(parent)
self.setupUi(self)
self.snapping = True
icon = roam_style.iconsize()
self.projecttoolbar.setIconSize(QSize(icon, icon))
self.defaultextent = None
self.current_form = None
self.last_form = None
self.layerbuttons = []
self.editfeaturestack = []
self.lastgpsposition = None
self.project = None
self.gps = None
self.gpslogging = None
self.selectionbands = defaultdict(partial(QgsRubberBand, self.canvas))
self.bridge = QgsLayerTreeMapCanvasBridge(
QgsProject.instance().layerTreeRoot(), self.canvas)
self.bridge.setAutoSetupOnFirstLayer(False)
self.canvas.setCanvasColor(Qt.white)
self.canvas.enableAntiAliasing(True)
self.snappingutils = SnappingUtils(self.canvas, self)
self.canvas.setSnappingUtils(self.snappingutils)
threadcount = QThread.idealThreadCount()
threadcount = 2 if threadcount > 2 else 1
QgsApplication.setMaxThreads(threadcount)
self.canvas.setParallelRenderingEnabled(True)
self.canvas.setFrameStyle(QFrame.NoFrame)
self.editgroup = QActionGroup(self)
self.editgroup.setExclusive(True)
self.editgroup.addAction(self.actionPan)
self.editgroup.addAction(self.actionZoom_In)
self.editgroup.addAction(self.actionZoom_Out)
self.editgroup.addAction(self.actionInfo)
self.actionGPS = GPSAction(self.canvas, self)
self.projecttoolbar.addAction(self.actionGPS)
if roam.config.settings.get('north_arrow', False):
self.northarrow = NorthArrow(":/icons/north", self.canvas)
self.northarrow.setPos(10, 10)
self.canvas.scene().addItem(self.northarrow)
smallmode = roam.config.settings.get("smallmode", False)
self.projecttoolbar.setSmallMode(smallmode)
self.projecttoolbar.setContextMenuPolicy(Qt.CustomContextMenu)
gpsspacewidget = QWidget()
gpsspacewidget.setMinimumWidth(30)
gpsspacewidget.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.topspaceraction = self.projecttoolbar.insertWidget(
self.actionGPS, gpsspacewidget)
self.dataentryselection = QAction(self.projecttoolbar)
self.dataentryaction = self.projecttoolbar.insertAction(
self.topspaceraction, self.dataentryselection)
self.dataentryselection.triggered.connect(self.select_data_entry)
self.gpsMarker = GPSMarker(self.canvas)
self.gpsMarker.hide()
self.currentfeatureband = CurrentSelection(self.canvas)
self.currentfeatureband.setIconSize(30)
self.currentfeatureband.setWidth(10)
self.currentfeatureband.setColor(QColor(88, 64, 173, 50))
self.currentfeatureband.setOutlineColour(QColor(88, 64, 173))
self.gpsband = QgsRubberBand(self.canvas)
self.gpsband.setColor(QColor(165, 111, 212, 75))
self.gpsband.setWidth(5)
RoamEvents.refresh_map.connect(self.refresh_map)
RoamEvents.editgeometry.connect(self.queue_feature_for_edit)
RoamEvents.selectioncleared.connect(self.clear_selection)
RoamEvents.selectionchanged.connect(self.highlight_selection)
RoamEvents.openfeatureform.connect(self.feature_form_loaded)
RoamEvents.sync_complete.connect(self.refresh_map)
RoamEvents.snappingChanged.connect(self.snapping_changed)
self.snappingbutton = QToolButton()
self.snappingbutton.setText("Snapping: On")
self.snappingbutton.setAutoRaise(True)
self.snappingbutton.pressed.connect(self.toggle_snapping)
spacer = QWidget()
spacer2 = QWidget()
spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
spacer2.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
self.scalewidget = QgsScaleComboBox()
self.scalebutton = QToolButton()
self.scalebutton.setAutoRaise(True)
self.scalebutton.setMaximumHeight(self.statusbar.height())
self.scalebutton.pressed.connect(self.selectscale)
self.scalebutton.setText("Scale")
self.scalelist = BigList(parent=self.canvas,
centeronparent=True,
showsave=False)
self.scalelist.hide()
self.scalelist.setlabel("Map Scale")
self.scalelist.setmodel(self.scalewidget.model())
self.scalelist.closewidget.connect(self.scalelist.close)
self.scalelist.itemselected.connect(self.update_scale_from_item)
self.scalelist.itemselected.connect(self.scalelist.close)
self.positionlabel = QLabel('')
self.gpslabel = QLabel("GPS: Not active")
self.gpslabelposition = QLabel("")
self.gpslabelaveraging = QLabel('') # averaging
self.statusbar.addWidget(self.snappingbutton)
self.statusbar.addWidget(spacer2)
self.statusbar.addWidget(self.gpslabel)
self.statusbar.addWidget(self.gpslabelposition)
self.statusbar.addWidget(self.gpslabelaveraging) # averaging
self.statusbar.addPermanentWidget(self.scalebutton)
self.canvas.extentsChanged.connect(self.update_status_label)
self.canvas.scaleChanged.connect(self.update_status_label)
self.connectButtons()
scalebar_enabled = roam.config.settings.get('scale_bar', False)
self.scalebar_enabled = False
if scalebar_enabled:
roam.utils.warning(
"Unsupported feature: Scale bar support not ported to QGIS 3 API yet."
)
RoamEvents.raisemessage(
"Unsupported feature",
"Scale bar support not ported to QGIS 3 API yet",
level=RoamEvents.CRITICAL)
self.scalebar_enabled = False
# self.scalebar = ScaleBarItem(self.canvas)
# self.canvas.scene().addItem(self.scalebar)
def clear_plugins(self) -> None:
"""
Clear all the plugin added toolbars from the map interface.
"""
toolbars = self.findChildren(QToolBar)
for toolbar in toolbars:
if toolbar.property("plugin_toolbar"):
toolbar.unload()
self.removeToolBar(toolbar)
toolbar.deleteLater()
def add_plugins(self, pluginnames) -> None:
"""
Add the given plugins to to the mapping interface.
Adds the toolbars the plugin exposes as new toolbars for the user.
:param pluginnames: The names of the plugins to load. Must already be loaded
by the plugin loader
"""
for name in pluginnames:
# Get the plugin
try:
plugin_mod = plugins.loaded_plugins[name]
except KeyError:
continue
if not hasattr(plugin_mod, 'toolbars'):
roam.utils.warning(
"No toolbars() function found in {}".format(name))
continue
toolbars = plugin_mod.toolbars()
self.load_plugin_toolbars(toolbars)
def load_plugin_toolbars(self, toolbars):
"""
Load the plugin toolbars into the mapping interface.
:param toolbars: The list of toolbars class objects to load.
:return:
"""
for ToolBarClass in toolbars:
toolbar = ToolBarClass(plugins.api, self)
self.addToolBar(Qt.BottomToolBarArea, toolbar)
toolbar.setProperty("plugin_toolbar", True)
def snapping_changed(self, snapping):
"""
Called when the snapping settings have changed. Updates the label in the status bar.
:param snapping:
"""
self.snapping = snapping
if snapping:
self.snappingbutton.setText("Snapping: On")
else:
self.snappingbutton.setText("Snapping: Off")
def toggle_snapping(self):
"""
Toggle snapping on or off.
"""
self.snapping = not self.snapping
try:
self.canvas.mapTool().toggle_snapping()
except AttributeError:
pass
RoamEvents.snappingChanged.emit(self.snapping)
def selectscale(self):
"""
Show the select scale widget.
:return:
"""
self.scalelist.show()
def update_scale_from_item(self, index):
"""
Update the canvas scale from the selected scale item.
:param index: The index of the selected item.
"""
scale, _ = self.scalewidget.toDouble(index.data(Qt.DisplayRole))
self.canvas.zoomScale(1.0 / scale)
def update_gps_fixed_label(self, fixed, gpsinfo):
if not fixed:
self.gpslabel.setText("GPS: Acquiring fix")
self.gpslabelposition.setText("")
self.gpslabelaveraging.setText('') # averaging
quality_mappings = {
0: "invalid",
1: "GPS",
2: "DGPS",
3: "PPS",
4: "Real Time Kinematic",
5: "Float RTK",
6: "Estimated",
7: "Manual input mode",
8: "Simulation mode"
}
def update_gps_label(self, position, gpsinfo):
"""
Update the GPS label in the status bar with the GPS status.
:param position: The current GPS position.
:param gpsinfo: The current extra GPS information.
"""
if not self.gps.connected:
return
fixtype = self.quality_mappings.get(gpsinfo.quality, "")
self.gpslabel.setText(
"DOP P:<b>{0:.2f}</b> H:<b>{1:.2f}</b> V:<b>{2:.2f}</b> "
"Fix: <b>{3}</b> "
"Sats: <b>{4}</b> ".format(gpsinfo.pdop, gpsinfo.hdop,
gpsinfo.vdop, fixtype,
gpsinfo.satellitesUsed))
places = roam.config.settings.get("gpsplaces", 8)
# if averaging, don't show this
if not roam.config.settings.get('gps_averaging', True):
self.gpslabelposition.setText("X: <b>{x:.{places}f}</b> "
"Y: <b>{y:.{places}f}</b> "
"Z: <b>{z}m</b> ".format(
x=position.x(),
y=position.y(),
z=position.z(),
places=places))
else:
self.gpslabelposition.setText('')
# --- averaging -------------------------------------------------------
# if turned on
if roam.config.settings.get('gps_averaging', True):
time = roam.config.settings.get('gps_averaging_start_time', '')
# if currently happening
if roam.config.settings.get('gps_averaging_in_action', True):
time = datetime.now().replace(microsecond=0) - time.replace(
microsecond=0)
count = roam.config.settings.get('gps_averaging_measurements', int)
avglabel = 'AVG: <b>%s / %s</b>' % (time, count)
else:
avglabel = ''
self.gpslabelaveraging.setText(avglabel)
# ---------------------------------------------------------------------
def gps_disconnected(self):
self.gpslabel.setText("GPS: Not Active")
self.gpslabelposition.setText("")
self.gpslabelaveraging.setText("")
self.gpsMarker.hide()
def zoom_to_feature(self, feature):
"""
Zoom to the given feature in the map.
:param feature:
:return:
"""
box = feature.geometry().boundingBox()
xmin, xmax, ymin, ymax = box.xMinimum(), box.xMaximum(), box.yMinimum(
), box.yMaximum()
xmin -= 5
xmax += 5
ymin -= 5
ymax += 5
box = QgsRectangle(xmin, ymin, xmax, ymax)
self.canvas.setExtent(box)
self.canvas.refresh()
def update_status_label(self, *args) -> None:
"""
Update the status bar labels when the information has changed.
"""
extent = self.canvas.extent()
self.positionlabel.setText("Map Center: {}".format(
extent.center().toString()))
scale = 1.0 / self.canvas.scale()
scale = self.scalewidget.toString(scale)
self.scalebutton.setText(scale)
def refresh_map(self) -> None:
"""
Refresh the map
"""
self.canvas.refresh()
def updatescale(self) -> None:
"""
Update the scale of the map with the current scale from the scale widget
:return:
"""
self.canvas.zoomScale(1.0 / self.scalewidget.scale())
@property
def crs(self) -> QgsCoordinateReferenceSystem:
"""
Get the CRS used that is being used in the canvas
:return: The QgsCoordinateReferenceSystem that is used by the canvas
"""
return self.canvas.mapSettings().destinationCrs()
def feature_form_loaded(self, form, feature, *args):
"""
Called when the feature form is loaded.
:param form: The Form object. Holds a reference to the forms layer.
:param feature: The current capture feature
"""
self.currentfeatureband.setToGeometry(feature.geometry(),
form.QGISLayer)
def highlight_selection(self, results):
"""
Highlight the selection on the canvas. This updates all selected objects based on the result set.
:param results: A dict-of-list of layer-features.
"""
self.clear_selection()
for layer, features in results.items():
band = self.selectionbands[layer]
band.setColor(QColor(255, 0, 0))
band.setIconSize(25)
band.setWidth(5)
band.setBrushStyle(Qt.NoBrush)
band.reset(layer.geometryType())
band.setZValue(self.currentfeatureband.zValue() - 1)
for feature in features:
band.addGeometry(feature.geometry(), layer)
self.canvas.update()
def highlight_active_selection(self, layer, feature, features):
"""
Update the current active selected feature.
:param layer: The layer of the active feature.
:param feature: The active feature.
:param features: The other features in the set to show as non active selection.
:return:
"""
self.clear_selection()
self.highlight_selection({layer: features})
self.currentfeatureband.setToGeometry(feature.geometry(), layer)
self.canvas.update()
def clear_selection(self):
"""
Clear the selection from the canvas. Resets all selection rubber bands.
:return:
"""
# Clear the main selection rubber band
self.canvas.scene().update()
self.currentfeatureband.reset()
# Clear the rest
for band in self.selectionbands.values():
band.reset()
self.canvas.update()
self.editfeaturestack = []
def queue_feature_for_edit(self, form, feature):
"""
Push a feature on the edit stack so the feature can have the geometry edited.
:note: This is a big hack and I don't like it!
:param form: The form for the current feature
:param feature: The active feature.
"""
def trigger_default_action():
for action in self.projecttoolbar.actions():
if action.property('dataentry') and action.isdefault:
action.trigger()
self.canvas.currentLayer().startEditing()
self.canvas.mapTool().setEditMode(True, feature.geometry(),
feature)
break
self.editfeaturestack.append((form, feature))
self.save_current_form()
self.load_form(form)
trigger_default_action()
def save_current_form(self):
self.last_form = self.current_form
def restore_last_form(self):
self.load_form(self.last_form)
def clear_temp_objects(self):
"""
Clear all temp objects from the canvas.
:return:
"""
def clear_tool_band():
"""
Clear the rubber band of the active tool if it has one
"""
tool = self.canvas.mapTool()
if hasattr(tool, "clearBand"):
tool.clearBand()
self.currentfeatureband.reset()
clear_tool_band()
def settings_updated(self, settings):
"""
Called when the settings have been updated in the Roam config.
:param settings: A dict of the settings.
"""
self.actionGPS.updateGPSPort()
gpslogging = settings.get('gpslogging', True)
if self.gpslogging:
self.gpslogging.logging = gpslogging
smallmode = settings.get("smallmode", False)
self.projecttoolbar.setSmallMode(smallmode)
def set_gps(self, gps, logging):
"""
Set the GPS for the map widget. Connects GPS signals
"""
self.gps = gps
self.gpslogging = logging
self.gps.gpsfixed.connect(self.update_gps_fixed_label)
self.gps.gpsposition.connect(self.update_gps_label)
self.gps.gpsposition.connect(self.gps_update_canvas)
self.gps.firstfix.connect(self.gps_first_fix)
self.gps.gpsdisconnected.connect(self.gps_disconnected)
self.gpsMarker.setgps(self.gps)
self.actionGPS.setgps(gps)
def gps_update_canvas(self, position, gpsinfo):
"""
Updates the map canvas based on the GPS position. By default if the GPS is outside the canvas
extent the canvas will move to center on the GPS. Can be turned off in settings.
:param postion: The current GPS position.
:param gpsinfo: The extra GPS information
"""
# Recenter map if we go outside of the 95% of the area
if self.gpslogging.logging:
self.gpsband.addPoint(position)
self.gpsband.show()
if roam.config.settings.get('gpscenter', True):
if not self.lastgpsposition == position:
self.lastgpsposition = position.clone()
rect = QgsRectangle(QgsPointXY(position), QgsPointXY(position))
extentlimt = QgsRectangle(self.canvas.extent())
extentlimt.scale(0.95)
if not extentlimt.contains(QgsPointXY(position)):
self.zoom_to_location(position)
self.gpsMarker.show()
self.gpsMarker.setCenter(position, gpsinfo)
def gps_first_fix(self, postion, gpsinfo):
"""
Called the first time the GPS gets a fix. If set this will zoom to the GPS after the first fix
:param postion: The current GPS position.
:param gpsinfo: The extra GPS information
"""
zoomtolocation = roam.config.settings.get('gpszoomonfix', True)
if zoomtolocation:
self.canvas.zoomScale(1000)
self.zoom_to_location(postion)
def zoom_to_location(self, position):
"""
Zoom to ta given position on the map..
"""
rect = QgsRectangle(QgsPointXY(position), QgsPointXY(position))
self.canvas.setExtent(rect)
self.canvas.refresh()
def select_data_entry(self):
"""
Open the form selection widget to allow the user to pick the active capture form.
"""
def showformerror(form):
pass
def actions():
for form in self.project.forms:
if not self.form_valid_for_capture(form):
continue
action = form.createuiaction()
valid, failreasons = form.valid
if not valid:
roam.utils.warning("Form {} failed to load".format(
form.label))
roam.utils.warning("Reasons {}".format(failreasons))
action.triggered.connect(partial(showformerror, form))
else:
action.triggered.connect(partial(self.load_form, form))
yield action
formpicker = PickActionDialog(msg="Select data entry form", wrap=5)
formpicker.addactions(actions())
formpicker.exec_()
def project_loaded(self, project):
"""
Called when the project is loaded. Main entry point for a loade project.
:param project: The Roam project that has been loaded.
"""
self.snappingutils.setConfig(QgsProject.instance().snappingConfig())
self.project = project
self.actionPan.trigger()
firstform = self.first_capture_form()
if firstform:
self.load_form(firstform)
self.dataentryselection.setVisible(True)
else:
self.dataentryselection.setVisible(False)
# Enable the raster layers button only if the project contains a raster layer.
layers = roam.api.utils.layers()
hasrasters = any(layer.type() == QgsMapLayer.RasterLayer
for layer in layers)
self.actionRaster.setEnabled(hasrasters)
self.defaultextent = self.canvas.extent()
roam.utils.info("Extent: {}".format(self.defaultextent.toString()))
self.infoTool.selectionlayers = project.selectlayersmapping()
self.canvas.refresh()
projectscales, _ = QgsProject.instance().readBoolEntry(
"Scales", "/useProjectScales")
if projectscales:
projectscales, _ = QgsProject.instance().readListEntry(
"Scales", "/ScalesList")
self.scalewidget.updateScales(projectscales)
else:
scales = [
"1:50000", "1:25000", "1:10000", "1:5000", "1:2500", "1:1000",
"1:500", "1:250", "1:200", "1:100"
]
scales = roam.config.settings.get('scales', scales)
self.scalewidget.updateScales(scales)
if self.scalebar_enabled:
self.scalebar.update()
red = QgsProject.instance().readNumEntry("Gui", "/CanvasColorRedPart",
255)[0]
green = QgsProject.instance().readNumEntry("Gui",
"/CanvasColorGreenPart",
255)[0]
blue = QgsProject.instance().readNumEntry("Gui",
"/CanvasColorBluePart",
255)[0]
myColor = QColor(red, green, blue)
self.canvas.setCanvasColor(myColor)
self.actionPan.toggle()
self.clear_plugins()
self.add_plugins(project.enabled_plugins)
def setMapTool(self, tool, *args):
"""
Set the active map tool in the canvas.
:param tool: The QgsMapTool to set.
"""
if tool == self.canvas.mapTool():
return
if hasattr(tool, "setSnapping"):
tool.setSnapping(self.snapping)
self.canvas.setMapTool(tool)
def connectButtons(self):
"""
Connect the default buttons in the interface. Zoom, pan, etc
"""
def connectAction(action, tool):
action.toggled.connect(partial(self.setMapTool, tool))
def cursor(name):
pix = QPixmap(name)
pix = pix.scaled(QSize(24, 24))
return QCursor(pix)
self.zoomInTool = QgsMapToolZoom(self.canvas, False)
self.zoomOutTool = QgsMapToolZoom(self.canvas, True)
self.panTool = QgsMapToolPan(self.canvas)
self.infoTool = InfoTool(self.canvas)
self.infoTool.setAction(self.actionInfo)
self.zoomInTool.setAction(self.actionZoom_In)
self.zoomOutTool.setAction(self.actionZoom_Out)
self.panTool.setAction(self.actionPan)
connectAction(self.actionZoom_In, self.zoomInTool)
connectAction(self.actionZoom_Out, self.zoomOutTool)
connectAction(self.actionPan, self.panTool)
connectAction(self.actionInfo, self.infoTool)
self.zoomInTool.setCursor(cursor(':/icons/in'))
self.zoomOutTool.setCursor(cursor(':/icons/out'))
self.infoTool.setCursor(cursor(':/icons/select'))
self.actionRaster.triggered.connect(self.toggle_raster_layers)
self.actionHome.triggered.connect(self.homeview)
def homeview(self):
"""
Zoom the mapview canvas to the extents the project was opened at i.e. the
default extent.
"""
if self.defaultextent:
self.canvas.setExtent(self.defaultextent)
self.canvas.refresh()
def form_valid_for_capture(self, form):
"""
Check if the given form is valid for capture.
:param form: The form to check.
:return: True if valid form for capture
"""
return form.has_geometry and self.project.layer_can_capture(
form.QGISLayer)
def first_capture_form(self):
"""
Return the first valid form for capture.
"""
for form in self.project.forms:
if self.form_valid_for_capture(form):
return form
def load_form(self, form):
"""
Load the given form so it's the active one for capture
:param form: The form to load
"""
self.clear_capture_tools()
self.dataentryselection.setIcon(QIcon(form.icon))
self.dataentryselection.setText(form.icontext)
self.create_capture_buttons(form)
self.current_form = form
def create_capture_buttons(self, form):
"""
Create the capture buttons in the toolbar for the given form.
:param form: The active form.
"""
tool = form.getMaptool()(self.canvas, form.settings)
for action in tool.actions:
# Create the action here.
if action.ismaptool:
action.toggled.connect(partial(self.setMapTool, tool))
# Set the action as a data entry button so we can remove it later.
action.setProperty("dataentry", True)
self.editgroup.addAction(action)
self.layerbuttons.append(action)
self.projecttoolbar.insertAction(self.topspaceraction, action)
action.setChecked(action.isdefault)
if hasattr(tool, 'geometryComplete'):
add = partial(self.add_new_feature, form)
tool.geometryComplete.connect(add)
else:
tool.finished.connect(self.openForm)
tool.error.connect(self.show_invalid_geometry_message)
def show_invalid_geometry_message(self, message) -> None:
"""
Shows the message to the user if the there is a invalid geometry capture.
:param message: The message to show the user.
"""
RoamEvents.raisemessage("Invalid geometry capture",
message,
level=RoamEvents.CRITICAL)
if self.canvas.currentLayer() is not None:
self.canvas.currentLayer().rollBack()
RoamEvents.editgeometry_invalid.emit()
def add_new_feature(self, form, geometry: QgsGeometry):
"""
Add a new new feature to the given layer
:param form: The form to use for the new feature.
:param geometry: The new geometry to create the feature for.
"""
# NOTE This function is doing too much, acts as add and also edit.
layer = form.QGISLayer
if geometry.isMultipart():
geometry.convertToMultiType()
# Transform the new geometry back into the map layers geometry if it's needed
transform = self.canvas.mapSettings().layerTransform(layer)
if transform.isValid():
geometry.transform(transform,
QgsCoordinateTransform.ReverseTransform)
try:
form, feature = self.editfeaturestack.pop()
self.editfeaturegeometry(form, feature, newgeometry=geometry)
return
except IndexError:
pass
feature = form.new_feature(geometry=geometry)
RoamEvents.load_feature_form(form, feature, editmode=False)
def editfeaturegeometry(self, form, feature, newgeometry):
# TODO Extract into function.
layer = form.QGISLayer
layer.startEditing()
feature.setGeometry(newgeometry)
layer.updateFeature(feature)
saved = layer.commitChanges()
if not saved:
map(roam.utils.error, layer.commitErrors())
self.canvas.refresh()
self.currentfeatureband.setToGeometry(feature.geometry(), layer)
RoamEvents.editgeometry_complete.emit(form, feature)
self.canvas.mapTool().setEditMode(False, None, None)
self.restore_last_form()
def clear_capture_tools(self):
"""
Clear the capture tools from the toolbar.
:return: True if the capture button was active at the time of clearing.
"""
captureselected = False
for action in self.projecttoolbar.actions():
if action.objectName() == "capture" and action.isChecked():
captureselected = True
if action.property('dataentry'):
self.projecttoolbar.removeAction(action)
return captureselected
def toggle_raster_layers(self) -> None:
"""
Toggle all raster layers on or off.
"""
# Freeze the canvas to save on UI refresh
dlg = PickActionDialog(msg="Raster visibility")
actions = [
(":/icons/raster_0", "Off", partial(self._set_basemaps_opacity,
0), "photo_off"),
(":/icons/raster_25", "25%",
partial(self._set_basemaps_opacity, .25), "photo_25"),
(":/icons/raster_50", "50%",
partial(self._set_basemaps_opacity, .50), "photo_50"),
(":/icons/raster_75", "75%",
partial(self._set_basemaps_opacity, .75), "photo_75"),
(":/icons/raster_100", "100%",
partial(self._set_basemaps_opacity, 1), "photo_100"),
]
# ":/icons/raster_100"), "100%", self, triggered=partial(self._set_raster_layer_value, 1),
# objectName="photo_100")
dialog_actions = []
for action in actions:
icon = QIcon(action[0])
qaction = QAction(icon,
action[1],
self,
triggered=action[2],
objectName=action[3])
dialog_actions.append(qaction)
dlg.addactions(dialog_actions)
dlg.exec_()
def _set_basemaps_opacity(self, value=0) -> None:
"""
Set the opacity for all basemap raster layers.
:param value: The opacity value betwen 0 and 1
"""
tree = QgsProject.instance().layerTreeRoot()
for node in tree.findLayers():
layer = node.layer()
if node.layer().type() == QgsMapLayer.RasterLayer:
if value > 0:
node.setItemVisibilityChecked(Qt.Checked)
renderer = layer.renderer()
renderer.setOpacity(value)
if value == 0:
node.setItemVisibilityChecked(Qt.Unchecked)
self.canvas.refresh()
def cleanup(self):
"""
Clean up when the project has changed.
:return:
"""
# TODO Review cleanup
# self.bridge.clear()
self.gpsband.reset()
self.gpsband.hide()
self.clear_selection()
self.clear_temp_objects()
self.clear_capture_tools()
for action in self.layerbuttons:
self.editgroup.removeAction(action)
class MapWidget(Ui_CanvasWidget, QMainWindow):
def __init__(self, parent=None):
super(MapWidget, self).__init__(parent)
self.setupUi(self)
self.firstshow = True
self.layerbuttons = []
self.editfeaturestack = []
self.lastgpsposition = None
self.project = None
self.gps = None
self.gpslogging = None
self.selectionbands = defaultdict(partial(QgsRubberBand, self.canvas))
self.canvas.setCanvasColor(Qt.white)
self.canvas.enableAntiAliasing(True)
self.canvas.setWheelAction(QgsMapCanvas.WheelZoomToMouseCursor)
if hasattr(self.canvas, 'setParallelRenderingEnabled'):
self.canvas.setParallelRenderingEnabled(True)
pal = QgsPalLabeling()
self.canvas.mapRenderer().setLabelingEngine(pal)
self.canvas.setFrameStyle(QFrame.NoFrame)
self.editgroup = QActionGroup(self)
self.editgroup.setExclusive(True)
self.editgroup.addAction(self.actionPan)
self.editgroup.addAction(self.actionZoom_In)
self.editgroup.addAction(self.actionZoom_Out)
self.editgroup.addAction(self.actionInfo)
self.actionGPS = GPSAction(":/icons/gps", self.canvas, self)
self.projecttoolbar.addAction(self.actionGPS)
gpsspacewidget= QWidget()
gpsspacewidget.setMinimumWidth(30)
gpsspacewidget.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.topspaceraction = self.projecttoolbar.insertWidget(self.actionGPS, gpsspacewidget)
self.dataentryselection = QAction(self.projecttoolbar)
self.dataentryaction = self.projecttoolbar.insertAction(self.topspaceraction, self.dataentryselection)
self.dataentryselection.triggered.connect(self.select_data_entry)
self.marker = GPSMarker(self.canvas)
self.marker.hide()
self.currentfeatureband = QgsRubberBand(self.canvas)
self.currentfeatureband.setIconSize(20)
self.currentfeatureband.setWidth(10)
self.currentfeatureband.setColor(QColor(186, 93, 212, 76))
self.gpsband = QgsRubberBand(self.canvas)
self.gpsband.setColor(QColor(0, 0, 212, 76))
self.gpsband.setWidth(5)
RoamEvents.editgeometry.connect(self.queue_feature_for_edit)
RoamEvents.selectioncleared.connect(self.clear_selection)
RoamEvents.selectionchanged.connect(self.highlight_selection)
RoamEvents.featureformloaded.connect(self.feature_form_loaded)
self.connectButtons()
def init_qgisproject(self, doc):
parser = ProjectParser(doc)
canvasnode = parser.canvasnode
self.canvas.freeze()
self.canvas.mapRenderer().readXML(canvasnode)
self.canvaslayers = parser.canvaslayers()
self.canvas.setLayerSet(self.canvaslayers)
#red = QgsProject.instance().readNumEntry( "Gui", "/CanvasColorRedPart", 255 )[0];
#green = QgsProject.instance().readNumEntry( "Gui", "/CanvasColorGreenPart", 255 )[0];
#blue = QgsProject.instance().readNumEntry( "Gui", "/CanvasColorBluePart", 255 )[0];
#color = QColor(red, green, blue);
#self.canvas.setCanvasColor(color)
self.canvas.updateScale()
return self.canvas.mapRenderer().destinationCrs()
def showEvent(self, *args, **kwargs):
if self.firstshow:
self.canvas.refresh()
self.canvas.repaint()
self.firstshow = False
def feature_form_loaded(self, form, feature, project, editmode):
self.currentfeatureband.setToGeometry(feature.geometry(), form.QGISLayer)
def highlight_selection(self, results):
self.clear_selection()
for layer, features in results.iteritems():
band = self.selectionbands[layer]
band.setColor(QColor(255, 0, 0, 200))
band.setIconSize(20)
band.setWidth(2)
band.setBrushStyle(Qt.NoBrush)
band.reset(layer.geometryType())
for feature in features:
band.addGeometry(feature.geometry(), layer)
def highlight_active_selection(self, layer, feature, features):
self.clear_selection()
self.highlight_selection({layer: features})
self.currentfeatureband.setToGeometry(feature.geometry(), layer)
def clear_selection(self):
# Clear the main selection rubber band
self.currentfeatureband.reset()
# Clear the rest
for band in self.selectionbands.itervalues():
band.reset()
self.editfeaturestack = []
def queue_feature_for_edit(self, form, feature):
def trigger_default_action():
for action in self.projecttoolbar.actions():
if action.property('dataentry') and action.isdefault:
action.trigger()
break
self.editfeaturestack.append((form, feature))
self.load_form(form)
trigger_default_action()
def clear_temp_objects(self):
def clear_tool_band():
"""
Clear the rubber band of the active tool if it has one
"""
tool = self.canvas.mapTool()
try:
tool.clearBand()
except AttributeError:
# No clearBand method found, but that's cool.
pass
self.currentfeatureband.reset()
clear_tool_band()
def settings_updated(self, settings):
self.actionGPS.updateGPSPort()
gpslogging = settings.get('gpslogging', True)
if self.gpslogging:
self.gpslogging.logging = gpslogging
def set_gps(self, gps, logging):
self.gps = gps
self.gpslogging = logging
self.gps.gpsposition.connect(self.gps_update_canvas)
self.gps.firstfix.connect(self.gps_first_fix)
self.gps.gpsdisconnected.connect(self.gps_disconnected)
def gps_update_canvas(self, position, gpsinfo):
# Recenter map if we go outside of the 95% of the area
if self.gpslogging.logging:
self.gpsband.addPoint(position)
self.gpsband.show()
if roam.config.settings.get('gpscenter', True):
if not self.lastgpsposition == position:
self.lastposition = position
rect = QgsRectangle(position, position)
extentlimt = QgsRectangle(self.canvas.extent())
extentlimt.scale(0.95)
if not extentlimt.contains(position):
self.zoom_to_location(position)
self.marker.show()
self.marker.setCenter(position)
def gps_first_fix(self, postion, gpsinfo):
zoomtolocation = roam.config.settings.get('gpszoomonfix', True)
if zoomtolocation:
self.canvas.zoomScale(1000)
self.zoom_to_location(postion)
def zoom_to_location(self, position):
rect = QgsRectangle(position, position)
self.canvas.setExtent(rect)
self.canvas.refresh()
def gps_disconnected(self):
self.marker.hide()
def select_data_entry(self):
def showformerror(form):
pass
def actions():
for form in self.project.forms:
action = form.createuiaction()
valid, failreasons = form.valid
if not valid:
roam.utils.warning("Form {} failed to load".format(form.label))
roam.utils.warning("Reasons {}".format(failreasons))
action.triggered.connect(partial(showformerror, form))
else:
action.triggered.connect(partial(self.load_form, form))
yield action
formpicker = PickActionDialog(msg="Select data entry form")
formpicker.addactions(actions())
formpicker.exec_()
def project_loaded(self, project):
self.project = project
self.actionPan.trigger()
try:
firstform = project.forms[0]
self.load_form(firstform)
self.dataentryselection.setVisible(True)
except IndexError:
self.dataentryselection.setVisible(False)
# Enable the raster layers button only if the project contains a raster layer.
layers = QgsMapLayerRegistry.instance().mapLayers().values()
hasrasters = any(layer.type() == QgsMapLayer.RasterLayer for layer in layers)
self.actionRaster.setEnabled(hasrasters)
self.defaultextent = self.canvas.extent()
roam.utils.info("Extent: {}".format(self.defaultextent.toString()))
self.infoTool.selectionlayers = project.selectlayersmapping()
self.canvas.freeze(False)
self.canvas.refresh()
def setMapTool(self, tool, *args):
self.canvas.setMapTool(tool)
def connectButtons(self):
def connectAction(action, tool):
action.toggled.connect(partial(self.setMapTool, tool))
def cursor(name):
pix = QPixmap(name)
pix = pix.scaled(QSize(24,24))
return QCursor(pix)
self.zoomInTool = QgsMapToolZoom(self.canvas, False)
self.zoomOutTool = QgsMapToolZoom(self.canvas, True)
self.panTool = PanTool(self.canvas)
self.infoTool = InfoTool(self.canvas)
connectAction(self.actionZoom_In, self.zoomInTool)
connectAction(self.actionZoom_Out, self.zoomOutTool)
connectAction(self.actionPan, self.panTool)
connectAction(self.actionInfo, self.infoTool)
self.zoomInTool.setCursor(cursor(':/icons/in'))
self.zoomOutTool.setCursor(cursor(':/icons/out'))
self.infoTool.setCursor(cursor(':/icons/info'))
self.actionRaster.triggered.connect(self.toggleRasterLayers)
self.infoTool.infoResults.connect(RoamEvents.selectionchanged.emit)
self.actionHome.triggered.connect(self.homeview)
def homeview(self):
"""
Zoom the mapview canvas to the extents the project was opened at i.e. the
default extent.
"""
self.canvas.setExtent(self.defaultextent)
self.canvas.refresh()
def load_form(self, form):
self.clearCapatureTools()
self.dataentryselection.setIcon(QIcon(form.icon))
self.dataentryselection.setText(form.icontext)
self.create_capture_buttons(form)
def create_capture_buttons(self, form):
tool = form.getMaptool()(self.canvas)
for action in tool.actions:
# Create the action here.
if action.ismaptool:
action.toggled.connect(partial(self.setMapTool, tool))
# Set the action as a data entry button so we can remove it later.
action.setProperty("dataentry", True)
self.editgroup.addAction(action)
self.layerbuttons.append(action)
self.projecttoolbar.insertAction(self.topspaceraction, action)
action.setChecked(action.isdefault)
if hasattr(tool, 'geometryComplete'):
add = partial(self.add_new_feature, form)
tool.geometryComplete.connect(add)
else:
tool.finished.connect(self.openForm)
tool.error.connect(partial(self.showUIMessage, form.label))
def add_new_feature(self, form, geometry):
"""
Add a new new feature to the given layer
"""
# TODO Extract into function.
# NOTE This function is doing too much, acts as add and also edit.
layer = form.QGISLayer
if layer.geometryType() in [QGis.WKBMultiLineString, QGis.WKBMultiPoint, QGis.WKBMultiPolygon]:
geometry.convertToMultiType()
try:
form, feature = self.editfeaturestack.pop()
self.editfeaturegeometry(form, feature, newgeometry=geometry)
return
except IndexError:
pass
layer = form.QGISLayer
fields = layer.pendingFields()
feature = QgsFeature(fields)
feature.setGeometry(geometry)
for index in xrange(fields.count()):
pkindexes = layer.dataProvider().pkAttributeIndexes()
if index in pkindexes and layer.dataProvider().name() == 'spatialite':
continue
value = layer.dataProvider().defaultValue(index)
feature[index] = value
RoamEvents.open_feature_form(form, feature, editmode=False)
def editfeaturegeometry(self, form, feature, newgeometry):
# TODO Extract into function.
layer = form.QGISLayer
layer.startEditing()
feature.setGeometry(newgeometry)
layer.updateFeature(feature)
saved = layer.commitChanges()
if not saved:
map(roam.utils.error, layer.commitErrors())
self.canvas.refresh()
self.currentfeatureband.setToGeometry(feature.geometry(), layer)
RoamEvents.editgeometry_complete.emit(form, feature)
def clearCapatureTools(self):
captureselected = False
for action in self.projecttoolbar.actions():
if action.objectName() == "capture" and action.isChecked():
captureselected = True
if action.property('dataentry'):
self.projecttoolbar.removeAction(action)
return captureselected
def toggleRasterLayers(self):
"""
Toggle all raster layers on or off.
"""
if not self.canvaslayers:
return
#Freeze the canvas to save on UI refresh
self.canvas.freeze()
for layer in self.canvaslayers:
if layer.layer().type() == QgsMapLayer.RasterLayer:
layer.setVisible(not layer.isVisible())
# Really!? We have to reload the whole layer set every time?
# WAT?
self.canvas.setLayerSet(self.canvaslayers)
self.canvas.freeze(False)
self.canvas.refresh()
def cleanup(self):
self.gpsband.reset()
self.gpsband.hide()
self.clear_selection()
self.clear_temp_objects()
self.clearCapatureTools()
self.canvas.freeze()
self.canvas.clear()
self.canvas.freeze(False)
for action in self.layerbuttons:
self.editgroup.removeAction(action)
class GraphSelectTool(QgsMapToolEmitPoint):
mouseMove = pyqtSignal(QgsPointXY)
mouseClicked = pyqtSignal(QgsPointXY)
selectionChanged = pyqtSignal()
def __init__(self, iface):
self.iface = iface
self.canvas = iface.mapCanvas()
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.rb = QgsRubberBand(self.canvas, QgsWkbTypes.PolygonGeometry)
self.rb.setColor(QColor(255,0,0,50))
self.rb.setFillColor(QColor(255,0,0,50))
self.rb.setWidth(1)
self.drawrubber = False
self.rubberPointX = 0
self.rubberPointY = 0
self.layer = None
def setLayer(self, layer):
self.layer = layer
def reset(self):
self.rb.reset(QgsWkbTypes.PolygonGeometry)
def canvasPressEvent(self, e):
self.rubberPointX = e.x()
self.rubberPointY = e.y()
self.drawrubber= True
def canvasReleaseEvent(self, e):
myOriginalPoint = QgsPointXY(self.canvas.getCoordinateTransform().toMapCoordinates(e.x(), e.y()))
self.mouseClicked.emit(myOriginalPoint)
self.reset()
self.drawrubber = False
myOldPoint = QgsPointXY(self.canvas.getCoordinateTransform().toMapCoordinates(self.rubberPointX, self.rubberPointY))
rect = QgsRectangle(myOldPoint, myOriginalPoint)
if(self.layer.select(rect)):
self.selectionChanged.emit()
self.canvas.refresh()
def canvasMoveEvent(self, e):
myOriginalPoint = QgsPointXY(self.canvas.getCoordinateTransform().toMapCoordinates(e.x(), e.y()))
self.mouseMove.emit(myOriginalPoint)
if(self.drawrubber):
myPoint1 = QgsPointXY(self.canvas.getCoordinateTransform().toMapCoordinates(e.x(),e.y()))
myPoint2 = QgsPointXY(self.canvas.getCoordinateTransform().toMapCoordinates(self.rubberPointX,e.y()))
myPoint3 = QgsPointXY(self.canvas.getCoordinateTransform().toMapCoordinates(self.rubberPointX,self.rubberPointY))
myPoint4 = QgsPointXY(self.canvas.getCoordinateTransform().toMapCoordinates(e.x(),self.rubberPointY))
self.reset()
#convert screen coordinates to map coordinates
self.rb.addPoint( myPoint1, False )
self.rb.addPoint( myPoint2, False )
self.rb.addPoint( myPoint3, False )
self.rb.addPoint( myPoint4, True ) #true - update canvas
self.rb.show()
class MeasureAngleTool(QgsMapTool):
finished = pyqtSignal()
def __init__(self, canvas, msglog):
super().__init__(canvas)
self.canvas = canvas
self.msglog = msglog
self.start_point = self.middle_point = self.end_point = None
self.rubber_band = QgsRubberBand(self.canvas, QgsWkbTypes.LineGeometry)
self.rubber_band.setColor(QColor(255, 0, 0, 100))
self.rubber_band.setWidth(3)
self.rubber_band_points = QgsRubberBand(self.canvas,
QgsWkbTypes.PointGeometry)
self.rubber_band_points.setIcon(QgsRubberBand.ICON_CIRCLE)
self.rubber_band_points.setIconSize(10)
self.rubber_band_points.setColor(QColor(255, 0, 0, 150))
self.rubber_band_curve = QgsRubberBand(self.canvas)
self.rubber_band_curve.setWidth(2)
self.rubber_band_curve.setColor(QColor(255, 153, 0, 100))
crs = self.canvas.mapSettings().destinationCrs()
self.distance_calc = QgsDistanceArea()
self.distance_calc.setSourceCrs(
crs,
QgsProject.instance().transformContext())
self.distance_calc.setEllipsoid(crs.ellipsoidAcronym())
self.reset()
def reset(self):
self.msglog.logMessage("")
self.start_point = self.middle_point = self.end_point = None
self.rubber_band.reset(QgsWkbTypes.LineGeometry)
self.rubber_band_points.reset(QgsWkbTypes.PointGeometry)
self.rubber_band_curve.reset()
def canvasPressEvent(self, event):
pass
def canvasReleaseEvent(self, event):
transform = self.canvas.getCoordinateTransform()
point = transform.toMapCoordinates(event.pos().x(), event.pos().y())
if self.start_point and self.middle_point:
angle_start_to_middle = self.distance_calc.bearing(
self.middle_point, self.start_point)
angle_end_to_middle = self.distance_calc.bearing(
self.middle_point, point)
angle = degrees(angle_end_to_middle - angle_start_to_middle)
if angle < -180:
angle = 360 + angle
elif angle > 180:
angle = angle - 360
anglemsg = QMessageBox(self.parent())
anglemsg.finished.connect(self.deactivate)
anglemsg.setWindowTitle("Measure angle tool")
anglemsg.setText("Angle: {:.3F} º".format(abs(angle)))
anglemsg.exec()
self.finish()
elif self.start_point:
self.middle_point = point
self.rubber_band.addPoint(self.middle_point)
self.rubber_band_points.addPoint(self.middle_point)
else:
self.start_point = point
self.rubber_band.addPoint(self.start_point)
self.rubber_band_points.addPoint(self.start_point)
def canvasMoveEvent(self, e):
if self.start_point and not self.end_point:
transform = self.canvas.getCoordinateTransform()
point = transform.toMapCoordinates(e.pos().x(), e.pos().y())
self.rubber_band.movePoint(point)
if self.start_point and self.middle_point and not self.end_point:
angle_start_to_middle = self.distance_calc.bearing(
self.middle_point, self.start_point)
angle_end_to_middle = self.distance_calc.bearing(
self.middle_point, point)
angle = degrees(angle_end_to_middle - angle_start_to_middle)
if angle < -180:
angle = 360 + angle
elif angle > 180:
angle = angle - 360
self.msglog.logMessage("")
self.msglog.logMessage(
"Current angle: {:.3F} º".format(abs(angle)), "Measure angle:",
0)
self.rubber_band_curve.reset()
# get the distance from center to point
dist_mid_to_p = sqrt((point.x() - self.middle_point.x()) *
(point.x() - self.middle_point.x()) +
(point.y() - self.middle_point.y()) *
(point.y() - self.middle_point.y()))
dist_mid_to_start = sqrt(
(self.start_point.x() - self.middle_point.x()) *
(self.start_point.x() - self.middle_point.x()) +
(self.start_point.y() - self.middle_point.y()) *
(self.start_point.y() - self.middle_point.y()))
# get angle
angle_start = atan2(self.start_point.y() - self.middle_point.y(),
self.start_point.x() - self.middle_point.x())
angle_p = atan2(point.y() - self.middle_point.y(),
point.x() - self.middle_point.x())
# smaller distance
if dist_mid_to_p < dist_mid_to_start:
dist = dist_mid_to_p
else:
dist = dist_mid_to_start
y_p = dist * sin(angle_p)
x_p = dist * cos(angle_p)
y_start = dist * sin(angle_start)
x_start = dist * cos(angle_start)
circular_ring = QgsCircularString()
circular_ring = circular_ring.fromTwoPointsAndCenter(
QgsPoint(self.middle_point.x() + x_start / 2,
self.middle_point.y() + y_start / 2),
QgsPoint(self.middle_point.x() + x_p / 2,
self.middle_point.y() + y_p / 2),
QgsPoint(self.middle_point.x(), self.middle_point.y()), True)
circular_geometry = QgsGeometry(circular_ring)
self.rubber_band_curve.addGeometry(
circular_geometry,
QgsCoordinateReferenceSystem(
4326, QgsCoordinateReferenceSystem.EpsgCrsId))
def keyPressEvent(self, event):
"""
When escape key is pressed, line is restarted
"""
if event.key() == Qt.Key_Escape:
self.reset()
def finish(self):
self.reset()
self.finished.emit()
class DsgLineTool(QgsMapTool):
lineCreated = pyqtSignal(QgsGeometry)
def __init__(self, canvas):
"""
Constructor
"""
super(DsgLineTool, self).__init__(canvas)
self.canvas = canvas
self.rubberBand = None
self.reset()
def deactivate(self):
"""
Deativates this tool
"""
self.canvas.scene().removeItem(self.rubberBand)
super(DsgLineTool, self).deactivate()
def defineRubberBand(self):
"""
Defines the rubber band style
"""
settings = QSettings()
myRed = int(settings.value("/qgis/default_measure_color_red", 222))
myGreen = int(settings.value("/qgis/default_measure_color_green", 155))
myBlue = int(settings.value("/qgis/default_measure_color_blue", 67))
self.rubberBand = QgsRubberBand(self.canvas)
self.rubberBand.setColor(QColor(myRed, myGreen, myBlue, 100))
self.rubberBand.setWidth(3)
def reset(self):
"""
Resets the tool
"""
if self.rubberBand:
self.rubberBand.reset(QgsWkbTypes.LineGeometry)
self.isEmittingPoint = False
self.defineRubberBand()
def canvasPressEvent(self, e):
"""
Reimplementation to add a point to the rubber band or reset it
"""
if self.isEmittingPoint:
point = self.snapPoint(e.pos())
self.rubberBand.addPoint(point, True)
else:
self.reset()
self.isEmittingPoint = True
def canvasReleaseEvent(self, e):
"""
Reimplementation to add a vertex to the rubber band or to finish the rubber band according to the button used
"""
point = self.snapPoint(e.pos())
if e.button() == Qt.RightButton:
geom = self.rubberBand.asGeometry()
self.reset()
self.lineCreated.emit(geom)
elif e.button() == Qt.LeftButton:
self.isEmittingPoint = True
self.rubberBand.addPoint(point, True)
def canvasMoveEvent(self, e):
"""
Reimplementation to move the rubber band
"""
if not self.isEmittingPoint:
return
point = self.snapPoint(e.pos())
self.rubberBand.movePoint(point)
def snapPoint(self, p):
"""
Reimplementation to make use of the snap
"""
m = self.canvas.snappingUtils().snapToMap(p)
if m.isValid():
return m.point()
else:
return self.canvas.getCoordinateTransform().toMapCoordinates(p)
class MeasureAreaTool(QgsMapTool):
finished = pyqtSignal()
def __init__(self, canvas, msglog):
super().__init__(canvas)
self.canvas = canvas
self.msglog = msglog
self.start_point = self.middle_point = self.end_point = None
self.rubber_band = QgsRubberBand(self.canvas,
QgsWkbTypes.PolygonGeometry)
self.rubber_band.setColor(QColor(255, 0, 0, 100))
self.rubber_band.setWidth(3)
self.rubber_band_points = QgsRubberBand(self.canvas,
QgsWkbTypes.PointGeometry)
self.rubber_band_points.setIcon(QgsRubberBand.ICON_CIRCLE)
self.rubber_band_points.setIconSize(10)
self.rubber_band_points.setColor(QColor(255, 0, 0, 150))
crs = self.canvas.mapSettings().destinationCrs()
self.area_calc = QgsDistanceArea()
self.area_calc.setSourceCrs(crs,
QgsProject.instance().transformContext())
self.area_calc.setEllipsoid(crs.ellipsoidAcronym())
self.reset()
def reset(self):
""" Reset log message and rubber band"""
self.msglog.logMessage("")
self.start_point = self.end_point = None
self.rubber_band.reset(QgsWkbTypes.PolygonGeometry)
self.rubber_band_points.reset(QgsWkbTypes.PointGeometry)
def canvasPressEvent(self, event):
pass
def canvasReleaseEvent(self, event):
transform = self.canvas.getCoordinateTransform()
point = transform.toMapCoordinates(event.pos().x(), event.pos().y())
if self.start_point and event.button() == Qt.RightButton:
multipoint = self.rubber_band.asGeometry()
area = self.area_calc.measureArea(multipoint)
anglemsg = QMessageBox(self.parent())
anglemsg.finished.connect(self.deactivate)
anglemsg.setWindowTitle("Measure area tool")
anglemsg.setText("Area: {} ".format(
self.area_calc.formatArea(area, 3,
QgsUnitTypes.AreaSquareMeters,
True)))
anglemsg.exec()
self.finish()
elif self.start_point:
self.rubber_band.addPoint(point)
self.rubber_band_points.addPoint(point)
else:
self.start_point = point
self.rubber_band.addPoint(self.start_point)
self.rubber_band_points.addPoint(self.start_point)
def canvasMoveEvent(self, e):
if self.start_point and not self.end_point:
transform = self.canvas.getCoordinateTransform()
point = transform.toMapCoordinates(e.pos().x(), e.pos().y())
self.rubber_band.movePoint(point)
multipoint = self.rubber_band.asGeometry()
area = self.area_calc.measureArea(multipoint)
self.msglog.logMessage("")
self.msglog.logMessage(
"Current area: {} ".format(
self.area_calc.formatArea(area, 3,
QgsUnitTypes.AreaSquareMeters,
True)), "Measure Area:", 0)
def keyPressEvent(self, event):
"""
When escape key is pressed, line is restarted
"""
if event.key() == Qt.Key_Escape:
self.reset()
def finish(self):
self.reset()
self.finished.emit()
class Qgis2threejsDialog(QDialog):
STYLE_MAX_COUNT = 3
def __init__(self, iface):
QDialog.__init__(self, iface.mainWindow())
self.iface = iface
self.apiChanged22 = False # not QgsApplication.prefixPath().startswith("C:/OSGeo4W") # QGis.QGIS_VERSION_INT >= 20200
# Set up the user interface from Designer.
self.ui = ui = Ui_Qgis2threejsDialog()
ui.setupUi(self)
self.setWindowFlags(self.windowFlags() | Qt.WindowMinimizeButtonHint)
ui.lineEdit_OutputFilename.setPlaceholderText("[Temporary file]")
ui.pushButton_Run.clicked.connect(self.run)
ui.pushButton_Close.clicked.connect(self.reject)
# DEM tab
ui.toolButton_switchFocusMode.setVisible(False)
ui.toolButton_PointTool.setVisible(False)
ui.progressBar.setVisible(False)
self.switchFocusMode(True)
ui.toolButton_Browse.clicked.connect(self.browseClicked)
ui.radioButton_Simple.toggled.connect(self.samplingModeChanged)
ui.horizontalSlider_Resolution.valueChanged.connect(self.calculateResolution)
ui.spinBox_Height.valueChanged.connect(self.updateQuads)
ui.toolButton_switchFocusMode.clicked.connect(self.switchFocusModeClicked)
ui.toolButton_PointTool.clicked.connect(self.startPointSelection)
# Vector tab
ui.treeWidget_VectorLayers.setHeaderLabel("Vector layers")
self.initVectorStyleWidgets()
ui.treeWidget_VectorLayers.currentItemChanged.connect(self.currentVectorLayerChanged)
ui.treeWidget_VectorLayers.itemChanged.connect(self.vectorLayerItemChanged)
ui.comboBox_ObjectType.currentIndexChanged.connect(self.objectTypeSelectionChanged)
self.bar = None
self.localBrowsingMode = True
self.rb_quads = self.rb_point = None
self.currentVectorLayer = None
self.vectorPropertiesDict = {}
self.objectTypeManager = ObjectTypeManager()
# set map tool
self.previousMapTool = None
self.mapTool = RectangleMapTool(iface.mapCanvas())
self.connect(self.mapTool, SIGNAL("rectangleCreated()"), self.rectangleSelected)
# self.mapTool = PointMapTool(iface.mapCanvas())
# QObject.connect(self.mapTool, SIGNAL("pointSelected()"), self.pointSelected)
iface.mapCanvas().mapToolSet.connect(self.mapToolSet)
self.startPointSelection()
def exec_(self):
ui = self.ui
messages = []
# show message if crs unit is degrees
mapSettings = self.iface.mapCanvas().mapSettings() if self.apiChanged22 else self.iface.mapCanvas().mapRenderer()
if mapSettings.destinationCrs().mapUnits() in [QGis.Degrees]:
self.showMessageBar("The unit of current CRS is degrees", "Terrain may not appear well.")
# show message if there are no dem layer
no_demlayer = ui.comboBox_DEMLayer.count() == 0
ui.pushButton_Run.setEnabled(not no_demlayer)
if no_demlayer:
self.showMessageBar("No DEM layer", "Load 1-band raster layer with GDAL provider.", QgsMessageBar.WARNING)
return QDialog.exec_(self)
def showMessageBar(self, title, text, level=QgsMessageBar.INFO):
if self.bar is None:
self.bar = QgsMessageBar()
self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
ui = self.ui
margins = ui.gridLayout.getContentsMargins()
vl = ui.gridLayout.takeAt(0)
ui.gridLayout.setContentsMargins(0,0,0,0)
ui.gridLayout.addWidget(self.bar, 0, 0)
ui.gridLayout.addItem(vl, 1, 0)
ui.verticalLayout.setContentsMargins(margins[0], margins[1] / 2, margins[2], margins[3])
self.bar.pushMessage(title, text, level=level)
def initDEMLayerList(self, layerId=None):
# list 1 band raster layers
self.ui.comboBox_DEMLayer.clear()
for id, layer in QgsMapLayerRegistry().instance().mapLayers().items():
if layer.type() == QgsMapLayer.RasterLayer and layer.providerType() == "gdal" and layer.bandCount() == 1:
self.ui.comboBox_DEMLayer.addItem(layer.name(), id)
# select the last selected layer
if layerId is not None:
index = self.ui.comboBox_DEMLayer.findData(layerId)
if index != -1:
self.ui.comboBox_DEMLayer.setCurrentIndex(index)
return index
return -1
def initVectorLayerTree(self, vectorPropertiesDict):
self.vectorPropertiesDict = vectorPropertiesDict
tree = self.ui.treeWidget_VectorLayers
tree.clear()
# add vector layers into tree widget
self.treeTopItems = topItems = {QGis.Point:QTreeWidgetItem(tree, ["Point"]), QGis.Line:QTreeWidgetItem(tree, ["Line"]), QGis.Polygon:QTreeWidgetItem(tree, ["Polygon"])}
self.vlItems = {}
for layer in self.iface.legendInterface().layers():
if layer.type() != QgsMapLayer.VectorLayer:
continue
geometry_type = layer.geometryType()
if geometry_type in [QGis.Point, QGis.Line, QGis.Polygon]:
self.vlItems[layer.id()] = item = QTreeWidgetItem(topItems[geometry_type], [layer.name()])
if layer.id() in self.vectorPropertiesDict:
isVisible = self.vectorPropertiesDict[layer.id()]["visible"]
else:
isVisible = False #self.iface.legendInterface().isLayerVisible(layer)
check_state = Qt.Checked if isVisible else Qt.Unchecked
item.setData(0, Qt.CheckStateRole, check_state)
item.setData(0, Qt.UserRole, layer.id())
#item.setDisabled(True)
#item.setData(0, Qt.CheckStateRole, Qt.Unchecked)
for item in topItems.values():
tree.expandItem(item)
self.setVectorStylesEnabled(False)
def initVectorStyleWidgets(self):
self.colorWidget = StyleWidget(StyleWidget.COLOR)
self.ui.verticalLayout_Styles.addWidget(self.colorWidget)
self.heightWidget = StyleWidget(StyleWidget.HEIGHT)
self.ui.verticalLayout_zCoordinate.addWidget(self.heightWidget)
self.styleWidgets = []
for i in range(self.STYLE_MAX_COUNT):
widget = StyleWidget()
widget.setVisible(False)
self.ui.verticalLayout_Styles.addWidget(widget)
self.styleWidgets.append(widget)
def currentVectorLayerChanged(self, currentItem, previousItem):
# save properties of previous item
if previousItem is not None:
layerid = previousItem.data(0, Qt.UserRole)
if layerid is not None:
self.saveVectorProperties(layerid)
layerid = currentItem.data(0, Qt.UserRole)
if layerid is None:
self.currentVectorLayer = None
return
self.currentVectorLayer = layer = QgsMapLayerRegistry().instance().mapLayer(layerid)
if layer is None:
return
for i in range(self.STYLE_MAX_COUNT):
self.styleWidgets[i].hide()
obj_types = self.objectTypeManager.objectTypeNames(layer.geometryType())
ui = self.ui
ui.comboBox_ObjectType.blockSignals(True)
ui.comboBox_ObjectType.clear()
ui.comboBox_ObjectType.addItems(obj_types)
ui.comboBox_ObjectType.blockSignals(False)
# set up property widgets
self.objectTypeSelectionChanged()
if layerid in self.vectorPropertiesDict:
# restore properties
self.restoreVectorProperties(layerid)
self.setVectorStylesEnabled(currentItem.data(0, Qt.CheckStateRole) == Qt.Checked)
def vectorLayerItemChanged(self, item, column):
# update style form enablement
currentItem = self.ui.treeWidget_VectorLayers.currentItem()
if currentItem:
self.setVectorStylesEnabled(currentItem.data(0, Qt.CheckStateRole) == Qt.Checked)
def objectTypeSelectionChanged(self, idx=None):
layer = self.currentVectorLayer
try:
ve = float(ui.lineEdit_zFactor.text())
except:
ve = 1
mapTo3d = MapTo3D(self.iface.mapCanvas(), verticalExaggeration=ve)
self.objectTypeManager.setupForm(self, mapTo3d, layer, layer.geometryType(), self.ui.comboBox_ObjectType.currentIndex())
def numericFields(self, layer):
# get attributes of a sample feature and create numeric field name list
numeric_fields = []
f = QgsFeature()
layer.getFeatures().nextFeature(f)
for field in f.fields():
isNumeric = False
try:
float(f.attribute(field.name()))
isNumeric = True
except:
pass
if isNumeric:
numeric_fields.append(field.name())
return numeric_fields
def setVectorStylesEnabled(self, enabled):
self.ui.comboBox_ObjectType.setEnabled(enabled)
self.ui.label_ObjectType.setEnabled(enabled)
self.colorWidget.setEnabled(enabled)
self.heightWidget.setEnabled(enabled)
for i in range(self.STYLE_MAX_COUNT):
self.styleWidgets[i].setEnabled(enabled)
def saveVectorProperties(self, layerid):
properties = {}
layer = QgsMapLayerRegistry().instance().mapLayer(layerid)
itemIndex = self.ui.comboBox_ObjectType.currentIndex()
properties["itemindex"] = itemIndex
properties["typeitem"] = self.objectTypeManager.objectTypeItem(layer.geometryType(), itemIndex)
properties["visible"] = self.vlItems[self.currentVectorLayer.id()].data(0, Qt.CheckStateRole) == Qt.Checked
properties["color"] = self.colorWidget.values()
properties["height"] = self.heightWidget.values()
for i in range(self.STYLE_MAX_COUNT):
if self.styleWidgets[i].isVisible():
properties[i] = self.styleWidgets[i].values()
self.vectorPropertiesDict[layerid] = properties
def restoreVectorProperties(self, layerid):
properties = self.vectorPropertiesDict[layerid]
self.ui.comboBox_ObjectType.setCurrentIndex(properties["itemindex"])
self.colorWidget.setValues(properties["color"])
self.heightWidget.setValues(properties["height"])
for i in range(self.STYLE_MAX_COUNT):
if i in properties:
self.styleWidgets[i].setValues(properties[i])
def calculateResolution(self, v=None):
extent = self.iface.mapCanvas().extent()
renderer = self.iface.mapCanvas().mapRenderer()
size = 100 * self.ui.horizontalSlider_Resolution.value()
self.ui.label_Resolution.setText("about {0} x {0} px".format(size))
# calculate resolution and size
width, height = renderer.width(), renderer.height()
s = (size * size / float(width * height)) ** 0.5
if s < 1:
width = int(width * s)
height = int(height * s)
xres = extent.width() / width
yres = extent.height() / height
self.ui.lineEdit_HRes.setText(str(xres))
self.ui.lineEdit_VRes.setText(str(yres))
self.ui.lineEdit_Width.setText(str(width + 1))
self.ui.lineEdit_Height.setText(str(height + 1))
def progress(self, percentage):
self.ui.progressBar.setValue(percentage)
self.ui.progressBar.setVisible(percentage != 100)
def run(self):
ui = self.ui
filename = ui.lineEdit_OutputFilename.text() # ""=Temporary file
if filename != "" and QFileInfo(filename).exists() and QMessageBox.question(None, "Qgis2threejs", "Output file already exists. Overwrite it?", QMessageBox.Ok | QMessageBox.Cancel) != QMessageBox.Ok:
return
self.endPointSelection()
item = ui.treeWidget_VectorLayers.currentItem()
if item:
self.saveVectorProperties(item.data(0, Qt.UserRole))
ui.pushButton_Run.setEnabled(False)
self.progress(0)
canvas = self.iface.mapCanvas()
htmlfilename = ui.lineEdit_OutputFilename.text()
demlayerid = ui.comboBox_DEMLayer.itemData(ui.comboBox_DEMLayer.currentIndex())
mapTo3d = MapTo3D(canvas, verticalExaggeration=float(ui.lineEdit_zFactor.text()))
if self.ui.radioButton_Simple.isChecked():
dem_width = int(ui.lineEdit_Width.text())
dem_height = int(ui.lineEdit_Height.text())
context = OutputContext(mapTo3d, canvas, demlayerid, self.vectorPropertiesDict, self.objectTypeManager, self.localBrowsingMode,
dem_width, dem_height)
htmlfilename = runSimple(htmlfilename, context, self.progress)
else:
context = OutputContext(mapTo3d, canvas, demlayerid, self.vectorPropertiesDict, self.objectTypeManager, self.localBrowsingMode)
htmlfilename = runAdvanced(htmlfilename, context, self, self.progress)
self.progress(100)
ui.pushButton_Run.setEnabled(True)
if htmlfilename is None:
return
self.clearRubberBands()
if not tools.openHTMLFile(htmlfilename):
return
QDialog.accept(self)
def reject(self):
self.endPointSelection()
self.clearRubberBands()
QDialog.reject(self)
def startPointSelection(self):
canvas = self.iface.mapCanvas()
self.previousMapTool = canvas.mapTool()
canvas.setMapTool(self.mapTool)
self.ui.toolButton_PointTool.setVisible(False)
def endPointSelection(self):
self.mapTool.reset()
self.iface.mapCanvas().setMapTool(self.previousMapTool)
def rectangleSelected(self):
ui = self.ui
ui.radioButton_Advanced.setChecked(True)
rect = self.mapTool.rectangle()
toRect = rect.width() and rect.height()
self.switchFocusMode(toRect)
ui.lineEdit_xmin.setText(str(rect.xMinimum()))
ui.lineEdit_ymin.setText(str(rect.yMinimum()))
ui.lineEdit_xmax.setText(str(rect.xMaximum()))
ui.lineEdit_ymax.setText(str(rect.yMaximum()))
quadtree = QuadTree(self.iface.mapCanvas().extent())
quadtree.buildTreeByRect(rect, self.ui.spinBox_Height.value())
self.createRubberBands(quadtree.quads(), rect.center())
self.setWindowState(self.windowState() & ~Qt.WindowMinimized | Qt.WindowActive)
def pointSelected(self):
# set values of controls
self.ui.lineEdit_CenterX.setText(str(self.mapTool.point.x()))
self.ui.lineEdit_CenterY.setText(str(self.mapTool.point.y()))
self.ui.radioButton_Advanced.setChecked(True)
quadtree = QuadTree(self.iface.mapCanvas().extent(), self.mapTool.point, self.ui.spinBox_Height.value())
self.createRubberBands(quadtree.quads(), self.mapTool.point)
self.setWindowState(self.windowState() & ~Qt.WindowMinimized | Qt.WindowActive)
def mapToolSet(self, mapTool):
if mapTool != self.mapTool:
self.ui.toolButton_PointTool.setVisible(True)
def createQuadTree(self):
ui = self.ui
try:
c = map(float, [ui.lineEdit_xmin.text(), ui.lineEdit_ymin.text(), ui.lineEdit_xmax.text(), ui.lineEdit_ymax.text()])
except:
return None
quadtree = QuadTree(self.iface.mapCanvas().extent())
quadtree.buildTreeByRect(QgsRectangle(c[0], c[1], c[2], c[3]), ui.spinBox_Height.value())
return quadtree
def createRubberBands(self, quads, point=None):
self.clearRubberBands()
# create quads with rubber band
self.rb_quads = QgsRubberBand(self.iface.mapCanvas(), QGis.Line)
self.rb_quads.setColor(Qt.blue)
self.rb_quads.setWidth(1)
for quad in quads:
points = []
extent = quad.extent
points.append(QgsPoint(extent.xMinimum(), extent.yMinimum()))
points.append(QgsPoint(extent.xMinimum(), extent.yMaximum()))
points.append(QgsPoint(extent.xMaximum(), extent.yMaximum()))
points.append(QgsPoint(extent.xMaximum(), extent.yMinimum()))
self.rb_quads.addGeometry(QgsGeometry.fromPolygon([points]), None)
self.log(extent.toString())
self.log("Quad count: %d" % len(quads))
# create a point with rubber band
if point:
self.rb_point = QgsRubberBand(self.iface.mapCanvas(), QGis.Point)
self.rb_point.setColor(Qt.red)
self.rb_point.addPoint(point)
def clearRubberBands(self):
# clear quads and point
if self.rb_quads:
self.iface.mapCanvas().scene().removeItem(self.rb_quads)
self.rb_quads = None
if self.rb_point:
self.iface.mapCanvas().scene().removeItem(self.rb_point)
self.rb_point = None
def browseClicked(self):
directory = self.ui.lineEdit_OutputFilename.text()
if directory == "":
directory = QDir.homePath()
filename = QFileDialog.getSaveFileName(self, self.tr("Output filename"), directory, "HTML file (*.html *.htm)", options=QFileDialog.DontConfirmOverwrite)
if filename != "":
self.ui.lineEdit_OutputFilename.setText(filename)
def samplingModeChanged(self):
ui = self.ui
isSimpleMode = ui.radioButton_Simple.isChecked()
simple_widgets = [ui.horizontalSlider_Resolution, ui.lineEdit_Width, ui.lineEdit_Height, ui.lineEdit_HRes, ui.lineEdit_VRes]
for w in simple_widgets:
w.setEnabled(isSimpleMode)
isAdvancedMode = not isSimpleMode
advanced_widgets = [ui.spinBox_Height, ui.lineEdit_xmin, ui.lineEdit_ymin, ui.lineEdit_xmax, ui.lineEdit_ymax, ui.toolButton_switchFocusMode]
for w in advanced_widgets:
w.setEnabled(isAdvancedMode)
def updateQuads(self, v=None):
quadtree = self.createQuadTree()
if quadtree:
self.createRubberBands(quadtree.quads(), quadtree.focusRect.center())
else:
self.clearRubberBands()
def switchFocusModeClicked(self):
self.switchFocusMode(not self.ui.label_xmin.isVisible())
def switchFocusMode(self, toRect):
ui = self.ui
toPoint = not toRect
ui.label_xmin.setVisible(toRect)
ui.label_ymin.setVisible(toRect)
ui.lineEdit_xmin.setVisible(toRect)
ui.lineEdit_ymin.setVisible(toRect)
suffix = "max" if toRect else ""
ui.label_xmax.setText("x" + suffix)
ui.label_ymax.setText("y" + suffix)
mode = "point" if toRect else "rectangle"
ui.toolButton_switchFocusMode.setText("To " + mode + " selection")
selection = "area" if toRect else "point"
action = "Stroke a rectangle" if toRect else "Click"
ui.label_Focus.setText("Focus {0} ({1} on map canvas to set values)".format(selection, action))
def log(self, msg):
if debug_mode:
qDebug(msg)
def draw(self, rows, con, args, geomType, canvasItemList, mapCanvas):
''' draw the result '''
resultPathsRubberBands = canvasItemList['paths']
rubberBand = None
cur_path_id = -1
i = 0
count = len(rows)
ids = args['ids'].split(',')
args['last_id'] = ids[len(ids) - 1]
pcts = args['pcts'].split(',')
pct_idx = 0
for row in rows:
cur2 = con.cursor()
args['result_path_id'] = row[1]
args['result_node_id'] = row[2]
args['result_edge_id'] = row[3]
args['result_cost'] = row[4]
if args['result_path_id'] != cur_path_id:
cur_path_id = args['result_path_id']
if rubberBand:
resultPathsRubberBands.append(rubberBand)
rubberBand = None
rubberBand = QgsRubberBand(mapCanvas,
Utils.getRubberBandType(False))
rubberBand.setColor(QColor(255, 0, 0, 128))
rubberBand.setWidth(4)
query2 = ""
if i < (count - 1):
args['result_next_path_id'] = rows[i + 1][1]
args['result_next_node_id'] = rows[i + 1][2]
if args['result_next_path_id'] != args['result_path_id']:
pct_idx += 1
elif i == (count - 1):
pct_idx = len(pcts) - 1
args['current_pct'] = pcts[pct_idx]
if i == 0 and args['result_node_id'] == -1:
query2 = """
SELECT ST_AsText(%(transform_s)sST_Line_Substring(%(geometry)s, %(current_pct)s, 1.0)%(transform_e)s) FROM %(edge_table)s
WHERE %(target)s = %(result_next_node_id)s AND %(id)s = %(result_edge_id)s
UNION
SELECT ST_AsText(%(transform_s)sST_Line_Substring(ST_Reverse(%(geometry)s), 1.0 - %(current_pct)s, 1.0)%(transform_e)s) FROM %(edge_table)s
WHERE %(source)s = %(result_next_node_id)s AND %(id)s = %(result_edge_id)s;
""" % args
elif i < (count - 1) and (
args['result_path_id'] != args['result_next_path_id']
) and (args['result_node_id'] == args['result_next_node_id']):
# round trip case
query2 = """
SELECT ST_AsText(ST_LineMerge(ST_Collect(ARRAY[
(
SELECT ST_AsText(%(transform_s)sST_Line_Substring(%(geometry)s, 0.0, %(current_pct)s)%(transform_e)s) FROM %(edge_table)s
WHERE %(source)s = %(result_node_id)s AND %(id)s = %(result_edge_id)s
UNION
SELECT ST_AsText(%(transform_s)sST_Line_Substring(ST_Reverse(%(geometry)s), 0.0, 1.0 - %(current_pct)s)%(transform_e)s) FROM %(edge_table)s
WHERE %(target)s = %(result_node_id)s AND %(id)s = %(result_edge_id)s
),
(
SELECT ST_AsText(%(transform_s)sST_Reverse(ST_Line_Substring(%(geometry)s, 0.0, %(current_pct)s))%(transform_e)s) FROM %(edge_table)s
WHERE %(source)s = %(result_node_id)s AND %(id)s = %(result_edge_id)s
UNION
SELECT ST_AsText(%(transform_s)sST_Reverse(ST_Line_Substring(ST_Reverse(%(geometry)s), 0.0, 1.0 - %(current_pct)s))%(transform_e)s) FROM %(edge_table)s
WHERE %(target)s = %(result_node_id)s AND %(id)s = %(result_edge_id)s
)])));
""" % args
elif i == (count - 1) and (
(args['result_edge_id'] == -1) or
(str(args['result_edge_id']) == args['last_id'])):
if args['result_edge_id'] != -1:
query2 = """
SELECT ST_AsText(%(transform_s)sST_Line_Substring(%(geometry)s, 0.0, %(current_pct)s)%(transform_e)s) FROM %(edge_table)s
WHERE %(source)s = %(result_node_id)s AND %(id)s = %(result_edge_id)s
UNION
SELECT ST_AsText(%(transform_s)sST_Line_Substring(ST_Reverse(%(geometry)s), 0.0, 1.0 - %(current_pct)s)%(transform_e)s) FROM %(edge_table)s
WHERE %(target)s = %(result_node_id)s AND %(id)s = %(result_edge_id)s;
""" % args
else:
break
else:
query2 = """
SELECT ST_AsText(%(transform_s)s%(geometry)s%(transform_e)s) FROM %(edge_table)s
WHERE %(source)s = %(result_node_id)d AND %(id)s = %(result_edge_id)d
UNION
SELECT ST_AsText(%(transform_s)sST_Reverse(%(geometry)s)%(transform_e)s) FROM %(edge_table)s
WHERE %(target)s = %(result_node_id)d AND %(id)s = %(result_edge_id)d;
""" % args
##Utils.logMessage(query2)
cur2.execute(query2)
row2 = cur2.fetchone()
##Utils.logMessage(str(row2[0]))
assert row2, "Invalid result geometry. (node_id:%(result_node_id)d, edge_id:%(result_edge_id)d)" % args
geom = QgsGeometry().fromWkt(str(row2[0]))
if geom.wkbType() == QgsWkbTypes.MultiLineString:
for line in geom.asMultiPolyline():
for pt in line:
rubberBand.addPoint(pt)
elif geom.wkbType() == QgsWkbTypes.LineString:
for pt in geom.asPolyline():
rubberBand.addPoint(pt)
i = i + 1
if rubberBand:
resultPathsRubberBands.append(rubberBand)
rubberBand = None
class DsgLineTool(QgsMapTool):
lineCreated = pyqtSignal(QgsGeometry)
def __init__(self, canvas):
"""
Constructor
"""
super(DsgLineTool, self).__init__(canvas)
self.canvas = canvas
self.rubberBand = None
self.reset()
def deactivate(self):
"""
Deativates this tool
"""
self.canvas.scene().removeItem(self.rubberBand)
super(DsgLineTool, self).deactivate()
def defineRubberBand(self):
"""
Defines the rubber band style
"""
settings = QSettings()
myRed = int(settings.value("/qgis/default_measure_color_red", 222))
myGreen = int(settings.value("/qgis/default_measure_color_green", 155))
myBlue = int(settings.value("/qgis/default_measure_color_blue", 67))
self.rubberBand = QgsRubberBand(self.canvas)
self.rubberBand.setColor(QColor(myRed, myGreen, myBlue, 100))
self.rubberBand.setWidth(3)
def reset(self):
"""
Resets the tool
"""
if self.rubberBand:
self.rubberBand.reset(QGis.Line)
self.isEmittingPoint = False
self.defineRubberBand()
def canvasPressEvent(self, e):
"""
Reimplementation to add a point to the rubber band or reset it
"""
if self.isEmittingPoint:
point = self.snapPoint(e.pos())
self.rubberBand.addPoint(point, True)
else:
self.reset()
self.isEmittingPoint = True
def canvasReleaseEvent(self, e):
"""
Reimplementation to add a vertex to the rubber band or to finish the rubber band according to the button used
"""
point = self.snapPoint(e.pos())
if e.button() == Qt.RightButton:
geom = self.rubberBand.asGeometry()
self.reset()
self.lineCreated.emit(geom)
elif e.button() == Qt.LeftButton:
self.isEmittingPoint = True
self.rubberBand.addPoint(point, True)
def canvasMoveEvent(self, e):
"""
Reimplementation to move the rubber band
"""
if not self.isEmittingPoint:
return
point = self.snapPoint(e.pos())
self.rubberBand.movePoint(point)
def snapPoint(self, p):
"""
Reimplementation to make use of the snap
"""
m = self.canvas.snappingUtils().snapToMap(p)
if m.isValid():
return m.point()
else:
return self.canvas.getCoordinateTransform().toMapCoordinates(p)
class QgepMapToolDigitizeDrainageChannel(QgsMapTool):
'''
This is used to digitize a drainage channel.
It lets you digitize two points and then creates a polygon based on these two points
by adding an orthogonal offset at each side.
Input:
x==============x
Output:
----------------
| |
----------------
Usage:
Connect to the signals deactivated() and geometryDigitized()
If geometryDigitized() is called you can use the member variable geometry
which will contain a rectangle polygon
deactivated() will be emited after a right click
'''
geometryDigitized = pyqtSignal()
def __init__(self, iface, layer):
QgsMapTool.__init__(self, iface.mapCanvas())
self.iface = iface
self.canvas = iface.mapCanvas()
self.layer = layer
self.rubberband = QgsRubberBand(iface.mapCanvas(), QGis.Line)
self.rubberband.setColor(QColor("#ee5555"))
self.rubberband.setWidth(2)
self.firstPoint = None
self.messageBarItem = None
self.geometry = None
def activate(self):
"""
Map tool is activated
"""
QgsMapTool.activate(self)
self.canvas.setCursor(QCursor(Qt.CrossCursor))
msgtitle = self.tr('Digitizing Drainage Channel')
msg = self.tr('Digitize start and end point. Rightclick to abort.')
self.messageBarItem = QgsMessageBar.createMessage(msgtitle,
msg)
self.iface.messageBar().pushItem(self.messageBarItem)
def deactivate(self):
"""
Map tool is deactivated
"""
QgsMapTool.deactivate(self)
self.iface.messageBar().popWidget(self.messageBarItem)
try:
self.iface.mapCanvas().scene().removeItem(self.rubberband)
del self.rubberband
except AttributeError:
# Called repeatedly... bail out
pass
self.canvas.unsetCursor()
def canvasMoveEvent(self, event):
"""
Mouse is moved: Update rubberband
:param event: coordinates etc.
"""
mousepos = self.canvas.getCoordinateTransform()\
.toMapCoordinates(event.pos().x(), event.pos().y())
self.rubberband.movePoint(mousepos)
def canvasReleaseEvent(self, event):
"""
Canvas is released. This means:
* start digitizing
* stop digitizing (create a rectangle
* if the Ctrl-modifier is pressed, ask for the rectangle width
:param event: coordinates etc.
"""
if event.button() == Qt.RightButton:
self.deactivate()
else:
mousepos = self.canvas.getCoordinateTransform()\
.toMapCoordinates(event.pos().x(), event.pos().y())
self.rubberband.addPoint(mousepos)
if self.firstPoint: # If the first point was set before, we are doing the second one
lp1 = self.rubberband.asGeometry().asPolyline()[0]
lp2 = self.rubberband.asGeometry().asPolyline()[1]
width = 0.2
if QApplication.keyboardModifiers() & Qt.ControlModifier:
dlg = QDialog()
dlg.setLayout(QGridLayout())
dlg.layout().addWidget(QLabel(self.tr('Enter width')))
txt = QLineEdit('0.2')
dlg.layout().addWidget(txt)
bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
dlg.layout().addWidget(bb)
bb.accepted.connect(dlg.accept)
bb.rejected.connect(dlg.reject)
if dlg.exec_():
try:
width = float(txt.text())
except ValueError:
width = 0.2
length = math.sqrt(math.pow(lp1.x() - lp2.x(), 2) + math.pow(lp1.y() - lp2.y(), 2))
xd = lp2.x() - lp1.x()
yd = lp2.y() - lp1.y()
pt1 = QgsPoint(lp1.x() + width * (yd / length), lp1.y() - width * (xd / length))
pt2 = QgsPoint(lp1.x() - width * (yd / length), lp1.y() + width * (xd / length))
pt3 = QgsPoint(lp2.x() - width * (yd / length), lp2.y() + width * (xd / length))
pt4 = QgsPoint(lp2.x() + width * (yd / length), lp2.y() - width * (xd / length))
self.geometry = QgsGeometry.fromPolygon([[pt1, pt2, pt3, pt4, pt1]])
self.geometryDigitized.emit()
self.firstPoint = mousepos
class MeasureDistanceTool(QgsMapTool):
finished = pyqtSignal()
def __init__(self, canvas, msglog):
super().__init__(canvas)
self.canvas = canvas
self.msglog = msglog
self.start_point = self.end_point = None
self.rubber_band = QgsRubberBand(self.canvas, QgsWkbTypes.LineGeometry)
self.rubber_band.setColor(QColor(255, 0, 0, 100))
self.rubber_band.setWidth(3)
self.rubber_band_points = QgsRubberBand(self.canvas,
QgsWkbTypes.PointGeometry)
self.rubber_band_points.setIcon(QgsRubberBand.ICON_CIRCLE)
self.rubber_band_points.setIconSize(10)
self.rubber_band_points.setColor(QColor(255, 0, 0, 150))
crs = self.canvas.mapSettings().destinationCrs()
self.distance_calc = QgsDistanceArea()
self.distance_calc.setSourceCrs(
crs,
QgsProject.instance().transformContext())
self.distance_calc.setEllipsoid(crs.ellipsoidAcronym())
self.reset()
def reset(self):
self.msglog.logMessage("")
self.start_point = self.end_point = None
self.rubber_band.reset(QgsWkbTypes.LineGeometry)
self.rubber_band_points.reset(QgsWkbTypes.PointGeometry)
def canvasPressEvent(self, event):
pass
def canvasReleaseEvent(self, event):
transform = self.canvas.getCoordinateTransform()
point = transform.toMapCoordinates(event.pos().x(), event.pos().y())
if self.start_point:
self.end_point = point
self.rubber_band.addPoint(self.end_point)
self.rubber_band_points.addPoint(self.end_point)
distance = self.distance_calc.measureLine(
[self.start_point, self.end_point])
bearing = self.distance_calc.bearing(self.start_point, point)
distancemsg = QMessageBox(self.parent())
distancemsg.finished.connect(self.deactivate)
distancemsg.setWindowTitle("Measure tool")
distancemsg.setText("Distance: {:.3F} m. Bearing: {:.3F} º".format(
distance, degrees(bearing)))
distancemsg.exec()
self.finish()
else:
self.start_point = point
self.rubber_band.addPoint(self.start_point)
self.rubber_band_points.addPoint(self.start_point)
def canvasMoveEvent(self, e):
if self.start_point and not self.end_point:
transform = self.canvas.getCoordinateTransform()
point = transform.toMapCoordinates(e.pos().x(), e.pos().y())
self.rubber_band.movePoint(point)
distance = self.distance_calc.measureLine(
[self.start_point, point])
bearing = self.distance_calc.bearing(self.start_point, point)
self.msglog.logMessage("")
self.msglog.logMessage(
"Current distance: {:.3F} m. Bearing: {:.3F} º".format(
distance, degrees(bearing)), "Measure distance:", 0)
def keyPressEvent(self, event):
"""
When escape key is pressed, line is restarted
"""
if event.key() == Qt.Key_Escape:
self.reset()
def finish(self):
self.reset()
self.finished.emit()
class PolygonMapTool(QgsMapToolEmitPoint):
def __init__(self, MapExplorer):
self.mainWindow = MapExplorer
self.canvas = MapExplorer.mapCanvas
self.rasterlayer = MapExplorer.layer
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.rubberBand = QgsRubberBand(self.canvas, True)
self.rubberBand.setColor(QColor(255, 0, 0))
self.rubberBand.setWidth(1)
self.tmpRubberBand = QgsRubberBand(self.canvas, True)
self.tmpRubberBand.setColor(QColor(255, 0, 0))
self.tmpRubberBand.setWidth(1)
self.categories = []
self.reset()
self.methodsDict = {
"最小距离": self.MinDistance,
"最大似然": self.MaxLikelihood,
"马氏距离": self.Mahalanobis,
"支持向量机": self.SVM,
"神经网络": self.ANN,
"随机森林": self.RandomForest,
"AdaBoost": self.AdaBoost
}
def reset(self):
self.isEmittingPoint = False
self.chooseComplete = False
self.rubberBand.reset(QgsWkbTypes.PolygonGeometry)
self.tmpRubberBand.reset(True)
def canvasReleaseEvent(self, e):
current_point = self.toMapCoordinates(e.pos())
if e.button() == Qt.LeftButton:
self.isEmittingPoint = True
self.tmpRubberBand.addPoint(current_point, True)
elif e.button() == Qt.RightButton:
if self.tmpRubberBand.numberOfVertices() > 2:
lineString = self.tmpRubberBand.asGeometry(
) # type:QgsGeometry
self.tmpRubberBand.reset(True)
self.rubberBand.addGeometry(
QgsGeometry.convertToType(lineString,
QgsWkbTypes.PolygonGeometry))
self.rubberBand.setColor(QColor(255, 0, 0, 50))
self.rubberBand.show()
self.isEmittingPoint = False
self.chooseComplete = True
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.tmpRubberBand.removeLastPoint(doUpdate=False)
point = self.toMapCoordinates(e.pos())
self.tmpRubberBand.addPoint(point, True)
def keyReleaseEvent(self, e):
if self.isEmittingPoint:
if e.key() == Qt.Key_Backspace:
self.tmpRubberBand.removeLastPoint(doUpdate=True)
if self.chooseComplete:
if e.key() + 1 == Qt.Key_Enter: # 为啥会差一呢
self.saveMask()
self.reset()
reply = QMessageBox.question(None, '提示', '继续加入类别？',
QMessageBox.Yes | QMessageBox.No)
if reply == QMessageBox.No:
for category in self.categories:
maskFile = f'mask/{category["name"]}_clip_mask.shp'
sampleFile = f'samples/{category["name"]}.tif'
if os.path.exists(sampleFile):
os.remove(sampleFile)
cmd = f'gdalwarp -of GTiff -cutline {maskFile} -cl {category["name"]}_clip_mask -crop_to_cutline -dstnodata 0 {self.rasterlayer.dataProvider().dataSourceUri()} {sampleFile}'
os.system(cmd)
dlg = Select_Dialog()
dlg.exec_()
self.methodsDict[dlg.chosen]()
def saveMask(self):
dlg = QInputDialog()
dlg.setModal(True)
text, okPressed = dlg.getText(None, "类别标记", "输入该样本类别名:",
QLineEdit.Normal, "")
while text == '':
QMessageBox.warning(None, '输入警告', '未输入任何内容！')
text, okPressed = dlg.getText(None, "类别标记", "输入该样本类别名:",
QLineEdit.Normal, "")
if okPressed:
self.chooseComplete = False
color = QColorDialog.getColor()
maskLayer = QgsVectorLayer("Polygon", "clip_mask", "memory")
maskLayer.setCrs(self.rasterlayer.crs())
pr = maskLayer.dataProvider() # type:QgsVectorDataProvider
pr.addAttributes([QgsField("类别名", QVariant.String)])
maskLayer.updateFields()
fet = QgsFeature()
print(self.rubberBand.asGeometry())
fet.setGeometry(self.rubberBand.asGeometry())
fet.setAttributes([text])
pr.addFeatures([fet])
maskLayer.updateExtents()
maskFile = f'mask/{text}_clip_mask.shp'
if os.path.exists(maskFile):
os.remove(maskFile) # 文件存在的话就替换一下
QgsVectorFileWriter.writeAsVectorFormat(
layer=maskLayer,
fileName=maskFile,
fileEncoding='utf-8',
destCRS=self.rasterlayer.crs(),
driverName="ESRI Shapefile")
self.categories.append({"name": text, "color": color})
def MinDistance(self):
count_categories = len(self.categories) # 类别数
raster_source = self.rasterlayer.dataProvider().dataSourceUri(
) # 源图像地址
raster_dataset = gdal.Open(raster_source) # type:gdal.Dataset
bandCount = raster_dataset.RasterCount
raster_arr = raster_dataset.ReadAsArray()
all_md = np.zeros(shape=(count_categories, raster_arr.shape[1],
raster_arr.shape[2]),
dtype=np.float64)
for i in range(count_categories):
category = self.categories[i]
path = f'samples/{category["name"]}.tif'
dataset_arr = gdal.Open(path).ReadAsArray()
mask = np.all(dataset_arr == 0, axis=0)
pixels = dataset_arr[:, ~mask] # type:np.ndarray
# shape of pixels:(bandCount,number of sample pixels)
mean = np.mean(pixels, axis=1)
# shape of mean:(bandCount,)
raster_arr_minus_mean = raster_arr - mean.reshape(bandCount, 1, 1)
md = (raster_arr_minus_mean**2).sum(axis=0)
all_md[i, :, :] = md
min_md = np.argmin(all_md, axis=0)
classification_result = np.zeros(shape=(min_md.shape[0],
min_md.shape[1], 3),
dtype=np.int)
for i in range(min_md.shape[0]):
for j in range(min_md.shape[1]):
classification_result[i, j, :] = self.categories[min_md[
i, j]]["color"].getRgb()[:3]
driver = gdal.GetDriverByName('GTiff')
save_path, format = QFileDialog.getSaveFileName(
None, '存储分类结果', '', '*.tif')
out_ds = driver.Create(save_path, raster_dataset.RasterXSize,
raster_dataset.RasterYSize, 3, gdal.GDT_Byte)
out_ds.SetProjection(raster_dataset.GetProjection())
out_ds.SetGeoTransform(raster_dataset.GetGeoTransform())
for i in range(3):
out_band = out_ds.GetRasterBand(i + 1)
out_band.WriteArray(classification_result[:, :, i])
out_band.ComputeStatistics(False)
out_ds.FlushCache()
self.mainWindow.loadMap(save_path, self.categories)
def MaxLikelihood(self):
count_categories = len(self.categories) # 类别数
raster_source = self.rasterlayer.dataProvider().dataSourceUri(
) # 源图像地址
raster_dataset = gdal.Open(raster_source) # type:gdal.Dataset
bandCount = raster_dataset.RasterCount
raster_arr = raster_dataset.ReadAsArray()
all_md = np.zeros(shape=(count_categories, raster_arr.shape[1],
raster_arr.shape[2]),
dtype=np.float64)
for i in range(count_categories):
category = self.categories[i]
path = f'samples/{category["name"]}.tif'
dataset_arr = gdal.Open(path).ReadAsArray()
mask = np.all(dataset_arr == 0, axis=0)
pixels = dataset_arr[:, ~mask] # type:np.ndarray
# shape of pixels:(bandCount,number of sample pixels)
cov = np.cov(m=pixels, rowvar=True, bias=False)
# shape of cov:(bandCount,bandCount)
mean = np.mean(pixels, axis=1)
# shape of mean:(bandCount,)
raster_arr_minus_mean = raster_arr - mean.reshape(bandCount, 1, 1)
tmp = np.tensordot(np.linalg.inv(cov),
raster_arr_minus_mean,
axes=[[1], [0]])
md = (tmp * raster_arr_minus_mean).sum(axis=0) * (-0.5)
all_md[i, :, :] = md
max_md = np.argmax(all_md, axis=0)
classification_result = np.zeros(shape=(max_md.shape[0],
max_md.shape[1], 3),
dtype=np.int)
for i in range(max_md.shape[0]):
for j in range(max_md.shape[1]):
classification_result[i, j, :] = self.categories[max_md[
i, j]]["color"].getRgb()[:3]
driver = gdal.GetDriverByName('GTiff')
save_path, format = QFileDialog.getSaveFileName(
None, '存储分类结果', '', '*.tif')
out_ds = driver.Create(save_path, raster_dataset.RasterXSize,
raster_dataset.RasterYSize, 3, gdal.GDT_Byte)
out_ds.SetProjection(raster_dataset.GetProjection())
out_ds.SetGeoTransform(raster_dataset.GetGeoTransform())
for i in range(3):
out_band = out_ds.GetRasterBand(i + 1)
out_band.WriteArray(classification_result[:, :, i])
out_band.ComputeStatistics(False)
out_ds.FlushCache()
self.mainWindow.loadMap(save_path, self.categories)
def Mahalanobis(self):
count_categories = len(self.categories) # 类别数
raster_source = self.rasterlayer.dataProvider().dataSourceUri(
) # 源图像地址
raster_dataset = gdal.Open(raster_source) # type:gdal.Dataset
bandCount = raster_dataset.RasterCount
raster_arr = raster_dataset.ReadAsArray()
all_md = np.zeros(shape=(count_categories, raster_arr.shape[1],
raster_arr.shape[2]),
dtype=np.float64)
for i in range(count_categories):
category = self.categories[i]
path = f'samples/{category["name"]}.tif'
dataset_arr = gdal.Open(path).ReadAsArray()
mask = np.all(dataset_arr == 0, axis=0)
pixels = dataset_arr[:, ~mask] # type:np.ndarray
# shape of pixels:(bandCount,number of sample pixels)
cov = np.cov(m=pixels, rowvar=True, bias=False)
# shape of cov:(bandCount,bandCount)
mean = np.mean(pixels, axis=1)
# shape of mean:(bandCount,)
raster_arr_minus_mean = raster_arr - mean.reshape(bandCount, 1, 1)
tmp = np.tensordot(np.linalg.inv(cov),
raster_arr_minus_mean,
axes=[[1], [0]])
md = (tmp * raster_arr_minus_mean).sum(axis=0)
all_md[i, :, :] = md
min_md = np.argmin(all_md, axis=0)
classification_result = np.zeros(shape=(min_md.shape[0],
min_md.shape[1], 3),
dtype=np.int)
for i in range(min_md.shape[0]):
for j in range(min_md.shape[1]):
classification_result[i, j, :] = self.categories[min_md[
i, j]]["color"].getRgb()[:3]
driver = gdal.GetDriverByName('GTiff')
save_path, format = QFileDialog.getSaveFileName(
None, '存储分类结果', '', '*.tif')
out_ds = driver.Create(save_path, raster_dataset.RasterXSize,
raster_dataset.RasterYSize, 3, gdal.GDT_Byte)
out_ds.SetProjection(raster_dataset.GetProjection())
out_ds.SetGeoTransform(raster_dataset.GetGeoTransform())
for i in range(3):
out_band = out_ds.GetRasterBand(i + 1)
out_band.WriteArray(classification_result[:, :, i])
out_band.ComputeStatistics(False)
out_ds.FlushCache()
self.mainWindow.loadMap(save_path, self.categories)
def SVM(self):
count_categories = len(self.categories)
X = []
Y = []
for i in range(count_categories):
category = self.categories[i]
path = f'samples/{category["name"]}.tif'
dataset_arr = gdal.Open(path).ReadAsArray()
mask = np.all(dataset_arr == 0, axis=0)
pixels = dataset_arr[:, ~mask] # type:np.ndarray
X.append(pixels)
Y.append([i] * pixels.shape[1])
X = np.concatenate(X, axis=1)
Y = np.concatenate(Y)
# clf = svm.SVC(decision_function_shape='ovo',C=1,kernel='rbf',degree=3,gamma='auto')
clf = svm.SVC(decision_function_shape='ovo')
time_start = time.time()
clf.fit(X.transpose(), Y)
time_end = time.time()
print("totally cost", time_end - time_start)
raster_source = self.rasterlayer.dataProvider().dataSourceUri()
raster_dataset = gdal.Open(raster_source) # type:gdal.Dataset
raster_arr = raster_dataset.ReadAsArray()
row = raster_arr.shape[1]
col = raster_arr.shape[2]
classification_result = np.zeros(shape=(row, col, 3))
predicts = clf.predict(
raster_arr.reshape((raster_arr.shape[0], -1)).transpose())
for i in range(row):
for j in range(col):
classification_result[i, j, :] = self.categories[predicts[
i * col + j]]['color'].getRgb()[:3]
driver = gdal.GetDriverByName('GTiff')
save_path, format = QFileDialog.getSaveFileName(
None, '存储分类结果', '', '*.tif')
out_ds = driver.Create(save_path, raster_dataset.RasterXSize,
raster_dataset.RasterYSize, 3, gdal.GDT_Byte)
out_ds.SetProjection(raster_dataset.GetProjection())
out_ds.SetGeoTransform(raster_dataset.GetGeoTransform())
for i in range(3):
out_band = out_ds.GetRasterBand(i + 1)
out_band.WriteArray(classification_result[:, :, i])
out_band.ComputeStatistics(False)
out_ds.FlushCache()
self.mainWindow.loadMap(save_path, self.categories)
def ANN(self):
count_categories = len(self.categories)
raster_source = self.rasterlayer.dataProvider().dataSourceUri()
raster_dataset = gdal.Open(raster_source) # type:gdal.Dataset
raster_arr = raster_dataset.ReadAsArray()
row = raster_arr.shape[1]
col = raster_arr.shape[2]
mean = np.mean(raster_arr, axis=(1, 2))
sigma = np.std(raster_arr, axis=(1, 2))
raster_arr = (raster_arr - mean.reshape(
mean.shape[0], 1, 1)) / sigma.reshape(sigma.shape[0], 1, 1)
X = []
Y = []
for i in range(count_categories):
category = self.categories[i]
path = f'samples/{category["name"]}.tif'
dataset_arr = gdal.Open(path).ReadAsArray()
mask = np.all(dataset_arr == 0, axis=0)
pixels = dataset_arr[:, ~mask] # type:np.ndarray
X.append(pixels)
Y.append([i] * pixels.shape[1])
X = np.concatenate(X, axis=1)
Y = np.concatenate(Y)
X = (X - mean.reshape(mean.shape[0], 1)) / sigma.reshape(
sigma.shape[0], 1) # 标准化
clf = MLPClassifier(solver='adam',
alpha=1e-5,
hidden_layer_sizes=(30, 30),
shuffle=True,
random_state=1)
time_start = time.time()
clf.fit(X.transpose(), Y)
time_end = time.time()
print("totally cost", time_end - time_start)
classification_result = np.zeros(shape=(row, col, 3))
predicts = clf.predict(
raster_arr.reshape((raster_arr.shape[0], -1)).transpose())
for i in range(row):
for j in range(col):
classification_result[i, j, :] = self.categories[predicts[
i * col + j]]['color'].getRgb()[:3]
driver = gdal.GetDriverByName('GTiff')
save_path, format = QFileDialog.getSaveFileName(
None, '存储分类结果', '', '*.tif')
out_ds = driver.Create(save_path, raster_dataset.RasterXSize,
raster_dataset.RasterYSize, 3, gdal.GDT_Byte)
out_ds.SetProjection(raster_dataset.GetProjection())
out_ds.SetGeoTransform(raster_dataset.GetGeoTransform())
for i in range(3):
out_band = out_ds.GetRasterBand(i + 1)
out_band.WriteArray(classification_result[:, :, i])
out_band.ComputeStatistics(False)
out_ds.FlushCache()
self.mainWindow.loadMap(save_path, self.categories)
def RandomForest(self):
count_categories = len(self.categories)
X = []
Y = []
for i in range(count_categories):
category = self.categories[i]
path = f'samples/{category["name"]}.tif'
dataset_arr = gdal.Open(path).ReadAsArray()
mask = np.all(dataset_arr == 0, axis=0)
pixels = dataset_arr[:, ~mask] # type:np.ndarray
X.append(pixels)
Y.append([i] * pixels.shape[1])
X = np.concatenate(X, axis=1)
Y = np.concatenate(Y)
clf = RandomForestClassifier()
time_start = time.time()
clf.fit(X.transpose(), Y)
time_end = time.time()
print("totally cost", time_end - time_start)
raster_source = self.rasterlayer.dataProvider().dataSourceUri()
raster_dataset = gdal.Open(raster_source) # type:gdal.Dataset
raster_arr = raster_dataset.ReadAsArray()
row = raster_arr.shape[1]
col = raster_arr.shape[2]
classification_result = np.zeros(shape=(row, col, 3))
predicts = clf.predict(
raster_arr.reshape((raster_arr.shape[0], -1)).transpose())
for i in range(row):
for j in range(col):
classification_result[i, j, :] = self.categories[predicts[
i * col + j]]['color'].getRgb()[:3]
driver = gdal.GetDriverByName('GTiff')
save_path, format = QFileDialog.getSaveFileName(
None, '存储分类结果', '', '*.tif')
out_ds = driver.Create(save_path, raster_dataset.RasterXSize,
raster_dataset.RasterYSize, 3, gdal.GDT_Byte)
out_ds.SetProjection(raster_dataset.GetProjection())
out_ds.SetGeoTransform(raster_dataset.GetGeoTransform())
for i in range(3):
out_band = out_ds.GetRasterBand(i + 1)
out_band.WriteArray(classification_result[:, :, i])
out_band.ComputeStatistics(False)
out_ds.FlushCache()
self.mainWindow.loadMap(save_path, self.categories)
def AdaBoost(self):
count_categories = len(self.categories)
X = []
Y = []
for i in range(count_categories):
category = self.categories[i]
path = f'samples/{category["name"]}.tif'
dataset_arr = gdal.Open(path).ReadAsArray()
mask = np.all(dataset_arr == 0, axis=0)
pixels = dataset_arr[:, ~mask] # type:np.ndarray
X.append(pixels)
Y.append([i] * pixels.shape[1])
X = np.concatenate(X, axis=1)
Y = np.concatenate(Y)
clf = AdaBoostClassifier(n_estimators=50, random_state=0)
time_start = time.time()
clf.fit(X.transpose(), Y)
time_end = time.time()
print("totally cost", time_end - time_start)
raster_source = self.rasterlayer.dataProvider().dataSourceUri()
raster_dataset = gdal.Open(raster_source) # type:gdal.Dataset
raster_arr = raster_dataset.ReadAsArray()
row = raster_arr.shape[1]
col = raster_arr.shape[2]
classification_result = np.zeros(shape=(row, col, 3))
predicts = clf.predict(
raster_arr.reshape((raster_arr.shape[0], -1)).transpose())
for i in range(row):
for j in range(col):
classification_result[i, j, :] = self.categories[predicts[
i * col + j]]['color'].getRgb()[:3]
driver = gdal.GetDriverByName('GTiff')
save_path, format = QFileDialog.getSaveFileName(
None, '存储分类结果', '', '*.tif')
out_ds = driver.Create(save_path, raster_dataset.RasterXSize,
raster_dataset.RasterYSize, 3, gdal.GDT_Byte)
out_ds.SetProjection(raster_dataset.GetProjection())
out_ds.SetGeoTransform(raster_dataset.GetGeoTransform())
for i in range(3):
out_band = out_ds.GetRasterBand(i + 1)
out_band.WriteArray(classification_result[:, :, i])
out_band.ComputeStatistics(False)
out_ds.FlushCache()
self.mainWindow.loadMap(save_path, self.categories)
def deactivate(self):
super(PolygonMapTool, self).deactivate()
self.deactivated.emit()
self.reset()
class RectangleMapTool(QgsMapToolEmitPoint):
def __init__(self, canvas):
self.canvas = canvas
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.rubberBand = QgsRubberBand(self.canvas, QGis.Polygon)
self.rubberBand.setColor(QColor(255, 0, 0, 180))
self.rubberBand.setWidth(1)
self.reset()
def reset(self):
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
self.rubberBand.reset(QGis.Polygon)
def canvasPressEvent(self, e):
self.startPoint = self.toMapCoordinates(e.pos())
self.endPoint = self.startPoint
self.isEmittingPoint = True
self.showRect(self.startPoint, self.endPoint)
def canvasReleaseEvent(self, e):
self.isEmittingPoint = False
self.emit(SIGNAL("rectangleCreated()"))
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.endPoint = self.toMapCoordinates(e.pos())
self.showRect(self.startPoint, self.endPoint)
def showRect(self, startPoint, endPoint):
self.rubberBand.reset(QGis.Polygon)
if startPoint.x() == endPoint.x() or startPoint.y() == endPoint.y():
return
point1 = QgsPoint(startPoint.x(), startPoint.y())
point2 = QgsPoint(startPoint.x(), endPoint.y())
point3 = QgsPoint(endPoint.x(), endPoint.y())
point4 = QgsPoint(endPoint.x(), startPoint.y())
self.rubberBand.addPoint(point1, False)
self.rubberBand.addPoint(point2, False)
self.rubberBand.addPoint(point3, False)
self.rubberBand.addPoint(point4, True) # true to update canvas
self.rubberBand.show()
def rectangle(self):
if self.startPoint == None or self.endPoint == None:
return None
#elif self.startPoint.x() == self.endPoint.x() or self.startPoint.y() == self.endPoint.y():
# return None
return QgsRectangle(self.startPoint, self.endPoint)
def setRectangle(self, rect):
if rect == self.rectangle():
return False
if rect == None:
self.reset()
else:
self.startPoint = QgsPoint(rect.xMaximum(), rect.yMaximum())
self.endPoint = QgsPoint(rect.xMinimum(), rect.yMinimum())
self.showRect(self.startPoint, self.endPoint)
return True
class GeodesicMeasureDialog(QDialog, FORM_CLASS):
def __init__(self, iface, parent):
super(GeodesicMeasureDialog, self).__init__(parent)
self.setupUi(self)
self.iface = iface
self.canvas = iface.mapCanvas()
settings = QSettings()
self.restoreGeometry(
settings.value("ShapeTools/MeasureDialogGeometry",
QByteArray(),
type=QByteArray))
self.closeButton.clicked.connect(self.closeDialog)
self.newButton.clicked.connect(self.newDialog)
self.saveToLayerButton.clicked.connect(self.saveToLayer)
self.saveToLayerButton.setEnabled(False)
self.unitsComboBox.addItems(UNITS)
self.tableWidget.setColumnCount(3)
self.tableWidget.setSortingEnabled(False)
self.tableWidget.setHorizontalHeaderLabels(
['Heading To', 'Heading From', 'Distance'])
self.unitsComboBox.activated.connect(self.unitsChanged)
self.capturedPoints = []
self.distances = []
self.geod = Geodesic.WGS84
self.activeMeasuring = True
self.unitsChanged()
self.currentDistance = 0.0
color = QColor(222, 167, 67, 150)
self.pointRb = QgsRubberBand(self.canvas, QgsWkbTypes.PointGeometry)
self.pointRb.setColor(color)
self.pointRb.setIconSize(10)
self.lineRb = QgsRubberBand(self.canvas, QgsWkbTypes.LineGeometry)
self.lineRb.setColor(color)
self.lineRb.setWidth(3)
self.tempRb = QgsRubberBand(self.canvas, QgsWkbTypes.LineGeometry)
self.tempRb.setColor(color)
self.tempRb.setWidth(3)
def ready(self):
return self.activeMeasuring
def stop(self):
self.activeMeasuring = False
def closeEvent(self, event):
self.closeDialog()
def closeDialog(self):
self.clear()
QSettings().setValue("ShapeTools/MeasureDialogGeometry",
self.saveGeometry())
self.close()
def newDialog(self):
self.clear()
def unitsChanged(self):
label = "Distance [{}]".format(
UNITS[self.unitsComboBox.currentIndex()])
item = QTableWidgetItem(label)
self.tableWidget.setHorizontalHeaderItem(2, item)
ptcnt = len(self.capturedPoints)
if ptcnt >= 2:
i = 0
while i < ptcnt - 1:
item = QTableWidgetItem('{:.4f}'.format(
self.unitDistance(self.distances[i])))
self.tableWidget.setItem(i, 2, item)
i += 1
self.formatTotal()
def motionReady(self):
if len(self.capturedPoints) > 0 and self.activeMeasuring:
return True
return False
def addPoint(self, pt, button):
self.currentDistance = 0
index = len(self.capturedPoints)
if index > 0 and pt == self.capturedPoints[index - 1]:
# the clicked point is the same as the previous so just ignore it
return
self.capturedPoints.append(pt)
# Add rubber band points
canvasCrs = self.canvas.mapSettings().destinationCrs()
transform = QgsCoordinateTransform(epsg4326, canvasCrs,
QgsProject.instance())
ptCanvas = transform.transform(pt.x(), pt.y())
self.pointRb.addPoint(ptCanvas, True)
# If there is more than 1 point add it to the table
if index > 0:
self.saveToLayerButton.setEnabled(True)
(distance, startAngle,
endAngle) = self.calcParameters(self.capturedPoints[index - 1],
self.capturedPoints[index])
self.distances.append(distance)
self.insertParams(index, distance, startAngle, endAngle)
# Add Rubber Band Line
linePts = self.getLinePts(distance, self.capturedPoints[index - 1],
self.capturedPoints[index])
self.lineRb.addGeometry(QgsGeometry.fromPolylineXY(linePts), None)
self.formatTotal()
def inMotion(self, pt):
index = len(self.capturedPoints)
if index <= 0:
return
(self.currentDistance, startAngle,
endAngle) = self.calcParameters(self.capturedPoints[index - 1], pt)
self.insertParams(index, self.currentDistance, startAngle, endAngle)
self.formatTotal()
linePts = self.getLinePts(self.currentDistance,
self.capturedPoints[index - 1], pt)
self.tempRb.setToGeometry(QgsGeometry.fromPolylineXY(linePts), None)
def calcParameters(self, pt1, pt2):
l = self.geod.Inverse(pt1.y(), pt1.x(), pt2.y(), pt2.x())
az2 = (l['azi2'] + 180) % 360.0
if az2 > 180:
az2 = az2 - 360.0
l2 = self.geod.Inverse(pt2.y(), pt2.x(), pt1.y(), pt1.x())
return (l['s12'], l['azi1'], az2)
def getLinePts(self, distance, pt1, pt2):
canvasCrs = self.canvas.mapSettings().destinationCrs()
transform = QgsCoordinateTransform(epsg4326, canvasCrs,
QgsProject.instance())
pt1c = transform.transform(pt1.x(), pt1.y())
pt2c = transform.transform(pt2.x(), pt2.y())
if distance < 10000:
return [pt1c, pt2c]
l = self.geod.InverseLine(pt1.y(), pt1.x(), pt2.y(), pt2.x())
n = int(math.ceil(distance / 10000.0))
if n > 20:
n = 20
seglen = distance / n
pts = [pt1c]
for i in range(1, n):
s = seglen * i
g = l.Position(
s,
Geodesic.LATITUDE | Geodesic.LONGITUDE | Geodesic.LONG_UNROLL)
ptc = transform.transform(g['lon2'], g['lat2'])
pts.append(ptc)
pts.append(pt2c)
return pts
def saveToLayer(self):
units = self.unitDesignator()
canvasCrs = self.canvas.mapSettings().destinationCrs()
fields = QgsFields()
fields.append(QgsField("label", QVariant.String))
fields.append(QgsField("value", QVariant.Double))
fields.append(QgsField("units", QVariant.String))
fields.append(QgsField("heading_to", QVariant.Double))
fields.append(QgsField("heading_from", QVariant.Double))
layer = QgsVectorLayer("LineString?crs={}".format(canvasCrs.authid()),
"Measurements", "memory")
dp = layer.dataProvider()
dp.addAttributes(fields)
layer.updateFields()
num = len(self.capturedPoints)
for i in range(1, num):
(distance, startA,
endA) = self.calcParameters(self.capturedPoints[i - 1],
self.capturedPoints[i])
pts = self.getLinePts(distance, self.capturedPoints[i - 1],
self.capturedPoints[i])
distance = self.unitDistance(distance)
feat = QgsFeature(layer.fields())
feat.setAttribute(0, "{:.2f} {}".format(distance, units))
feat.setAttribute(1, distance)
feat.setAttribute(2, units)
feat.setAttribute(3, startA)
feat.setAttribute(4, endA)
feat.setGeometry(QgsGeometry.fromPolylineXY(pts))
dp.addFeatures([feat])
label = QgsPalLayerSettings()
label.fieldName = 'label'
label.placement = QgsPalLayerSettings.AboveLine
labeling = QgsVectorLayerSimpleLabeling(label)
layer.setLabeling(labeling)
layer.setLabelsEnabled(True)
layer.updateExtents()
QgsProject.instance().addMapLayer(layer)
def insertParams(self, position, distance, startAngle, endAngle):
if position > self.tableWidget.rowCount():
self.tableWidget.insertRow(position - 1)
item = QTableWidgetItem('{:.4f}'.format(self.unitDistance(distance)))
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
self.tableWidget.setItem(position - 1, 2, item)
item = QTableWidgetItem('{:.4f}'.format(startAngle))
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
self.tableWidget.setItem(position - 1, 0, item)
item = QTableWidgetItem('{:.4f}'.format(endAngle))
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
self.tableWidget.setItem(position - 1, 1, item)
def formatTotal(self):
total = self.currentDistance
ptcnt = len(self.capturedPoints)
if ptcnt >= 2:
i = 0
while i < ptcnt - 1:
total += self.distances[i]
i += 1
self.distanceLineEdit.setText('{:.2f}'.format(
self.unitDistance(total)))
def clear(self):
self.tableWidget.setRowCount(0)
self.capturedPoints = []
self.distances = []
self.activeMeasuring = True
self.currentDistance = 0.0
self.distanceLineEdit.setText('')
self.pointRb.reset(QgsWkbTypes.PointGeometry)
self.lineRb.reset(QgsWkbTypes.LineGeometry)
self.tempRb.reset(QgsWkbTypes.LineGeometry)
self.saveToLayerButton.setEnabled(False)
def unitDistance(self, distance):
units = self.unitsComboBox.currentIndex()
if units == 0: # meters
return distance
elif units == 1: # kilometers
return distance / 1000.0
elif units == 2: # feet
return distance * QgsUnitTypes.fromUnitToUnitFactor(
QgsUnitTypes.DistanceMeters, QgsUnitTypes.DistanceFeet)
elif units == 3: # yards
return distance * QgsUnitTypes.fromUnitToUnitFactor(
QgsUnitTypes.DistanceMeters, QgsUnitTypes.DistanceYards)
elif units == 4: # miles
return distance * QgsUnitTypes.fromUnitToUnitFactor(
QgsUnitTypes.DistanceMeters, QgsUnitTypes.DistanceMiles)
else: # nautical miles
return distance * QgsUnitTypes.fromUnitToUnitFactor(
QgsUnitTypes.DistanceMeters,
QgsUnitTypes.DistanceNauticalMiles)
def unitDesignator(self):
units = self.unitsComboBox.currentIndex()
if units == 0: # meters
return 'm'
elif units == 1: # kilometers
return 'km'
elif units == 2: # feet
return 'ft'
elif units == 3: # yards
return 'yd'
elif units == 4: # miles
return 'mi'
else: # nautical miles
return 'nm'
class QgepMapToolAddFeature(QgsMapTool):
"""
Base class for adding features
"""
def __init__(self, iface, layer):
QgsMapTool.__init__(self, iface.mapCanvas())
self.iface = iface
self.canvas = iface.mapCanvas()
self.layer = layer
self.rubberband = QgsRubberBand(iface.mapCanvas(), layer.geometryType())
self.rubberband.setColor(QColor("#ee5555"))
self.rubberband.setWidth(2)
self.tempRubberband = QgsRubberBand(iface.mapCanvas(), layer.geometryType())
self.tempRubberband.setColor(QColor("#ee5555"))
self.tempRubberband.setWidth(2)
self.tempRubberband.setLineStyle(Qt.DotLine)
def activate(self):
"""
When activating the map tool
"""
QgsMapTool.activate(self)
self.canvas.setCursor(QCursor(Qt.CrossCursor))
def deactivate(self):
"""
On deactivating the map tool
"""
QgsMapTool.deactivate(self)
self.canvas.unsetCursor()
# pylint: disable=no-self-use
def isZoomTool(self):
"""
This is no zoom tool
"""
return False
# ===========================================================================
# Events
# ===========================================================================
def canvasReleaseEvent(self, event):
"""
Called when a mouse button is
:param event:
:return:
"""
if event.button() == Qt.RightButton:
self.rightClicked(event)
else:
self.leftClicked(event)
def leftClicked(self, event):
"""
When the canvas is left clicked we add a new point to the rubberband.
:type event: QMouseEvent
"""
mousepos = self.canvas.getCoordinateTransform()\
.toMapCoordinates(event.pos().x(), event.pos().y())
self.rubberband.addPoint(mousepos)
self.tempRubberband.reset()
def rightClicked(self, _):
"""
On a right click we create a new feature from the existing rubberband and show the add
dialog
"""
f = QgsFeature(self.layer.pendingFields())
f.setGeometry(self.rubberband.asGeometry())
dlg = self.iface.getFeatureForm(self.layer, f)
dlg.setIsAddDialog(True)
dlg.exec_()
self.rubberband.reset()
self.tempRubberband.reset()
def canvasMoveEvent(self, event):
"""
When the mouse is moved the rubberband needs to be updated
:param event: The coordinates etc.
"""
mousepos = self.canvas.getCoordinateTransform()\
.toMapCoordinates(event.pos().x(), event.pos().y())
self.tempRubberband.movePoint(mousepos)
class VideoWidget(QVideoWidget):
def __init__(self, parent=None):
''' Constructor '''
super(VideoWidget, self).__init__(parent)
self.surface = VideoWidgetSurface(self)
self.Tracking_RubberBand = QRubberBand(QRubberBand.Rectangle, self)
self.Censure_RubberBand = QRubberBand(QRubberBand.Rectangle, self)
pal = QPalette()
pal.setBrush(QPalette.Highlight, QBrush(QColor(Qt.blue)))
self.Tracking_RubberBand.setPalette(pal)
pal = QPalette()
pal.setBrush(QPalette.Highlight, QBrush(QColor(Qt.black)))
self.Censure_RubberBand.setPalette(pal)
self.var_currentMouseMoveEvent = None
self._interaction = InteractionState()
self._filterSatate = FilterState()
self.setUpdatesEnabled(True)
self.snapped = False
self.zoomed = False
self._isinit = False
self.gt = None
self.drawCesure = []
self.poly_coordinates, self.drawPtPos, self.drawLines, self.drawRuler, self.drawPolygon = [], [], [], [], []
self.poly_RubberBand = QgsRubberBand(
iface.mapCanvas(), True) # Polygon type
# set rubber band style
color = QColor(176, 255, 128)
self.poly_RubberBand.setColor(color)
color.setAlpha(190)
self.poly_RubberBand.setStrokeColor(color)
self.poly_RubberBand.setWidth(3)
self.parent = parent.parent()
self.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.setAttribute(Qt.WA_NoSystemBackground)
self.setAttribute(Qt.WA_PaintOnScreen)
self.setAttribute(Qt.WA_OpaquePaintEvent)
self.setAttribute(Qt.WA_DeleteOnClose)
palette = self.palette()
palette.setColor(QPalette.Background, Qt.black)
self.setPalette(palette)
self.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
self.offset, self.origin, self.pressPos, self.dragPos = QPoint(
), QPoint(), QPoint(), QPoint()
self.tapTimer = QBasicTimer()
self.zoomPixmap, self.maskPixmap = QPixmap(), QPixmap()
def removeLastLine(self):
''' Remove Last Line Objects '''
if len(self.drawLines) > 0:
for pt in range(len(self.drawLines) - 1, -1, -1):
del self.drawLines[pt]
try:
if self.drawLines[pt - 1][0] is None:
break
except Exception:
None
self.UpdateSurface()
AddDrawLineOnMap(self.drawLines)
return
def removeLastSegmentLine(self):
''' Remove Last Segment Line Objects '''
if len(self.drawLines) > 0:
del self.drawLines[-1]
self.UpdateSurface()
AddDrawLineOnMap(self.drawLines)
return
def removeAllLines(self):
''' Resets Line List '''
self.drawLines = []
self.UpdateSurface()
# Clear all Layer
RemoveAllDrawLineOnMap()
def ResetDrawRuler(self):
''' Resets Ruler List '''
self.drawRuler = []
def removeAllCensure(self):
''' Remove All Censure Objects '''
self.drawCesure = []
def removeLastCensured(self):
''' Remove Last Censure Objects '''
if len(self.drawCesure) > 0:
del self.drawCesure[-1]
def removeLastPoint(self):
''' Remove All Point Drawer Objects '''
if len(self.drawPtPos) > 0:
del self.drawPtPos[-1]
self.UpdateSurface()
RemoveLastDrawPointOnMap()
return
def removeAllPoint(self):
''' Remove All Point Drawer Objects '''
self.drawPtPos = []
self.UpdateSurface()
# Clear all Layer
RemoveAllDrawPointOnMap()
return
def removeAllPolygon(self):
''' Remove All Polygon Drawer Objects '''
self.drawPolygon = []
self.UpdateSurface()
# Clear all Layer
RemoveAllDrawPolygonOnMap()
def removeLastPolygon(self):
''' Remove Last Polygon Drawer Objects '''
if len(self.drawPolygon) > 0:
for pt in range(len(self.drawPolygon) - 1, -1, -1):
del self.drawPolygon[pt]
try:
if self.drawPolygon[pt - 1][0] is None:
break
except Exception:
None
self.UpdateSurface()
# remove last index layer
RemoveLastDrawPolygonOnMap()
def currentMouseMoveEvent(self, event):
self.var_currentMouseMoveEvent = event
def keyPressEvent(self, event):
''' Exit fullscreen '''
if event.key() == Qt.Key_Escape and self.isFullScreen():
self.setFullScreen(False)
event.accept()
elif event.key() == Qt.Key_Enter and event.modifiers() & Qt.Key_Alt:
self.setFullScreen(not self.isFullScreen())
event.accept()
else:
super(VideoWidget, self).keyPressEvent(event)
def mouseDoubleClickEvent(self, event):
"""
:type event: QMouseEvent
:param event:
:return:
"""
if GetImageHeight() == 0:
return
if(not vut.IsPointOnScreen(event.x(), event.y(), self.surface)):
return
if self.gt is not None and self._interaction.lineDrawer:
self.drawLines.append([None, None, None])
self.UpdateSurface()
return
if self.gt is not None and self._interaction.ruler:
self.drawRuler.append([None, None, None])
self.UpdateSurface()
return
if self.gt is not None and self._interaction.polygonDrawer:
self.drawPolygon.append([None, None, None])
AddDrawPolygonOnMap(self.poly_coordinates)
# Empty RubberBand
for _ in range(self.poly_RubberBand.numberOfVertices()):
self.poly_RubberBand.removeLastPoint()
# Empty List
self.poly_coordinates = []
self.UpdateSurface()
return
self.setFullScreen(not self.isFullScreen())
event.accept()
def videoSurface(self):
''' Return video Surface '''
return self.surface
def UpdateSurface(self):
''' Update Video Surface '''
self.surface.widget.update()
def sizeHint(self):
''' This property holds the recommended size for the widget '''
return self.surface.surfaceFormat().sizeHint()
def GetCurrentFrame(self):
''' Return current frame QImage '''
return self.surface.image
def SetInvertColor(self, value):
''' Set Invert color filter '''
self._filterSatate.invertColorFilter = value
def SetObjectTracking(self, value):
''' Set Object Tracking '''
self._interaction.objectTracking = value
def SetRuler(self, value):
''' Set Ruler '''
self._interaction.ruler = value
def SetCensure(self, value):
''' Set Censure Video Parts '''
self._interaction.censure = value
def SetGray(self, value):
''' Set gray scale '''
self._filterSatate.grayColorFilter = value
def SetMirrorH(self, value):
''' Set Horizontal Mirror '''
self._filterSatate.MirroredHFilter = value
def SetEdgeDetection(self, value):
''' Set Canny Edge filter '''
self._filterSatate.edgeDetectionFilter = value
def SetAutoContrastFilter(self, value):
''' Set Automatic Contrast filter '''
self._filterSatate.contrastFilter = value
def SetMonoFilter(self, value):
''' Set mono filter '''
self._filterSatate.monoFilter = value
def RestoreFilters(self):
''' Remove and restore all video filters '''
self._filterSatate.clear()
def RestoreDrawer(self):
''' Remove and restore all Drawer Options '''
self._interaction.clear()
def paintEvent(self, event):
''' Paint Event '''
self.gt = GetGCPGeoTransform()
self.painter = QPainter(self)
self.painter.setRenderHint(QPainter.HighQualityAntialiasing)
if (self.surface.isActive()):
videoRect = self.surface.videoRect()
if not videoRect.contains(event.rect()):
region = event.region()
region.subtracted(QRegion(videoRect))
brush = self.palette().window()
for rect in region.rects():
self.painter.fillRect(rect, brush)
try:
self.painter = self.surface.paint(self.painter)
except Exception:
None
else:
self.painter.fillRect(event.rect(), self.palette().window())
try:
SetImageSize(self.surface.currentFrame.width(),
self.surface.currentFrame.height())
except Exception:
None
# Draw On Video
draw.drawOnVideo(self.drawPtPos, self.drawLines, self.drawPolygon,
self.drawRuler, self.drawCesure, self.painter, self.surface, self.gt)
# Magnifier Glass
if self.zoomed and self._interaction.magnifier:
draw.drawMagnifierOnVideo(self.width(), self.height(
), self.maskPixmap, self.dragPos, self.zoomPixmap, self.surface, self.painter, self.offset)
self.painter.end()
return
def resizeEvent(self, event):
"""
:type event: QMouseEvent
:param event:
:return:
"""
QWidget.resizeEvent(self, event)
self.zoomed = False
self.surface.updateVideoRect()
def mouseMoveEvent(self, event):
"""
:type event: QMouseEvent
:param event:
:return:
"""
if GetImageHeight() == 0:
return
# check if the point is on picture (not in black borders)
if(not vut.IsPointOnScreen(event.x(), event.y(), self.surface)):
return
if self._interaction.pointDrawer or self._interaction.polygonDrawer or self._interaction.lineDrawer or self._interaction.ruler:
self.setCursor(QCursor(Qt.CrossCursor))
# Cursor Coordinates
if self.gt is not None:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
txt = "<span style='font-size:10pt; font-weight:bold;'>Lon :</span>"
txt += "<span style='font-size:9pt; font-weight:normal;'>" + \
("%.3f" % Longitude) + "</span>"
txt += "<span style='font-size:10pt; font-weight:bold;'> Lat :</span>"
txt += "<span style='font-size:9pt; font-weight:normal;'>" + \
("%.3f" % Latitude) + "</span>"
if hasElevationModel():
txt += "<span style='font-size:10pt; font-weight:bold;'> Alt :</span>"
txt += "<span style='font-size:9pt; font-weight:normal;'>" + \
("%.0f" % Altitude) + "</span>"
else:
txt += "<span style='font-size:10pt; font-weight:bold;'> Alt :</span>"
txt += "<span style='font-size:9pt; font-weight:normal;'>-</span>"
self.parent.lb_cursor_coord.setText(txt)
else:
self.parent.lb_cursor_coord.setText("<span style='font-size:10pt; font-weight:bold;'>Lon :</span>" +
"<span style='font-size:9pt; font-weight:normal;'>-</span>" +
"<span style='font-size:10pt; font-weight:bold;'> Lat :</span>" +
"<span style='font-size:9pt; font-weight:normal;'>-</span>" +
"<span style='font-size:10pt; font-weight:bold;'> Alt :</span>" +
"<span style='font-size:9pt; font-weight:normal;'>-</span>")
if not event.buttons():
return
if not self.Tracking_RubberBand.isHidden():
self.Tracking_RubberBand.setGeometry(
QRect(self.origin, event.pos()).normalized())
if not self.Censure_RubberBand.isHidden():
self.Censure_RubberBand.setGeometry(
QRect(self.origin, event.pos()).normalized())
if not self.zoomed:
delta = event.pos() - self.pressPos
if not self.snapped:
self.pressPos = event.pos()
self.pan(delta)
self.tapTimer.stop()
return
else:
threshold = 10
self.snapped &= delta.x() < threshold
self.snapped &= delta.y() < threshold
self.snapped &= delta.x() > -threshold
self.snapped &= delta.y() > -threshold
else:
self.dragPos = event.pos()
self.surface.updateVideoRect()
def pan(self, delta):
""" Pan Action (Magnifier method)"""
self.offset += delta
self.surface.updateVideoRect()
def timerEvent(self, _):
""" Time Event (Magnifier method)"""
if not self.zoomed:
self.activateMagnifier()
self.surface.updateVideoRect()
def mousePressEvent(self, event):
"""
:type event: QMouseEvent
:param event:
:return:
"""
if GetImageHeight() == 0:
return
if event.button() == Qt.LeftButton:
self.snapped = True
self.pressPos = self.dragPos = event.pos()
self.tapTimer.stop()
self.tapTimer.start(100, self)
if(not vut.IsPointOnScreen(event.x(), event.y(), self.surface)):
self.UpdateSurface()
return
# point drawer
if self.gt is not None and self._interaction.pointDrawer:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
pointIndex = len(self.drawPtPos) + 1
AddDrawPointOnMap(pointIndex, Longitude,
Latitude, Altitude)
self.drawPtPos.append([Longitude, Latitude, Altitude])
# polygon drawer
if self.gt is not None and self._interaction.polygonDrawer:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
self.poly_RubberBand.addPoint(QgsPointXY(Longitude, Latitude))
self.poly_coordinates.extend(QgsPointXY(Longitude, Latitude))
self.drawPolygon.append([Longitude, Latitude, Altitude])
# line drawer
if self.gt is not None and self._interaction.lineDrawer:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
self.drawLines.append([Longitude, Latitude, Altitude])
AddDrawLineOnMap(self.drawLines)
if self._interaction.objectTracking:
self.origin = event.pos()
self.Tracking_RubberBand.setGeometry(
QRect(self.origin, QSize()))
self.Tracking_RubberBand.show()
if self._interaction.censure:
self.origin = event.pos()
self.Censure_RubberBand.setGeometry(
QRect(self.origin, QSize()))
self.Censure_RubberBand.show()
# Ruler drawer
if self.gt is not None and self._interaction.ruler:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
self.drawRuler.append([Longitude, Latitude, Altitude])
# if not called, the paint event is not triggered.
self.UpdateSurface()
def activateMagnifier(self):
""" Activate Magnifier Glass """
self.zoomed = True
self.tapTimer.stop()
self.surface.updateVideoRect()
def SetMagnifier(self, value):
""" Set Magnifier Glass """
self._interaction.magnifier = value
def SetPointDrawer(self, value):
""" Set Point Drawer """
self._interaction.pointDrawer = value
def SetLineDrawer(self, value):
""" Set Line Drawer """
self._interaction.lineDrawer = value
def SetPolygonDrawer(self, value):
""" Set Polygon Drawer """
self._interaction.polygonDrawer = value
def mouseReleaseEvent(self, _):
"""
:type event: QMouseEvent
:param event:
:return:
"""
if self._interaction.censure:
geom = self.Tracking_RubberBand.geometry()
self.Censure_RubberBand.hide()
self.drawCesure.append([geom])
if self._interaction.objectTracking:
geom = self.Tracking_RubberBand.geometry()
bbox = (geom.x(), geom.y(), geom.width(), geom.height())
frame = convertQImageToMat(self.GetCurrentFrame())
self.Tracking_RubberBand.hide()
self.tracker = cv2.TrackerBoosting_create()
self.tracker.clear()
ok = self.tracker.init(frame, bbox)
if ok:
self._isinit = True
else:
self._isinit = False
def leaveEvent(self, _):
self.parent.lb_cursor_coord.setText("")
self.setCursor(QCursor(Qt.ArrowCursor))
class RectangleMapTool(QgsMapToolEmitPoint):
def __init__(self, canvas):
QgsMapToolEmitPoint.__init__(self, canvas)
self.canvas = canvas
self.rubberBand = QgsRubberBand(canvas, QGis.Polygon)
self.rubberBand.setColor(QColor(255, 0, 0, 180))
self.rubberBand.setWidth(1)
self.reset()
def reset(self):
self.startPoint = self.endPoint = None
self.isDrawing = False
self.rubberBand.reset(QGis.Polygon)
def canvasPressEvent(self, e):
self.startPoint = self.toMapCoordinates(e.pos())
self.endPoint = self.startPoint
mapSettings = self.canvas.mapSettings() if QGis.QGIS_VERSION_INT >= 20300 else self.canvas.mapRenderer()
self.mupp = mapSettings.mapUnitsPerPixel()
self.rotation = mapSettings.rotation() if QGis.QGIS_VERSION_INT >= 20700 else 0
self.isDrawing = True
self.showRect(self.startPoint, self.endPoint)
def canvasReleaseEvent(self, e):
self.isDrawing = False
self.emit(SIGNAL("rectangleCreated()"))
def canvasMoveEvent(self, e):
if not self.isDrawing:
return
self.endPoint = self.toMapCoordinates(e.pos())
self.showRect(self.startPoint, self.endPoint)
def showRect(self, startPoint, endPoint):
self.rubberBand.reset(QGis.Polygon)
if startPoint.x() == endPoint.x() and startPoint.y() == endPoint.y():
return
for i, pt in enumerate(self._rect(startPoint, endPoint).vertices()):
self.rubberBand.addPoint(pt, bool(i == 3))
self.rubberBand.show()
def _rect(self, startPoint, endPoint):
if startPoint is None or endPoint is None:
return None
p0 = self.toCanvasCoordinates(startPoint)
p1 = self.toCanvasCoordinates(endPoint)
canvas_rect = QgsRectangle(QgsPoint(p0.x(), p0.y()), QgsPoint(p1.x(), p1.y()))
center = QgsPoint((startPoint.x() + endPoint.x()) / 2, (startPoint.y() + endPoint.y()) / 2)
return RotatedRect(center, self.mupp * canvas_rect.width(), self.mupp * canvas_rect.height()).rotate(self.rotation, center)
def rectangle(self):
return self._rect(self.startPoint, self.endPoint)
def setRectangle(self, rect):
if rect == self._rect(self.startPoint, self.endPoint):
return False
v = rect.vertices()
self.startPoint = v[3]
self.endPoint = v[1]
self.showRect(self.startPoint, self.endPoint)
return True
class DsgLineTool(QgsMapTool):
lineCreated = pyqtSignal(QgsGeometry)
def __init__(self, canvas):
super(DsgLineTool, self).__init__(canvas)
self.canvas = canvas
self.rubberBand = None
self.reset()
def deactivate(self):
self.canvas.scene().removeItem(self.rubberBand)
super(DsgLineTool, self).deactivate()
def defineRubberBand(self):
settings = QSettings()
myRed = int(settings.value("/qgis/default_measure_color_red", 222))
myGreen = int(settings.value("/qgis/default_measure_color_green", 155))
myBlue = int(settings.value("/qgis/default_measure_color_blue", 67))
self.rubberBand = QgsRubberBand(self.canvas)
self.rubberBand.setColor(QColor(myRed, myGreen, myBlue, 100))
self.rubberBand.setWidth(3)
def reset(self):
if self.rubberBand:
self.rubberBand.reset(QGis.Line)
self.isEmittingPoint = False
self.defineRubberBand()
def canvasPressEvent(self, e):
if self.isEmittingPoint:
point = self.snapPoint(e.pos())
self.rubberBand.addPoint(point, True)
else:
self.reset()
self.isEmittingPoint = True
def canvasReleaseEvent(self, e):
point = self.snapPoint(e.pos())
if e.button() == Qt.RightButton:
geom = self.rubberBand.asGeometry()
self.reset()
self.lineCreated.emit(geom)
elif e.button() == Qt.LeftButton:
self.isEmittingPoint = True
self.rubberBand.addPoint(point, True)
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
point = self.snapPoint(e.pos())
self.rubberBand.movePoint(point)
def snapPoint(self, p):
m = self.canvas.snappingUtils().snapToMap(p)
if m.isValid():
return m.point()
else:
return self.canvas.getCoordinateTransform().toMapCoordinates(p)
class Qgis2threejsDialog(QDialog):
STYLE_MAX_COUNT = 3
def __init__(self, iface):
QDialog.__init__(self, iface.mainWindow())
self.iface = iface
self.apiChanged22 = False # not QgsApplication.prefixPath().startswith("C:/OSGeo4W") # QGis.QGIS_VERSION_INT >= 20200
# Set up the user interface from Designer.
self.ui = ui = Ui_Qgis2threejsDialog()
ui.setupUi(self)
self.setWindowFlags(self.windowFlags() | Qt.WindowMinimizeButtonHint)
ui.lineEdit_OutputFilename.setPlaceholderText("[Temporary file]")
ui.pushButton_Run.clicked.connect(self.run)
ui.pushButton_Close.clicked.connect(self.reject)
# DEM tab
ui.toolButton_switchFocusMode.setVisible(False)
ui.toolButton_PointTool.setVisible(False)
ui.progressBar.setVisible(False)
self.switchFocusMode(True)
ui.toolButton_Browse.clicked.connect(self.browseClicked)
ui.radioButton_Simple.toggled.connect(self.samplingModeChanged)
ui.horizontalSlider_Resolution.valueChanged.connect(
self.calculateResolution)
ui.spinBox_Height.valueChanged.connect(self.updateQuads)
ui.toolButton_switchFocusMode.clicked.connect(
self.switchFocusModeClicked)
ui.toolButton_PointTool.clicked.connect(self.startPointSelection)
# Vector tab
ui.treeWidget_VectorLayers.setHeaderLabel("Vector layers")
self.initVectorStyleWidgets()
ui.treeWidget_VectorLayers.currentItemChanged.connect(
self.currentVectorLayerChanged)
ui.treeWidget_VectorLayers.itemChanged.connect(
self.vectorLayerItemChanged)
ui.comboBox_ObjectType.currentIndexChanged.connect(
self.objectTypeSelectionChanged)
self.bar = None
self.localBrowsingMode = True
self.rb_quads = self.rb_point = None
self.currentVectorLayer = None
self.vectorPropertiesDict = {}
self.objectTypeManager = ObjectTypeManager()
# set map tool
self.previousMapTool = None
self.mapTool = RectangleMapTool(iface.mapCanvas())
self.connect(self.mapTool, SIGNAL("rectangleCreated()"),
self.rectangleSelected)
# self.mapTool = PointMapTool(iface.mapCanvas())
# QObject.connect(self.mapTool, SIGNAL("pointSelected()"), self.pointSelected)
iface.mapCanvas().mapToolSet.connect(self.mapToolSet)
self.startPointSelection()
def exec_(self):
ui = self.ui
messages = []
# show message if crs unit is degrees
mapSettings = self.iface.mapCanvas().mapSettings(
) if self.apiChanged22 else self.iface.mapCanvas().mapRenderer()
if mapSettings.destinationCrs().mapUnits() in [QGis.Degrees]:
self.showMessageBar("The unit of current CRS is degrees",
"Terrain may not appear well.")
# show message if there are no dem layer
no_demlayer = ui.comboBox_DEMLayer.count() == 0
ui.pushButton_Run.setEnabled(not no_demlayer)
if no_demlayer:
self.showMessageBar(
"No DEM layer", "Load 1-band raster layer with GDAL provider.",
QgsMessageBar.WARNING)
return QDialog.exec_(self)
def showMessageBar(self, title, text, level=QgsMessageBar.INFO):
if self.bar is None:
self.bar = QgsMessageBar()
self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
ui = self.ui
margins = ui.gridLayout.getContentsMargins()
vl = ui.gridLayout.takeAt(0)
ui.gridLayout.setContentsMargins(0, 0, 0, 0)
ui.gridLayout.addWidget(self.bar, 0, 0)
ui.gridLayout.addItem(vl, 1, 0)
ui.verticalLayout.setContentsMargins(margins[0], margins[1] / 2,
margins[2], margins[3])
self.bar.pushMessage(title, text, level=level)
def initDEMLayerList(self, layerId=None):
# list 1 band raster layers
self.ui.comboBox_DEMLayer.clear()
for id, layer in QgsMapLayerRegistry().instance().mapLayers().items():
if layer.type() == QgsMapLayer.RasterLayer and layer.providerType(
) == "gdal" and layer.bandCount() == 1:
self.ui.comboBox_DEMLayer.addItem(layer.name(), id)
# select the last selected layer
if layerId is not None:
index = self.ui.comboBox_DEMLayer.findData(layerId)
if index != -1:
self.ui.comboBox_DEMLayer.setCurrentIndex(index)
return index
return -1
def initVectorLayerTree(self, vectorPropertiesDict):
self.vectorPropertiesDict = vectorPropertiesDict
tree = self.ui.treeWidget_VectorLayers
tree.clear()
# add vector layers into tree widget
self.treeTopItems = topItems = {
QGis.Point: QTreeWidgetItem(tree, ["Point"]),
QGis.Line: QTreeWidgetItem(tree, ["Line"]),
QGis.Polygon: QTreeWidgetItem(tree, ["Polygon"])
}
self.vlItems = {}
for layer in self.iface.legendInterface().layers():
if layer.type() != QgsMapLayer.VectorLayer:
continue
geometry_type = layer.geometryType()
if geometry_type in [QGis.Point, QGis.Line, QGis.Polygon]:
self.vlItems[layer.id()] = item = QTreeWidgetItem(
topItems[geometry_type], [layer.name()])
if layer.id() in self.vectorPropertiesDict:
isVisible = self.vectorPropertiesDict[
layer.id()]["visible"]
else:
isVisible = False #self.iface.legendInterface().isLayerVisible(layer)
check_state = Qt.Checked if isVisible else Qt.Unchecked
item.setData(0, Qt.CheckStateRole, check_state)
item.setData(0, Qt.UserRole, layer.id())
#item.setDisabled(True)
#item.setData(0, Qt.CheckStateRole, Qt.Unchecked)
for item in topItems.values():
tree.expandItem(item)
self.setVectorStylesEnabled(False)
def initVectorStyleWidgets(self):
self.colorWidget = StyleWidget(StyleWidget.COLOR)
self.ui.verticalLayout_Styles.addWidget(self.colorWidget)
self.heightWidget = StyleWidget(StyleWidget.HEIGHT)
self.ui.verticalLayout_zCoordinate.addWidget(self.heightWidget)
self.styleWidgets = []
for i in range(self.STYLE_MAX_COUNT):
widget = StyleWidget()
widget.setVisible(False)
self.ui.verticalLayout_Styles.addWidget(widget)
self.styleWidgets.append(widget)
def currentVectorLayerChanged(self, currentItem, previousItem):
# save properties of previous item
if previousItem is not None:
layerid = previousItem.data(0, Qt.UserRole)
if layerid is not None:
self.saveVectorProperties(layerid)
layerid = currentItem.data(0, Qt.UserRole)
if layerid is None:
self.currentVectorLayer = None
return
self.currentVectorLayer = layer = QgsMapLayerRegistry().instance(
).mapLayer(layerid)
if layer is None:
return
for i in range(self.STYLE_MAX_COUNT):
self.styleWidgets[i].hide()
obj_types = self.objectTypeManager.objectTypeNames(
layer.geometryType())
ui = self.ui
ui.comboBox_ObjectType.blockSignals(True)
ui.comboBox_ObjectType.clear()
ui.comboBox_ObjectType.addItems(obj_types)
ui.comboBox_ObjectType.blockSignals(False)
# set up property widgets
self.objectTypeSelectionChanged()
if layerid in self.vectorPropertiesDict:
# restore properties
self.restoreVectorProperties(layerid)
self.setVectorStylesEnabled(
currentItem.data(0, Qt.CheckStateRole) == Qt.Checked)
def vectorLayerItemChanged(self, item, column):
# update style form enablement
currentItem = self.ui.treeWidget_VectorLayers.currentItem()
if currentItem:
self.setVectorStylesEnabled(
currentItem.data(0, Qt.CheckStateRole) == Qt.Checked)
def objectTypeSelectionChanged(self, idx=None):
layer = self.currentVectorLayer
try:
ve = float(ui.lineEdit_zFactor.text())
except:
ve = 1
mapTo3d = MapTo3D(self.iface.mapCanvas(), verticalExaggeration=ve)
self.objectTypeManager.setupForm(
self, mapTo3d, layer, layer.geometryType(),
self.ui.comboBox_ObjectType.currentIndex())
def numericFields(self, layer):
# get attributes of a sample feature and create numeric field name list
numeric_fields = []
f = QgsFeature()
layer.getFeatures().nextFeature(f)
for field in f.fields():
isNumeric = False
try:
float(f.attribute(field.name()))
isNumeric = True
except:
pass
if isNumeric:
numeric_fields.append(field.name())
return numeric_fields
def setVectorStylesEnabled(self, enabled):
self.ui.comboBox_ObjectType.setEnabled(enabled)
self.ui.label_ObjectType.setEnabled(enabled)
self.colorWidget.setEnabled(enabled)
self.heightWidget.setEnabled(enabled)
for i in range(self.STYLE_MAX_COUNT):
self.styleWidgets[i].setEnabled(enabled)
def saveVectorProperties(self, layerid):
properties = {}
layer = QgsMapLayerRegistry().instance().mapLayer(layerid)
itemIndex = self.ui.comboBox_ObjectType.currentIndex()
properties["itemindex"] = itemIndex
properties["typeitem"] = self.objectTypeManager.objectTypeItem(
layer.geometryType(), itemIndex)
properties["visible"] = self.vlItems[
self.currentVectorLayer.id()].data(0,
Qt.CheckStateRole) == Qt.Checked
properties["color"] = self.colorWidget.values()
properties["height"] = self.heightWidget.values()
for i in range(self.STYLE_MAX_COUNT):
if self.styleWidgets[i].isVisible():
properties[i] = self.styleWidgets[i].values()
self.vectorPropertiesDict[layerid] = properties
def restoreVectorProperties(self, layerid):
properties = self.vectorPropertiesDict[layerid]
self.ui.comboBox_ObjectType.setCurrentIndex(properties["itemindex"])
self.colorWidget.setValues(properties["color"])
self.heightWidget.setValues(properties["height"])
for i in range(self.STYLE_MAX_COUNT):
if i in properties:
self.styleWidgets[i].setValues(properties[i])
def calculateResolution(self, v=None):
extent = self.iface.mapCanvas().extent()
renderer = self.iface.mapCanvas().mapRenderer()
size = 100 * self.ui.horizontalSlider_Resolution.value()
self.ui.label_Resolution.setText("about {0} x {0} px".format(size))
# calculate resolution and size
width, height = renderer.width(), renderer.height()
s = (size * size / float(width * height))**0.5
if s < 1:
width = int(width * s)
height = int(height * s)
xres = extent.width() / width
yres = extent.height() / height
self.ui.lineEdit_HRes.setText(str(xres))
self.ui.lineEdit_VRes.setText(str(yres))
self.ui.lineEdit_Width.setText(str(width + 1))
self.ui.lineEdit_Height.setText(str(height + 1))
def progress(self, percentage):
self.ui.progressBar.setValue(percentage)
self.ui.progressBar.setVisible(percentage != 100)
def run(self):
ui = self.ui
filename = ui.lineEdit_OutputFilename.text() # ""=Temporary file
if filename != "" and QFileInfo(
filename).exists() and QMessageBox.question(
None, "Qgis2threejs",
"Output file already exists. Overwrite it?",
QMessageBox.Ok | QMessageBox.Cancel) != QMessageBox.Ok:
return
self.endPointSelection()
item = ui.treeWidget_VectorLayers.currentItem()
if item:
self.saveVectorProperties(item.data(0, Qt.UserRole))
ui.pushButton_Run.setEnabled(False)
self.progress(0)
canvas = self.iface.mapCanvas()
htmlfilename = ui.lineEdit_OutputFilename.text()
demlayerid = ui.comboBox_DEMLayer.itemData(
ui.comboBox_DEMLayer.currentIndex())
mapTo3d = MapTo3D(canvas,
verticalExaggeration=float(
ui.lineEdit_zFactor.text()))
if self.ui.radioButton_Simple.isChecked():
dem_width = int(ui.lineEdit_Width.text())
dem_height = int(ui.lineEdit_Height.text())
context = OutputContext(mapTo3d, canvas, demlayerid,
self.vectorPropertiesDict,
self.objectTypeManager,
self.localBrowsingMode, dem_width,
dem_height)
htmlfilename = runSimple(htmlfilename, context, self.progress)
else:
context = OutputContext(mapTo3d, canvas, demlayerid,
self.vectorPropertiesDict,
self.objectTypeManager,
self.localBrowsingMode)
htmlfilename = runAdvanced(htmlfilename, context, self,
self.progress)
self.progress(100)
ui.pushButton_Run.setEnabled(True)
if htmlfilename is None:
return
self.clearRubberBands()
if not tools.openHTMLFile(htmlfilename):
return
QDialog.accept(self)
def reject(self):
self.endPointSelection()
self.clearRubberBands()
QDialog.reject(self)
def startPointSelection(self):
canvas = self.iface.mapCanvas()
self.previousMapTool = canvas.mapTool()
canvas.setMapTool(self.mapTool)
self.ui.toolButton_PointTool.setVisible(False)
def endPointSelection(self):
self.mapTool.reset()
self.iface.mapCanvas().setMapTool(self.previousMapTool)
def rectangleSelected(self):
ui = self.ui
ui.radioButton_Advanced.setChecked(True)
rect = self.mapTool.rectangle()
toRect = rect.width() and rect.height()
self.switchFocusMode(toRect)
ui.lineEdit_xmin.setText(str(rect.xMinimum()))
ui.lineEdit_ymin.setText(str(rect.yMinimum()))
ui.lineEdit_xmax.setText(str(rect.xMaximum()))
ui.lineEdit_ymax.setText(str(rect.yMaximum()))
quadtree = QuadTree(self.iface.mapCanvas().extent())
quadtree.buildTreeByRect(rect, self.ui.spinBox_Height.value())
self.createRubberBands(quadtree.quads(), rect.center())
self.setWindowState(self.windowState() & ~Qt.WindowMinimized
| Qt.WindowActive)
def pointSelected(self):
# set values of controls
self.ui.lineEdit_CenterX.setText(str(self.mapTool.point.x()))
self.ui.lineEdit_CenterY.setText(str(self.mapTool.point.y()))
self.ui.radioButton_Advanced.setChecked(True)
quadtree = QuadTree(self.iface.mapCanvas().extent(),
self.mapTool.point, self.ui.spinBox_Height.value())
self.createRubberBands(quadtree.quads(), self.mapTool.point)
self.setWindowState(self.windowState() & ~Qt.WindowMinimized
| Qt.WindowActive)
def mapToolSet(self, mapTool):
if mapTool != self.mapTool:
self.ui.toolButton_PointTool.setVisible(True)
def createQuadTree(self):
ui = self.ui
try:
c = map(float, [
ui.lineEdit_xmin.text(),
ui.lineEdit_ymin.text(),
ui.lineEdit_xmax.text(),
ui.lineEdit_ymax.text()
])
except:
return None
quadtree = QuadTree(self.iface.mapCanvas().extent())
quadtree.buildTreeByRect(QgsRectangle(c[0], c[1], c[2], c[3]),
ui.spinBox_Height.value())
return quadtree
def createRubberBands(self, quads, point=None):
self.clearRubberBands()
# create quads with rubber band
self.rb_quads = QgsRubberBand(self.iface.mapCanvas(), QGis.Line)
self.rb_quads.setColor(Qt.blue)
self.rb_quads.setWidth(1)
for quad in quads:
points = []
extent = quad.extent
points.append(QgsPoint(extent.xMinimum(), extent.yMinimum()))
points.append(QgsPoint(extent.xMinimum(), extent.yMaximum()))
points.append(QgsPoint(extent.xMaximum(), extent.yMaximum()))
points.append(QgsPoint(extent.xMaximum(), extent.yMinimum()))
self.rb_quads.addGeometry(QgsGeometry.fromPolygon([points]), None)
self.log(extent.toString())
self.log("Quad count: %d" % len(quads))
# create a point with rubber band
if point:
self.rb_point = QgsRubberBand(self.iface.mapCanvas(), QGis.Point)
self.rb_point.setColor(Qt.red)
self.rb_point.addPoint(point)
def clearRubberBands(self):
# clear quads and point
if self.rb_quads:
self.iface.mapCanvas().scene().removeItem(self.rb_quads)
self.rb_quads = None
if self.rb_point:
self.iface.mapCanvas().scene().removeItem(self.rb_point)
self.rb_point = None
def browseClicked(self):
directory = self.ui.lineEdit_OutputFilename.text()
if directory == "":
directory = QDir.homePath()
filename = QFileDialog.getSaveFileName(
self,
self.tr("Output filename"),
directory,
"HTML file (*.html *.htm)",
options=QFileDialog.DontConfirmOverwrite)
if filename != "":
self.ui.lineEdit_OutputFilename.setText(filename)
def samplingModeChanged(self):
ui = self.ui
isSimpleMode = ui.radioButton_Simple.isChecked()
simple_widgets = [
ui.horizontalSlider_Resolution, ui.lineEdit_Width,
ui.lineEdit_Height, ui.lineEdit_HRes, ui.lineEdit_VRes
]
for w in simple_widgets:
w.setEnabled(isSimpleMode)
isAdvancedMode = not isSimpleMode
advanced_widgets = [
ui.spinBox_Height, ui.lineEdit_xmin, ui.lineEdit_ymin,
ui.lineEdit_xmax, ui.lineEdit_ymax, ui.toolButton_switchFocusMode
]
for w in advanced_widgets:
w.setEnabled(isAdvancedMode)
def updateQuads(self, v=None):
quadtree = self.createQuadTree()
if quadtree:
self.createRubberBands(quadtree.quads(),
quadtree.focusRect.center())
else:
self.clearRubberBands()
def switchFocusModeClicked(self):
self.switchFocusMode(not self.ui.label_xmin.isVisible())
def switchFocusMode(self, toRect):
ui = self.ui
toPoint = not toRect
ui.label_xmin.setVisible(toRect)
ui.label_ymin.setVisible(toRect)
ui.lineEdit_xmin.setVisible(toRect)
ui.lineEdit_ymin.setVisible(toRect)
suffix = "max" if toRect else ""
ui.label_xmax.setText("x" + suffix)
ui.label_ymax.setText("y" + suffix)
mode = "point" if toRect else "rectangle"
ui.toolButton_switchFocusMode.setText("To " + mode + " selection")
selection = "area" if toRect else "point"
action = "Stroke a rectangle" if toRect else "Click"
ui.label_Focus.setText(
"Focus {0} ({1} on map canvas to set values)".format(
selection, action))
def log(self, msg):
if debug_mode:
qDebug(msg)
class RectangleMapTool(QgsMapToolEmitPoint):
"""
Map tool that lets the user define the analysis extents.
"""
rectangle_created = pyqtSignal()
deactivated = pyqtSignal()
def __init__(self, canvas):
"""Constructor for the map tool.
:param canvas: Canvas that tool will interact with.
:type canvas: QgsMapCanvas
"""
self.canvas = canvas
self.start_point = None
self.end_point = None
self.is_emitting_point = False
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.rubber_band = QgsRubberBand(self.canvas, geometryType=QGis.Line)
self.rubber_band.setColor(QColor(0, 0, 240, 100))
# Needs QGIS 2.6
# self.rubber_band.setFillColor(QColor(0, 0, 240, 0))
self.rubber_band.setWidth(1)
self.reset()
def reset(self):
"""
Clear the rubber band for the analysis extents.
"""
self.start_point = self.end_point = None
self.is_emitting_point = False
self.rubber_band.reset(QGis.Polygon)
def canvasPressEvent(self, e):
"""
Handle canvas press events so we know when user is capturing the rect.
:param e: A Qt event object.
:type: QEvent
"""
self.start_point = self.toMapCoordinates(e.pos())
self.end_point = self.start_point
self.is_emitting_point = True
self.show_rectangle(self.start_point, self.end_point)
def canvasReleaseEvent(self, e):
"""
Handle canvas release events has finished capturing e
:param e: A Qt event object.
:type: QEvent
"""
_ = e
self.is_emitting_point = False
self.rectangle_created.emit()
def canvasMoveEvent(self, e):
"""
:param e:
:return:
"""
if not self.is_emitting_point:
return
self.end_point = self.toMapCoordinates(e.pos())
self.show_rectangle(self.start_point, self.end_point)
def show_rectangle(self, start_point, end_point):
"""
Show the rectangle on the canvas.
:param start_point: QGIS Point object representing the origin (
top left).
:type start_point: QgsPoint
:param end_point: QGIS Point object representing the contra-origin (
bottom right).
:type end_point: QgsPoint
:return:
"""
self.rubber_band.reset(QGis.Polygon)
if (start_point.x() == end_point.x()
or start_point.y() == end_point.y()):
return
point1 = start_point
point2 = QgsPoint(end_point.x(), start_point.y())
point3 = end_point
point4 = QgsPoint(start_point.x(), end_point.y())
update_canvas = False
self.rubber_band.addPoint(point1, update_canvas)
self.rubber_band.addPoint(point2, update_canvas)
self.rubber_band.addPoint(point3, update_canvas)
self.rubber_band.addPoint(point4, update_canvas)
# noinspection PyArgumentEqualDefault
# no False so canvas will update
# close the polygon otherwise it shows as a filled rect
self.rubber_band.addPoint(point1)
self.rubber_band.show()
def rectangle(self):
"""
Accessor for the rectangle.
:return: A rectangle showing the designed extent.
:rtype: QgsRectangle
"""
if self.start_point is None or self.end_point is None:
return None
elif self.start_point.x() == self.end_point.x() or \
self.start_point.y() == self.end_point.y():
return None
return QgsRectangle(self.start_point, self.end_point)
def set_rectangle(self, rectangle):
"""
Set the rectangle for the selection.
:param rectangle:
:return:
"""
if rectangle == self.rectangle():
return False
if rectangle is None:
self.reset()
else:
self.start_point = QgsPoint(
rectangle.xMinimum(), rectangle.yMinimum())
self.end_point = QgsPoint(
rectangle.xMaximum(), rectangle.yMaximum())
self.show_rectangle(self.start_point, self.end_point)
return True
def deactivate(self):
"""
Disable the tool.
"""
QgsMapTool.deactivate(self)
self.deactivated.emit()
class Gban:
def __init__(self, iface):
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
os.path.dirname(__file__),
'i18n',
'gban_{}.qm'.format(locale))
self.translator = None
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
self.iface = iface
self.canvas = self.iface.mapCanvas()
self.exclusive = QActionGroup( self.iface.mainWindow() )
self.actions = []
self.menu = '&Gban'
self.toolbar = self.iface.addToolBar('Gban')
self.toolbar.setObjectName('Gban')
#Select tool initialization
self.tool = QgsMapToolEmitPoint(self.canvas)
self.tool.canvasClicked.connect(self.doReverseGeocoding)
self.tool.deactivated.connect(self.uncheckReverseGeocoding)
self.rb = QgsRubberBand(self.iface.mapCanvas(), QGis.Point)
self.rb.setColor( QColor(255, 0, 0) )
self.rb.setWidth( 5 )
# Network configuration
self.manager = QgsNetworkAccessManager.instance()
def unload(self):
for action in self.actions:
self.iface.removePluginMenu('&Gban', action)
self.iface.removeToolBarIcon(action)
del self.toolbar
def tr(self, message):
return QCoreApplication.translate('Gban', message)
def add_action(
self,
icon_path,
text,
callback,
enabled_flag=True,
checkable=False,
add_to_menu=True,
add_to_toolbar=True,
status_tip=None,
whats_this=None,
parent=None):
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
action.triggered.connect(callback)
action.setEnabled(enabled_flag)
action.setCheckable(checkable)
if status_tip is not None:
action.setStatusTip(status_tip)
if whats_this is not None:
action.setWhatsThis(whats_this)
if add_to_toolbar:
self.toolbar.addAction(action)
if add_to_menu:
self.iface.addPluginToMenu(
self.menu,
action)
if checkable:
self.exclusive.addAction( action )
self.actions.append(action)
return action
def initGui(self):
icon_path = ":/plugins/qgeric/resources/icon_geocode.png"
self.add_action(
icon_path,
text=self.tr("Geocoding"),
callback=self.geocoding,
parent=self.iface.mainWindow()
)
icon_path = ":/plugins/qgeric/resources/icon_reversegeocode.png"
self.add_action(
icon_path,
checkable = True,
text=self.tr("Reverse geocoding"),
callback=self.reverseGeocoding,
parent=self.iface.mainWindow()
)
def geocoding(self):
self.rb.reset( QGis.Point )
address, ok = QInputDialog.getText(self.iface.mainWindow(), self.tr("Address"), self.tr("Input address to geocode:"))
if ok and address:
self.doGeocoding(address)
def doGeocoding(self, address):
address = unicodedata.normalize('NFKD', unicode(address)).encode('ASCII', 'ignore')
url = "http://api-adresse.data.gouv.fr/search/?q="+address.replace(" ", "%20")
result = self.request(url)
try:
data = json.loads(result)
features = data["features"]
if len(features) > 0:
feature_list = []
for feature in features:
feature_list.append(feature["properties"]["label"]+" - "+str(round(feature["properties"]["score"]*100))+"%")
feature, ok = QInputDialog.getItem(self.iface.mainWindow(), self.tr("Result"), "", feature_list)
if ok:
index = feature_list.index(feature)
x = features[index]["geometry"]["coordinates"][0]
y = features[index]["geometry"]["coordinates"][1]
point_4326 = QgsPoint(x, y)
transform = QgsCoordinateTransform(QgsCoordinateReferenceSystem(4326),
self.canvas.mapSettings().destinationCrs())
point_2154 = transform.transform(point_4326)
self.rb.addPoint(point_2154)
self.iface.mapCanvas().setCenter(point_2154)
self.iface.mapCanvas().refresh()
else:
QMessageBox.information(self.iface.mainWindow(), self.tr("Result"), self.tr("No result."))
except ValueError:
QMessageBox.critical(self.iface.mainWindow(), self.tr("Error"), self.tr("An error occured. Check your network settings (proxy)."))
def reverseGeocoding(self):
self.canvas.setMapTool(self.tool)
def doReverseGeocoding(self, point_orig):
transform = QgsCoordinateTransform(self.canvas.mapSettings().destinationCrs(),
QgsCoordinateReferenceSystem(4326))
point_4326 = transform.transform(point_orig)
url = "http://api-adresse.data.gouv.fr/reverse/?lon="+str(point_4326.x())+"&lat="+str(point_4326.y())
result = self.request(url)
try:
data = json.loads(result)
if len(data["features"]) > 0:
address = data["features"][0]["properties"]["label"]
clicked = QMessageBox.information(self.iface.mainWindow(), self.tr("Result"), address, QDialogButtonBox.Ok, QDialogButtonBox.Save)
if clicked == QDialogButtonBox.Save:
QApplication.clipboard().setText(address)
else:
QMessageBox.information(self.iface.mainWindow(), self.tr("Result"), self.tr("No result."))
except ValueError:
QMessageBox.critical(self.iface.mainWindow(), self.tr("Error"), self.tr("An error occured. Check your network settings (proxy)."))
def uncheckReverseGeocoding(self):
self.exclusive.checkedAction().setChecked(False)
def request(self, url):
''' prepare the request and return the result of the reply
'''
request = QNetworkRequest(QUrl(url))
reply = self.manager.get(request)
reply.deleteLater()
evloop = QEventLoop()
reply.finished.connect(evloop.quit)
evloop.exec_(QEventLoop.ExcludeUserInputEvents)
return unicode(reply.readAll())
def btnPreview_Click(self):
self.priviewClickFlag = not self.priviewClickFlag
if not self.priviewClickFlag:
QgisHelper.ClearRubberBandInCanvas(define._canvas)
return
if self.comboBox.currentIndex() == ProtectionAreaType.Primary:
rBand = QgsRubberBand(define._canvas, QGis.Polygon)
for point in self.area.PreviewArea.method_14():
rBand.addPoint(point)
rBand.setFillColor(QtGui.QColor(46, 64, 142, 100))
rBand.setBorderColor(QtGui.QColor(0, 10, 238))
rBand.show()
elif self.comboBox.currentIndex() == ProtectionAreaType.Secondary:
rBand = QgsRubberBand(define._canvas, QGis.Polygon)
if isinstance(self.area, SecondaryObstacleAreaWithManyPoints):
for point in self.area.PreviewArea.method_14():
rBand.addPoint(point)
rBand.setFillColor(QtGui.QColor(46, 64, 142, 100))
rBand.setBorderColor(QtGui.QColor(0, 10, 238))
rBand.show()
else:
for point in self.area.area.PreviewArea.method_14():
rBand.addPoint(point)
rBand.setFillColor(QtGui.QColor(46, 64, 142, 100))
rBand.setBorderColor(QtGui.QColor(0, 10, 238))
rBand.show()
elif self.comboBox.currentIndex(
) == ProtectionAreaType.PrimaryAndSecondary:
rBand = QgsRubberBand(define._canvas, QGis.Polygon)
for point in self.area.primaryArea.PreviewArea.method_14():
rBand.addPoint(point)
rBand.setFillColor(QtGui.QColor(46, 64, 142, 100))
rBand.setBorderColor(QtGui.QColor(0, 10, 238))
rBand.show()
rBand = QgsRubberBand(define._canvas, QGis.Polygon)
for point in self.area.secondaryArea1.PreviewArea.method_14():
rBand.addPoint(point)
rBand.setFillColor(QtGui.QColor(46, 64, 142, 100))
rBand.setBorderColor(QtGui.QColor(0, 10, 238))
rBand.show()
rBand = QgsRubberBand(define._canvas, QGis.Polygon)
for point in self.area.secondaryArea2.PreviewArea.method_14():
rBand.addPoint(point)
rBand.setFillColor(QtGui.QColor(46, 64, 142, 100))
rBand.setBorderColor(QtGui.QColor(0, 10, 238))
rBand.show()
else:
for obstacleArea in self.area:
if isinstance(obstacleArea, PrimaryObstacleArea):
rBand = QgsRubberBand(define._canvas, QGis.Polygon)
for point in obstacleArea.PreviewArea.method_14():
rBand.addPoint(point)
rBand.setFillColor(QtGui.QColor(46, 64, 142, 100))
rBand.setBorderColor(QtGui.QColor(0, 10, 238))
rBand.show()
else:
rBand = QgsRubberBand(define._canvas, QGis.Polygon)
if isinstance(obstacleArea,
SecondaryObstacleAreaWithManyPoints):
for point in obstacleArea.PreviewArea.method_14():
rBand.addPoint(point)
rBand.setFillColor(QtGui.QColor(46, 64, 142, 100))
rBand.setBorderColor(QtGui.QColor(0, 10, 238))
rBand.show()
else:
for point in obstacleArea.area.PreviewArea.method_14():
rBand.addPoint(point)
rBand.setFillColor(QtGui.QColor(46, 64, 142, 100))
rBand.setBorderColor(QtGui.QColor(0, 10, 238))
rBand.show()
define._canvas.refresh()
class RubberBandResultRenderer():
def __init__(self):
self.iface = iface
self.srs_wgs84 = QgsCoordinateReferenceSystem(4326)
self.transformation = QgsCoordinateTransform(self.srs_wgs84, self.srs_wgs84)
self.rb = QgsRubberBand(self.iface.mapCanvas(), QGis.Point)
self.rb.setColor(QColor('magenta'))
self.rb.setIconSize(12)
self.features_rb = QgsRubberBand(self.iface.mapCanvas(), QGis.Point)
self.features_rb.setColor(QColor('green'))
self.features_rb.setIconSize(12)
self.features_rb.setWidth(3)
def show_point(self, point, center=False):
#check srs
if self.need_transform():
point = self.transform_point(point)
self.rb.addPoint(point)
if center:
self.center_to_point(point)
def clear(self):
self.rb.reset(QGis.Point)
def need_transform(self):
return self.iface.mapCanvas().mapRenderer().destinationCrs().postgisSrid() != 4326
def transform_point(self, point):
dest_srs_id = self.iface.mapCanvas().mapRenderer().destinationCrs().srsid()
self.transformation.setDestCRSID(dest_srs_id)
try:
return self.transformation.transform(point)
except:
print 'Error on transform!' # DEBUG! need message???
return
def transform_bbox(self, bbox):
dest_srs_id = self.iface.mapCanvas().mapRenderer().destinationCrs().srsid()
self.transformation.setDestCRSID(dest_srs_id)
try:
return self.transformation.transformBoundingBox(bbox)
except:
print 'Error on transform!' # DEBUG! need message???
return
def transform_geom(self, geom):
dest_srs_id = self.iface.mapCanvas().mapRenderer().destinationCrs().srsid()
self.transformation.setDestCRSID(dest_srs_id)
try:
geom.transform(self.transformation)
return geom
except:
print 'Error on transform!' # DEBUG! need message???
return
def center_to_point(self, point):
canvas = self.iface.mapCanvas()
new_extent = QgsRectangle(canvas.extent())
new_extent.scale(1, point)
canvas.setExtent(new_extent)
canvas.refresh()
def zoom_to_bbox(self, bbox):
if self.need_transform():
bbox = self.transform_bbox(bbox)
self.iface.mapCanvas().setExtent(bbox)
self.iface.mapCanvas().refresh()
def show_feature(self, geom):
if self.need_transform():
geom = self.transform_geom(geom)
self.features_rb.setToGeometry(geom, None)
def clear_feature(self):
self.features_rb.reset(QGis.Point)
class DivisionFusion:
"""QGIS Plugin Implementation."""
def __init__(self, iface, ACA):
"""Constructor.
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
"""
# Save reference to the QGIS interface
self.iface = iface
self.CFG = None
self.UTI = None
self.DFS = None
self.DBJ = None
self.ELM = None
self.ACA = ACA
self.TPG = None
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(self.plugin_dir, 'i18n',
'DivisionFusion_{}.qm'.format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
# Create the dialog (after translation) and keep reference
self.dlg = DivisionFusionDialog(parent=iface.mainWindow())
#self.dlg.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&DivisionFusion')
# TODO: We are going to let the user set this up in a future iteration
self.toolbar = self.iface.addToolBar(u'DivisionFusion')
self.toolbar.setObjectName(u'DivisionFusion')
#self.dlg.setMinimumSize(QSize(464, 465))
#self.dlg.setMaximumSize(QSize(371, 372))
#print(self.dlg.size())
#self.dlg.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
self.eventos = EventoDivision(iface.mapCanvas(), self)
self.VentanaAreas = VentanaAreas(self)
self.VentanaFusion = VentanaFusionV3(iface, self)
self.VentanaClaves = VentanaClavesV3(iface, self)
self.rubberMarca = QgsRubberBand(iface.mapCanvas(),
QgsWkbTypes.PolygonGeometry)
self.rubberMarca.setFillColor(QColor(255, 255, 0, 12))
self.rubberMarca.setStrokeColor(QColor(255, 150, 0, 255))
self.rubberMarca.setWidth(2)
self.listaNuevosPredios = []
self.cargoPredio = False
self.listaColores = []
self.rubbersAreas = []
self.dlg.btnDibujarCortes.setEnabled(False)
self.dlg.btnEditarCortes.setEnabled(False)
self.dlg.btnEliminarCortes.setEnabled(False)
self.dlg.btnApagarHerramientas.setEnabled(False)
self.dlg.btnConfirmarCortes.setEnabled(False)
self.dlg.btnDeshacerTodo.setEnabled(False)
self.dlg.btnCancelarSub.setEnabled(False)
self.dlg.btnDeshacerCortes.setEnabled(False)
self.dlg.btnLlamarCalcular.setEnabled(False)
self.dlg.btnFusionar.clicked.connect(self.preguntarFusion)
self.dlg.btnCargarPredio.clicked.connect(self.pasarAModoDivision)
self.dlg.btnConfirmarCortes.clicked.connect(self.confirmarCortes)
self.dlg.btnDibujarCortes.clicked.connect(self.encenderModoDividir)
self.dlg.btnEliminarCortes.clicked.connect(self.encenderModoEliminar)
self.dlg.btnApagarHerramientas.clicked.connect(self.apagarHerramientas)
self.dlg.btnDeshacerTodo.clicked.connect(self.rollBack)
self.dlg.btnCancelarSub.clicked.connect(self.cancelarSubdivision)
self.dlg.btnDeshacerCortes.clicked.connect(self.vaciarLineasCorte)
self.dlg.btnLlamarCalcular.clicked.connect(self.irAreas)
self.dlg.btnEditarCortes.clicked.connect(self.encenderModoEditar)
self.geomsAreas = []
#self.p
# noinspection PyMethodMayBeStatic
def tr(self, message):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate('DivisionFusion', message)
def add_action(self,
icon_path,
text,
callback,
enabled_flag=True,
add_to_menu=True,
add_to_toolbar=True,
status_tip=None,
whats_this=None,
parent=None):
"""Add a toolbar icon to the toolbar.
:param icon_path: Path to the icon for this action. Can be a resource
path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
:type icon_path: str
:param text: Text that should be shown in menu items for this action.
:type text: str
:param callback: Function to be called when the action is triggered.
:type callback: function
:param enabled_flag: A flag indicating if the action should be enabled
by default. Defaults to True.
:type enabled_flag: bool
:param add_to_menu: Flag indicating whether the action should also
be added to the menu. Defaults to True.
:type add_to_menu: bool
:param add_to_toolbar: Flag indicating whether the action should also
be added to the toolbar. Defaults to True.
:type add_to_toolbar: bool
:param status_tip: Optional text to show in a popup when mouse pointer
hovers over the action.
:type status_tip: str
:param parent: Parent widget for the new action. Defaults None.
:type parent: QWidget
:param whats_this: Optional text to show in the status bar when the
mouse pointer hovers over the action.
:returns: The action that was created. Note that the action is also
added to self.actions list.
:rtype: QAction
"""
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
action.triggered.connect(callback)
action.setEnabled(enabled_flag)
if status_tip is not None:
action.setStatusTip(status_tip)
if whats_this is not None:
action.setWhatsThis(whats_this)
if add_to_toolbar:
self.toolbar.addAction(action)
if add_to_menu:
self.iface.addPluginToMenu(self.menu, action)
self.actions.append(action)
return action
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
icon_path = ':/plugins/DivisionFusion/icon.png'
self.add_action(icon_path,
text=self.tr(u'DivisionFusion'),
callback=self.run,
parent=self.iface.mainWindow())
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginMenu(self.tr(u'&DivisionFusion'), action)
self.iface.removeToolBarIcon(action)
# remove the toolbar
del self.toolbar
def run(self):
"""Run method that performs all the real work"""
# show the dialog
for x in iface.mapNavToolToolBar().actions():
if x.objectName() == 'mActionPan':
x.trigger()
self.dlg.show()
self.UTI.strechtTabla(self.VentanaFusion.dlg.tabComp)
# Run the dialog event loop
iface.mapCanvas().setMapTool(self.eventos)
result = self.dlg.exec_()
# See if OK was pressed
self.dlg.btnFusionar.setEnabled(True)
self.dlg.comboPredios.setEnabled(True)
self.dlg.btnCargarPredio.setEnabled(True)
self.dlg.btnDibujarCortes.setEnabled(False)
self.dlg.btnEditarCortes.setEnabled(False)
self.dlg.btnEliminarCortes.setEnabled(False)
self.dlg.btnApagarHerramientas.setEnabled(False)
self.dlg.btnConfirmarCortes.setEnabled(False)
self.dlg.btnDeshacerTodo.setEnabled(False)
if result:
# Do something useful here - delete the line containing pass and
# substitute with your code.
pass
#------------------------------------------------------------------------------
#Preguntamos si quiere fusionar
def preguntarFusion(self):
if iface.activeLayer() != None:
seleccion = self.iface.activeLayer().selectedFeatures()
self.VentanaFusion.dlg.close()
if self.validarCuentaSeleccion(): #Si la seleccion es valida
self.VentanaFusion.dlg.show()
self.VentanaFusion.llenarTablaComp(seleccion[0], seleccion[1])
self.dlg.btnCargarPredio.setEnabled(False)
else:
self.UTI.mostrarAlerta(
'La fusion requiere la seleccion de exactamente 2 predios contiguos',
QMessageBox().Critical, 'Error de fusion')
#------------------------------------------------------------------
#Validamosla seleccion
def validarCuentaSeleccion(self):
seleccion = self.iface.activeLayer().selectedFeatures()
if len(seleccion) != 2: #Cuando tenemos seleccionados no 2 elementos
self.UTI.mostrarAlerta(
'La fusion requiere la seleccion de exactamente 2 predios contiguos',
QMessageBox().Critical, 'Error de fusion')
return False
else:
if not self.validarContiguedad():
self.UTI.mostrarAlerta(
'Los predios seleccionados no son contiguos',
QMessageBox().Critical, 'Error de fusion')
return False
else:
return True
#-----------------------------------------------------------------------------
def validarContiguedad(self): #Aqui checamos si dos predios son contiguos
seleccion = self.iface.activeLayer().selectedFeatures()
pred1 = seleccion[0].geometry().buffer(0.0000001, 1)
pred2 = seleccion[1].geometry().buffer(0.0000001, 1)
#Checamos que el area de interseccion sea un valor considerable
area = pred1.intersection(pred2).area()
return area > 0.0000000001
#-----------------------------------------------------------------------------------
def fusionarPredios(self, eleccion): #Aqui fusionamos los predios
#OBtener las capas
capaManzana = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('manzana'))
capaPuntos = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('predios.num'))
capaPredios = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('predios.geom'))
capaConstru = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('construcciones'))
capaCondH = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('horizontales.geom'))
#Puntos y eleccion de victima
seleccion = self.iface.activeLayer().selectedFeatures()
listaPuntos = [None, None]
#Definimos el predio 'victima
if eleccion == 0:
victima = 1
else:
victima = 0
#eliminamos el predio no elegido
self.eliminarNoElegido(seleccion[victima])
#Eliminar punto del predio no elegido
for punto in capaPuntos.getFeatures():
if punto.geometry().intersects(seleccion[victima].geometry(
)): #Bsucamos el punto del predio victima
capaPuntos.startEditing()
capaPuntos.dataProvider().deleteFeatures([punto.id()])
capaPuntos.triggerRepaint()
capaPuntos.commitChanges()
break
#Generar geometria del predio fusionado
rango = len(seleccion)
geomFusion = seleccion[0].geometry()
featFusion = QgsFeature()
capaPredios.startEditing()
#Generar geometria del predio fusionado
for i in range(0, rango):
self.iface.activeLayer().dataProvider().deleteFeatures(
[seleccion[i].id()])
geomFusion = geomFusion.combine(seleccion[i].geometry())
#self.geom
listaFinal = []
listaPrimera = []
featFusion.setGeometry(geomFusion)
#Renombrar construcciones
cuentaConstruccion = 1
capaConstru.startEditing()
#--------Renombrar construcciones----
for construccion in capaConstru.getFeatures():
geomConstru = construccion.geometry()
if geomConstru.buffer(-0.0000001, 1).intersects(
geomFusion
): #Sacamos las construcciones dentro del predio fusionado
listaPrimera.append(construccion)
else:
if self.contarIntegraciones(
geomConstru.buffer(-0.0000001, 1), 'predios.geom'
) == 0: #Obtenemos los aleros del predio fusionado
if geomConstru.buffer(
0.0000001,
1).intersection(geomFusion).area() > 0.000000001:
#print(geomConstru.buffer(0.0000001, 1).intersection(geomFusion).area())
listaPrimera.append(construccion)
for construccion in listaPrimera:
geomConstru = construccion.geometry()
seIncluye = True
for condominio in capaCondH.getFeatures():
geomHori = condominio.geometry()
if geomConstru.buffer(-0.0000001, 1).intersects(geomHori):
seIncluye = False
break
if seIncluye:
listaFinal.append(construccion)
supConst = 0 #Renombramos ls volumenes
for construccion in listaFinal:
geomConstru = construccion.geometry()
construccion['nom_volumen'] = 'V' + str(cuentaConstruccion)
niveles = construccion['num_niveles']
if niveles <= 0:
niveles = 1
capaConstru.updateFeature(construccion)
cuentaConstruccion += 1
supConst += (geomConstru.area() * niveles)
#----------------------------------------------
#Estableer atributos del predio fusionado
idx1 = capaPredios.fields().lookupField('sup_terr')
idx2 = capaPredios.fields().lookupField('sup_contruccion')
attr = seleccion[eleccion].attributes()
attr[idx1] = geomFusion.area()
attr[idx2] = supConst
featFusion.setAttributes(attr)
capaPredios.updateFeature(featFusion)
capaPredios.dataProvider().addFeatures([featFusion])
capaPredios.triggerRepaint()
capaPredios.commitChanges()
self.UTI.mostrarAlerta('Fusion completada con exito',
QMessageBox().Information, 'Fusion de predios')
self.dlg.close()
#-----------------------------------------------------------------------------------
#Aqui contmaos cuantas geometrias de una capa toca una geomtrias especifica
def contarIntegraciones(self, geometria, nombreCapa):
capa = QgsProject.instance().mapLayersByName(nombreCapa)[0]
cuenta = 0
for feat in capa.getFeatures():
if geometria.intersects(feat.geometry()):
cuenta += 1
return cuenta
#---------------------------------------------------------------------------
#Poinemos en lista de eliminados el predio no elegido
def eliminarNoElegido(self, feat):
campos = {}
campos['wkt'] = feat.geometry().asWkt()
campos['srid'] = 32614
campos['tabla'] = 'e_predio'
atributos = {}
capaPredios = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('predios.geom'))
nombresAtrbutos = capaPredios.fields()
nombres = [campo.name() for campo in nombresAtrbutos]
for x in range(0, len(nombres)):
atributo = feat.attributes()[x]
if str(feat.attributes()[x]) == "NULL":
atributo = None
atributos[str(nombres[x])] = atributo
campos['attr'] = atributos
campos['nuevo'] = False
campos['eliminado'] = True
listaTemp = QSettings().value('listaEliminada')
listaTemp.append(campos)
QSettings().setValue('listaEliminada', listaTemp)
#--------------------------------------------------------------------------
#Activamos el modo de division
def pasarAModoDivision(self):
clave = self.dlg.comboPredios.currentText(
) #Obtenemos la clave del predio a editar
if clave == '':
self.UTI.mostrarAlerta(
'Primero debes cargar una manzana de la seccion de consulta',
QMessageBox().Critical, 'Error de cargado de predio')
return
capaPredios = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('predios.geom'))
#capaPredios.setReadOnly(False)
capaPredios.startEditing()
self.predioEnDivision = None
for predio in capaPredios.getFeatures(
): #Obtenemos el feature a dividr con base en la clave elegida
if predio.attributes()[1] == clave:
self.predioEnDivision = predio
break
if self.predioEnDivision != None:
self.atributosAHeredar = self.predioEnDivision.attributes(
) #Obtenemos los atributos a heredar
self.atributosAHeredar[1] = None #Ponemos le id como vacio
self.rubberMarca.reset(
QgsWkbTypes.PolygonGeometry) #Borramos la geometria amarillita
self.UTI.mostrarAlerta(
"Dibuja las lineas de corte sobre el predio indicado.\nRecuerda que los cortes no pueden estar sobre construcciones o condiminios.\nAsegurate que las lineas atraviesen el predio por completo\nNOTA: Las lineas solo afectaran al predio seleccionado.",
QMessageBox().Information, "Subdivision de predios")
self.cargoPredio = True
self.encenderModoDividir() #Encendemos modo dividir
capaPredios.commitChanges()
self.geomEnDivision = self.predioEnDivision.geometry()
n = 0 #Obtenemos todos los vertices de la geometria en division
ver = self.geomEnDivision.vertexAt(0)
listaVertices = []
while (ver != QgsPoint(0, 0)):
n += 1
ver = self.geomEnDivision.vertexAt(n)
listaVertices.append(ver)
listaVertices.append(listaVertices[0])
rangoVertices = len(listaVertices)
for x in range(0, rangoVertices - 2):
vertice = listaVertices[x]
self.rubberMarca.addPoint(QgsPointXY(vertice.x(), vertice.y()),
True)
self.rubberMarca.show(
) #Aqui pintamos de amarillito la geometria en division
self.dlg.btnFusionar.setEnabled(False)
self.dlg.btnCancelarSub.setEnabled(True)
self.dlg.btnCargarPredio.setEnabled(False)
self.dlg.comboPredios.setEnabled(False)
self.dlg.comboPredios.setEnabled(False)
self.dlg.btnConfirmarCortes.setEnabled(True)
self.dlg.btnDeshacerTodo.setEnabled(True)
self.dlg.btnDeshacerCortes.setEnabled(True)
self.dlg.btnLlamarCalcular.setEnabled(True)
else:
self.UTI.mostrarAlerta('El predio no fue encontrado',
QMessageBox().Critical,
'Error de cargado de predio')
#-------------------------------------------------------------------------
def cancelarSubdivision(self):
mensaje = "El modo de division se apagara, el progreso se perdera\nDeseas continuar?"
respuesta = QMessageBox.question(iface.mainWindow(),
"Cancelar subdivision", mensaje,
QMessageBox.Yes, QMessageBox.No)
#Si el usuario acepta....
if respuesta == QMessageBox.Yes:
self.vaciarRubbers()
self.predioEnDivision = None
self.geomEnDivision = None
self.modoDividir = False
self.modoEliminar = False
self.apagarHerramientas()
self.dlg.btnCancelarSub.setEnabled(False)
self.dlg.btnCargarPredio.setEnabled(True)
self.dlg.comboPredios.setEnabled(True)
self.dlg.btnFusionar.setEnabled(True)
self.dlg.btnConfirmarCortes.setEnabled(False)
self.dlg.btnDeshacerCortes.setEnabled(False)
self.dlg.btnLlamarCalcular.setEnabled(False)
self.dlg.btnApagarHerramientas.setEnabled(False)
self.dlg.btnEliminarCortes.setEnabled(False)
self.dlg.btnDibujarCortes.setEnabled(False)
self.dlg.btnEditarCortes.setEnabled(False)
self.dlg.btnDeshacerTodo.setEnabled(False)
#-----------------------------------------------------------------------------------
#--------------------------------------------
def confirmarCortes(self): #Aqui cehcamos que los cortes esten en orden
#cuentaCortes = 0
rango = len(self.eventos.relaciones) - 1
#for i in range(0, rango):
# geom = self.eventos.relaciones[i].geom
# if geom != None:
# cuentaCortes += 1
#Obtenemos la cantidad de corte
#print('cuentaCortes ', cuentaCortes)
geoTemp = QgsGeometry.fromWkt(self.geomEnDivision.asWkt())
cuentaSalida = self.subdividirPredio(
geoTemp, True
) - 1 #Aqui enviamos una geomtria temporal, para ven en cuantos cortes quedara
if cuentaSalida >= 2:
listaNoTocar = []
capaPredios = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('predios.geom'))
capaCondH = QgsProject.instance().mapLayersByName(
'horizontales.geom')[0]
capaCondV = QgsProject.instance().mapLayersByName('verticales')[0]
capaConstru = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('construcciones'))
#Obtenemos los features que no deben tocarse
for feat in capaConstru.getFeatures():
geom = feat.geometry().buffer(-0.0000002, 1)
if geom.intersects(self.geomEnDivision):
listaNoTocar.append(geom)
for feat in capaCondH.getFeatures():
geom = feat.geometry().buffer(-0.0000002, 1)
if geom.intersects(self.geomEnDivision):
listaNoTocar.append(geom)
for feat in capaCondV.getFeatures():
geom = feat.geometry().buffer(-0.0000002, 1)
if geom.intersects(self.geomEnDivision):
listaNoTocar.append(geom)
bandera = True
#Aqui checamos que cada linea no toque lo no tocable
for i in range(0, rango):
for comp in listaNoTocar:
geom = self.eventos.relaciones[i].geom
if geom != None:
if geom.buffer(0.0000001, 1).intersects(comp):
bandera = False
self.eventos.relaciones[i].rubber.setStrokeColor(
QColor(255, 0, 0, 255))
else:
self.eventos.relaciones[i].rubber.setStrokeColor(
QColor(0, 61, 240, 255))
iface.mapCanvas().refresh()
if bandera: #Si todo esta en orden
self.eventos.rubberPunto.reset(QgsWkbTypes.PointGeometry)
self.apagarHerramientas()
#mostramos mensaje de confirmacion
mensaje = "La cantidad de predios que quedaran como resultado, es de: " + str(
cuentaSalida) + "\nDeseas continua?"
respuesta = QMessageBox.question(
iface.mainWindow(), "Nota de subdivision de predio",
mensaje, QMessageBox.Yes, QMessageBox.No)
#Si el usuario acepta....
if respuesta == QMessageBox.Yes:
self.subdividirPredio(self.geomEnDivision, False)
self.rubberMarca.reset(
QgsWkbTypes.PolygonGeometry) #Quitamos lo amarillito
for i in range(0, rango):
self.eventos.relaciones[i].rubber.reset(
QgsWkbTypes.LineGeometry)
self.eventos.relaciones[i].vaciarMarcadores()
self.eventos.recargarRelaciones()
capaPredios.startEditing()
capaPredios.dataProvider().deleteFeatures(
[self.predioEnDivision.id()])
capaPredios.triggerRepaint()
capaPredios.commitChanges()
self.VentanaAreas.close()
self.limpiarAreas()
self.vaciarRubbers()
self.UTI.mostrarAlerta(
"La division ha sido realizada con exito\nLos cambios se guardaran hasta que asignes las claves.",
QMessageBox().Information,
"Subdivision completa, Parte 1 de 2")
self.irAClaves(
) #Mostramos la ventana que llena las claves
iface.actionSelect().trigger()
else:
self.UTI.mostrarAlerta(
"Las lineas de division no deben atravesar construcciones ni condominios\nLas lineas rojas presentan un corte invalido",
QMessageBox().Critical, "Error en subdivision")
else:
print('cuentasalida ', cuentaSalida)
self.UTI.mostrarAlerta(
"Primero debes dibujar las lineas de corte\nAsegurate que las lineas atraviesen por completo el predio",
QMessageBox().Critical, "Error en subdivision")
##################################################################################
def vaciarLineasCorte(self):
rango = len(self.eventos.relaciones) - 1
for i in range(0, rango):
self.eventos.relaciones[i].rubber.reset(QgsWkbTypes.LineGeometry)
self.eventos.relaciones[i].vaciarMarcadores()
self.eventos.recargarRelaciones()
#-------------------------------------------------------------------------------------
def subdividirPredio(self, geometria, modoPre): #Subdividir
capaHori = QgsProject.instance().mapLayersByName(
'horizontales.geom')[0]
capaPredio = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('predios.geom'))
capaVert = QgsProject.instance().mapLayersByName('verticales')[0]
self.listaNuevosPredios = []
self.geomsAreas = []
listaParam = [] #La lista que llega al fileteo
rango = len(self.eventos.relaciones) - 1
for i in range(0, rango):
geom = self.eventos.relaciones[i].geom
if geom != None:
listaParam.append(
geom.asPolyline()) #Generamos los polyline van a partir
salida = self.filetear(
geometria,
listaParam) #Mandamos filetear el poligono con las lineas
if modoPre: #Si es modoPre, es solo para visaulizar cuantos poligonos quedarian...
for cadaUno in salida:
self.geomsAreas.append(cadaUno)
return len(salida)
else: #Si no, efectuamos realmente el corte
for cadaUno in salida:
nuevoFeat = QgsFeature()
nuevoFeat.setGeometry(cadaUno)
#Agregamos cada predio a la capa y le ponemos sus atributos
self.asignarAtributos(nuevoFeat)
capaPredio.startEditing()
capaPredio.dataProvider().addFeatures([nuevoFeat])
capaPredio.triggerRepaint()
capaPredio.commitChanges()
self.listaNuevosPredios.append(nuevoFeat.geometry().asWkt())
self.apagarHerramientas()
self.dlg.btnCargarPredio.setEnabled(True)
##################################################################################
#Metodo para filetear los predios con lineas
#OJO: Ni se te ocurra moverle aqui karnal, seguramente la vas a pifiar :)
def filetear(self, poligono, lineas):
listaActuales = [] #Lista de las geometrias en espera de ser cortadas
listaActuales.append(
poligono) #Agregamos el poligono a cortar en la lista de espera
listaSiguiente = [
poligono
] #Agregamos le poligono a cortar en la lista de la siguiente interacion
for linea in lineas: #Iteramos cada linea de corte
listaActuales = listaSiguiente #Igualamos la lista de corte a la iteracion anterior
listaSiguiente = [
] #Vaciamos la lista que dara lugar a la siguiente iteracion de corte
for actual in listaActuales: #Checamos cada geometria en espera
partida = actual.splitGeometry(
linea, True
) #Aplicamos el split geometry de qgis, vamos partiendo el poligono, tut, tut, tut
if len(partida[1]
) == 0: #Esto ocurre cuando el corte no hizo nada
listaSiguiente.append(
actual
) #Asi que nos quedamos con la geometria tal cual esta
else: #Cuando si hubo corte
parte1 = partida[1][
0] #obtenemos la geometria resultante del corte, VER DOCUMENTACION DE SPLITGEOMETRY PARA ENTENDER
parte2 = actual.difference(
parte1
) #Al poligono que se corto, le quitamos la parte previa al corte anterior
#De esta forma nos quedamos con la geometria partida en 2
if parte1.area(
) > 0.0: #Checamos que el area de esta parte sea mayor que 0, por motivos de los decimales
listaSiguiente.append(
parte1
) #Si es asi, significa un fragmento que puede ser cortado por otra linea
if parte2.area() > 0.0: #Lo mismo
listaSiguiente.append(parte2)
temporal = poligono #Obtenemos una geometria igualita al poligono entrannte
for geomSal in listaSiguiente: #Obtenemos las diferencia respeto a los poligonos obtenidos y el entrante, lo que resulte, tambien es parte del corte
temporal = temporal.difference(geomSal.buffer(0.0000001, 1))
#El buffer tu sabes por que es, si llegaste hasta aqui y no sabes por que le ponemos buffer, mejor quita los cambios que hiciste colega, seguramente la pifiaste :)
listaSiguiente.append(temporal) #Aqui ponemos todas las geometrias
return listaSiguiente #Retornamos la lista
#-------------------------------------------------------------------------
def encenderModoDividir(self): #Activamos el modo de dividir
self.eventos.modoDividir = True
self.eventos.modoEliminar = False
self.eventos.modoEditar = False
self.dlg.btnDibujarCortes.setEnabled(False)
self.dlg.btnEditarCortes.setEnabled(True)
self.dlg.btnEliminarCortes.setEnabled(True)
self.dlg.btnApagarHerramientas.setEnabled(True)
self.dlg.btnConfirmarCortes.setEnabled(True)
self.dlg.btnDeshacerTodo.setEnabled(True)
self.dlg.btnCargarPredio.setEnabled(False)
iface.mapCanvas().setCursor(self.DBJ.eventos.cursorRedondo)
#----------------------------------------------------------------------------
def encenderModoEditar(self): #Activamos el modo de dividir
self.eventos.modoDividir = False
self.eventos.modoEliminar = False
self.eventos.modoEditar = True
self.dlg.btnDibujarCortes.setEnabled(True)
self.dlg.btnEditarCortes.setEnabled(False)
self.dlg.btnEliminarCortes.setEnabled(True)
self.dlg.btnApagarHerramientas.setEnabled(True)
self.dlg.btnConfirmarCortes.setEnabled(True)
self.dlg.btnDeshacerTodo.setEnabled(True)
self.dlg.btnCargarPredio.setEnabled(False)
iface.mapCanvas().setCursor(self.DBJ.eventos.cursorRedondo)
#----------------------------------------------------------------------------
def encenderModoEliminar(self): #Activamos el modo de eliminar
self.eventos.modoDividir = False
self.eventos.modoEliminar = True
self.eventos.modoEditar = False
self.dlg.btnDibujarCortes.setEnabled(True)
self.dlg.btnEditarCortes.setEnabled(True)
self.dlg.btnEliminarCortes.setEnabled(False)
self.dlg.btnApagarHerramientas.setEnabled(True)
self.dlg.btnConfirmarCortes.setEnabled(True)
self.dlg.btnCargarPredio.setEnabled(False)
iface.mapCanvas().setCursor(self.DBJ.eventos.cursorCuadro)
#----------------------------------------------------------------------------
def apagarHerramientas(self): #Apagamos las herramientas
self.eventos.modoDividir = False
self.eventos.modoEliminar = False
self.eventos.modoEditar = False
self.dlg.btnDibujarCortes.setEnabled(True)
self.dlg.btnEliminarCortes.setEnabled(True)
self.dlg.btnEditarCortes.setEnabled(True)
self.dlg.btnApagarHerramientas.setEnabled(False)
self.dlg.btnConfirmarCortes.setEnabled(True)
self.dlg.btnCargarPredio.setEnabled(False)
iface.mapCanvas().setCursor(self.DBJ.eventos.cursorCruz)
#-----------------------------------------------------------------
def rollBack(self): #Deshacemos cambios
mensaje = "Todos los cambio se perderan, el area de trabajo se limpiara... deseas continuar?"
respuesta = QMessageBox.question(iface.mainWindow(),
"Cancelar cambios", mensaje,
QMessageBox.Yes, QMessageBox.No)
#Si el usuario acepta....
if respuesta == QMessageBox.Yes:
self.eventos.modoDividir = False
self.eventos.modoEliminar = False
self.dlg.close()
self.VentanaClaves.dlg.close()
self.vaciarRubbers()
self.predioEnDivision = None
self.geomEnDivision = None
self.VentanaAreas.close()
self.UTI.limpiarCanvas()
#------------------------------------------------------------
def vaciarRubbers(self):
rango = len(self.eventos.relaciones) - 1
for i in range(0, rango):
self.eventos.relaciones[i].rubber.reset(QgsWkbTypes.LineGeometry)
#self.eventos.relaciones[i].geom = None
self.eventos.relaciones[i].vaciarMarcadores()
self.eventos.recargarRelaciones()
self.rubberMarca.reset(QgsWkbTypes.PolygonGeometry)
#self.eventos.vaciarMarcadores()
#-----------------------------------------------------------------
def asignarAtributos(self, feat): #Asignamos los atributos
capaPredios = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('predios.geom'))
campos = capaPredios.fields()
nombres = [campo.name() for campo in campos]
listaAsignacion = []
for nombre in nombres:
idx = capaPredios.fields().lookupField(nombre)
if nombre == 'sup_terr':
attr = feat.geometry().area()
elif nombre == 'sup_contruccion':
attr = self.calcularSupConst(feat)
elif nombre == 'clave':
attr = ''
elif nombre == 'cve_cat':
attr = ''
elif nombre == 'id':
attr = ''
else:
attr = self.predioEnDivision.attributes()[idx]
listaAsignacion.append(attr)
capaPredios.startEditing()
feat.setAttributes(listaAsignacion)
capaPredios.triggerRepaint()
capaPredios.commitChanges()
#------------------------------------------------------------
def calcularSupConst(self, feat): #calculamos superficie de construccion
capaConstru = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('construcciones'))
capaCondH = QgsProject.instance().mapLayer(
self.ACA.obtenerIdCapa('horizontales.geom'))
listaFinal = []
listaPrimera = []
#Renombrar construcciones
cuentaConstruccion = 1
capaConstru.startEditing()
geomFeat = feat.geometry()
#--------Renombrar construcciones----
for construccion in capaConstru.getFeatures():
geomConstru = construccion.geometry()
if geomConstru.buffer(-0.0000001, 1).intersects(
geomFeat
): #Sacamos las construcciones dentro del predio fusionado
listaPrimera.append(construccion)
else:
if self.contarIntegraciones(
geomConstru.buffer(-0.0000001, 1), 'predios.geom'
) == 0: #Obtenemos los aleros del predio fusionado
if geomConstru.buffer(
0.0000001,
1).intersection(geomFeat).area() > 0.000000001:
#print(geomConstru.buffer(0.0000001, 1).intersection(geomFusion).area())
listaPrimera.append(construccion)
for construccion in listaPrimera:
geomConstru = construccion.geometry()
seIncluye = True
for condominio in capaCondH.getFeatures():
geomHori = condominio.geometry()
if geomConstru.buffer(-0.0000001, 1).intersects(geomHori):
seIncluye = False
break
if seIncluye:
listaFinal.append(construccion)
supConst = 0 #Renombramos ls volumenes
for construccion in listaFinal:
geomConstru = construccion.geometry()
construccion['nom_volumen'] = 'V' + str(cuentaConstruccion)
niveles = construccion['num_niveles']
if niveles <= 0:
niveles = 1
capaConstru.updateFeature(construccion)
cuentaConstruccion += 1
supConst += (geomConstru.area() * niveles)
return supConst
#--------------------------------------------------------------------------------------------------
def irAClaves(self): #Pintamos la ventanita de asignar clavees
self.VentanaClaves.rellenarClaves()
self.VentanaClaves.llenar(False)
self.VentanaClaves.dlg.show()
#self.dlg.close()
self.dlg.btnDibujarCortes.setEnabled(False)
self.dlg.btnEditarCortes.setEnabled(False)
self.dlg.btnEliminarCortes.setEnabled(False)
self.dlg.btnApagarHerramientas.setEnabled(False)
self.dlg.btnConfirmarCortes.setEnabled(False)
self.dlg.btnCargarPredio.setEnabled(False)
self.dlg.btnDeshacerCortes.setEnabled(False)
self.dlg.btnLlamarCalcular.setEnabled(False)
self.dlg.btnCancelarSub.setEnabled(False)
self.dlg.comboPredios.setEnabled(False)
self.enClaves = True
#-------------------------------------------------------------------------
def irAreas(self):
self.limpiarAreas()
self.rubberMarca.reset(QgsWkbTypes.PolygonGeometry)
geoTemp = QgsGeometry.fromWkt(self.geomEnDivision.asWkt())
self.subdividirPredio(geoTemp, True)
self.listaColores = []
for geom in self.geomsAreas:
if geom.area() <= 0:
continue
newRub = self.eventos.crearNuevoRubberPoly()
n = 0 #Obtenemos todos los vertices de la geometria en division
ver = geom.vertexAt(0)
listaVertices = []
while (ver != QgsPoint(0, 0)):
n += 1
ver = geom.vertexAt(n)
listaVertices.append(ver)
listaVertices.append(listaVertices[0])
rangoVertices = len(listaVertices)
for x in range(0, rangoVertices - 2):
vertice = listaVertices[x]
newRub.addPoint(QgsPointXY(vertice.x(), vertice.y()), True)
newRub.show()
self.rubbersAreas.append(newRub)
self.VentanaAreas.mostrarAreas()
#for geom in self.geomsAreas:
#--------------------------------------------------------------------
def limpiarAreas(self):
for rub in self.rubbersAreas:
rub.reset(QgsWkbTypes.PolygonGeometry)
self.rubbersAreas = []
#------------------------------------------------------------------
def quitarAreas(self):
self.limpiarAreas()
n = 0 #Obtenemos todos los vertices de la geometria en division
if self.geomEnDivision == None:
return
ver = self.geomEnDivision.vertexAt(0)
listaVertices = []
while (ver != QgsPoint(0, 0)):
n += 1
ver = self.geomEnDivision.vertexAt(n)
listaVertices.append(ver)
listaVertices.append(listaVertices[0])
rangoVertices = len(listaVertices)
for x in range(0, rangoVertices - 2):
vertice = listaVertices[x]
self.rubberMarca.addPoint(QgsPointXY(vertice.x(), vertice.y()),
True)
self.rubberMarca.show(
) #Aqui pintamos de amarillito la geometria en division
#--------------------------------------------------------------------------
def closeEvent(self, evnt):
if self.enClaves:
evnt.ignore()
class QgepMapToolConnectNetworkElements(QgsMapTool):
"""
This map tool connects wastewater networkelements.
It works on two lists of layers:
source layers with fields with a foreign key to a networkelement
target layers which depict networkelements (reaches and network nodes)
The tool will snap to source layers first and once one is chosen to a target layer.
It will then ask which field(s) should be connected and perform the update on the database
"""
def __init__(self, iface, action):
QgsMapTool.__init__(self, iface.mapCanvas())
self.iface = iface
self.action = action
self.rbline = QgsRubberBand(self.iface.mapCanvas(), QGis.Line)
self.rbline.setColor(QColor('#f4530e'))
self.rbline.setWidth(3)
self.rbmarkers = QgsRubberBand(self.iface.mapCanvas(), QGis.Point)
self.rbmarkers.setColor(QColor('#f4530e'))
self.rbmarkers.setIconSize(6)
self.source_snapper = QgepAreaSnapper(self.iface.mapCanvas())
self.target_snapper = QgepAreaSnapper(self.iface.mapCanvas())
self.source_feature = QgsFeature()
self.rb_source_feature = QgsRubberBand(self.iface.mapCanvas())
self.rb_source_feature.setColor(QColor('#f49e79'))
self.rb_source_feature.setWidth(3)
self.target_feature = QgsFeature()
self.rb_target_feature = QgsRubberBand(self.iface.mapCanvas())
self.rb_target_feature.setColor(QColor('#f49e79'))
self.rb_target_feature.setWidth(3)
def activate(self):
"""
Called by QGIS whenever the tool is activated.
"""
source_snap_layers = list()
target_snap_layers = list()
# A dict of layers and the fields that are foreign keys
# pointing to wastewater networkelements
self.network_element_sources = {
QgepLayerManager.layer('vw_qgep_reach'): [
('rp_to_fk_wastewater_networkelement',
QCoreApplication.translate('QgepMapToolConnectNetworkElements', 'Reach Point To')),
('rp_from_fk_wastewater_networkelement',
QCoreApplication.translate('QgepMapToolConnectNetworkElements', 'Reach Point From'))
],
QgepLayerManager.layer('od_catchment_area'): [
('fk_wastewater_networkelement_rw_current', QCoreApplication.translate(
'QgepMapToolConnectNetworkElements', 'Rainwater current')),
('fk_wastewater_networkelement_rw_planned', QCoreApplication.translate(
'QgepMapToolConnectNetworkElements', 'Rainwater planned')),
('fk_wastewater_networkelement_ww_current', QCoreApplication.translate(
'QgepMapToolConnectNetworkElements', 'Wastewater current')),
('fk_wastewater_networkelement_ww_planned', QCoreApplication.translate(
'QgepMapToolConnectNetworkElements', 'Wastewater planned'))
]
}
# A list of layers that can be used as wastewater networkelement
# targets
self.network_element_targets = [
QgepLayerManager.layer('vw_wastewater_node'),
QgepLayerManager.layer('vw_qgep_reach')
]
for layer in self.network_element_sources.keys():
if layer:
snap_layer = QgsSnappingUtils.LayerConfig(
layer, QgsPointLocator.All, 16, QgsTolerance.Pixels)
source_snap_layers.append(snap_layer)
for layer in self.network_element_targets:
if layer:
snap_layer = QgsSnappingUtils.LayerConfig(
layer, QgsPointLocator.All, 16, QgsTolerance.Pixels)
target_snap_layers.append(snap_layer)
self.source_snapper.setLayers(source_snap_layers)
self.source_snapper.setSnapToMapMode(QgsSnappingUtils.SnapAdvanced)
self.target_snapper.setLayers(target_snap_layers)
self.target_snapper.setSnapToMapMode(QgsSnappingUtils.SnapAdvanced)
self.reset()
self.action.setChecked(True)
self.iface.mapCanvas().setCursor(QCursor(Qt.CrossCursor))
def canvasMoveEvent(self, event):
"""
When the mouse moves, update the rubberbands.
"""
pt = event.originalMapPoint()
snap_match = self.snapper.snapToMap(pt)
if snap_match.isValid():
if snap_match.type() != QgsPointLocator.Area:
pt = snap_match.point()
self.matchpoint = pt
if self.source_match:
if self.target_feature.id() != snap_match.featureId():
self.target_feature = self.get_feature_for_match(
snap_match)
self.rb_target_feature.setToGeometry(
self.target_feature.geometry(), snap_match.layer())
self.rb_target_feature.show()
self.rbmarkers.movePoint(pt)
else:
if self.source_feature.id() != snap_match.featureId():
self.source_feature = self.get_feature_for_match(
snap_match)
self.rb_source_feature.setToGeometry(
self.source_feature.geometry(), snap_match.layer())
self.rb_source_feature.show()
self.rbmarkers.movePoint(pt, 0)
self.rbmarkers.show()
else:
self.rbmarkers.hide()
if self.source_match:
self.rb_target_feature.hide()
else:
self.rb_source_feature.hide()
self.rbline.movePoint(pt)
self.snapresult = snap_match
def canvasReleaseEvent(self, event):
"""
On a click update the rubberbands and the snapping results if it's a left click. Reset if it's a right click.
"""
if event.button() == Qt.LeftButton:
if self.snapresult.isValid():
if self.source_match:
self.connect_features(self.source_match, self.snapresult)
else:
self.rbline.show()
self.rbline.addPoint(self.matchpoint)
self.source_match = self.snapresult
self.snapper = self.target_snapper
else:
self.reset()
def deactivate(self):
"""
Called by QGIS whenever this tool is deactivated.
"""
self.reset()
self.action.setChecked(False)
def reset(self):
"""
Resets the tool to a pristine state
"""
self.source_match = None
self.rbline.hide()
self.rbline.reset()
self.rbmarkers.hide()
self.rbmarkers.reset(QGis.Point)
self.rbmarkers.addPoint(QgsPoint())
self.snapresult = None
self.source_match = None
self.snapper = self.source_snapper
self.source_feature = QgsFeature()
self.target_feature = QgsFeature()
self.rb_source_feature.reset()
self.rb_target_feature.reset()
def get_feature_for_match(self, match):
"""
Get the feature for a snapping result
@param match: The QgsPointLocator.SnapMatch object
@return: A feature
"""
return next(match.layer().getFeatures(QgsFeatureRequest().setFilterFid(match.featureId())))
def connect_features(self, source, target):
"""
Connects the source feature with the target feature.
@param source: A QgsPointLocator.Match object. Its foreign key will be updated.
A dialog will be opened which asks the user for which foreign key(s) he wants to update.
@param target: A QgsPointLocator.Match object. This feature will be used as link target.
Its obj_id attribute will be used as primary key.
"""
dlg = QDialog(self.iface.mainWindow())
dlg.setWindowTitle(self.tr('Select properties to connect'))
dlg.setLayout(QFormLayout())
properties = list()
for prop in self.network_element_sources[source.layer()]:
cbx = QCheckBox(prop[1])
cbx.setObjectName(prop[0])
properties.append(cbx)
dlg.layout().addWidget(cbx)
btn_box = QDialogButtonBox(
QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
dlg.layout().addWidget(btn_box)
btn_box.accepted.connect(dlg.accept)
btn_box.rejected.connect(dlg.reject)
source_feature = self.get_feature_for_match(source)
target_feature = self.get_feature_for_match(target)
if dlg.exec_():
for cbx in properties:
if cbx.isChecked():
source_feature[cbx.objectName()] = target_feature['obj_id']
if source.layer().updateFeature(source_feature):
self.iface.messageBar().pushMessage('QGEP',
self.tr('Connected {} to {}').format(
source_feature[
'identifier'],
target_feature['identifier']),
QgsMessageBar.INFO, 5)
else:
self.iface.messageBar().pushMessage('QGEP',
self.tr(
'Error connecting features'),
QgsMessageBar.WARNING, 5)
self.reset()
class MapWidget(Ui_CanvasWidget, QMainWindow):
def __init__(self, parent=None):
super(MapWidget, self).__init__(parent)
self.setupUi(self)
self.firstshow = True
self.layerbuttons = []
self.editfeaturestack = []
self.lastgpsposition = None
self.project = None
self.gps = None
self.gpslogging = None
self.selectionbands = defaultdict(partial(QgsRubberBand, self.canvas))
self.canvas.setCanvasColor(Qt.white)
self.canvas.enableAntiAliasing(True)
self.canvas.setWheelAction(QgsMapCanvas.WheelZoomToMouseCursor)
if hasattr(self.canvas, 'setParallelRenderingEnabled'):
self.canvas.setParallelRenderingEnabled(True)
pal = QgsPalLabeling()
self.canvas.mapRenderer().setLabelingEngine(pal)
self.canvas.setFrameStyle(QFrame.NoFrame)
self.editgroup = QActionGroup(self)
self.editgroup.setExclusive(True)
self.editgroup.addAction(self.actionPan)
self.editgroup.addAction(self.actionZoom_In)
self.editgroup.addAction(self.actionZoom_Out)
self.editgroup.addAction(self.actionInfo)
self.actionGPS = GPSAction(":/icons/gps", self.canvas, self)
self.projecttoolbar.addAction(self.actionGPS)
gpsspacewidget= QWidget()
gpsspacewidget.setMinimumWidth(30)
gpsspacewidget.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.topspaceraction = self.projecttoolbar.insertWidget(self.actionGPS, gpsspacewidget)
self.dataentryselection = QAction(self.projecttoolbar)
self.dataentryaction = self.projecttoolbar.insertAction(self.topspaceraction, self.dataentryselection)
self.dataentryselection.triggered.connect(self.select_data_entry)
self.marker = GPSMarker(self.canvas)
self.marker.hide()
self.currentfeatureband = QgsRubberBand(self.canvas)
self.currentfeatureband.setIconSize(20)
self.currentfeatureband.setWidth(10)
self.currentfeatureband.setColor(QColor(186, 93, 212, 76))
self.gpsband = QgsRubberBand(self.canvas)
self.gpsband.setColor(QColor(0, 0, 212, 76))
self.gpsband.setWidth(5)
RoamEvents.editgeometry.connect(self.queue_feature_for_edit)
RoamEvents.selectioncleared.connect(self.clear_selection)
RoamEvents.selectionchanged.connect(self.highlight_selection)
RoamEvents.featureformloaded.connect(self.feature_form_loaded)
self.connectButtons()
def init_qgisproject(self, doc):
parser = ProjectParser(doc)
canvasnode = parser.canvasnode
self.canvas.freeze()
self.canvas.mapRenderer().readXML(canvasnode)
self.canvaslayers = parser.canvaslayers()
self.canvas.setLayerSet(self.canvaslayers)
#red = QgsProject.instance().readNumEntry( "Gui", "/CanvasColorRedPart", 255 )[0];
#green = QgsProject.instance().readNumEntry( "Gui", "/CanvasColorGreenPart", 255 )[0];
#blue = QgsProject.instance().readNumEntry( "Gui", "/CanvasColorBluePart", 255 )[0];
#color = QColor(red, green, blue);
#self.canvas.setCanvasColor(color)
self.canvas.updateScale()
return self.canvas.mapRenderer().destinationCrs()
def showEvent(self, *args, **kwargs):
if self.firstshow:
self.canvas.refresh()
self.canvas.repaint()
self.firstshow = False
def feature_form_loaded(self, form, feature, project, editmode):
self.currentfeatureband.setToGeometry(feature.geometry(), form.QGISLayer)
def highlight_selection(self, results):
self.clear_selection()
for layer, features in results.iteritems():
band = self.selectionbands[layer]
band.setColor(QColor(255, 0, 0, 200))
band.setIconSize(20)
band.setWidth(2)
band.setBrushStyle(Qt.NoBrush)
band.reset(layer.geometryType())
for feature in features:
band.addGeometry(feature.geometry(), layer)
def highlight_active_selection(self, layer, feature, features):
self.clear_selection()
self.highlight_selection({layer: features})
self.currentfeatureband.setToGeometry(feature.geometry(), layer)
def clear_selection(self):
# Clear the main selection rubber band
self.currentfeatureband.reset()
# Clear the rest
for band in self.selectionbands.itervalues():
band.reset()
self.editfeaturestack = []
def queue_feature_for_edit(self, form, feature):
def trigger_default_action():
for action in self.projecttoolbar.actions():
if action.property('dataentry') and action.isdefault:
action.trigger()
break
self.editfeaturestack.append((form, feature))
self.load_form(form)
trigger_default_action()
def clear_temp_objects(self):
def clear_tool_band():
"""
Clear the rubber band of the active tool if it has one
"""
tool = self.canvas.mapTool()
try:
tool.clearBand()
except AttributeError:
# No clearBand method found, but that's cool.
pass
self.currentfeatureband.reset()
clear_tool_band()
def settings_updated(self, settings):
self.actionGPS.updateGPSPort()
gpslogging = settings.get('gpslogging', True)
if self.gpslogging:
self.gpslogging.logging = gpslogging
def set_gps(self, gps, logging):
self.gps = gps
self.gpslogging = logging
self.gps.gpsposition.connect(self.gps_update_canvas)
self.gps.firstfix.connect(self.gps_first_fix)
self.gps.gpsdisconnected.connect(self.gps_disconnected)
def gps_update_canvas(self, position, gpsinfo):
# Recenter map if we go outside of the 95% of the area
if self.gpslogging.logging:
self.gpsband.addPoint(position)
self.gpsband.show()
if roam.config.settings.get('gpscenter', True):
if not self.lastgpsposition == position:
self.lastposition = position
rect = QgsRectangle(position, position)
extentlimt = QgsRectangle(self.canvas.extent())
extentlimt.scale(0.95)
if not extentlimt.contains(position):
self.zoom_to_location(position)
self.marker.show()
self.marker.setCenter(position)
def gps_first_fix(self, postion, gpsinfo):
zoomtolocation = roam.config.settings.get('gpszoomonfix', True)
if zoomtolocation:
self.canvas.zoomScale(1000)
self.zoom_to_location(postion)
def zoom_to_location(self, position):
rect = QgsRectangle(position, position)
self.canvas.setExtent(rect)
self.canvas.refresh()
def gps_disconnected(self):
self.marker.hide()
def select_data_entry(self):
def showformerror(form):
pass
def actions():
for form in self.project.forms:
action = form.createuiaction()
valid, failreasons = form.valid
if not valid:
roam.utils.warning("Form {} failed to load".format(form.label))
roam.utils.warning("Reasons {}".format(failreasons))
action.triggered.connect(partial(showformerror, form))
else:
action.triggered.connect(partial(self.load_form, form))
yield action
formpicker = PickActionDialog(msg="Select data entry form")
formpicker.addactions(actions())
formpicker.exec_()
def project_loaded(self, project):
self.project = project
self.actionPan.trigger()
try:
firstform = project.forms[0]
self.load_form(firstform)
self.dataentryselection.setVisible(True)
except IndexError:
self.dataentryselection.setVisible(False)
# Enable the raster layers button only if the project contains a raster layer.
layers = QgsMapLayerRegistry.instance().mapLayers().values()
hasrasters = any(layer.type() == QgsMapLayer.RasterLayer for layer in layers)
self.actionRaster.setEnabled(hasrasters)
self.defaultextent = self.canvas.extent()
roam.utils.info("Extent: {}".format(self.defaultextent.toString()))
self.infoTool.selectionlayers = project.selectlayersmapping()
self.canvas.freeze(False)
self.canvas.refresh()
def setMapTool(self, tool, *args):
self.canvas.setMapTool(tool)
def connectButtons(self):
def connectAction(action, tool):
action.toggled.connect(partial(self.setMapTool, tool))
def cursor(name):
pix = QPixmap(name)
pix = pix.scaled(QSize(24,24))
return QCursor(pix)
self.zoomInTool = QgsMapToolZoom(self.canvas, False)
self.zoomOutTool = QgsMapToolZoom(self.canvas, True)
self.panTool = PanTool(self.canvas)
self.infoTool = InfoTool(self.canvas)
connectAction(self.actionZoom_In, self.zoomInTool)
connectAction(self.actionZoom_Out, self.zoomOutTool)
connectAction(self.actionPan, self.panTool)
connectAction(self.actionInfo, self.infoTool)
self.zoomInTool.setCursor(cursor(':/icons/in'))
self.zoomOutTool.setCursor(cursor(':/icons/out'))
self.infoTool.setCursor(cursor(':/icons/info'))
self.actionRaster.triggered.connect(self.toggleRasterLayers)
self.infoTool.infoResults.connect(RoamEvents.selectionchanged.emit)
self.actionHome.triggered.connect(self.homeview)
def homeview(self):
"""
Zoom the mapview canvas to the extents the project was opened at i.e. the
default extent.
"""
self.canvas.setExtent(self.defaultextent)
self.canvas.refresh()
def load_form(self, form):
self.clearCapatureTools()
self.dataentryselection.setIcon(QIcon(form.icon))
self.dataentryselection.setText(form.icontext)
self.create_capture_buttons(form)
def create_capture_buttons(self, form):
tool = form.getMaptool()(self.canvas)
for action in tool.actions:
# Create the action here.
if action.ismaptool:
action.toggled.connect(partial(self.setMapTool, tool))
# Set the action as a data entry button so we can remove it later.
action.setProperty("dataentry", True)
self.editgroup.addAction(action)
self.layerbuttons.append(action)
self.projecttoolbar.insertAction(self.topspaceraction, action)
action.setChecked(action.isdefault)
if hasattr(tool, 'geometryComplete'):
add = partial(self.add_new_feature, form)
tool.geometryComplete.connect(add)
else:
tool.finished.connect(self.openForm)
tool.error.connect(partial(self.showUIMessage, form.label))
def add_new_feature(self, form, geometry):
"""
Add a new new feature to the given layer
"""
# TODO Extract into function.
# NOTE This function is doing too much, acts as add and also edit.
layer = form.QGISLayer
if layer.geometryType() in [QGis.WKBMultiLineString, QGis.WKBMultiPoint, QGis.WKBMultiPolygon]:
geometry.convertToMultiType()
try:
form, feature = self.editfeaturestack.pop()
self.editfeaturegeometry(form, feature, newgeometry=geometry)
return
except IndexError:
pass
layer = form.QGISLayer
fields = layer.pendingFields()
feature = QgsFeature(fields)
feature.setGeometry(geometry)
for index in xrange(fields.count()):
pkindexes = layer.dataProvider().pkAttributeIndexes()
if index in pkindexes and layer.dataProvider().name() == 'spatialite':
continue
value = layer.dataProvider().defaultValue(index)
feature[index] = value
RoamEvents.open_feature_form(form, feature, editmode=False)
def editfeaturegeometry(self, form, feature, newgeometry):
# TODO Extract into function.
layer = form.QGISLayer
layer.startEditing()
feature.setGeometry(newgeometry)
layer.updateFeature(feature)
saved = layer.commitChanges()
if not saved:
map(roam.utils.error, layer.commitErrors())
self.canvas.refresh()
self.currentfeatureband.setToGeometry(feature.geometry(), layer)
RoamEvents.editgeometry_complete.emit(form, feature)
def clearCapatureTools(self):
captureselected = False
for action in self.projecttoolbar.actions():
if action.objectName() == "capture" and action.isChecked():
captureselected = True
if action.property('dataentry'):
self.projecttoolbar.removeAction(action)
return captureselected
def toggleRasterLayers(self):
"""
Toggle all raster layers on or off.
"""
if not self.canvaslayers:
return
#Freeze the canvas to save on UI refresh
self.canvas.freeze()
for layer in self.canvaslayers:
if layer.layer().type() == QgsMapLayer.RasterLayer:
layer.setVisible(not layer.isVisible())
# Really!? We have to reload the whole layer set every time?
# WAT?
self.canvas.setLayerSet(self.canvaslayers)
self.canvas.freeze(False)
self.canvas.refresh()
def cleanup(self):
self.gpsband.reset()
self.gpsband.hide()
self.clear_selection()
self.clear_temp_objects()
self.clearCapatureTools()
self.canvas.freeze()
self.canvas.clear()
self.canvas.freeze(False)
for action in self.layerbuttons:
self.editgroup.removeAction(action)
class Qgis2threejsDialog(QDialog):
STYLE_MAX_COUNT = 4
def __init__(self, iface, properties=None):
QDialog.__init__(self, iface.mainWindow())
self.iface = iface
self.templateType = None
self.currentItem = None
self.currentPage = None
topItemCount = len(ObjectTreeItem.topItemNames)
if properties is None:
self.properties = [None] * topItemCount
for i in range(ObjectTreeItem.ITEM_OPTDEM, topItemCount):
self.properties[i] = {}
else:
self.properties = properties
# Set up the user interface from Designer.
self.ui = ui = Ui_Qgis2threejsDialog()
ui.setupUi(self)
self.setWindowFlags(self.windowFlags() | Qt.WindowMinimizeButtonHint)
ui.lineEdit_OutputFilename.setPlaceholderText("[Temporary file]")
ui.progressBar.setVisible(False)
ui.label_MessageIcon.setVisible(False)
ui.pushButton_Run.clicked.connect(self.run)
ui.pushButton_Close.clicked.connect(self.reject)
# set up map tool
self.previousMapTool = None
self.mapTool = RectangleMapTool(iface.mapCanvas())
#self.mapTool = PointMapTool(iface.mapCanvas())
# set up the template combo box
self.initTemplateList()
self.ui.comboBox_Template.currentIndexChanged.connect(self.currentTemplateChanged)
# set up the properties pages
self.pages = {}
self.pages[ppages.PAGE_WORLD] = ppages.WorldPropertyPage(self)
self.pages[ppages.PAGE_CONTROLS] = ppages.ControlsPropertyPage(self)
self.pages[ppages.PAGE_DEM] = ppages.DEMPropertyPage(self)
self.pages[ppages.PAGE_VECTOR] = ppages.VectorPropertyPage(self)
container = ui.propertyPagesContainer
for page in self.pages.itervalues():
page.hide()
container.addWidget(page)
# build object tree
self.topItemPages = {ObjectTreeItem.ITEM_WORLD: ppages.PAGE_WORLD, ObjectTreeItem.ITEM_CONTROLS: ppages.PAGE_CONTROLS, ObjectTreeItem.ITEM_DEM: ppages.PAGE_DEM}
self.initObjectTree()
self.ui.treeWidget.currentItemChanged.connect(self.currentObjectChanged)
self.ui.treeWidget.itemChanged.connect(self.objectItemChanged)
self.currentTemplateChanged() # update item visibility
ui.toolButton_Browse.clicked.connect(self.browseClicked)
#iface.mapCanvas().mapToolSet.connect(self.mapToolSet) # to show button to enable own map tool
self.localBrowsingMode = True
self.rb_quads = self.rb_point = None
self.objectTypeManager = ObjectTypeManager()
def showMessageBar(self, text, level=QgsMessageBar.INFO):
# from src/gui/qgsmessagebaritem.cpp
if level == QgsMessageBar.CRITICAL:
msgIcon = "/mIconCritical.png"
bgColor = "#d65253"
elif level == QgsMessageBar.WARNING:
msgIcon = "/mIconWarn.png"
bgColor = "#ffc800"
else:
msgIcon = "/mIconInfo.png"
bgColor = "#e7f5fe"
stylesheet = "QLabel {{ background-color:{0}; }}".format(bgColor)
label = self.ui.label_MessageIcon
label.setPixmap(QgsApplication.getThemeIcon(msgIcon).pixmap(24))
label.setStyleSheet(stylesheet)
label.setVisible(True)
label = self.ui.label_Status
label.setText(text)
label.setStyleSheet(stylesheet)
def clearMessageBar(self):
self.ui.label_MessageIcon.setVisible(False)
self.ui.label_Status.setText("")
self.ui.label_Status.setStyleSheet("QLabel { background-color: rgba(0, 0, 0, 0); }")
def initTemplateList(self):
cbox = self.ui.comboBox_Template
cbox.clear()
templateDir = QDir(tools.templateDir())
for i, entry in enumerate(templateDir.entryList(["*.html", "*.htm"])):
cbox.addItem(entry)
config = tools.getTemplateConfig(templateDir.filePath(entry))
# get template type
templateType = config.get("type", "plain")
cbox.setItemData(i, templateType, Qt.UserRole)
# set tool tip text
desc = config.get("description", "")
if desc:
cbox.setItemData(i, desc, Qt.ToolTipRole)
# select the last used template
templateName = QSettings().value("/Qgis2threejs/lastTemplate", "", type=unicode)
if templateName:
index = cbox.findText(templateName)
if index != -1:
cbox.setCurrentIndex(index)
return index
return -1
def initObjectTree(self):
tree = self.ui.treeWidget
tree.clear()
# add vector and raster layers into tree widget
topItems = []
for index, itemName in enumerate(ObjectTreeItem.topItemNames):
item = QTreeWidgetItem(tree, [itemName])
item.setData(0, Qt.UserRole, index)
topItems.append(item)
optDEMChecked = False
for layer in self.iface.legendInterface().layers():
layerType = layer.type()
if layerType not in (QgsMapLayer.VectorLayer, QgsMapLayer.RasterLayer):
continue
parentId = None
if layerType == QgsMapLayer.VectorLayer:
geometry_type = layer.geometryType()
if geometry_type in [QGis.Point, QGis.Line, QGis.Polygon]:
parentId = ObjectTreeItem.ITEM_POINT + geometry_type # - QGis.Point
elif layerType == QgsMapLayer.RasterLayer and layer.providerType() == "gdal" and layer.bandCount() == 1:
parentId = ObjectTreeItem.ITEM_OPTDEM
if parentId is None:
continue
item = QTreeWidgetItem(topItems[parentId], [layer.name()])
isVisible = self.properties[parentId].get(layer.id(), {}).get("visible", False) #self.iface.legendInterface().isLayerVisible(layer)
check_state = Qt.Checked if isVisible else Qt.Unchecked
item.setData(0, Qt.CheckStateRole, check_state)
item.setData(0, Qt.UserRole, layer.id())
if parentId == ObjectTreeItem.ITEM_OPTDEM and isVisible:
optDEMChecked = True
for item in topItems:
if item.data(0, Qt.UserRole) != ObjectTreeItem.ITEM_OPTDEM or optDEMChecked:
tree.expandItem(item)
def saveProperties(self, item, page):
properties = page.properties()
parent = item.parent()
if parent is None:
# top item: properties[topItemIndex]
self.properties[item.data(0, Qt.UserRole)] = properties
else:
# layer item: properties[topItemIndex][layerId]
topItemIndex = parent.data(0, Qt.UserRole)
self.properties[topItemIndex][item.data(0, Qt.UserRole)] = properties
if debug_mode:
qDebug(str(self.properties))
def currentTemplateChanged(self, index=None):
cbox = self.ui.comboBox_Template
templateType = cbox.itemData(cbox.currentIndex(), Qt.UserRole)
if templateType == self.templateType:
return
tree = self.ui.treeWidget
for i, name in enumerate(ObjectTreeItem.topItemNames):
hidden = (templateType == "sphere" and name != "Controls")
tree.topLevelItem(i).setHidden(hidden)
itemToBeSelected = ObjectTreeItem.ITEM_CONTROLS if templateType == "sphere" else ObjectTreeItem.ITEM_DEM
tree.setCurrentItem(tree.topLevelItem(itemToBeSelected))
self.clearMessageBar()
if templateType != "sphere":
# show message if crs unit is degrees
mapSettings = self.iface.mapCanvas().mapSettings() if QGis.QGIS_VERSION_INT >= 20300 else self.iface.mapCanvas().mapRenderer()
if mapSettings.destinationCrs().mapUnits() in [QGis.Degrees]:
self.showMessageBar("The unit of current CRS is degrees, so terrain will not appear well.", QgsMessageBar.WARNING)
self.templateType = templateType
def currentObjectChanged(self, currentItem, previousItem):
# save properties of previous item
if previousItem and self.currentPage:
self.saveProperties(previousItem, self.currentPage)
self.currentItem = currentItem
self.currentPage = None
# hide all pages
for page in self.pages.itervalues():
page.hide()
parent = currentItem.parent()
if parent is None:
topItemIndex = currentItem.data(0, Qt.UserRole)
pageType = self.topItemPages.get(topItemIndex, ppages.PAGE_NONE)
page = self.pages.get(pageType, None)
if page is None:
return
page.setup(self.properties[topItemIndex])
page.show()
else:
parentId = parent.data(0, Qt.UserRole)
layerId = currentItem.data(0, Qt.UserRole)
if layerId is None:
return
layer = QgsMapLayerRegistry.instance().mapLayer(layerId)
if layer is None:
return
layerType = layer.type()
if layerType == QgsMapLayer.RasterLayer:
page = self.pages[ppages.PAGE_DEM]
page.setup(self.properties[parentId].get(layerId, None), layer, False)
elif layerType == QgsMapLayer.VectorLayer:
page = self.pages[ppages.PAGE_VECTOR]
page.setup(self.properties[parentId].get(layerId, None), layer)
else:
return
page.show()
self.currentPage = page
def objectItemChanged(self, item, column):
parent = item.parent()
if parent is None:
return
if item == self.currentItem:
if self.currentPage:
# update enablement of property widgets
self.currentPage.itemChanged(item)
else:
# select changed item
self.ui.treeWidget.setCurrentItem(item)
# set visible property
#visible = item.data(0, Qt.CheckStateRole) == Qt.Checked
#parentId = parent.data(0, Qt.UserRole)
#layerId = item.data(0, Qt.UserRole)
#self.properties[parentId].get(layerId, {})["visible"] = visible
def primaryDEMChanged(self, layerId):
tree = self.ui.treeWidget
parent = tree.topLevelItem(ObjectTreeItem.ITEM_OPTDEM)
tree.blockSignals(True)
for i in range(parent.childCount()):
item = parent.child(i)
isPrimary = item.data(0, Qt.UserRole) == layerId
item.setDisabled(isPrimary)
tree.blockSignals(False)
def numericFields(self, layer):
# get attributes of a sample feature and create numeric field name list
numeric_fields = []
f = QgsFeature()
layer.getFeatures().nextFeature(f)
for field in f.fields():
isNumeric = False
try:
float(f.attribute(field.name()))
isNumeric = True
except:
pass
if isNumeric:
numeric_fields.append(field.name())
return numeric_fields
def progress(self, percentage, statusMsg=None):
ui = self.ui
ui.progressBar.setValue(percentage)
if percentage == 100:
ui.progressBar.setVisible(False)
ui.label_Status.setText("")
else:
ui.progressBar.setVisible(True)
if statusMsg is not None:
ui.label_Status.setText(statusMsg)
ui.label_Status.repaint()
def run(self):
ui = self.ui
filename = ui.lineEdit_OutputFilename.text() # ""=Temporary file
if filename != "" and QFileInfo(filename).exists() and QMessageBox.question(None, "Qgis2threejs", "Output file already exists. Overwrite it?", QMessageBox.Ok | QMessageBox.Cancel) != QMessageBox.Ok:
return
self.endPointSelection()
# save properties of current object
item = self.ui.treeWidget.currentItem()
if item and self.currentPage:
self.saveProperties(item, self.currentPage)
ui.pushButton_Run.setEnabled(False)
self.clearMessageBar()
self.progress(0)
canvas = self.iface.mapCanvas()
cbox = self.ui.comboBox_Template
templateName = cbox.currentText()
templateType = cbox.itemData(cbox.currentIndex(), Qt.UserRole)
htmlfilename = ui.lineEdit_OutputFilename.text()
# world properties
world = self.properties[ObjectTreeItem.ITEM_WORLD] or {}
verticalExaggeration = world.get("lineEdit_zFactor", 1.5)
verticalShift = world.get("lineEdit_zShift", 0)
# export to javascript (three.js)
mapTo3d = MapTo3D(canvas, verticalExaggeration=float(verticalExaggeration), verticalShift=float(verticalShift))
context = OutputContext(templateName, templateType, mapTo3d, canvas, self.properties, self, self.objectTypeManager, self.localBrowsingMode)
htmlfilename = exportToThreeJS(htmlfilename, context, self.progress)
self.progress(100)
ui.pushButton_Run.setEnabled(True)
if htmlfilename is None:
return
self.clearRubberBands()
# store last selections
settings = QSettings()
settings.setValue("/Qgis2threejs/lastTemplate", templateName)
settings.setValue("/Qgis2threejs/lastControls", context.controls)
# open browser
if not tools.openHTMLFile(htmlfilename):
return
QDialog.accept(self)
def reject(self):
# save properties of current object
item = self.ui.treeWidget.currentItem()
if item and self.currentPage:
self.saveProperties(item, self.currentPage)
self.endPointSelection()
self.clearRubberBands()
QDialog.reject(self)
def startPointSelection(self):
canvas = self.iface.mapCanvas()
if self.previousMapTool != self.mapTool:
self.previousMapTool = canvas.mapTool()
canvas.setMapTool(self.mapTool)
self.pages[ppages.PAGE_DEM].toolButton_PointTool.setVisible(False)
def endPointSelection(self):
self.mapTool.reset()
if self.previousMapTool is not None:
self.iface.mapCanvas().setMapTool(self.previousMapTool)
def mapToolSet(self, mapTool):
return
#TODO: unstable
if mapTool != self.mapTool and self.currentPage is not None:
if self.currentPage.pageType == ppages.PAGE_DEM and self.currentPage.isPrimary:
self.currentPage.toolButton_PointTool.setVisible(True)
def createRubberBands(self, quads, point=None):
self.clearRubberBands()
# create quads with rubber band
self.rb_quads = QgsRubberBand(self.iface.mapCanvas(), QGis.Line)
self.rb_quads.setColor(Qt.blue)
self.rb_quads.setWidth(1)
for quad in quads:
points = []
extent = quad.extent
points.append(QgsPoint(extent.xMinimum(), extent.yMinimum()))
points.append(QgsPoint(extent.xMinimum(), extent.yMaximum()))
points.append(QgsPoint(extent.xMaximum(), extent.yMaximum()))
points.append(QgsPoint(extent.xMaximum(), extent.yMinimum()))
self.rb_quads.addGeometry(QgsGeometry.fromPolygon([points]), None)
self.log(extent.toString())
self.log("Quad count: %d" % len(quads))
# create a point with rubber band
if point:
self.rb_point = QgsRubberBand(self.iface.mapCanvas(), QGis.Point)
self.rb_point.setColor(Qt.red)
self.rb_point.addPoint(point)
def clearRubberBands(self):
# clear quads and point
if self.rb_quads:
self.iface.mapCanvas().scene().removeItem(self.rb_quads)
self.rb_quads = None
if self.rb_point:
self.iface.mapCanvas().scene().removeItem(self.rb_point)
self.rb_point = None
def browseClicked(self):
directory = os.path.split(self.ui.lineEdit_OutputFilename.text())[0]
if directory == "":
directory = QDir.homePath()
filename = QFileDialog.getSaveFileName(self, self.tr("Output filename"), directory, "HTML file (*.html *.htm)", options=QFileDialog.DontConfirmOverwrite)
if filename != "":
self.ui.lineEdit_OutputFilename.setText(filename)
def log(self, msg):
if debug_mode:
qDebug(msg)
class VoGISProfilToolMainDialog(QDialog):
def __init__(self, interface, settings):
self.settings = settings
self.iface = interface
self.selectingVisibleRasters = False
self.thread = None
QDialog.__init__(self, interface.mainWindow())
# Set up the user interface from Designer.
self.ui = Ui_VoGISProfilToolMain()
self.ui.setupUi(self)
if self.settings.onlyHektoMode is True:
self.ui.IDC_widRaster.hide()
self.adjustSize()
validator = QIntValidator(-32768, 32768, self)
self.ui.IDC_tbNoDataExport.setValidator(validator)
self.ui.IDC_tbFromX.setText('-30000')
self.ui.IDC_tbFromY.setText('240000')
self.ui.IDC_tbToX.setText('-20000')
self.ui.IDC_tbToY.setText('230000')
self.__addRastersToGui()
self.__addPolygonsToGui()
for line_lyr in self.settings.mapData.lines.lines():
self.ui.IDC_cbLineLayers.addItem(line_lyr.name, line_lyr)
if self.settings.mapData.lines.count() < 1:
self.ui.IDC_rbDigi.setChecked(True)
self.ui.IDC_rbShapeLine.setEnabled(False)
#Einstellungen fuer Linie zeichen
self.action = QAction(QIcon(":/plugins/vogisprofiltoolmain/icons/icon.png"), "VoGIS-Profiltool", self.iface.mainWindow())
self.action.setWhatsThis("VoGIS-Profiltool")
self.canvas = self.iface.mapCanvas()
self.tool = ProfiletoolMapTool(self.canvas, self.action)
self.savedTool = self.canvas.mapTool()
self.polygon = False
self.rubberband = QgsRubberBand(self.canvas, self.polygon)
if QGis.QGIS_VERSION_INT >= 10900:
#self.rubberband.setBrushStyle()
self.rubberband.setLineStyle(Qt.SolidLine)
self.rubberband.setWidth(4.0)
self.rubberband.setColor(QColor(0, 255, 0))
#http://www.qgis.org/api/classQgsRubberBand.html#a6f7cdabfcf69b65dfc6c164ce2d01fab
self.pointsToDraw = []
self.dblclktemp = None
self.drawnLine = None
def accept(self):
try:
#QMessageBox.warning(self.iface.mainWindow(), "VoGIS-Profiltool", "ACCEPTED")
#QgsMessageLog.logMessage('nodata: {0}'.format(self.settings.nodata_value), 'VoGis')
self.settings.nodata_value = int(self.ui.IDC_tbNoDataExport.text())
QgsMessageLog.logMessage('maindlg: nodata: {0}'.format(self.settings.nodata_value), 'VoGis')
if self.settings.onlyHektoMode is True and self.settings.mapData.rasters.count() > 0:
self.settings.onlyHektoMode = False
if self.settings.onlyHektoMode is False:
if self.settings.mapData.rasters.count() < 1:
#QMessageBox.warning(self.iface.mainWindow(), "VoGIS-Profiltool", u"Keine Raster vorhanden. Zum Hektometrieren Dialog neu öffnen.")
#return
retVal = QMessageBox.warning(self.iface.mainWindow(),
"VoGIS-Profiltool",
QApplication.translate('code', 'Keine Rasterebene vorhanden oder sichtbar! Nur hektometrieren?', None, QApplication.UnicodeUTF8),
QMessageBox.Yes | QMessageBox.No,
QMessageBox.Yes)
if retVal == QMessageBox.No:
return
else:
self.settings.onlyHektoMode = True
self.settings.createHekto = True
if self.__getSettingsFromGui() is False:
return
if self.settings.onlyHektoMode is False:
if len(self.settings.mapData.rasters.selectedRasters()) < 1:
#QMessageBox.warning(self.iface.mainWindow(), "VoGIS-Profiltool", "Kein Raster selektiert!")
#msg =
#QMessageBox.warning(self.iface.mainWindow(), "VoGIS-Profiltool", msg)
QMessageBox.warning(self.iface.mainWindow(), "VoGIS-Profiltool", QApplication.translate('code', 'Kein Raster selektiert!', None, QApplication.UnicodeUTF8))
return
QgsMessageLog.logMessage('modeLine!=line: {0}'.format(self.settings.modeLine != enumModeLine.line), 'VoGis')
QgsMessageLog.logMessage('customLine is None: {0}'.format(self.settings.mapData.customLine is None), 'VoGis')
if self.settings.modeLine != enumModeLine.line and self.settings.mapData.customLine is None:
QMessageBox.warning(self.iface.mainWindow(), "VoGIS-Profiltool", QApplication.translate('code', 'Keine Profillinie vorhanden!', None, QApplication.UnicodeUTF8))
return
if len(self.settings.mapData.polygons.selected_polygons()) > 0 and len(self.settings.mapData.rasters.selectedRasters()) > 1:
raster_names = list(raster.name for raster in self.settings.mapData.rasters.selectedRasters())
sel_raster, ok_clicked = QInputDialog.getItem(
self.iface.mainWindow(),
u'DHM?',
u'Welches DHM soll zur Flächenverschneidung verwendet werden?',
raster_names,
0,
False
)
if ok_clicked is False:
return
self.settings.intersection_dhm_idx = raster_names.index(sel_raster)
#self.rubberband.reset(self.polygon)
#QDialog.accept(self)
QApplication.setOverrideCursor(Qt.WaitCursor)
create_profile = CreateProfile(self.iface, self.settings)
thread = QThread(self)
create_profile.moveToThread(thread)
create_profile.finished.connect(self.profiles_finished)
create_profile.error.connect(self.profiles_error)
create_profile.progress.connect(self.profiles_progress)
thread.started.connect(create_profile.create)
thread.start(QThread.LowestPriority)
self.thread = thread
self.create_profile = create_profile
self.ui.buttonBox.button(QDialogButtonBox.Ok).setEnabled(False)
except:
QApplication.restoreOverrideCursor()
ex = u'{0}'.format(traceback.format_exc())
msg = 'Unexpected ERROR:\n\n{0}'.format(ex[:2000])
QMessageBox.critical(self.iface.mainWindow(), "VoGIS-Profiltool", msg)
def profiles_finished(self, profiles, intersections):
QApplication.restoreOverrideCursor()
self.ui.buttonBox.button(QDialogButtonBox.Ok).setEnabled(True)
#self.create_profile.deleteLater()
self.thread.quit()
self.thread.wait()
#self.thread.deleteLater()
#QGIS 2.0 http://gis.stackexchange.com/a/58754 http://gis.stackexchange.com/a/57090
self.iface.mainWindow().statusBar().showMessage('VoGIS-Profiltool, {0} Profile'.format(len(profiles)))
QgsMessageLog.logMessage(u'Profile Count: {0}'.format(len(profiles)), 'VoGis')
if len(profiles) < 1:
QApplication.restoreOverrideCursor()
QMessageBox.warning(self.iface.mainWindow(), "VoGIS-Profiltool", QApplication.translate('code', 'Es konnten keine Profile erstellt werden.', None, QApplication.UnicodeUTF8))
return
dlg = VoGISProfilToolPlotDialog(self.iface, self.settings, profiles, intersections)
dlg.show()
#result = self.dlg.exec_()
dlg.exec_()
def profiles_error(self, exception_string):
QApplication.restoreOverrideCursor()
QgsMessageLog.logMessage(u'Error during profile creation: {0}'.format(exception_string), 'VoGis')
QMessageBox.critical(self.iface.mainWindow(), "VoGIS-Profiltool", exception_string)
def profiles_progress(self, msg):
self.iface.mainWindow().statusBar().showMessage(msg)
self.ui.IDC_lblCreateStatus.setText(msg)
#QgsMessageLog.logMessage(msg, 'VoGis')
QApplication.processEvents()
def reject(self):
if not self.thread is None:
if self.thread.isRunning():
self.create_profile.abort()
return
self.rubberband.reset(self.polygon)
QDialog.reject(self)
def selectVisibleRasters(self):
self.refreshRasterList()
self.selectingVisibleRasters = True
extCanvas = self.iface.mapCanvas().extent()
#alle raster in den einstellunge deselektieren
for r in self.settings.mapData.rasters.rasters():
r.selected = False
#alle raster in der ListView deselektieren
for idx in xrange(self.ui.IDC_listRasters.count()):
item = self.ui.IDC_listRasters.item(idx)
item.setCheckState(Qt.Unchecked)
#Raster im Extent selektieren
for idx in xrange(self.ui.IDC_listRasters.count()):
item = self.ui.IDC_listRasters.item(idx)
if QGis.QGIS_VERSION_INT < 10900:
raster = item.data(Qt.UserRole).toPyObject()
else:
raster = item.data(Qt.UserRole)
for r in self.settings.mapData.rasters.rasters():
if extCanvas.intersects(r.grid.extent()):
if r.id == raster.id:
r.selected = True
item.setCheckState(Qt.Checked)
self.selectingVisibleRasters = False
def lineLayerChanged(self, idx):
if self.ui.IDC_rbShapeLine.isChecked() is False:
self.ui.IDC_rbShapeLine.setChecked(True)
if QGis.QGIS_VERSION_INT < 10900:
lineLyr = (self.ui.IDC_cbLineLayers.itemData(self.ui.IDC_cbLineLayers.currentIndex()).toPyObject())
else:
lineLyr = (self.ui.IDC_cbLineLayers.itemData(self.ui.IDC_cbLineLayers.currentIndex()))
lyr = lineLyr.line
#QgsMessageLog.logMessage('{0}'.format(lyr.selectedFeatureCount()), 'VoGis')
#QgsMessageLog.logMessage('{0}'.format(dir(lyr)), 'VoGis')
if hasattr(lyr, 'selectedFeatureCount'):
if(lyr.selectedFeatureCount() < 1):
self.ui.IDC_chkOnlySelectedFeatures.setChecked(False)
else:
self.ui.IDC_chkOnlySelectedFeatures.setChecked(True)
def valueChangedEquiDistance(self, val):
if self.ui.IDC_rbEquiDistance.isChecked() is False:
self.ui.IDC_rbEquiDistance.setChecked(True)
def valueChangedVertexCount(self, val):
if self.ui.IDC_rbVertexCount.isChecked() is False:
self.ui.IDC_rbVertexCount.setChecked(True)
def lvRasterItemChanged(self, item):
if self.selectingVisibleRasters is True:
return
if item.checkState() == Qt.Checked:
selected = True
if item.checkState() == Qt.Unchecked:
selected = False
item_data = item.data(Qt.UserRole)
if QGis.QGIS_VERSION_INT < 10900:
raster_lyr = item_data.toPyObject()
else:
raster_lyr = item_data
self.settings.mapData.rasters.getById(raster_lyr.id).selected = selected
def lvPolygonItemChanged(self, item):
if item.checkState() == Qt.Checked:
selected = True
if item.checkState() == Qt.Unchecked:
selected = False
item_data = item.data(Qt.UserRole)
if QGis.QGIS_VERSION_INT < 10900:
poly_lyr = item_data.toPyObject()
else:
poly_lyr = item_data
self.settings.mapData.polygons.getById(poly_lyr.id).selected = selected
def refreshRasterList(self):
legend = self.iface.legendInterface()
avail_lyrs = legend.layers()
raster_coll = RasterCollection()
for lyr in avail_lyrs:
if legend.isLayerVisible(lyr):
lyr_type = lyr.type()
lyr_name = unicodedata.normalize('NFKD', unicode(lyr.name())).encode('ascii', 'ignore')
if lyr_type == 1:
if lyr.bandCount() < 2:
new_raster = Raster(lyr.id(), lyr_name, lyr)
raster_coll.addRaster(new_raster)
self.settings.mapData.rasters = raster_coll
self.__addRastersToGui()
def __addRastersToGui(self):
self.ui.IDC_listRasters.clear()
check = Qt.Unchecked
if self.settings.mapData.rasters.count() == 1:
check = Qt.Checked
self.settings.mapData.rasters.rasters()[0].selected = True
for raster_lyr in self.settings.mapData.rasters.rasters():
item = QListWidgetItem(raster_lyr.name)
item.setData(Qt.UserRole, raster_lyr)
item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
item.setCheckState(check)
self.ui.IDC_listRasters.addItem(item)
def __addPolygonsToGui(self):
self.ui.IDC_listPolygons.clear()
check = Qt.Unchecked
for poly_lyr in self.settings.mapData.polygons.polygons():
item = QListWidgetItem(poly_lyr.name)
item.setData(Qt.UserRole, poly_lyr)
item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
item.setCheckState(check)
self.ui.IDC_listPolygons.addItem(item)
def drawLine(self):
if self.ui.IDC_rbDigi.isChecked() is False:
self.ui.IDC_rbDigi.setChecked(True)
self.dblckltemp = None
self.rubberband.reset(self.polygon)
self.__cleanDigi()
self.__activateDigiTool()
self.canvas.setMapTool(self.tool)
def __createDigiFeature(self, pnts):
u = Util(self.iface)
f = u.createQgLineFeature(pnts)
self.settings.mapData.customLine = f
def __lineFinished(self, position):
mapPos = self.canvas.getCoordinateTransform().toMapCoordinates(position["x"], position["y"])
newPoint = QgsPoint(mapPos.x(), mapPos.y())
self.pointsToDraw.append(newPoint)
#launch analyses
self.iface.mainWindow().statusBar().showMessage(str(self.pointsToDraw))
if len(self.pointsToDraw) < 2:
self.__cleanDigi()
self.pointsToDraw = []
self.dblclktemp = newPoint
self.drawnLine = None
QMessageBox.warning(self, "VoGIS-Profiltool", QApplication.translate('code', 'Profillinie digitalisieren abgebrochen!', None, QApplication.UnicodeUTF8))
self.drawnLine = self.__createDigiFeature(self.pointsToDraw)
self.__cleanDigi()
self.pointsToDraw = []
self.dblclktemp = newPoint
def __cleanDigi(self):
self.pointsToDraw = []
self.canvas.unsetMapTool(self.tool)
self.canvas.setMapTool(self.savedTool)
def __activateDigiTool(self):
QObject.connect(self.tool, SIGNAL("moved"), self.__moved)
QObject.connect(self.tool, SIGNAL("rightClicked"), self.__rightClicked)
QObject.connect(self.tool, SIGNAL("leftClicked"), self.__leftClicked)
QObject.connect(self.tool, SIGNAL("doubleClicked"), self.__doubleClicked)
QObject.connect(self.tool, SIGNAL("deactivate"), self.__deactivateDigiTool)
def __deactivateDigiTool(self):
QObject.disconnect(self.tool, SIGNAL("moved"), self.__moved)
QObject.disconnect(self.tool, SIGNAL("leftClicked"), self.__leftClicked)
QObject.disconnect(self.tool, SIGNAL("rightClicked"), self.__rightClicked)
QObject.disconnect(self.tool, SIGNAL("doubleClicked"), self.__doubleClicked)
if QGis.QGIS_VERSION_INT < 10900:
self.iface.mainWindow().statusBar().showMessage(QString(""))
else:
self.iface.mainWindow().statusBar().showMessage('')
def __moved(self, position):
if len(self.pointsToDraw) > 0:
mapPos = self.canvas.getCoordinateTransform().toMapCoordinates(position["x"], position["y"])
self.rubberband.reset(self.polygon)
newPnt = QgsPoint(mapPos.x(), mapPos.y())
if QGis.QGIS_VERSION_INT < 10900:
for i in range(0, len(self.pointsToDraw)):
self.rubberband.addPoint(self.pointsToDraw[i])
self.rubberband.addPoint(newPnt)
else:
pnts = self.pointsToDraw + [newPnt]
self.rubberband.setToGeometry(QgsGeometry.fromPolyline(pnts),None)
def __rightClicked(self, position):
self.__lineFinished(position)
def __leftClicked(self, position):
mapPos = self.canvas.getCoordinateTransform().toMapCoordinates(position["x"], position["y"])
newPoint = QgsPoint(mapPos.x(), mapPos.y())
#if self.selectionmethod == 0:
if newPoint == self.dblclktemp:
self.dblclktemp = None
return
else:
if len(self.pointsToDraw) == 0:
self.rubberband.reset(self.polygon)
self.pointsToDraw.append(newPoint)
def __doubleClicked(self, position):
pass
#not in use right now
def __lineCancel(self):
pass
def __getSettingsFromGui(self):
self.settings.linesExplode = (self.ui.IDC_chkLinesExplode.checkState() == Qt.Checked)
self.settings.linesMerge = (self.ui.IDC_chkLinesMerge.checkState() == Qt.Checked)
self.settings.onlySelectedFeatures = (self.ui.IDC_chkOnlySelectedFeatures.checkState() == Qt.Checked)
self.settings.equiDistance = self.ui.IDC_dblspinDistance.value()
self.settings.vertexCnt = self.ui.IDC_dblspinVertexCnt.value()
#self.settings.createHekto = (self.ui.IDC_chkCreateHekto.checkState() == Qt.Checked)
self.settings.nodesAndVertices = (self.ui.IDC_chkNodesAndVertices.checkState() == Qt.Checked)
if QGis.QGIS_VERSION_INT < 10900:
self.settings.mapData.selectedLineLyr = (self.ui.IDC_cbLineLayers.itemData(
self.ui.IDC_cbLineLayers.currentIndex()
).toPyObject()
)
else:
self.settings.mapData.selectedLineLyr = (self.ui.IDC_cbLineLayers.itemData(self.ui.IDC_cbLineLayers.currentIndex()))
if self.settings.onlySelectedFeatures is True and self.settings.mapData.selectedLineLyr.line.selectedFeatureCount() < 1:
QMessageBox.warning(self.iface.mainWindow(), "VoGIS-Profiltool", QApplication.translate('code', u'Der gewählte Layer hat keine selektierten Elemente.', None, QApplication.UnicodeUTF8))
return False
if self.ui.IDC_rbDigi.isChecked():
self.settings.modeLine = enumModeLine.customLine
elif self.ui.IDC_rbShapeLine.isChecked():
self.settings.modeLine = enumModeLine.line
else:
#self.ui.IDC_rbStraigthLine
self.settings.modeLine = enumModeLine.straightLine
if self.ui.IDC_rbEquiDistance.isChecked():
self.settings.modeVertices = enumModeVertices.equiDistant
else:
self.settings.modeVertices = enumModeVertices.vertexCnt
if self.ui.IDC_rbStraigthLine.isChecked():
ut = Util(self.iface)
if ut.isFloat(self.ui.IDC_tbFromX.text(), QApplication.translate('code', 'Rechtswert von', None, QApplication.UnicodeUTF8)) is False:
return False
else:
fromX = float(self.ui.IDC_tbFromX.text())
if ut.isFloat(self.ui.IDC_tbFromY.text(), QApplication.translate('code', 'Hochwert von', None, QApplication.UnicodeUTF8)) is False:
return False
else:
fromY = float(self.ui.IDC_tbFromY.text())
if ut.isFloat(self.ui.IDC_tbToX.text(), QApplication.translate('code', 'Rechtswert nach', None, QApplication.UnicodeUTF8)) is False:
return False
else:
toX = float(self.ui.IDC_tbToX.text())
if ut.isFloat(self.ui.IDC_tbToY.text(), QApplication.translate('code', 'Hochwert nach', None, QApplication.UnicodeUTF8)) is False:
return False
else:
toY = float(self.ui.IDC_tbToY.text())
fromPnt = QgsPoint(fromX, fromY)
toPnt = QgsPoint(toX, toY)
self.settings.mapData.customLine = ut.createQgLineFeature([fromPnt, toPnt])
return True
class RectangleMapTool(QgsMapToolEmitPoint):
def __init__(self, canvas):
self.canvas = canvas
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.rubberBand = QgsRubberBand(self.canvas, QGis.Polygon)
self.rubberBand.setColor(QColor(255, 0, 0, 180))
self.rubberBand.setWidth(1)
self.reset()
def reset(self):
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
self.rubberBand.reset(QGis.Polygon)
def canvasPressEvent(self, e):
self.startPoint = self.toMapCoordinates(e.pos())
self.endPoint = self.startPoint
self.isEmittingPoint = True
self.showRect(self.startPoint, self.endPoint)
def canvasReleaseEvent(self, e):
self.isEmittingPoint = False
self.emit(SIGNAL("rectangleCreated()"))
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.endPoint = self.toMapCoordinates(e.pos())
self.showRect(self.startPoint, self.endPoint)
def showRect(self, startPoint, endPoint):
self.rubberBand.reset(QGis.Polygon)
if startPoint.x() == endPoint.x() or startPoint.y() == endPoint.y():
return
point1 = QgsPoint(startPoint.x(), startPoint.y())
point2 = QgsPoint(startPoint.x(), endPoint.y())
point3 = QgsPoint(endPoint.x(), endPoint.y())
point4 = QgsPoint(endPoint.x(), startPoint.y())
self.rubberBand.addPoint(point1, False)
self.rubberBand.addPoint(point2, False)
self.rubberBand.addPoint(point3, False)
self.rubberBand.addPoint(point4, True) # true to update canvas
self.rubberBand.show()
def rectangle(self):
if self.startPoint == None or self.endPoint == None:
return None
#elif self.startPoint.x() == self.endPoint.x() or self.startPoint.y() == self.endPoint.y():
# return None
return QgsRectangle(self.startPoint, self.endPoint)
def setRectangle(self, rect):
if rect == self.rectangle():
return False
if rect == None:
self.reset()
else:
self.startPoint = QgsPoint(rect.xMaximum(), rect.yMaximum())
self.endPoint = QgsPoint(rect.xMinimum(), rect.yMinimum())
self.showRect(self.startPoint, self.endPoint)
return True
class MapTool(QgsMapTool):
geometry_changed = pyqtSignal(QgsGeometry, bool)
tool_deactivated = pyqtSignal()
def __init__(self, canvas, cursorstyle=Qt.CrossCursor):
self.canvas = canvas
QgsMapTool.__init__(self, canvas)
self.caller = self.sender()
self.cursorStyle = cursorstyle
self.active = False
# get selection color
selcolor = self.canvas.selectionColor()
mycolor = QColor(selcolor.red(), selcolor.green(), selcolor.blue(), 40)
self.rb = QgsRubberBand(self.canvas, QgsWkbTypes.PolygonGeometry)
self.rb.setStrokeColor(QColor(255, 0, 0, 40))
self.rb.setFillColor(mycolor)
self.rb.setLineStyle(Qt.PenStyle(Qt.SolidLine))
self.rb.setWidth(2)
def setCursorStyle(self):
cursor = QCursor()
cursor.setShape(self.cursorStyle)
self.setCursor(cursor)
def activate(self):
self.caller.setChecked(True)
self.setCursorStyle()
def deactivate(self):
self.canvas.scene().removeItem(self.rb)
self.tool_deactivated.emit()
self.caller.setChecked(False)
QgsMapTool.deactivate(self)
def setGeometry(self, geo):
self.rb.setToGeometry(geo)
def canvasReleaseEvent(self, mouseEvent):
if mouseEvent.button() == Qt.LeftButton:
if not self.active:
self.active = True
self.geometry_changed.emit(QgsGeometry(), False)
self.rb.reset(QgsWkbTypes.PolygonGeometry)
self.rb.addPoint(mouseEvent.mapPoint())
if self.rb.numberOfVertices() > 2:
self.geometry_changed.emit(self.rb.asGeometry(), False)
elif mouseEvent.button() == Qt.RightButton:
if self.rb.numberOfVertices() > 3:
self.active = False
self.rb.removeLastPoint()
self.rb.closePoints(
) #Ensures that a polygon geometry is closed and that the last vertex equals the first vertex
geo = self.rb.asGeometry()
self.geometry_changed.emit(geo, True)
else:
self.rb.reset(QgsWkbTypes.PolygonGeometry)
def canvasMoveEvent(self, mouseEvent):
if self.rb.numberOfVertices() > 1 and self.active:
self.rb.removeLastPoint()
self.rb.addPoint(mouseEvent.mapPoint())
pass
class RectangleMapTool(QgsMapTool):
def __init__(self, canvas, callback):
self.canvas = canvas
QgsMapTool.__init__(self, self.canvas)
self.callback = callback
self.rubberBand = QgsRubberBand(self.canvas, True)
self.rubberBand.setColor(QColor(227, 26, 28, 255))
self.rubberBand.setWidth(5)
self.rubberBand.setLineStyle(Qt.PenStyle(Qt.DashLine))
self.reset()
def reset(self):
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
self.rubberBand.reset(True)
def canvasPressEvent(self, e):
self.startPoint = self.toMapCoordinates(e.pos())
self.endPoint = self.startPoint
self.isEmittingPoint = True
self.showRect(self.startPoint, self.endPoint)
def canvasReleaseEvent(self, e):
self.isEmittingPoint = False
r = self.rectangle()
if r is not None:
# print "Rectangle:", r.xMinimum(), r.yMinimum(), r.xMaximum(), r.yMaximum()
self.rubberBand.hide()
self.callback(r)
# self.deactivate()
return None
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.endPoint = self.toMapCoordinates(e.pos())
self.showRect(self.startPoint, self.endPoint)
def showRect(self, startPoint, endPoint):
self.rubberBand.reset(True)
if startPoint.x() == endPoint.x() or startPoint.y() == endPoint.y():
return
point1 = QgsPoint(startPoint.x(), startPoint.y())
point2 = QgsPoint(startPoint.x(), endPoint.y())
point3 = QgsPoint(endPoint.x(), endPoint.y())
point4 = QgsPoint(endPoint.x(), startPoint.y())
self.rubberBand.addPoint(point1, False)
self.rubberBand.addPoint(point2, False)
self.rubberBand.addPoint(point3, False)
self.rubberBand.addPoint(point4, False)
self.rubberBand.addPoint(point1, True) # true to update canvas
self.rubberBand.show()
def rectangle(self):
if self.startPoint is None or self.endPoint is None:
return None
elif self.startPoint.x() == self.endPoint.x() or self.startPoint.y(
) == self.endPoint.y():
return None
return QgsRectangle(self.startPoint, self.endPoint)
def deactivate(self):
super(RectangleMapTool, self).deactivate()
self.emit(QtCore.SIGNAL("deactivated()"))
class DistanceMapTool(QgsMapTool):
def __init__(self, iface):
self.iface = iface
self.line_layer = None
self.settings = MySettings()
QgsMapTool.__init__(self, iface.mapCanvas())
def activate(self):
QgsMapTool.activate(self)
self.line_layer = MemoryLayers(self.iface).line_layer
self.rubber = QgsRubberBand(self.canvas(), QGis.Point)
self.rubber.setColor(self.settings.value("rubberColor"))
self.rubber.setIcon(self.settings.value("rubberIcon"))
self.rubber.setIconSize(self.settings.value("rubberSize"))
self.messageWidget = self.iface.messageBar().createMessage("Intersect It", "Not snapped.")
self.messageWidgetExist = True
self.messageWidget.destroyed.connect(self.messageWidgetRemoved)
def deactivate(self):
self.iface.messageBar().popWidget(self.messageWidget)
self.rubber.reset()
QgsMapTool.deactivate(self)
def messageWidgetRemoved(self):
self.messageWidgetExist = False
def displaySnapInfo(self, match=None):
if not self.messageWidgetExist:
return
if match is None:
message = "No snap"
else:
message = 'Snapped to: <b>{}</b>'.format(match.layer())
self.messageWidget.setText(message)
def canvasMoveEvent(self, mouseEvent):
match = self.snap_to_vertex(mouseEvent.pos())
self.rubber.reset(QGis.Point)
if match.type() == QgsPointLocator.Vertex and match.layer() != self.line_layer:
self.rubber.addPoint(match.point())
self.displaySnapInfo(match)
def canvasPressEvent(self, mouseEvent):
if mouseEvent.button() != Qt.LeftButton:
return
match = self.snap_to_vertex(mouseEvent.pos())
if match.type() != QgsPointLocator.Vertex and match.layer() != self.line_layer:
point = self.toMapCoordinates(mouseEvent.pos())
else:
point = match.point()
self.rubber.addPoint(point)
distance = Distance(self.iface, point, 1)
dlg = DistanceDialog(distance, self.canvas())
if dlg.exec_():
distance.save()
self.rubber.reset()
def snap_to_vertex(self, pos):
""" Temporarily override snapping config and snap to vertices and edges
of any editable vector layer, to allow selection of node for editing
(if snapped to edge, it would offer creation of a new vertex there).
"""
map_point = self.toMapCoordinates(pos)
tol = QgsTolerance.vertexSearchRadius(self.canvas().mapSettings())
snap_type = QgsPointLocator.Type(QgsPointLocator.Vertex)
snap_layers = []
for layer in self.canvas().layers():
if not isinstance(layer, QgsVectorLayer):
continue
snap_layers.append(QgsSnappingUtils.LayerConfig(
layer, snap_type, tol, QgsTolerance.ProjectUnits))
snap_util = self.canvas().snappingUtils()
old_layers = snap_util.layers()
old_mode = snap_util.snapToMapMode()
old_inter = snap_util.snapOnIntersections()
snap_util.setLayers(snap_layers)
snap_util.setSnapToMapMode(QgsSnappingUtils.SnapAdvanced)
snap_util.setSnapOnIntersections(True)
m = snap_util.snapToMap(map_point)
snap_util.setLayers(old_layers)
snap_util.setSnapToMapMode(old_mode)
snap_util.setSnapOnIntersections(old_inter)
return m
class PolygonMapTool(QgsMapToolEmitPoint):
"""This class holds a map tool to create a polygon from points got by clicking
on the map window. Points are stored in a list of point geometries, which is returned to
the main plugin for use."""
def __init__(self, canvas):
self.canvas = canvas
QgsMapToolEmitPoint.__init__(self, self.canvas)
# rubberband class gives the user visual feedback of the drawing
self.rubberBand = QgsRubberBand(self.canvas, True)
# setting up outline and fill color: both red
self.rubberBand.setColor(QColor(235, 36, 21))
# RGB color values, last value indicates transparency (0-255)
self.rubberBand.setFillColor(QColor(255, 79, 66, 140))
self.rubberBand.setWidth(3)
self.points = []
# a flag indicating when a single polygon is finished
self.finished = False
self.poly_bbox = False
self.double_click_flag = False
self.reset()
def reset(self):
"""Empties the canvas and the points gathered thus far"""
self.rubberBand.reset(True)
self.poly_bbox = False
self.points.clear()
def keyPressEvent(self, e):
"""Pressing ESC resets the canvas. Pressing enter connects the polygon"""
if (e.key() == 16777216):
self.reset()
if (e.key() == 16777220):
self.finishPolygon()
def canvasDoubleClickEvent(self, e):
self.double_click_flag = True
self.finishPolygon()
def canvasReleaseEvent(self, e):
"""Activated when user clicks on the canvas. Gets coordinates, draws
them on the map and adds to the list of points."""
if self.double_click_flag:
self.double_click_flag = False
return
# if the finished flag is activated, the canvas will be must be reset
# for a new polygon
if self.finished:
self.reset()
self.finished = False
self.click_point = self.toMapCoordinates(e.pos())
self.rubberBand.addPoint(self.click_point, True)
self.points.append(self.click_point)
self.rubberBand.show()
def finishPolygon(self):
"""Activated when by user or when the map window is closed without connecting
the polygon. Makes the polygon valid by making first and last point
the same. This is reflected visually. Up until now the user has been
drawing a line: a polygon is created and shown on the map."""
# nothing will happen if the code below has already been ran
if self.finished:
return
# connecting the polygon is valid if there's already at least 3 points
elif len(self.points) > 2:
first_point = self.points[0]
self.points.append(first_point)
self.rubberBand.closePoints()
self.rubberBand.addPoint(first_point, True)
self.finished = True
# a polygon is created and added to the map for visual purposes
map_polygon = QgsGeometry.fromPolygonXY([self.points])
self.rubberBand.setToGeometry(map_polygon)
# get the bounding box of this new polygon
self.poly_bbox = self.rubberBand.asGeometry().boundingBox()
else:
self.finished = True
def getPoints(self):
"""Returns list of PointXY geometries, i.e. the polygon in list form"""
self.rubberBand.reset(True)
return self.points
def getPolyBbox(self):
return self.poly_bbox
class SelectMapTool(QgsMapToolEmitPoint):
features_selected_signal = pyqtSignal()
selected_feature_ids = list()
def __init__(self, canvas, layer, multi=True):
self.canvas = canvas
QgsMapToolEmitPoint.__init__(self, self.canvas)
self._multi = multi
self._layer = layer
# Cursor
cursor = QCursor()
cursor.setShape(Qt.CrossCursor)
self.setCursor(cursor)
# RubberBand Style
self.rubberBand = QgsRubberBand(self.canvas, True)
self.rubberBand.setBrushStyle(Qt.Dense4Pattern)
self.rubberBand.setColor(QColor(255, 181, 92))
self.rubberBand.setStrokeColor(QColor(232, 137, 72))
self.rubberBand.setWidth(0.2)
self.reset()
def reset(self):
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
self.rubberBand.reset(True)
def canvasPressEvent(self, e):
self.startPoint = self.toMapCoordinates(e.pos())
self.endPoint = self.startPoint
self.isEmittingPoint = True
def canvasReleaseEvent(self, e):
if e.button() & Qt.LeftButton:
self.isEmittingPoint = False
self.show_rubber_band()
if self._multi and (e.modifiers() & Qt.ControlModifier
or e.modifiers() & Qt.ShiftModifier):
if self.rubberBand.asGeometry().type(
) == QgsWkbTypes.PolygonGeometry:
self.reset()
return
else:
id_features_intersect = self.ids_features_intersect()
# if Control or Shift are selected, keeps the previous selection
for id_feature_intersect in id_features_intersect:
# toggle selected feature
if id_feature_intersect not in self.selected_feature_ids:
self.selected_feature_ids.append(id_feature_intersect)
else:
self.selected_feature_ids.remove(id_feature_intersect)
else:
id_features_intersect = self.ids_features_intersect()
# Clear selected features if Control or Shift are not selected
self.selected_feature_ids = id_features_intersect
self.select_features()
elif e.button() & Qt.RightButton:
# emit the signal when at least one element has been selected
if len(self._layer.selectedFeatures()):
self.features_selected_signal.emit()
self.reset()
def canvasDoubleClickEvent(self, e):
self.canvasPressEvent(e)
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.endPoint = self.toMapCoordinates(e.pos())
self.show_rubber_band()
def show_rubber_band(self):
self.create_rubber_band()
if self.rubberBand:
self.rubberBand.show()
def create_rubber_band(self):
self.rubberBand.reset(True)
if self.startPoint is None and self.endPoint is None:
return None
elif self.startPoint.x() == self.endPoint.x() or self.startPoint.y(
) == self.endPoint.y():
self.rubberBand.reset(QgsWkbTypes.PointGeometry)
self.rubberBand.addPoint(self.startPoint,
True) # true to update canvas
else:
self.rubberBand.reset(QgsWkbTypes.PolygonGeometry)
point1 = QgsPointXY(self.startPoint.x(), self.startPoint.y())
point2 = QgsPointXY(self.startPoint.x(), self.endPoint.y())
point3 = QgsPointXY(self.endPoint.x(), self.endPoint.y())
point4 = QgsPointXY(self.endPoint.x(), self.startPoint.y())
self.rubberBand.addPoint(point1, False)
self.rubberBand.addPoint(point2, False)
self.rubberBand.addPoint(point3, False)
self.rubberBand.addPoint(point4, True) # true to update canvas
# Approximate polygon to point when it's too small related to the scale
if (self.rubberBand.asGeometry().area() /
self.canvas.extent().area()) * 1000000 < 50:
self.rubberBand.reset(QgsWkbTypes.PointGeometry)
self.rubberBand.addPoint(self.startPoint,
True) # true to update canvas
def ids_features_intersect(self):
index = QgsSpatialIndex(self._layer)
bbox = self.rubberBand.asGeometry().boundingBox()
candidate_features = self._layer.getFeatures(index.intersects(bbox))
geom = self.rubberBand.asGeometry()
centroid = geom
if not self._multi and geom.type() == QgsWkbTypes.PolygonGeometry:
centroid = geom.centroid()
features_selected = []
distances_features_selected = dict()
for candidate_feature in candidate_features:
if candidate_feature.geometry().intersects(geom):
features_selected.append(candidate_feature.id())
# Calculate the distance to the centroid
distances_features_selected[candidate_feature.id(
)] = candidate_feature.geometry().distance(centroid)
if not self._multi and geom.type() == QgsWkbTypes.PolygonGeometry:
if features_selected:
# Get the key corresponding to the minimum value within a dictionary
features_selected = [
min(distances_features_selected,
key=distances_features_selected.get)
]
return features_selected
def select_features(self):
# show features selected
self._layer.selectByIds(self.selected_feature_ids)
self.reset()
def deactivate(self):
QgsMapTool.deactivate(self)
self.deactivated.emit()
class RectangleMapTool(QgsMapToolEmitPoint):
"""
Map tool that lets the user define the analysis extents.
"""
rectangle_created = pyqtSignal()
deactivated = pyqtSignal()
def __init__(self, canvas):
"""Constructor for the map tool.
:param canvas: Canvas that tool will interact with.
:type canvas: QgsMapCanvas
"""
self.canvas = canvas
self.start_point = None
self.end_point = None
self.is_emitting_point = False
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.rubber_band = QgsRubberBand(self.canvas, geometryType=QGis.Line)
self.rubber_band.setColor(QColor(0, 0, 240, 100))
# Needs QGIS 2.6
# self.rubber_band.setFillColor(QColor(0, 0, 240, 0))
self.rubber_band.setWidth(1)
self.reset()
def reset(self):
"""
Clear the rubber band for the analysis extents.
"""
self.start_point = self.end_point = None
self.is_emitting_point = False
self.rubber_band.reset(QGis.Polygon)
def canvasPressEvent(self, e):
"""
Handle canvas press events so we know when user is capturing the rect.
:param e: A Qt event object.
:type: QEvent
"""
self.start_point = self.toMapCoordinates(e.pos())
self.end_point = self.start_point
self.is_emitting_point = True
self.show_rectangle(self.start_point, self.end_point)
def canvasReleaseEvent(self, e):
"""
Handle canvas release events has finished capturing e
:param e: A Qt event object.
:type: QEvent
"""
_ = e
self.is_emitting_point = False
self.rectangle_created.emit()
def canvasMoveEvent(self, e):
"""
:param e:
:return:
"""
if not self.is_emitting_point:
return
self.end_point = self.toMapCoordinates(e.pos())
self.show_rectangle(self.start_point, self.end_point)
def show_rectangle(self, start_point, end_point):
"""
Show the rectangle on the canvas.
:param start_point: QGIS Point object representing the origin (
top left).
:type start_point: QgsPoint
:param end_point: QGIS Point object representing the contra-origin (
bottom right).
:type end_point: QgsPoint
:return:
"""
self.rubber_band.reset(QGis.Polygon)
if (start_point.x() == end_point.x() or
start_point.y() == end_point.y()):
return
point1 = start_point
point2 = QgsPoint(end_point.x(), start_point.y())
point3 = end_point
point4 = QgsPoint(start_point.x(), end_point.y())
update_canvas = False
self.rubber_band.addPoint(point1, update_canvas)
self.rubber_band.addPoint(point2, update_canvas)
self.rubber_band.addPoint(point3, update_canvas)
self.rubber_band.addPoint(point4, update_canvas)
# noinspection PyArgumentEqualDefault
# no False so canvas will update
# close the polygon otherwise it shows as a filled rect
self.rubber_band.addPoint(point1)
self.rubber_band.show()
def rectangle(self):
"""
Accessor for the rectangle.
:return: A rectangle showing the designed extent.
:rtype: QgsRectangle
"""
if self.start_point is None or self.end_point is None:
return None
elif self.start_point.x() == self.end_point.x() or \
self.start_point.y() == self.end_point.y():
return None
return QgsRectangle(self.start_point, self.end_point)
def set_rectangle(self, rectangle):
"""
Set the rectangle for the selection.
:param rectangle:
:return:
"""
if rectangle == self.rectangle():
return False
if rectangle is None:
self.reset()
else:
self.start_point = QgsPoint(
rectangle.xMinimum(), rectangle.yMinimum())
self.end_point = QgsPoint(
rectangle.xMaximum(), rectangle.yMaximum())
self.show_rectangle(self.start_point, self.end_point)
return True
def deactivate(self):
"""
Disable the tool.
"""
QgsMapTool.deactivate(self)
self.deactivated.emit()
class RectangleMapTool(QgsMapToolEmitPoint):
rectangleCreated = pyqtSignal()
deactivated = pyqtSignal()
def __init__(self, canvas):
self.canvas = canvas
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.rubberBand = QgsRubberBand(self.canvas,
QgsWkbTypes.PolygonGeometry)
self.rubberBand.setColor(QColor(255, 0, 0, 100))
self.rubberBand.setWidth(2)
self.reset()
def reset(self):
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
self.rubberBand.reset(QgsWkbTypes.PolygonGeometry)
def canvasPressEvent(self, e):
self.startPoint = self.toMapCoordinates(e.pos())
self.endPoint = self.startPoint
self.isEmittingPoint = True
self.showRect(self.startPoint, self.endPoint)
def canvasReleaseEvent(self, e):
self.isEmittingPoint = False
if self.rectangle() is not None:
self.rectangleCreated.emit()
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.endPoint = self.toMapCoordinates(e.pos())
self.showRect(self.startPoint, self.endPoint)
def showRect(self, startPoint, endPoint):
self.rubberBand.reset(QgsWkbTypes.PolygonGeometry)
if startPoint.x() == endPoint.x() or startPoint.y() == endPoint.y():
return
point1 = QgsPointXY(startPoint.x(), startPoint.y())
point2 = QgsPointXY(startPoint.x(), endPoint.y())
point3 = QgsPointXY(endPoint.x(), endPoint.y())
point4 = QgsPointXY(endPoint.x(), startPoint.y())
self.rubberBand.addPoint(point1, False)
self.rubberBand.addPoint(point2, False)
self.rubberBand.addPoint(point3, False)
# True to update canvas
self.rubberBand.addPoint(point4, True)
self.rubberBand.show()
def rectangle(self):
if self.startPoint is None or self.endPoint is None:
return None
elif self.startPoint.x() == self.endPoint.x() or \
self.startPoint.y() == self.endPoint.y():
return None
return QgsRectangle(self.startPoint, self.endPoint)
def setRectangle(self, rect):
if rect == self.rectangle():
return False
if rect is None:
self.reset()
else:
self.startPoint = QgsPointXY(rect.xMaximum(), rect.yMaximum())
self.endPoint = QgsPointXY(rect.xMinimum(), rect.yMinimum())
self.showRect(self.startPoint, self.endPoint)
return True
def deactivate(self):
QgsMapTool.deactivate(self)
self.deactivated.emit()
class RectangleMapTool(QgsMapToolEmitPoint):
rectangleCreated = pyqtSignal()
deactivated = pyqtSignal()
def __init__(self, canvas):
self.canvas = canvas
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.rubberBand = QgsRubberBand(self.canvas, QgsWkbTypes.PolygonGeometry)
self.rubberBand.setColor(QColor(255, 0, 0, 100))
self.rubberBand.setWidth(2)
self.reset()
def reset(self):
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
self.rubberBand.reset(QgsWkbTypes.PolygonGeometry)
def canvasPressEvent(self, e):
self.startPoint = self.toMapCoordinates(e.pos())
self.endPoint = self.startPoint
self.isEmittingPoint = True
self.showRect(self.startPoint, self.endPoint)
def canvasReleaseEvent(self, e):
self.isEmittingPoint = False
if self.rectangle() is not None:
self.rectangleCreated.emit()
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.endPoint = self.toMapCoordinates(e.pos())
self.showRect(self.startPoint, self.endPoint)
def showRect(self, startPoint, endPoint):
self.rubberBand.reset(QgsWkbTypes.PolygonGeometry)
if startPoint.x() == endPoint.x() or startPoint.y() == endPoint.y():
return
point1 = QgsPointXY(startPoint.x(), startPoint.y())
point2 = QgsPointXY(startPoint.x(), endPoint.y())
point3 = QgsPointXY(endPoint.x(), endPoint.y())
point4 = QgsPointXY(endPoint.x(), startPoint.y())
self.rubberBand.addPoint(point1, False)
self.rubberBand.addPoint(point2, False)
self.rubberBand.addPoint(point3, False)
# True to update canvas
self.rubberBand.addPoint(point4, True)
self.rubberBand.show()
def rectangle(self):
if self.startPoint is None or self.endPoint is None:
return None
elif self.startPoint.x() == self.endPoint.x() or \
self.startPoint.y() == self.endPoint.y():
return None
return QgsRectangle(self.startPoint, self.endPoint)
def setRectangle(self, rect):
if rect == self.rectangle():
return False
if rect is None:
self.reset()
else:
self.startPoint = QgsPointXY(rect.xMaximum(), rect.yMaximum())
self.endPoint = QgsPointXY(rect.xMinimum(), rect.yMinimum())
self.showRect(self.startPoint, self.endPoint)
return True
def deactivate(self):
QgsMapTool.deactivate(self)
self.deactivated.emit()
class SelectDownloadExtentMapTool(QgsMapTool):
def __init__(self, canvas, dialog):
self.canvas = canvas
self.dialog = dialog
QgsMapTool.__init__(self, self.canvas)
self.setCursor(Qt.CrossCursor)
self.rubberBand = QgsRubberBand(self.canvas, QGis.Polygon)
self.rubberBand.setColor(Qt.red)
self.rubberBand.setWidth(1)
self.reset()
def reset(self):
self.startPoint = self.endPoint = None
self.isEmittingPoint = False
self.rubberBand.reset(QGis.Polygon)
def canvasPressEvent(self, e):
self.startPoint = self.toMapCoordinates(e.pos())
self.endPoint = self.startPoint
self.isEmittingPoint = True
self.showRect(self.startPoint, self.endPoint)
def canvasReleaseEvent(self, e):
self.isEmittingPoint = False
self.dialog.setExtent(self.rectangle())
self.dialog.showNormal()
self.dialog.raise_()
self.dialog.activateWindow()
self.reset()
def canvasMoveEvent(self, e):
if not self.isEmittingPoint:
return
self.endPoint = self.toMapCoordinates(e.pos())
self.showRect(self.startPoint, self.endPoint)
def showRect(self, startPoint, endPoint):
self.rubberBand.reset(QGis.Polygon)
if startPoint.x() == endPoint.x() or startPoint.y() == endPoint.y():
return
point1 = QgsPoint(startPoint.x(), startPoint.y())
point2 = QgsPoint(startPoint.x(), endPoint.y())
point3 = QgsPoint(endPoint.x(), endPoint.y())
point4 = QgsPoint(endPoint.x(), startPoint.y())
self.rubberBand.addPoint(point1, False)
self.rubberBand.addPoint(point2, False)
self.rubberBand.addPoint(point3, False)
self.rubberBand.addPoint(point4, True) # true to update canvas
self.rubberBand.show()
def rectangle(self):
if self.startPoint is None or self.endPoint is None:
return None
elif self.startPoint.x() == self.endPoint.x() or self.startPoint.y(
) == self.endPoint.y():
return None
return QgsRectangle(self.startPoint, self.endPoint)
