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 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 DrawPolygonMapTool(QgsMapTool):
polygonSelected = pyqtSignal(object)
def __init__(self, canvas):
QgsMapTool.__init__(self, canvas)
self.canvas = canvas
self.extent = None
self.rubberBand = QgsRubberBand(self.canvas,
QgsWkbTypes.PolygonGeometry)
self.rubberBand.setFillColor(RB_FILL)
self.rubberBand.setStrokeColor(RB_STROKE)
self.rubberBand.setWidth(1)
self.vertex_count = 1 # two points are dropped initially
def canvasReleaseEvent(self, event):
if event.button() == Qt.RightButton:
if self.rubberBand is None:
return
# TODO: validate geom before firing signal
self.extent.removeDuplicateNodes()
self.polygonSelected.emit(self.extent)
self.rubberBand.reset(QgsWkbTypes.PolygonGeometry)
del self.rubberBand
self.rubberBand = None
self.vertex_count = 1 # two points are dropped initially
return
elif event.button() == Qt.LeftButton:
if self.rubberBand is None:
self.rubberBand = QgsRubberBand(self.canvas,
QgsWkbTypes.PolygonGeometry)
self.rubberBand.setFillColor(RB_FILL)
self.rubberBand.setStrokeColor(RB_STROKE)
self.rubberBand.setWidth(1)
self.rubberBand.addPoint(event.mapPoint())
self.extent = self.rubberBand.asGeometry()
self.vertex_count += 1
def canvasMoveEvent(self, event):
if self.rubberBand is None:
pass
elif not self.rubberBand.numberOfVertices():
pass
elif self.rubberBand.numberOfVertices() == self.vertex_count:
if self.vertex_count == 2:
mouse_vertex = self.rubberBand.numberOfVertices() - 1
self.rubberBand.movePoint(mouse_vertex, event.mapPoint())
else:
self.rubberBand.addPoint(event.mapPoint())
else:
mouse_vertex = self.rubberBand.numberOfVertices() - 1
self.rubberBand.movePoint(mouse_vertex, event.mapPoint())
def deactivate(self):
QgsMapTool.deactivate(self)
if self.rubberBand is not None:
self.rubberBand.reset(QgsWkbTypes.PolygonGeometry)
self.deactivated.emit()
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 )
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 AddPipeTool(QgsMapTool):
def __init__(self, data_dock, params):
QgsMapTool.__init__(self, data_dock.iface.mapCanvas())
self.iface = data_dock.iface
""":type : QgisInterface"""
self.data_dock = data_dock
""":type : DataDock"""
self.params = params
self.mouse_pt = None
self.mouse_clicked = False
self.first_click = False
self.rubber_band = QgsRubberBand(self.canvas(), False)
self.rubber_band.setColor(QColor(255, 128, 128))
self.rubber_band.setWidth(1)
self.rubber_band.setBrushStyle(Qt.Dense4Pattern)
self.rubber_band.reset()
self.snapper = None
self.snapped_feat_id = None
self.snapped_vertex = None
self.snapped_vertex_nr = None
self.vertex_marker = QgsVertexMarker(self.canvas())
self.elev = None
self.diameter_dialog = None
def canvasPressEvent(self, event):
if event.button() == Qt.RightButton:
self.mouse_clicked = False
if event.button() == Qt.LeftButton:
self.mouse_clicked = True
def canvasMoveEvent(self, event):
self.mouse_pt = self.toMapCoordinates(event.pos())
last_ix = self.rubber_band.numberOfVertices()
self.rubber_band.movePoint(last_ix - 1,
(self.snapped_vertex if self.snapped_vertex
is not None else self.mouse_pt))
elev = raster_utils.read_layer_val_from_coord(self.params.dem_rlay,
self.mouse_pt, 1)
self.elev = elev
if elev is not None:
self.data_dock.lbl_elev_val.setText("{0:.2f}".format(self.elev))
else:
self.data_dock.lbl_elev_val.setText('-')
# Mouse not clicked: snapping to closest vertex
match = self.snapper.snapToMap(self.mouse_pt)
if match.isValid():
# Pipe starts from an existing vertex
self.snapped_feat_id = match.featureId()
self.snapped_vertex = match.point()
self.snapped_vertex_nr = match.vertexIndex()
self.vertex_marker.setCenter(self.snapped_vertex)
self.vertex_marker.setColor(QColor(255, 0, 0))
self.vertex_marker.setIconSize(10)
self.vertex_marker.setIconType(QgsVertexMarker.ICON_CIRCLE)
self.vertex_marker.setPenWidth(3)
self.vertex_marker.show()
#
else:
# It's a new, isolated pipe
self.snapped_vertex = None
self.snapped_feat_id = None
self.vertex_marker.hide()
def canvasReleaseEvent(self, event):
# if not self.mouse_clicked:
# return
if event.button() == Qt.LeftButton:
# Update rubber bands
self.rubber_band.addPoint(
(self.snapped_vertex
if self.snapped_vertex is not None else self.mouse_pt), True)
if self.first_click:
self.rubber_band.addPoint(
(self.snapped_vertex if self.snapped_vertex is not None
else self.mouse_pt), True)
self.first_click = not self.first_click
elif event.button() == Qt.RightButton:
# try:
pipe_band_geom = self.rubber_band.asGeometry()
# No rubber band geometry and feature snapped: pop the context menu
if self.rubber_band.size(
) == 0 and self.snapped_feat_id is not None:
menu = QMenu()
section_action = menu.addAction('Section...') # TODO: softcode
diameter_action = menu.addAction(
'Change diameter...') # TODO: softcode
action = menu.exec_(self.iface.mapCanvas().mapToGlobal(
QPoint(event.pos().x(),
event.pos().y())))
pipe_ft = vector_utils.get_feats_by_id(self.params.pipes_vlay,
self.snapped_feat_id)[0]
if action == section_action:
if self.params.dem_rlay is None:
self.iface.messageBar().pushMessage(
Parameters.plug_in_name,
'No DEM selected. Cannot edit section.',
Qgis.Warning, 5) # TODO: softcode
else:
# Check whether the pipe is all inside the DEM
pipe_pts = pipe_ft.geometry().asPolyline()
for pt in pipe_pts:
if not self.params.dem_rlay.extent().contains(pt):
self.iface.messageBar().pushMessage(
Parameters.plug_in_name,
'Some pipe vertices fall outside of the DEM. Cannot edit section.',
Qgis.Warning, 5) # TODO: softcode
return
# Check whether the start/end nodes have an elevation value
(start_node_ft,
end_node_ft) = NetworkUtils.find_start_end_nodes(
self.params, pipe_ft.geometry())
start_node_elev = start_node_ft.attribute(
Junction.field_name_elev)
end_node_elev = end_node_ft.attribute(
Junction.field_name_elev)
if start_node_elev == NULL or end_node_elev == NULL:
self.iface.messageBar().pushMessage(
Parameters.plug_in_name,
'Missing elevation value in start or end node attributes. Cannot edit section.',
Qgis.Warning, 5) # TODO: softcode
return
pipe_dialog = PipeSectionDialog(
self.iface.mainWindow(), self.iface, self.params,
pipe_ft)
pipe_dialog.exec_()
elif action == diameter_action:
old_diam = pipe_ft.attribute(Pipe.field_name_diameter)
self.diameter_dialog = DiameterDialog(
self.iface.mainWindow(), self.params, old_diam)
self.diameter_dialog.exec_() # Exec creates modal dialog
new_diameter = self.diameter_dialog.get_diameter()
if new_diameter is None:
return
# Update pipe diameter
vector_utils.update_attribute(self.params.pipes_vlay,
pipe_ft,
Pipe.field_name_diameter,
new_diameter)
# Check if a valve is present
adj_valves = NetworkUtils.find_links_adjacent_to_link(
self.params, self.params.pipes_vlay, pipe_ft, True,
True, False)
if adj_valves['valves']:
self.iface.messageBar().pushMessage(
Parameters.plug_in_name,
'Valves detected on the pipe: need to update their diameters too.',
Qgis.Warning, 5) # TODO: softcode
return
# There's a rubber band: create new pipe
if pipe_band_geom is not None:
#XPSS ADDED - transform rubber band CRS
canvas_crs = self.canvas().mapSettings().destinationCrs()
#pipes_vlay = Parameters().pipes_vlay()
#print(pipes_vlay)
qepanet_crs = self.params.pipes_vlay.sourceCrs()
crs_transform = QgsCoordinateTransform(canvas_crs, qepanet_crs,
QgsProject.instance())
pipe_band_geom.transform(crs_transform)
# Finalize line
rubberband_pts = pipe_band_geom.asPolyline()[:-1]
if len(rubberband_pts) == 0:
self.iface.mapCanvas().refresh()
return
rubberband_pts = self.remove_duplicated_point(rubberband_pts)
if len(rubberband_pts) < 2:
self.rubber_band.reset()
return
# Check whether the pipe points are located on existing nodes
junct_nrs = [0]
for p in range(1, len(rubberband_pts) - 1):
overlapping_nodes = NetworkUtils.find_overlapping_nodes(
self.params, rubberband_pts[p])
if overlapping_nodes['junctions'] or overlapping_nodes[
'reservoirs'] or overlapping_nodes['tanks']:
junct_nrs.append(p)
junct_nrs.append(len(rubberband_pts) - 1)
new_pipes_nr = len(junct_nrs) - 1
new_pipes_fts = []
new_pipes_eids = []
for np in range(new_pipes_nr):
pipe_eid = NetworkUtils.find_next_id(
self.params.pipes_vlay, Pipe.prefix) # TODO: softcode
#demand = float(self.data_dock.txt_pipe_demand.text())
length_units = 'm' #TODO soft code
diameter = float(self.data_dock.cbo_pipe_dia.\
currentText())
diameter_units = self.data_dock.cbo_pipe_dia_units.\
currentText()
#loss = float(self.data_dock.txt_pipe_loss.text())
#status = self.data_dock.cbo_pipe_status.currentText()
material = self.data_dock.cbo_pipe_mtl.currentText()
roughness = float(self.data_dock.txt_roughness.text())
#pipe_desc = self.data_dock.txt_pipe_desc.text()
#pipe_tag = self.data_dock.cbo_pipe_tag.currentText()
num_edu = 1
zone_id = 0
velocity = 0
velocity_units = 'm/s'
frictionloss = 0
frictionloss_units = 'm'
pipe_ft = LinkHandler.create_new_pipe(
self.params, pipe_eid, length_units, diameter,
diameter_units, 0, roughness, " ", material,
rubberband_pts[junct_nrs[np]:junct_nrs[np + 1] + 1],
True, " ", " ", num_edu, zone_id, velocity,
velocity_units, frictionloss, frictionloss_units)
self.rubber_band.reset()
new_pipes_fts.append(pipe_ft)
new_pipes_eids.append(pipe_eid)
# emitter_coeff_s = self.data_dock.txt_junction_emit_coeff.text()
#
# if emitter_coeff_s is None or emitter_coeff_s == '':
# emitter_coeff = float(0)
# else:
# emitter_coeff = float(self.data_dock.txt_junction_emit_coeff.text())
# # Description
# junction_desc = self.data_dock.txt_junction_desc.text()
#
# # Tag
# junction_tag = self.data_dock.cbo_junction_tag.currentText()
zone_end = 0
pressure = 0
pressure_units = self.data_dock.cbo_rpt_units_pressure.currentText(
)
# Create start and end node, if they don't exist
(start_junction,
end_junction) = NetworkUtils.find_start_end_nodes(
self.params, new_pipes_fts[0].geometry())
new_start_junction = None
if not start_junction:
new_start_junction = rubberband_pts[0]
junction_eid = NetworkUtils.find_next_id(
self.params.junctions_vlay, Junction.prefix)
elev = raster_utils.read_layer_val_from_coord(
self.params.dem_rlay, new_start_junction, 1)
if elev is None:
elev = 0
# If elev is none, and the DEM is selected, it's better to inform the user
if self.params.dem_rlay is not None:
self.iface.messageBar().pushMessage(
Parameters.plug_in_name,
'Elevation value not available: element elevation set to 0.',
Qgis.Warning, 5) # TODO: softcode
deltaz = float(0)
#j_demand = float(self.data_dock.txt_junction_demand.text())
# pattern = self.data_dock.cbo_junction_pattern.itemData(
# self.data_dock.cbo_junction_pattern.currentIndex())
# if pattern is not None:
# pattern_id = pattern.id
# else:
# pattern_id = None
NodeHandler.create_new_junction(self.params,
new_start_junction,
junction_eid, elev, 0,
deltaz, None, 0, " ", " ",
zone_end, pressure,
pressure_units)
(start_junction,
end_junction) = NetworkUtils.find_start_end_nodes(
self.params,
new_pipes_fts[len(new_pipes_fts) - 1].geometry())
new_end_junction = None
if not end_junction:
new_end_junction = rubberband_pts[len(rubberband_pts) - 1]
junction_eid = NetworkUtils.find_next_id(
self.params.junctions_vlay, Junction.prefix)
elev = raster_utils.read_layer_val_from_coord(
self.params.dem_rlay, new_end_junction, 1)
if elev is None:
elev = 0
# If elev is none, and the DEM is selected, it's better to inform the user
if self.params.dem_rlay is not None:
self.iface.messageBar().pushMessage(
Parameters.plug_in_name,
'Elevation value not available: element elevation set to 0.',
Qgis.Warning, 5) # TODO: softcode
deltaz = float(0)
# pattern = self.data_dock.cbo_junction_pattern.itemData(
# self.data_dock.cbo_junction_pattern.currentIndex())
# if pattern is not None:
# pattern_id = pattern.id
# else:
# pattern_id = None
NodeHandler.create_new_junction(self.params,
new_end_junction,
junction_eid, elev, 0,
deltaz, None, 0, " ", " ",
zone_end, pressure,
pressure_units)
# If end or start node intersects a pipe, split it
if new_start_junction:
for pipe_ft in self.params.pipes_vlay.getFeatures():
if pipe_ft.attribute(Pipe.field_name_eid) != new_pipes_eids[0] and\
pipe_ft.geometry().distance(QgsGeometry.fromPointXY(new_start_junction)) < self.params.tolerance:
LinkHandler.split_pipe(self.params, pipe_ft,
new_start_junction)
if new_end_junction:
for pipe_ft in self.params.pipes_vlay.getFeatures():
if pipe_ft.attribute(Pipe.field_name_eid) != new_pipes_eids[-1] and\
pipe_ft.geometry().distance(QgsGeometry.fromPointXY(new_end_junction)) < self.params.tolerance:
LinkHandler.split_pipe(self.params, pipe_ft,
new_end_junction)
self.iface.mapCanvas().refresh()
# except Exception as e:
# self.rubber_band.reset()
# self.iface.messageBar().pushWarning('Cannot add new pipe to ' + self.params.pipes_vlay.name() + ' layer', repr(e))
# traceback.print_exc(file=sys.stdout)
def keyReleaseEvent(self, event):
if event.key() == Qt.Key_Escape:
self.rubber_band.reset()
def activate(self):
self.update_snapper()
# Editing
if not self.params.junctions_vlay.isEditable():
self.params.junctions_vlay.startEditing()
if not self.params.pipes_vlay.isEditable():
self.params.pipes_vlay.startEditing()
def deactivate(self):
# QgsProject.instance().setSnapSettingsForLayer(self.params.junctions_vlay.id(),
# True,
# QgsSnapper.SnapToVertex,
# QgsTolerance.MapUnits,
# 0,
# True)
#
# QgsProject.instance().setSnapSettingsForLayer(self.params.reservoirs_vlay.id(),
# True,
# QgsSnapper.SnapToVertex,
# QgsTolerance.MapUnits,
# 0,
# True)
# QgsProject.instance().setSnapSettingsForLayer(self.params.tanks_vlay.id(),
# True,
# QgsSnapper.SnapToVertex,
# QgsTolerance.MapUnits,
# 0,
# True)
# QgsProject.instance().setSnapSettingsForLayer(self.params.pipes_vlay.id(),
# True,
# QgsSnapper.SnapToSegment,
# QgsTolerance.MapUnits,
# 0,
# True)
# self.rubber_band.reset()
self.data_dock.btn_add_pipe.setChecked(False)
self.canvas().scene().removeItem(self.vertex_marker)
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return True
def reset_marker(self):
self.outlet_marker.hide()
self.canvas().scene().removeItem(self.outlet_marker)
def remove_duplicated_point(self, pts):
# This is needed because the rubber band sometimes returns duplicated points
purged_pts = [pts[0]]
for p in enumerate(list(range(len(pts) - 1)), 1):
if pts[p[0]] == pts[p[0] - 1]:
continue
else:
purged_pts.append(pts[p[0]])
return purged_pts
def update_snapper(self):
layers = {
self.params.junctions_vlay: QgsSnappingConfig.Vertex,
self.params.reservoirs_vlay: QgsSnappingConfig.Vertex,
self.params.tanks_vlay: QgsSnappingConfig.Vertex,
self.params.pipes_vlay: QgsSnappingConfig.VertexAndSegment
}
self.snapper = NetworkUtils.set_up_snapper(layers,
self.iface.mapCanvas(),
self.params.snap_tolerance)
self.snapper.toggleEnabled()
# Needed by Observable
def update(self, observable):
self.update_snapper()
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 QgepMapToolAddFeature(QgsMapToolAdvancedDigitizing):
"""
Base class for adding features
"""
def __init__(self, iface, layer):
QgsMapToolAdvancedDigitizing.__init__(self, iface.mapCanvas(), iface.cadDockWidget())
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(1)
self.tempRubberband = QgsRubberBand(iface.mapCanvas(), layer.geometryType())
self.tempRubberband.setColor(QColor("#ee5555"))
self.tempRubberband.setWidth(1)
self.tempRubberband.setLineStyle(Qt.DotLine)
def activate(self):
"""
When activating the map tool
"""
QgsMapToolAdvancedDigitizing.activate(self)
self.canvas.setCursor(QCursor(Qt.CrossCursor))
def deactivate(self):
"""
On deactivating the map tool
"""
QgsMapToolAdvancedDigitizing.deactivate(self)
self.canvas.unsetCursor()
# pylint: disable=no-self-use
def isZoomTool(self):
"""
This is no zoom tool
"""
return False
# ===========================================================================
# Events
# ===========================================================================
def cadCanvasReleaseEvent(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 cadCanvasMoveEvent(self, event):
"""
When the mouse is moved the rubberband needs to be updated
:param event: The coordinates etc.
"""
# When a generated event arrives it's a QMoveEvent... No idea why, but this prevents from an exception
try:
QgsMapToolAdvancedDigitizing.cadCanvasMoveEvent(self, event)
mousepos = event.mapPoint()
self.tempRubberband.movePoint(mousepos)
except TypeError:
pass
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 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 ProfileTool(QgsMapTool):
""" Narzędzie do tworzenia krzywej """
def __init__(self, parent):
canvas = iface.mapCanvas()
super(ProfileTool, self).__init__(canvas)
set_cursor(self)
self.editing = False
self.parent = parent
self.task = None
self.tempGeom = QgsRubberBand(canvas, QgsWkbTypes.LineGeometry)
self.tempGeom.setColor(QColor('red'))
self.tempGeom.setWidth(2)
self.tempLine = QgsRubberBand(canvas, QgsWkbTypes.LineGeometry)
self.tempLine.setColor(QColor('red'))
self.tempLine.setWidth(2)
self.tempLine.setLineStyle(Qt.DotLine)
def keyPressEvent(self, e):
if e.key() == Qt.Key_Delete:
pointsCount = self.tempLine.numberOfVertices()
if pointsCount > 2 and self.editing:
self.tempGeom.removePoint(pointsCount-2)
self.tempLine.removePoint(pointsCount-2)
len_m = self.calculateDistance(self.tempGeom.asGeometry())
self.parent.dsbLineLength.setValue(len_m)
if self.tempGeom.numberOfVertices() == 1:
self.tempGeom.reset(QgsWkbTypes.LineGeometry)
self.tempLine.reset(QgsWkbTypes.LineGeometry)
self.parent.dsbLineLength.setValue(0)
else:
self.reset()
elif e.key() == Qt.Key_Escape:
self.reset()
def canvasMoveEvent(self, e):
#Poruszanie" wierzchołkiem linii tymczasowej zgodnie z ruchem myszki
if self.tempGeom.numberOfVertices()>1:
point = e.snapPoint()
self.tempLine.movePoint(point)
def canvasReleaseEvent(self, e):
point = e.snapPoint()
if self.task:
self.parent.on_message.emit('Trwa genrowanie profilu. Aby wygenerować następny poczekaj na pobranie danych', Qgis.Warning, 4)
return
if e.button() == int(Qt.LeftButton):
#Dodawanie kolejnych wierzchołków
if not self.editing:
#Nowy obiekt, pierwszy wierzchołek
self.tempLine.reset(QgsWkbTypes.LineGeometry)
self.tempGeom.reset(QgsWkbTypes.LineGeometry)
self.editing = True
self.tempGeom.addPoint(point)
self.tempLine.addPoint(point)
len_m = self.calculateDistance(self.tempGeom.asGeometry())
self.parent.dsbLineLength.setValue(len_m)
elif e.button() == int(Qt.RightButton):
if self.tempGeom.numberOfVertices() < 2:
return
#Zakończenie rysowania obiektu
self.tempLine.reset()
self.editing = False
geometry = self.tempGeom.asGeometry()
errors = geometry.validateGeometry()
if errors:
#Niepoprawna geometria
for error in errors:
if self.tempGeom.numberOfVertices() > 2:
self.parent.on_message.emit('Niepoprawna geometria', Qgis.Critical, 4)
self.tempGeom.reset()
return
self.get_interval()
def get_interval(self):
interval, ok = QInputDialog.getDouble(self.parent, 'Podaj interwał', 'Interwał [m]:')
if not ok:
self.reset()
return
geom = self.tempGeom.asGeometry()
activeCrs = QgsProject.instance().crs().authid()
fromCrs = QgsCoordinateReferenceSystem(activeCrs)
toCrs = QgsCoordinateReferenceSystem(2180)
transformation = QgsCoordinateTransform(fromCrs, toCrs, QgsProject.instance())
geom.transform(transformation)
meters_len = geom.length()
if meters_len <= interval:
self.parent.on_message.emit('Długość linii krótsza lub równa podanemu interwałowi', Qgis.Critical, 5)
self.reset()
return
try:
num_points = meters_len/interval
except ZeroDivisionError:
self.parent.on_message.emit('Interwał musi być większy od 0', Qgis.Critical, 4)
self.reset()
return
points_on_line = []
max_interval = 0
intervals = []
for i in range(int(num_points)+1):
pt = geom.interpolate(float(max_interval))
points_on_line.append(pt)
intervals.append(max_interval)
max_interval += interval
data = {'points':points_on_line, 'intervals':intervals}
self.task = QgsTask.fromFunction('Pobieranie wysokości dla przekroju...', self.generateProfileFromPoints, data=data)
QgsApplication.taskManager().addTask(self.task)
def generateProfileFromPoints(self, task: QgsTask, data):
points_on_line = data.get('points')
intervals = data.get('intervals')
heights = []
total = 100/len(points_on_line)
for idx, pt in enumerate(points_on_line):
height = self.parent.getHeight(pt, special=True)
heights.append(height)
try:
self.task.setProgress( idx*total )
except AttributeError as e:
pass
if heights and intervals:
self.fillTable(heights, intervals)
self.parent.on_message.emit('Pomyślnie wygenerowano profil', Qgis.Success, 4)
self.task = None
def fillTable(self, heights, intervals):
for idx, interval in enumerate(intervals):
self.parent.twData.setRowCount(idx+1)
self.parent.twData.setItem(idx, 0, QTableWidgetItem(f'{interval}'))
self.parent.twData.setItem(idx, 1, QTableWidgetItem(heights[idx]))
def calculateDistance(self, geometry):
distanceArea = QgsDistanceArea()
distanceArea.setEllipsoid('GRS80')
distanceArea.setSourceCrs(QgsProject.instance().crs(), QgsCoordinateTransformContext())
length = distanceArea.measureLength(geometry)
result = distanceArea.convertLengthMeasurement(length, QgsUnitTypes.DistanceMeters)
return result
def reset(self):
self.tempLine.reset(QgsWkbTypes.LineGeometry)
self.tempGeom.reset(QgsWkbTypes.LineGeometry)
self.parent.dsbLineLength.setValue(0)
self.parent.twData.setRowCount(0)
def deactivate(self):
self.reset()
self.parent.dsbLineLength.setEnabled(False)
self.button().setChecked(False)
class QGISRedMoveNodesTool(QgsMapTool):
ownMainLayers = [
"Pipes", "Valves", "Pumps", "Junctions", "Tanks", "Reservoirs",
"Demands", "Sources"
]
myNodeLayers = ["Junctions", "Tanks", "Reservoirs", "Demands", "Sources"]
def __init__(self, button, iface, projectDirectory, netwName):
QgsMapTool.__init__(self, iface.mapCanvas())
self.iface = iface
self.ProjectDirectory = projectDirectory
self.NetworkName = netwName
self.toolbarButton = button
self.snapper = None
self.vertexMarker = QgsVertexMarker(self.iface.mapCanvas())
self.vertexMarker.setColor(QColor(255, 87, 51))
self.vertexMarker.setIconSize(15)
self.vertexMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.vertexMarker.setPenWidth(3)
self.vertexMarker.hide()
self.mousePoint = None
self.mouseClicked = False
self.clickedPoint = None
self.objectSnapped = None
self.selectedNodeFeature = None
self.selectedNodeLayer = None
self.adjacentFeatures = None
self.newPositionVector = QgsVector(0, 0)
self.rubberBand = None
self.newVertexMarker = QgsVertexMarker(self.iface.mapCanvas())
self.newVertexMarker.setColor(QColor(55, 198, 5))
self.newVertexMarker.setIconSize(15)
self.newVertexMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.newVertexMarker.setPenWidth(3)
self.newVertexMarker.hide()
def activate(self):
cursor = QCursor()
cursor.setShape(Qt.ArrowCursor)
self.iface.mapCanvas().setCursor(cursor)
myLayers = []
# Editing
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layerPath:
myLayers.append(layer)
if not layer.isEditable():
layer.startEditing()
# Snapping
self.snapper = QgsMapCanvasSnappingUtils(self.iface.mapCanvas())
self.snapper.setMapSettings(self.iface.mapCanvas().mapSettings())
config = QgsSnappingConfig(QgsProject.instance())
config.setType(1) # Vertex
config.setMode(2) # All layers
config.setTolerance(1)
config.setUnits(2) # Pixels
config.setEnabled(True)
self.snapper.setConfig(config)
def deactivate(self):
self.toolbarButton.setChecked(False)
# End Editing
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layerPath:
if layer.isModified():
layer.commitChanges()
else:
layer.rollBack()
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return True
"""Methods"""
def getUniformedPath(self, path):
return QGISRedUtils().getUniformedPath(path)
def getLayerPath(self, layer):
return QGISRedUtils().getLayerPath(layer)
def generatePath(self, folder, fileName):
return QGISRedUtils().generatePath(folder, fileName)
def getLayers(self):
return QGISRedUtils().getLayers()
def findAdjacentElements(self, nodeGeometry):
adjacentElements = {}
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layePath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layePath:
adjacentFeatures = []
for feature in layer.getFeatures():
featureGeometry = feature.geometry()
if layer.geometryType() == 0: # Point
if self.areOverlapedPoints(nodeGeometry,
featureGeometry):
adjacentFeatures.append(feature)
elif layer.geometryType() == 1:
if featureGeometry.isMultipart():
for part in featureGeometry.get(
): # only one part
first_vertex = part[0]
last_vertex = part[-1]
else:
first_vertex = featureGeometry.get()[0]
last_vertex = featureGeometry.get()[-1]
firsVertex = QgsGeometry.fromPointXY(
QgsPointXY(first_vertex.x(), first_vertex.y()))
lastVertex = QgsGeometry.fromPointXY(
QgsPointXY(last_vertex.x(), last_vertex.y()))
if self.areOverlapedPoints(nodeGeometry, firsVertex) or\
self.areOverlapedPoints(nodeGeometry, lastVertex):
adjacentFeatures.append(feature)
if len(adjacentFeatures) > 0:
adjacentElements[layer] = adjacentFeatures
return adjacentElements
def areOverlapedPoints(self, point1, point2):
tolerance = 0.1
if point1.distance(point2) < tolerance:
return True
else:
return False
def createRubberBand(self, points):
myPoints = points
if isinstance(points[0], QgsPointXY):
myPoints = []
for p in points:
myPoints.append(QgsPoint(p.x(), p.y()))
self.rubberBand = QgsRubberBand(self.iface.mapCanvas(), False)
self.rubberBand.setToGeometry(QgsGeometry.fromPolyline(myPoints), None)
self.rubberBand.setColor(QColor(55, 198, 5))
self.rubberBand.setWidth(1)
self.rubberBand.setLineStyle(Qt.DashLine)
self.newVertexMarker.setCenter(QgsPointXY(points[0].x(),
points[0].y()))
self.newVertexMarker.show()
def updateRubberBand(self):
newX = self.clickedPoint.x() + self.newPositionVector.x()
newY = self.clickedPoint.y() + self.newPositionVector.y()
self.rubberBand.movePoint(1, QgsPointXY(newX, newY))
self.newVertexMarker.setCenter(QgsPointXY(newX, newY))
def moveNodePoint(self, layer, nodeFeature, newPosition):
if layer.isEditable():
layer.beginEditCommand('Move node')
try:
edit_utils = QgsVectorLayerEditUtils(layer)
edit_utils.moveVertex(newPosition.x(), newPosition.y(),
nodeFeature.id(), 0)
except Exception as e:
layer.destroyEditCommand()
raise e
layer.endEditCommand()
def moveVertexLink(self, layer, feature, newPosition, vertexIndex):
if layer.isEditable():
layer.beginEditCommand("Update link geometry")
try:
edit_utils = QgsVectorLayerEditUtils(layer)
edit_utils.moveVertex(newPosition.x(), newPosition.y(),
feature.id(), vertexIndex)
except Exception as e:
layer.destroyEditCommand()
raise e
layer.endEditCommand()
"""Events"""
def canvasPressEvent(self, event):
if self.objectSnapped is None:
self.clickedPoint = None
return
if event.button() == Qt.RightButton:
self.mouseClicked = False
self.clickedPoint = None
if event.button() == Qt.LeftButton:
self.mouseClicked = True
self.clickedPoint = self.objectSnapped.point()
self.selectedNodeFeature = None
self.adjacentFeatures = None
foundNode = False
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.myNodeLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layerPath:
locatedPoint = self.snapper.locatorForLayer(layer)
match = locatedPoint.nearestVertex(
self.objectSnapped.point(), 1)
if match.isValid():
featureId = match.featureId()
request = QgsFeatureRequest().setFilterFid(
featureId)
node = list(layer.getFeatures(request))
self.selectedNodeLayer = layer
foundNode = True
if not foundNode:
return
self.selectedNodeFeature = QgsFeature(node[0])
self.adjacentFeatures = self.findAdjacentElements(
self.selectedNodeFeature.geometry())
self.createRubberBand(
[self.objectSnapped.point(),
self.objectSnapped.point()])
def canvasMoveEvent(self, event):
self.mousePoint = self.toMapCoordinates(event.pos())
# Mouse not clicked
if not self.mouseClicked:
match = self.snapper.snapToMap(self.mousePoint)
if match.isValid():
self.objectSnapped = match
vertex = match.point()
self.vertexMarker.setCenter(QgsPointXY(vertex.x(), vertex.y()))
self.vertexMarker.show()
else:
self.objectSnapped = None
self.selectedNodeFeature = None
self.vertexMarker.hide()
# Mouse clicked
else:
# Update rubber band
if self.objectSnapped is not None and self.rubberBand is not None:
snappedPoint = self.objectSnapped.point()
self.newPositionVector = QgsVector(
self.mousePoint.x() - snappedPoint.x(),
self.mousePoint.y() - snappedPoint.y())
self.updateRubberBand()
def canvasReleaseEvent(self, event):
mousePoint = self.toMapCoordinates(event.pos())
if not self.mouseClicked:
return
if event.button() == 1:
self.mouseClicked = False
if self.objectSnapped is not None:
if self.selectedNodeFeature is not None:
for adjLayer in self.adjacentFeatures:
for feature in self.adjacentFeatures[adjLayer]:
if adjLayer.geometryType() == 0: # Point
self.moveNodePoint(adjLayer, feature,
mousePoint)
else:
nodeGeometry = self.selectedNodeFeature.geometry(
)
featureGeometry = feature.geometry()
if featureGeometry.isMultipart():
for part in featureGeometry.get(
): # only one part
firstVertex = part[0]
vertices = len(part)
else:
firstVertex = featureGeometry.get()[0]
vertices = 2
firstPoint = QgsGeometry.fromPointXY(
QgsPointXY(firstVertex.x(),
firstVertex.y()))
if self.areOverlapedPoints(
nodeGeometry, firstPoint):
index = 0
else:
index = vertices - 1
self.moveVertexLink(adjLayer, feature,
mousePoint, index)
self.objectSnapped = None
self.selectedNodeFeature = None
self.iface.mapCanvas().refresh()
# Remove vertex marker and rubber band
self.vertexMarker.hide()
self.iface.mapCanvas().scene().removeItem(self.rubberBand)
self.newVertexMarker.hide()
class SignatureTool(QgsMapTool):
"""
On Double click it will callback with an array with a single pixel.
On Single click without releasing it will draw a square and callback
the starting and ending point in an array.
On Single click with releasing it will start drawing a polygon and
every subsequent single click will add a new vertex in the polygon.
On Right click it will callback with an array with all the vertex in
the polygon.
On Escape it will clean up the array and start over.
"""
def __init__(self, canvas, layer, callback):
QgsMapTool.__init__(self, canvas)
self._canvas = canvas
self._layer = layer
self._callback = callback
self._pixels = []
self._start_point = None
self._mode = Mode.NONE
self._rubber_band = QgsRubberBand(self._canvas)
self._rubber_band.setColor(Qt.red)
self._rubber_band.setWidth(1)
self.parent().setCursor(Qt.CrossCursor)
def getPoint(self, pos):
x = pos.x()
y = pos.y()
return self._canvas.getCoordinateTransform().toMapCoordinates(x, y)
def getRowCol(self, point):
# clicked position on screen to map coordinates
data_provider = self._layer.dataProvider()
extent = data_provider.extent()
width = data_provider.xSize() if data_provider.capabilities() \
& data_provider.Size else 1000
height = data_provider.ySize() if data_provider.capabilities() \
& data_provider.Size else 1000
xres = extent.width() / width
yres = extent.height() / height
if extent.xMinimum() <= point.x() <= extent.xMaximum() and \
extent.yMinimum() <= point.y() <= extent.yMaximum():
col = int(floor((point.x() - extent.xMinimum()) / xres))
row = int(floor((extent.yMaximum() - point.y()) / yres))
return (row, col)
else:
return None
def keyReleaseEvent(self, event):
if event.key() == Qt.Key_Escape:
self._pixels = []
self.finish()
def canvasMoveEvent(self, event):
point = self.getPoint(event.pos())
if self._mode is Mode.SQUARE:
if not point.compare(self._start_point):
self._rubber_band.reset()
self._rubber_band.addPoint(self._start_point, False)
self._rubber_band.addPoint(
QgsPointXY(self._start_point.x(), point.y()), False)
self._rubber_band.addPoint(point, False)
self._rubber_band.addPoint(
QgsPointXY(point.x(), self._start_point.y()), False)
self._rubber_band.closePoints()
elif self._mode is Mode.POLYGON:
self._rubber_band.movePoint(
self._rubber_band.numberOfVertices() - 1, point)
def canvasReleaseEvent(self, event):
if event.button() == Qt.LeftButton:
point = self.getPoint(event.pos())
if self._mode is Mode.SQUARE:
if self._start_point.compare(point):
self._mode = Mode.POLYGON
self._rubber_band.addPoint(point)
self._start_point = None
else:
self._pixels = []
# The last vertex is repeated
for i in range(self._rubber_band.numberOfVertices() - 1):
self._pixels.append(
self.getRowCol(self._rubber_band.getPoint(0, i)))
self.finish()
elif self._mode is Mode.POLYGON:
self._rubber_band.addPoint(point)
def canvasPressEvent(self, event):
if event.button() == Qt.LeftButton:
point = self.getPoint(event.pos())
pixel = self.getRowCol(point)
if self._mode is Mode.NONE:
self._mode = Mode.SQUARE
self._start_point = QgsPointXY(point.x(), point.y())
elif self._mode is Mode.POLYGON:
self._rubber_band.removePoint(
self._rubber_band.numberOfVertices() - 1)
else:
self._mode = Mode.POLYGON
if pixel:
self._rubber_band.addPoint(point)
self._pixels.append(pixel)
elif event.button() == Qt.RightButton:
self.finish()
def finish(self):
self._canvas.unsetMapTool(self)
self._rubber_band.reset()
self._mode = Mode.NONE
self._start_point = None
if len(self._pixels) > 0:
self._callback(self._layer.hiperqube_id(), self._pixels)
class RubberBand():
def __init__(self, iface):
self.iface = iface
def initGui(self):
# cria uma ação que iniciará a configuração do plugin
#self.myMapTool = QgsMapToolEmitPoint( self.iface.mapCanvas() )
self.initVariables()
self.initSignals()
def initVariables(self):
self.coordinates = []
# Criação da action e da toolbar
self.toolbar = self.iface.addToolBar("My_ToolBar")
pai = self.iface.mainWindow()
icon_path = ':/plugins/RubberBand/icon.png'
self.action = QAction(QIcon(icon_path), u"Cria RubberBand de Polygon.",
pai)
self.action.setObjectName("Cria RubberBand de Polygon.")
self.action.setStatusTip(None)
self.action.setWhatsThis(None)
self.action.setCheckable(True)
self.toolbar.addAction(self.action)
self.previousMapTool = self.iface.mapCanvas().mapTool()
self.myMapTool = QgsMapToolEmitPoint(self.iface.mapCanvas())
self.isEditing = 0
# self.vlyr = QgsVectorLayer("Polygon?crs=EPSG:31982", "temporary_polygons", "memory")
# self.dprov = self.vlyr.dataProvider()
# # Add field to virtual layer
# self.dprov.addAttributes([QgsField("name", QVariant.String),
# QgsField("size", QVariant.Double)])
# self.vlyr.updateFields()
# Access ID
# self.fields = self.dprov.fields()
def initSignals(self):
self.action.toggled.connect(self.initRubberBand)
self.myMapTool.canvasClicked.connect(self.mouseClick)
def initRubberBand(self, b):
if b:
self.myRubberBand = QgsRubberBand(self.iface.mapCanvas(),
QGis.Polygon)
color = QColor(78, 97, 114)
color.setAlpha(190)
self.myRubberBand.setColor(color)
self.myRubberBand.setFillColor(QColor(255, 0, 0, 40))
self.myRubberBand.setBorderColor(QColor(255, 0, 0, 200))
# Set MapTool
self.iface.mapCanvas().setMapTool(self.myMapTool)
self.iface.mapCanvas().xyCoordinates.connect(self.mouseMove)
else:
self.disconnect()
def disconnect(self):
self.iface.mapCanvas().unsetMapTool(self.myMapTool)
try:
self.iface.mapCanvas().xyCoordinates.disconnect(self.mouseMove)
except:
pass
try:
self.myRubberBand.reset()
except:
pass
def unChecked(self):
pass
def unload(self):
self.disconnect()
def mouseClick(self, currentPos, clickedButton):
if clickedButton == Qt.LeftButton: # and myRubberBand.numberOfVertices() == 0:
self.myRubberBand.addPoint(QgsPoint(currentPos))
self.coordinates.append(QgsPoint(currentPos))
self.isEditing = 1
elif clickedButton == Qt.RightButton and self.myRubberBand.numberOfVertices(
) > 2:
self.isEditing = 0
# open input dialog
(description, False) = QInputDialog.getText(
self.iface.mainWindow(), "Description",
"Description for Polygon at x and y", QLineEdit.Normal,
'My Polygon')
#create feature and set geometry
poly = QgsFeature()
geomP = self.myRubberBand.asGeometry()
poly.setGeometry(geomP)
print geomP.exportToWkt()
#set attributes
# indexN = self.dprov.fieldNameIndex('name')
# indexA = self.dprov.fieldNameIndex('size')
# poly.setAttributes([QgsDistanceArea().measurePolygon(self.coordinates), indexA])
# poly.setAttributes([description, indexN])
# add feature
# self.dprov.addFeatures([poly])
# self.vlyr.updateExtents()
#add layer
# self.vlyr.triggerRepaint()
# QgsMapLayerRegistry.instance().addMapLayers([self.vlyr])
# self.myRubberBand.reset(QGis.Polygon)
def mouseMove(self, currentPos):
if self.isEditing == 1:
self.myRubberBand.movePoint(QgsPoint(currentPos))
class LineMapTool(QgsMapTool):
def __init__(self, iface, settings, action, index_action):
''' Class constructor '''
self.iface = iface
self.canvas = self.iface.mapCanvas()
self.settings = settings
self.index_action = index_action
self.elem_type_type = self.settings.value('insert_values/'+str(index_action)+'_elem_type_type')
QgsMapTool.__init__(self, self.canvas)
self.setAction(action)
# Set rubber band features
self.rubberBand = QgsRubberBand(self.canvas, QGis.Line)
mFillColor = QColor(255, 0, 0);
self.rubberBand.setColor(mFillColor)
self.rubberBand.setWidth(2)
self.reset()
# Vertex marker
self.vertexMarker = QgsVertexMarker(self.canvas)
self.vertexMarker.setColor(QColor(0, 255, 0))
self.vertexMarker.setIconSize(9)
self.vertexMarker.setIconType(QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.vertexMarker.setPenWidth(5)
# Snapper
self.snapper = QgsMapCanvasSnapper(self.canvas)
# Control button state
self.mCtrl = False
self.started = False
# Tracing options
self.firstTimeOnSegment = True
self.lastPointMustStay = False
self.lastPoint = None
# Change map tool cursor
self.cursor = QCursor()
self.cursor.setShape(Qt.CrossCursor)
self.parent().setCursor(self.cursor)
def keyPressEvent(self, event):
''' We need to know, if ctrl-key is pressed '''
if event.key() == Qt.Key_Control:
self.mCtrl = True
def keyReleaseEvent(self, event):
''' Ctrl-key is released '''
if event.key() == Qt.Key_Control:
self.mCtrl = False
# Remove the last added point when the delete key is pressed
if event.key() == Qt.Key_Backspace:
self.rubberBand.removeLastPoint()
def reset(self):
self.start_point = self.end_point = None
self.isEmittingPoint = False
self.rubberBand.reset(QGis.Line)
''' QgsMapTools inherited event functions '''
def canvasPressEvent(self, event):
''' On left click, we add a point '''
if event.button() == 1:
# layer = self.canvas.currentLayer()
layer = self.iface.activeLayer()
# Declare, that are we going to work
self.started = True
if layer <> None:
x = event.pos().x()
y = event.pos().y()
selPoint = QPoint(x,y)
# Check something snapped
(retval,result) = self.snapper.snapToBackgroundLayers(selPoint) #@UnusedVariable
# The point we want to have, is either from snapping result
if result <> []:
point = result[0].snappedVertex
# If we snapped something, it's either a vertex
if result[0].snappedVertexNr <> -1:
self.firstTimeOnSegment = True
# Or a point on a segment, so we have to declare, that a point on segment is found
else:
self.firstTimeOnSegment = False
# Or its some point from out in the wild
else:
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y)
self.firstTimeOnSegment = True
# Bring the rubberband to the cursor i.e. the clicked point
self.rubberBand.movePoint(point)
# Set a new point to go on with
self.appendPoint(point)
# Try to remember that this point was on purpose i.e. clicked by the user
self.lastPointMustStay = True
self.firstTimeOnSegment = True
def canvasMoveEvent(self, event):
# Hide highlight
self.vertexMarker.hide()
# Get the click
x = event.pos().x()
y = event.pos().y()
eventPoint = QPoint(x,y)
# Snapping
(retval,result) = self.snapper.snapToBackgroundLayers(eventPoint) #@UnusedVariable
# That's the snapped point
if result <> []:
point = QgsPoint(result[0].snappedVertex)
# Add marker
self.vertexMarker.setCenter(point)
self.vertexMarker.show()
# Check tracing
if self.started:
# Only if the ctrl key is pressed
if self.mCtrl == True:
# So if we have found a snapping
if result <> []:
# If it is a vertex, not a point on a segment
if result[0].snappedVertexNr <> -1:
self.rubberBand.movePoint(point)
self.appendPoint(point)
self.lastPointMustStay = True
# The next point found, may be on a segment
self.firstTimeOnSegment = True
# We are on a segment
else:
self.rubberBand.movePoint(point)
# If we are on a new segment, we add the point in any case
if self.firstTimeOnSegment:
self.appendPoint(point)
self.lastPointMustStay = True
self.firstTimeOnSegment = False
# if we are not on a new segment, we have to test, if this point is really needed
else:
# but only if we have already enough points
if self.rubberBand.numberOfVertices() >=3:
num_vertexs = self.rubberBand.numberOfVertices()
lastRbP = self.rubberBand.getPoint(0, num_vertexs-2)
nextToLastRbP = self.rubberBand.getPoint(0, num_vertexs-3)
if not self.pointOnLine(lastRbP, nextToLastRbP, QgsPoint(point)):
self.appendPoint(point)
self.lastPointMustStay = False
else:
if not self.lastPointMustStay:
self.rubberBand.removeLastPoint()
self.rubberBand.movePoint(point)
else:
self.appendPoint(point)
self.lastPointMustStay = False
self.firstTimeOnSegment = False
else:
#if nothing specials happens, just update the rubberband to the cursor position
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform (), x, y)
self.rubberBand.movePoint(point)
else:
''' In "not-tracing" state, just update the rubberband to the cursor position
but we have still to snap to act like the "normal" digitize tool '''
if result <> []:
point = QgsPoint(result[0].snappedVertex)
# Add marker
self.vertexMarker.setCenter(point)
self.vertexMarker.show()
else:
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y)
self.rubberBand.movePoint(point)
def canvasReleaseEvent(self, event):
''' With right click the digitizing is finished '''
if event.button() == 2:
# layer = self.canvas.currentLayer()
layer = self.iface.activeLayer()
x = event.pos().x()
y = event.pos().y()
if layer <> None and self.started == True:
selPoint = QPoint(x,y)
(retval,result) = self.snapper.snapToBackgroundLayers(selPoint) #@UnusedVariable
if result <> []:
point = result[0].snappedVertex #@UnusedVariable
else:
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y) #@UnusedVariable
self.sendGeometry()
def appendPoint(self, point):
''' Don't add the point if it is identical to the last point we added '''
if not (self.lastPoint == point) :
self.rubberBand.addPoint(point)
self.lastPoint = QgsPoint(point)
else:
pass
def sendGeometry(self):
#layer = self.canvas.currentLayer()
layer = self.iface.activeLayer()
coords = []
self.rubberBand.removeLastPoint()
if QGis.QGIS_VERSION_INT >= 10700:
[coords.append(self.rubberBand.getPoint(0, i)) for i in range(self.rubberBand.numberOfVertices())]
else:
[coords.append(self.rubberBand.getPoint(0,i)) for i in range(1,self.rubberBand.numberOfVertices())]
# On the Fly reprojection, not necessary any more, mapToLayerCoordinates is clever enough on its own
#layerEPSG = layer.srs().epsg()
#projectEPSG = self.canvas.mapRenderer().destinationSrs().epsg()
#if layerEPSG != projectEPSG:
coords_tmp = coords[:]
coords = []
for point in coords_tmp:
transformedPoint = self.canvas.mapRenderer().mapToLayerCoordinates( layer, point );
coords.append(transformedPoint)
# Filter duplicated points
coords_tmp = coords[:]
coords = []
lastPt = None
for pt in coords_tmp:
if (lastPt <> pt) :
coords.append(pt)
lastPt = pt
# Add geometry to feature.
g = QgsGeometry().fromPolyline(coords)
self.rubberBand.reset(QGis.Line)
self.started = False
# Write the feature
self.createFeature(g)
def createFeature(self, geom):
# layer = self.canvas.currentLayer()
layer = self.iface.activeLayer()
provider = layer.dataProvider()
f = QgsFeature()
if (geom.isGeosValid()):
f.setGeometry(geom)
else:
reply = QMessageBox.question(self.iface.mainWindow(), 'Feature not valid',
"The geometry of the feature you just added isn't valid. Do you want to use it anyway?",
QMessageBox.Yes, QMessageBox.No)
if reply == QMessageBox.Yes:
f.setGeometry(geom)
else:
return False
# Add attribute fields to feature.
fields = layer.pendingFields()
try: #API-Break 1.8 vs. 2.0 handling
attr = f.initAttributes(len(fields)) #@UnusedVariable
for i in range(len(fields)):
f.setAttribute(i, provider.defaultValue(i))
except AttributeError: #<=1.8
# Add attributefields to feature.
for i in fields:
f.addAttribute(i, provider.defaultValue(i))
idx = layer.fieldNameIndex('epa_type')
f[idx] = self.elem_type_type
# Upload changes
layer.startEditing()
layer.addFeature(f)
# Control PostgreSQL exceptions
boolOk = layer.commitChanges()
# Update canvas
self.canvas.refresh()
# Capture edit exception
if boolOk:
# Spatial query to retrieve last added line, start searchingcandidates
cands = layer.getFeatures(QgsFeatureRequest().setFilterRect(f.geometry().boundingBox()))
# Iterate on candidates
for line_feature in cands:
if line_feature.geometry().equals(f.geometry()):
# Highlight
layer.setSelectedFeatures([line_feature.id()])
# Open form
self.iface.openFeatureForm(layer, line_feature)
break
else:
# Delete
layer.rollBack()
# User error
msg = "Error adding PIPE: Typically this occurs if\n the first point is not located in a existing\n node or feature is out of the defined sectors."
QMessageBox.information(None, "PostgreSQL error:", msg)
def activate(self):
self.canvas.setCursor(self.cursor)
def deactivate(self):
try:
self.rubberBand.reset(QGis.Line)
except AttributeError:
pass
class ProfileTool(QgsMapTool):
""" Narzędzie do tworzenia krzywej """
def __init__(self, parent):
canvas = iface.mapCanvas()
super(ProfileTool, self).__init__(canvas)
set_cursor(self)
self.editing = False
self.parent = parent
self.task = None
#Konfiguracja geometrii tymczasowych
self.tempGeom = QgsRubberBand(canvas, QgsWkbTypes.LineGeometry)
self.tempGeom.setColor(QColor('red'))
self.tempGeom.setWidth(2)
self.tempLine = QgsRubberBand(canvas, QgsWkbTypes.LineGeometry)
self.tempLine.setColor(QColor('red'))
self.tempLine.setWidth(2)
self.tempLine.setLineStyle(Qt.DotLine)
def keyPressEvent(self, e):
"""
Usuwanie ostatniego dodanego punktu/segmentu lub
czyszczenie całości
"""
if e.key() == Qt.Key_Delete:
pointsCount = self.tempLine.numberOfVertices()
if pointsCount > 2 and self.editing:
self.tempGeom.removePoint(pointsCount - 2)
self.tempLine.removePoint(pointsCount - 2)
len_m = self.calculateDistance(self.tempGeom.asGeometry())
self.parent.dsbLineLength.setValue(len_m)
if self.tempGeom.numberOfVertices() == 1:
self.tempGeom.reset(QgsWkbTypes.LineGeometry)
self.tempLine.reset(QgsWkbTypes.LineGeometry)
self.parent.dsbLineLength.setValue(0)
else:
self.reset()
elif e.key() == Qt.Key_Escape:
self.reset()
def canvasMoveEvent(self, e):
""" 'Poruszanie' wierzchołkiem linii tymczasowej zgodnie z ruchem myszki """
if self.tempGeom.numberOfVertices() > 1:
point = e.snapPoint()
self.tempLine.movePoint(point)
def canvasReleaseEvent(self, e):
""" Rysowanie obiektu """
point = e.snapPoint()
if self.task is not None:
self.parent.on_message.emit(
'Trwa genrowanie profilu. Aby wygenerować następny poczekaj na pobranie danych',
Qgis.Warning, 4)
return
if e.button() == int(Qt.LeftButton):
#Dodawanie kolejnych wierzchołków
if not self.editing:
#Nowy obiekt, pierwszy wierzchołek
self.tempLine.reset(QgsWkbTypes.LineGeometry)
self.tempGeom.reset(QgsWkbTypes.LineGeometry)
self.editing = True
self.tempGeom.addPoint(point)
self.tempLine.addPoint(point)
len_m = self.calculateDistance(self.tempGeom.asGeometry())
self.parent.dsbLineLength.setValue(len_m)
elif e.button() == int(Qt.RightButton):
if self.tempGeom.numberOfVertices() < 2:
return
#Zakończenie rysowania obiektu
self.tempLine.reset()
self.editing = False
geometry = self.tempGeom.asGeometry()
errors = geometry.validateGeometry()
if errors:
#Niepoprawna geometria
for error in errors:
if self.tempGeom.numberOfVertices() > 2:
self.parent.on_message.emit('Niepoprawna geometria',
Qgis.Critical, 4)
self.tempGeom.reset()
return
self.getInterval()
def getInterval(self):
""" Zebranie geometrii punktów na linii zgodnie z zadanym interwałem """
interval, ok = QInputDialog.getDouble(self.parent, 'Podaj interwał',
'Interwał [m]:')
if not ok:
self.reset()
return
geom = self.parent.transformGeometry(
self.tempGeom.asGeometry(),
current_crs=QgsProject.instance().crs().authid(),
)
meters_len = geom.length()
if meters_len <= interval:
self.parent.on_message.emit(
'Długość linii krótsza lub równa podanemu interwałowi',
Qgis.Critical, 5)
self.reset()
return
try:
num_points = meters_len / interval
except ZeroDivisionError:
self.parent.on_message.emit('Interwał musi być większy od 0',
Qgis.Critical, 4)
self.reset()
return
points_on_line = []
max_interval = 0
intervals = []
for i in range(int(num_points) + 1):
pt = geom.interpolate(float(max_interval)).asPoint()
points_on_line.append(f'{pt.y()}%20{pt.x()}')
intervals.append(max_interval)
max_interval += interval
data = {'points': points_on_line, 'intervals': intervals}
self.task = QgsTask.fromFunction(
'Pobieranie wysokości dla przekroju...',
self.generateProfileFromPoints,
data=data)
QgsApplication.taskManager().addTask(self.task)
def generateProfileFromPoints(self, task: QgsTask, data):
""" Pobranie wysokości dla punktów na linii """
points_on_line = data.get('points')
intervals = data.get('intervals')
response = self.parent.getPointsHeights(points_on_line).split(',')
heights = []
for r in response:
_, height = r.rsplit(' ', 1)
heights.append(height)
if heights and intervals:
self.fillTable(heights, intervals)
self.parent.on_message.emit('Pomyślnie wygenerowano profil',
Qgis.Success, 4)
self.task = None
def fillTable(self, heights, intervals):
""" Wypełnienie tabelii interwałami i wysokościami dla nich """
for idx, interval in enumerate(intervals):
try:
self.parent.twData.setRowCount(idx + 1)
self.parent.twData.setItem(idx, 0,
QTableWidgetItem(f'{interval}'))
self.parent.twData.setItem(idx, 1,
QTableWidgetItem(heights[idx]))
except:
return
def calculateDistance(self, geometry):
""" Obliczenie długości linii w odpowiedniej jednostce """
distance_area = QgsDistanceArea()
distance_area.setEllipsoid('GRS80')
distance_area.setSourceCrs(QgsProject.instance().crs(),
QgsCoordinateTransformContext())
length = distance_area.measureLength(geometry)
result = distance_area.convertLengthMeasurement(
length, QgsUnitTypes.DistanceMeters)
return result
def reset(self):
""" Czyszczenie narzędzia """
self.tempLine.reset(QgsWkbTypes.LineGeometry)
self.tempGeom.reset(QgsWkbTypes.LineGeometry)
self.parent.dsbLineLength.setValue(0)
self.parent.twData.setRowCount(0)
def deactivate(self):
""" Reagowanie zmiany aktywności narzędzia """
self.reset()
self.parent.dsbLineLength.setEnabled(False)
self.button().setChecked(False)
class ApisMapToolEmitPolygonAndPoint(QgsMapTool, ApisMapToolMixin):
mappingFinished = pyqtSignal(QgsGeometry, QgsGeometry, QgsCoordinateReferenceSystem)
def __init__(self, canvas):
QgsMapTool.__init__(self, canvas)
self.canvas = canvas
self.rubberBand = None
self.tempRubberBand = None
self.vertexMarker = None
self.capturedPoints = []
self.derivedPoint = None
self.capturing = False
self.setCursor(Qt.CrossCursor)
def canvasReleaseEvent(self, event):
if event.button() == Qt.LeftButton:
if not self.capturing:
self.startCapturing()
self.addVertex(event.pos())
elif event.button() == Qt.RightButton:
point = self.getDerivedPoint()
polygon = self.getCapturedPolygon()
self.stopCapturing()
if point != None and polygon != None:
pointGeom = self.getPointGeometry(point)
polygonGeom = self.getPolygonGeometry(polygon)
if pointGeom != None and polygonGeom != None:
self.mappingFinished.emit(pointGeom, polygonGeom, self.canvas.mapSettings().destinationCrs())
else:
self.clearScene()
else:
self.clearScene()
def canvasMoveEvent(self, event):
if self.tempRubberBand != None and self.capturing:
mapPt = self.transformCoordinates(event.pos())
self.tempRubberBand.movePoint(mapPt)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Backspace or event.key() == Qt.Key_Delete:
self.removeLastVertex()
event.ignore()
if event.key() == Qt.Key_Escape:
self.stopCapturing()
self.clearScene()
if event.key() == Qt.Key_Return or event.key() == Qt.Key_Enter:
point = self.getDerivedPoint()
polygon = self.getCapturedPolygon()
self.stopCapturing()
if point != None and polygon != None:
pointGeom = self.getPointGeometry(point)
polygonGeom = self.getPolygonGeometry(polygon)
if pointGeom != None and polygonGeom != None:
self.mappingFinished.emit(pointGeom, polygonGeom, self.canvas.mapSettings().destinationCrs())
else:
self.clearScene()
else:
self.clearScene()
def startCapturing(self):
self.clearScene()
self.rubberBand = QgsRubberBand(self.canvas, QGis.Polygon)
self.rubberBand.setWidth(2)
self.rubberBand.setFillColor(QColor(220, 0, 0, 120))
self.rubberBand.setBorderColor(QColor(220, 0, 0))
self.rubberBand.setLineStyle(Qt.DotLine)
self.rubberBand.show()
self.tempRubberBand = QgsRubberBand(self.canvas, QGis.Polygon)
self.tempRubberBand.setWidth(2)
self.tempRubberBand.setFillColor(QColor(0, 0, 0, 0))
self.tempRubberBand.setBorderColor(QColor(220, 0, 0))
self.tempRubberBand.setLineStyle(Qt.DotLine)
self.tempRubberBand.show()
self.vertexMarker = QgsVertexMarker(self.canvas)
self.vertexMarker.setIconType(1)
self.vertexMarker.setColor(QColor(220, 0, 0))
self.vertexMarker.setIconSize(16)
self.vertexMarker.setPenWidth(3)
self.vertexMarker.show()
self.capturing = True
def clearScene(self):
if self.vertexMarker:
self.canvas.scene().removeItem(self.vertexMarker)
self.vertexMarker = None
if self.rubberBand:
self.canvas.scene().removeItem(self.rubberBand)
self.rubberBand = None
if self.tempRubberBand:
self.canvas.scene().removeItem(self.tempRubberBand)
self.tempRubberBand = None
def stopCapturing(self):
if self.vertexMarker and self.rubberBand and self.rubberBand.numberOfVertices() < 3:
self.canvas.scene().removeItem(self.vertexMarker)
self.vertexMarker = None
if self.rubberBand and self.rubberBand.numberOfVertices() < 3:
self.canvas.scene().removeItem(self.rubberBand)
self.rubberBand = None
if self.tempRubberBand:
self.canvas.scene().removeItem(self.tempRubberBand)
self.tempRubberBand = None
self.capturing = False
self.capturedPoints = []
self.derivedPoint = None
self.canvas.refresh()
def addVertex(self, canvasPoint):
mapPt = self.transformCoordinates(canvasPoint)
self.rubberBand.addPoint(mapPt)
self.capturedPoints.append(mapPt)
bandSize = self.rubberBand.numberOfVertices()
if bandSize > 2:
rubGeom = self.rubberBand.asGeometry()
cpGeom = rubGeom.centroid()
if not rubGeom.contains(cpGeom):
cpGeom = rubGeom.pointOnSurface()
#nearestCp = rubGeom.nearestPoint(cpGeom)
self.vertexMarker.setCenter(cpGeom.asPoint())
self.derivedPoint = cpGeom.asPoint()
self.vertexMarker.show()
self.tempRubberBand.reset(QGis.Polygon)
firstPoint = self.rubberBand.getPoint(0, 0)
self.tempRubberBand.addPoint(firstPoint)
self.tempRubberBand.movePoint(mapPt)
self.tempRubberBand.addPoint(mapPt)
def removeLastVertex(self):
if not self.capturing:
return
bandSize = self.rubberBand.numberOfVertices()
tempBandSize = self.tempRubberBand.numberOfVertices()
numPoints = len(self.capturedPoints)
if bandSize < 1 or numPoints < 1:
return
self.rubberBand.removePoint(-1)
if bandSize > 1:
if tempBandSize > 1:
point = self.rubberBand.getPoint(0, bandSize - 2)
self.tempRubberBand.movePoint(tempBandSize - 2, point)
else:
self.tempRubberBand.reset(QGis.Polygon)
bandSize = self.rubberBand.numberOfVertices()
if bandSize < 3:
self.vertexMarker.hide()
else:
rubGeom = self.rubberBand.asGeometry()
cpGeom = rubGeom.centroid()
if not rubGeom.contains(cpGeom):
cpGeom = rubGeom.pointOnSurface()
#nearestCp = rubGeom.nearestPoint(cpGeom)
self.vertexMarker.setCenter(cpGeom.asPoint())
self.derivedPoint = cpGeom.asPoint()
self.vertexMarker.show()
del self.capturedPoints[-1]
def getCapturedPolygon(self):
polygon = self.capturedPoints
if len(polygon) < 3:
return None
else:
return polygon
def getDerivedPoint(self):
point = self.derivedPoint
if point == None:
return None
else:
return point
def getPointGeometry(self, geom):
p = QgsGeometry.fromPoint(geom)
if p.isGeosValid() and not p.isGeosEmpty():
return p
else:
return None
def getPolygonGeometry(self, geom):
p = QgsGeometry.fromPolygon([geom])
if p.isGeosValid() and not p.isGeosEmpty():
return p
else:
return None
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 VideoWidget(QVideoWidget):
def __init__(self, parent=None):
''' Constructor '''
super().__init__(parent)
self.surface = VideoWidgetSurface(self)
self.setAttribute(Qt.WA_OpaquePaintEvent)
self.Tracking_Video_RubberBand = QRubberBand(QRubberBand.Rectangle, self)
self.Censure_RubberBand = QRubberBand(QRubberBand.Rectangle, self)
color_blue = QColor(Qt.blue)
color_black = QColor(Qt.black)
color_amber = QColor(252, 215, 108)
pal_blue = QPalette()
pal_blue.setBrush(QPalette.Highlight, QBrush(color_blue))
self.Tracking_Video_RubberBand.setPalette(pal_blue)
pal_black = QPalette()
pal_black.setBrush(QPalette.Highlight, QBrush(color_black))
self.Censure_RubberBand.setPalette(pal_black)
self._interaction = InteractionState()
self._filterSatate = FilterState()
self._isinit = False
self._MGRS = False
self.gt = None
self.drawCesure = []
self.poly_coordinates, self.drawPtPos, self.drawLines, self.drawMeasureDistance, self.drawMeasureArea, self.drawPolygon = [], [], [], [], [], []
# Draw Polygon Canvas Rubberband
self.poly_Canvas_RubberBand = QgsRubberBand(
iface.mapCanvas(), True) # Polygon type
# set rubber band style
self.poly_Canvas_RubberBand.setColor(color_amber)
self.poly_Canvas_RubberBand.setWidth(3)
# Tracking Canvas Rubberband
self.Track_Canvas_RubberBand = QgsRubberBand(
iface.mapCanvas(), QgsWkbTypes.LineGeometry)
# set rubber band style
self.Track_Canvas_RubberBand.setColor(color_blue)
self.Track_Canvas_RubberBand.setWidth(5)
# Cursor Canvas Rubberband
self.Cursor_Canvas_RubberBand = QgsRubberBand(
iface.mapCanvas(), QgsWkbTypes.PointGeometry)
self.Cursor_Canvas_RubberBand.setWidth(4)
self.Cursor_Canvas_RubberBand.setColor(QColor(255, 100, 100, 250))
self.Cursor_Canvas_RubberBand.setIcon(QgsRubberBand.ICON_FULL_DIAMOND)
self.parent = parent.parent()
palette = self.palette()
palette.setColor(QPalette.Background, Qt.transparent)
self.setPalette(palette)
self.origin, self.dragPos = QPoint(), QPoint()
self.tapTimer = QBasicTimer()
self.brush = QBrush(color_black)
self.blue_Pen = QPen(color_blue, 3)
def removeLastLine(self):
''' Remove Last Line Objects '''
if self.drawLines:
try:
if self.drawLines[-1][3] == "mouseMoveEvent":
del self.drawLines[-1] # Remove mouseMoveEvent element
except Exception:
None
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 '''
try:
if self.drawLines[-1][3] == "mouseMoveEvent":
del self.drawLines[-1] # Remove mouseMoveEvent element
except Exception:
None
if self.drawLines:
if self.drawLines[-1][0] is None:
del self.drawLines[-1]
del self.drawLines[-1]
self.UpdateSurface()
AddDrawLineOnMap(self.drawLines)
return
def removeAllLines(self):
''' Resets Line List '''
if self.drawLines:
self.drawLines = []
self.UpdateSurface()
# Clear all Layer
RemoveAllDrawLineOnMap()
def ResetDrawMeasureDistance(self):
''' Resets Measure Distance List '''
self.drawMeasureDistance = []
def ResetDrawMeasureArea(self):
''' Resets Measure Area List '''
self.drawMeasureArea = []
def removeAllCensure(self):
''' Remove All Censure Objects '''
if self.drawCesure:
self.drawCesure = []
self.UpdateSurface()
def removeLastCensured(self):
''' Remove Last Censure Objects '''
if self.drawCesure:
del self.drawCesure[-1]
self.UpdateSurface()
def removeLastPoint(self):
''' Remove All Point Drawer Objects '''
if self.drawPtPos:
del self.drawPtPos[-1]
self.UpdateSurface()
RemoveLastDrawPointOnMap()
return
def removeAllPoint(self):
''' Remove All Point Drawer Objects '''
if self.drawPtPos:
self.drawPtPos = []
self.UpdateSurface()
# Clear all Layer
RemoveAllDrawPointOnMap()
return
def removeAllPolygon(self):
''' Remove All Polygon Drawer Objects '''
if self.drawPolygon:
self.drawPolygon = []
self.UpdateSurface()
# Clear all Layer
RemoveAllDrawPolygonOnMap()
def removeLastPolygon(self):
''' Remove Last Polygon Drawer Objects '''
if self.drawPolygon:
try:
if self.drawPolygon[-1][3] == "mouseMoveEvent":
del self.drawPolygon[-1] # Remove mouseMoveEvent element
except Exception:
None
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 keyPressEvent(self, event):
'''Exit fullscreen
:type event: QKeyEvent
:param event:
:return:
'''
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().keyPressEvent(event)
def mouseDoubleClickEvent(self, event):
"""
Mouse double click 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])
return
if self.gt is not None and self._interaction.measureDistance:
self.drawMeasureDistance.append([None, None, None])
return
if self.gt is not None and self._interaction.measureArea:
self.drawMeasureArea.append([None, None, None])
return
if self.gt is not None and self._interaction.polygonDrawer:
ok = AddDrawPolygonOnMap(self.poly_coordinates)
# Prevent invalid geometry (Polygon with 2 points)
if not ok:
return
self.drawPolygon.append([None, None, None])
# Empty RubberBand
for _ in range(self.poly_Canvas_RubberBand.numberOfVertices()):
self.poly_Canvas_RubberBand.removeLastPoint()
# Empty List
self.poly_coordinates = []
return
self.UpdateSurface()
self.setFullScreen(not self.isFullScreen())
event.accept()
def videoSurface(self):
''' Return video Surface '''
return self.surface
def UpdateSurface(self):
''' Update Video Surface only is is stopped or paused '''
if self.parent.playerState in (QMediaPlayer.StoppedState,
QMediaPlayer.PausedState):
self.update()
QApplication.processEvents()
def sizeHint(self):
''' This property holds the recommended size for the widget '''
return self.surface.surfaceFormat().sizeHint()
def currentFrame(self):
''' Return current frame QImage '''
return self.surface.image
def SetInvertColor(self, value):
'''Set Invert color filter
@type value: bool
@param value:
@return:
'''
self._filterSatate.invertColorFilter = value
def SetObjectTracking(self, value):
'''Set Object Tracking
@type value: bool
@param value:
@return:
'''
self._interaction.objectTracking = value
def SetMeasureDistance(self, value):
'''Set measure Distance
@type value: bool
@param value:
@return:
'''
self._interaction.measureDistance = value
def SetMeasureArea(self, value):
'''Set measure Area
@type value: bool
@param value:
@return:
'''
self._interaction.measureArea = value
def SetHandDraw(self, value):
'''Set Hand Draw
@type value: bool
@param value:
@return:
'''
self._interaction.HandDraw = value
def SetCensure(self, value):
'''Set Censure Video Parts
@type value: bool
@param value:
@return:
'''
self._interaction.censure = value
def SetMGRS(self, value):
'''Set MGRS Cursor Coordinates
@type value: bool
@param value:
@return:
'''
self._MGRS = value
def SetGray(self, value):
'''Set gray scale
@type value: bool
@param value:
@return:
'''
self._filterSatate.grayColorFilter = value
def SetMirrorH(self, value):
'''Set Horizontal Mirror
@type value: bool
@param value:
@return:
'''
self._filterSatate.MirroredHFilter = value
def SetNDVI(self, value):
'''Set NDVI
@type value: bool
@param value:
@return:
'''
self._filterSatate.NDVI = value
def SetEdgeDetection(self, value):
'''Set Canny Edge filter
@type value: bool
@param value:
@return:
'''
self._filterSatate.edgeDetectionFilter = value
def SetAutoContrastFilter(self, value):
'''Set Automatic Contrast filter
@type value: bool
@param value:
@return:
'''
self._filterSatate.contrastFilter = value
def SetMonoFilter(self, value):
'''Set mono filter
@type value: bool
@param value:
@return:
'''
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()
# Magnifier Glass
self.dragPos = QPoint()
self.tapTimer.stop()
def RemoveCanvasRubberbands(self):
''' Remove Canvas Rubberbands '''
self.poly_Canvas_RubberBand.reset()
self.Track_Canvas_RubberBand.reset(QgsWkbTypes.LineGeometry)
self.Cursor_Canvas_RubberBand.reset(QgsWkbTypes.PointGeometry)
def paintEvent(self, event):
"""
@type event: QPaintEvent
@param event:
@return:
"""
if not self.surface.isActive():
return
self.painter = QPainter(self)
self.painter.setRenderHint(QPainter.HighQualityAntialiasing)
region = event.region()
self.painter.fillRect(region.boundingRect(), self.brush) # Background painter color
try:
self.surface.paint(self.painter)
SetImageSize(self.currentFrame().width(),
self.currentFrame().height())
except Exception:
None
# Prevent draw on video if not started or finished
if self.parent.player.position() == 0:
self.painter.end()
return
self.gt = GetGCPGeoTransform()
# Draw On Video
draw.drawOnVideo(self.drawPtPos, self.drawLines, self.drawPolygon,
self.drawMeasureDistance, self.drawMeasureArea, self.drawCesure, self.painter, self.surface, self.gt)
# Draw On Video Object tracking test
if self._interaction.objectTracking and self._isinit:
frame = convertQImageToMat(self.currentFrame())
offset = self.surface.videoRect()
# Update tracker
result = resize(frame, (offset.width(), offset.height()))
ok, bbox = self.tracker.update(result)
# Draw bounding box
if ok:
# check negative values
x = bbox[0] + offset.x()
y = bbox[1] + offset.y()
if vut.IsPointOnScreen(x, y, self.surface):
self.painter.setPen(self.blue_Pen)
self.painter.drawRect(x, y, bbox[2], bbox[3])
# Get Track object center
xc = x + (bbox[2] / 2)
yc = y + (bbox[3] / 2)
p = QPoint(xc, yc)
Longitude, Latitude, _ = vut.GetPointCommonCoords(
p, self.surface)
# Draw Rubber Band on canvas
self.Track_Canvas_RubberBand.addPoint(QgsPointXY(Longitude, Latitude))
else:
self._isinit = False
del self.tracker
# Magnifier Glass
if self._interaction.magnifier and not self.dragPos.isNull():
draw.drawMagnifierOnVideo(self, self.dragPos, self.currentFrame(), self.painter)
# Stamp On Video
if self._interaction.stamp:
draw.drawStampOnVideo(self, self.painter)
self.painter.end()
return
def resizeEvent(self, _):
"""
@type _: QMouseEvent
@param _:
@return:
"""
self.surface.updateVideoRect()
self.update()
# Magnifier Glass
if self._interaction.magnifier and not self.dragPos.isNull():
draw.drawMagnifierOnVideo(self, self.dragPos, self.currentFrame(), self.painter)
# QApplication.processEvents()
def AddMoveEventValue(self, values, Longitude, Latitude, Altitude):
"""
Remove and Add move value for fluid drawing
@type values: list
@param values: Points list
@type Longitude: float
@param Longitude: Longitude value
@type Latitude: float
@param Latitude: Latitude value
@type Altitude: float
@param Altitude: Altitude value
"""
for idx, pt in enumerate(values):
if pt[-1] == "mouseMoveEvent":
del values[idx]
values.append([Longitude, Latitude, Altitude, "mouseMoveEvent"])
self.UpdateSurface()
def mouseMoveEvent(self, event):
"""
@type event: QMouseEvent
@param event:
@return:
"""
# Magnifier mouseMoveEvent
# Magnifier can move on black screen for show image borders
if self._interaction.magnifier:
if event.buttons():
self.dragPos = event.pos()
self.UpdateSurface()
# check if the point is on picture (not in black borders)
if(not vut.IsPointOnScreen(event.x(), event.y(), self.surface)):
self.setCursor(QCursor(Qt.ArrowCursor))
self.Cursor_Canvas_RubberBand.reset(QgsWkbTypes.PointGeometry)
return
# Prevent draw on video if not started or finished
if self.parent.player.position() == 0:
return
# Mouser cursor drawing
if self._interaction.pointDrawer or self._interaction.polygonDrawer or self._interaction.lineDrawer or self._interaction.measureDistance or self._interaction.measureArea or self._interaction.censure or self._interaction.objectTracking:
self.setCursor(QCursor(Qt.CrossCursor))
# Cursor Coordinates
if self.gt is not None:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
tr = QgsCoordinateTransform( QgsCoordinateReferenceSystem( 'EPSG:4326' ), iface.mapCanvas().mapSettings().destinationCrs(), QgsProject.instance().transformContext() )
mapPt = tr.transform( QgsPointXY(Longitude, Latitude) )
vertices = self.Cursor_Canvas_RubberBand.numberOfVertices()
if vertices > 0:
self.Cursor_Canvas_RubberBand.removePoint(0, True, 0)
self.Cursor_Canvas_RubberBand.movePoint( mapPt, 0)
else:
self.Cursor_Canvas_RubberBand.addPoint( mapPt )
if self._MGRS:
try:
mgrsCoords = mgrs.toMgrs(Latitude, Longitude)
except Exception:
mgrsCoords = ""
txt = "<span style='font-size:9pt; font-weight:normal;'>" + \
("%s" % mgrsCoords) + "</span>"
else:
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)
# Polygon drawer mouseMoveEvent
if self._interaction.polygonDrawer:
self.AddMoveEventValue(self.drawPolygon, Longitude, Latitude, Altitude)
# Line drawer mouseMoveEvent
if self._interaction.lineDrawer:
self.AddMoveEventValue(self.drawLines, Longitude, Latitude, Altitude)
# Measure Distance drawer mouseMoveEvent
if self._interaction.measureDistance and self.drawMeasureDistance:
self.AddMoveEventValue(self.drawMeasureDistance, Longitude, Latitude, Altitude)
# Measure Area drawer mouseMoveEvent
if self._interaction.measureArea and self.drawMeasureArea:
self.AddMoveEventValue(self.drawMeasureArea, Longitude, Latitude, Altitude)
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
# Object tracking rubberband
if not self.Tracking_Video_RubberBand.isHidden():
self.Tracking_Video_RubberBand.setGeometry(
QRect(self.origin, event.pos()).normalized())
# Censure rubberband
if not self.Censure_RubberBand.isHidden():
self.Censure_RubberBand.setGeometry(
QRect(self.origin, event.pos()).normalized())
def timerEvent(self, _):
""" Time Event (Magnifier method)"""
if not self._interaction.magnifier:
self.activateMagnifier()
def mousePressEvent(self, event):
"""
@type event: QMouseEvent
@param event:
@return:
"""
if GetImageHeight() == 0:
return
# Prevent draw on video if not started or finished
if self.parent.player.position() == 0:
return
if event.button() == Qt.LeftButton:
# Magnifier Glass
if self._interaction.magnifier:
self.dragPos = event.pos()
self.tapTimer.stop()
self.tapTimer.start(10, self)
if(not vut.IsPointOnScreen(event.x(), event.y(), self.surface)):
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_Canvas_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)
self.origin = event.pos()
# Object Tracking Interaction
if self._interaction.objectTracking:
self.Tracking_Video_RubberBand.setGeometry(
QRect(self.origin, QSize()))
self.Tracking_Video_RubberBand.show()
# Censure Interaction
if self._interaction.censure:
self.Censure_RubberBand.setGeometry(
QRect(self.origin, QSize()))
self.Censure_RubberBand.show()
# Measure Distance drawer
if self.gt is not None and self._interaction.measureDistance:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
self.drawMeasureDistance.append([Longitude, Latitude, Altitude])
# Measure Distance drawer
if self.gt is not None and self._interaction.measureArea:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
self.drawMeasureArea.append([Longitude, Latitude, Altitude])
# if not called, the paint event is not triggered.
self.UpdateSurface()
def activateMagnifier(self):
""" Activate Magnifier Glass """
self.tapTimer.stop()
self.UpdateSurface()
def SetMagnifier(self, value):
"""Set Magnifier Glass
@type value: bool
@param value:
"""
self._interaction.magnifier = value
# We avoid that the second time we activate the tool, save the previous position.
# Always keep the same behavior of the tool
if not value:
self.dragPos = QPoint()
self.tapTimer.stop()
def SetStamp(self, value):
"""Set Stamp
@type value: bool
@param value:
"""
self._interaction.stamp = value
def SetPointDrawer(self, value):
"""Set Point Drawer
@type value: bool
@param value:
"""
self._interaction.pointDrawer = value
def SetLineDrawer(self, value):
"""Set Line Drawer
@type value: bool
@param value:
"""
self._interaction.lineDrawer = value
def SetPolygonDrawer(self, value):
"""Set Polygon Drawer
@type value: bool
@param value:
"""
self._interaction.polygonDrawer = value
def mouseReleaseEvent(self, _):
"""
@type event: QMouseEvent
@param event:
@return:
"""
# Prevent draw on video if not started or finished
if self.parent.player.position() == 0:
return
# Censure Draw Interaction
if self._interaction.censure:
geom = self.Censure_RubberBand.geometry()
self.Censure_RubberBand.hide()
self.drawCesure.append([geom])
# Object Tracking Interaction
if self._interaction.objectTracking:
geom = self.Tracking_Video_RubberBand.geometry()
offset = self.surface.videoRect()
bbox = (geom.x() - offset.x(), geom.y() - offset.y(), geom.width(), geom.height())
img = self.currentFrame()
frame = convertQImageToMat(img)
# Remo rubberband on canvas and video
self.Tracking_Video_RubberBand.hide()
self.Track_Canvas_RubberBand.reset()
self.tracker = TrackerMOSSE_create()
result = resize(frame, (offset.width(), offset.height()))
try:
ok = self.tracker.init(result, bbox)
except Exception:
return
if ok:
self._isinit = True
# Get Traker center
xc = bbox[0] + (geom.width() / 2)
yc = bbox[1] + (geom.height() / 2)
p = QPoint(xc, yc)
Longitude, Latitude, _ = vut.GetPointCommonCoords(
p, self.surface)
# Draw Rubber Band on canvas
self.Track_Canvas_RubberBand.addPoint(QgsPointXY(Longitude, Latitude))
else:
self._isinit = False
def leaveEvent(self, _):
"""
@type _: QEvent
@param _:
@return:
"""
# Remove coordinates label value
self.parent.lb_cursor_coord.setText("")
# Change cursor
self.setCursor(QCursor(Qt.ArrowCursor))
# Reset mouse rubberband
self.Cursor_Canvas_RubberBand.reset(QgsWkbTypes.PointGeometry)
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 QvPrint(QWidget):
"""Una classe del tipus QWidget que servirà per imprimir un area determinada.
El widget conté un botó per imprimir, un per tornar a posicionar l'area d'impresió, i un comboBox per escollir l'escala.
"""
def __init__(self, project, canvas, poligon, parent=None):
"""Inicialització de la clase:
Arguments:
project {QgsProject().instance()} -- El projecte actiu
canvas {QgsVectorLayer} -- El canvas sobre el que es coloca la rubberband.
poligon {QgsPoligon} -- Poligon inicial. A revisar.
"""
# We inherit our parent's properties and methods.
QWidget.__init__(self, parent)
self.parent = parent
# Creating a memory layer to draw later the rubberband.
estatDirtybit = self.parent.canvisPendents
self.layer = QgsVectorLayer('Point?crs=epsg:23031',
"Capa temporal d'impressió", "memory")
project.addMapLayer(self.layer, False)
# We store safely the parameters as class variables.
self.canvas = canvas
self.project = project
self.poligon = poligon
# Offset inicial del rectangle d'impressió- TODO
self.incX = 100
self.incY = 150
# Semafor per deixar fix el rectangle un cop fet click.
self.pucMoure = True
# Diccionari d'escales i proporcions que fixen el tamany del rectangle en pantalla.
# Podria fer-se millor, pero Practicality beats Purity...
self.dictEscales = {
'100': 20,
'200': 40,
'250': 45,
'500': 100,
'1000': 200,
'2000': 400,
'2500': 450,
'5000': 1000,
'10000': 2000,
'20000': 4000,
'25000': 4500,
'50000': 10000
}
# We instanciate de PointTool tool, to wait for clicks
# After that, we assign the tool to the canvas.
rp = PointTool(self, self.canvas)
canvas.setMapTool(rp)
self.setupUI()
self.rubberband = QgsRubberBand(self.canvas)
self.rubberband.setColor(QColor(0, 0, 0, 50))
self.rubberband.setWidth(4)
self.canvas.xyCoordinates.connect(self.mocMouse)
self.pintarRectangle(self.poligon)
self.rubberband.hide()
self.parent.setDirtyBit(estatDirtybit)
def setupUI(self):
self.layout = QVBoxLayout(self)
self.setLayout(self.layout)
self.layout.setContentsMargins(10, 20, 10, 20)
self.layout.setSpacing(14)
# self.layout.setAlignment(Qt.AlignTop)
self.layoutTitol = QHBoxLayout()
self.lblTitol = QLabel("Títol: ")
self.leTitol = QLineEdit(self)
self.leTitol.setText(self.parent.titolProjecte)
self.layoutTitol.addWidget(self.lblTitol)
self.layoutTitol.addWidget(self.leTitol)
self.cbOrientacio = QComboBox(self)
self.cbOrientacio.addItems(['Vertical', 'Horitzontal'])
self.cbOrientacio.SelectedItem = "Vertical"
self.cbOrientacio.setCurrentIndex(1)
self.cbOrientacio.currentTextChanged.connect(self.canviOrientacio)
self.lblCBOrientacio = QLabel("Orientació: ")
self.layoutCBOrientacio = QHBoxLayout()
self.layoutCBOrientacio.addWidget(self.lblCBOrientacio)
self.layoutCBOrientacio.addWidget(self.cbOrientacio)
self.combo = QComboBox(self)
llistaEscales = [key for key in self.dictEscales]
self.combo.addItems(llistaEscales)
self.combo.currentTextChanged.connect(self.canviEscala)
self.lblEscales = QLabel("Escales")
self.layEscales = QHBoxLayout()
self.layEscales.addWidget(self.lblEscales)
self.layEscales.addWidget(self.combo)
self.cbMida = QComboBox(self)
self.cbMida.addItems(['A0', 'A1', 'A2', 'A3', 'A4'])
self.cbMida.currentTextChanged.connect(self.canviEscala)
self.cbMida.setCurrentIndex(4)
self.lblCBmida = QLabel("Paper: ")
self.layoutCBmida = QHBoxLayout()
self.layoutCBmida.addWidget(self.lblCBmida)
self.layoutCBmida.addWidget(self.cbMida)
self.boto = QvPushButton(text='Generar PDF',
destacat=True,
parent=self)
self.boto.clicked.connect(self.printPlanol)
self.boto.setFixedWidth(220)
self.boto2 = QvPushButton(text='Emmarcar zona a imprimir', parent=self)
self.boto2.clicked.connect(self.potsMoure)
self.boto2.setFixedWidth(220)
self.nota = QLabel(
"NOTA: Alguns navegadors web alteren l'escala d'impressió dels PDFs. Per màxima exactitud imprimiu des de l'Adobe Acrobat."
)
styleheetLabel = '''
QLabel {
color: grey;
}'''
self.nota.setStyleSheet(styleheetLabel)
self.nota.setMaximumWidth(200)
self.nota.setWordWrap(True)
self.layout.addLayout(self.layoutTitol)
self.layout.addLayout(self.layEscales)
self.layout.addLayout(self.layoutCBmida)
self.layout.addLayout(self.layoutCBOrientacio)
self.layout.addWidget(self.boto2)
self.layout.addWidget(self.boto)
self.layout.addWidget(self.nota)
# self.layout.addWidget(self.wFormat)
# self.layout.addWidget(self.rbVertical)
# self.layout.addWidget(self.rbHoritzontal)
self.layout.addStretch()
def potsMoure(self):
# self.canvas.scene().removeItem(self.rubberband)
self.pucMoure = True
def canviEscala(self):
self.pucMoure = True
escala = int(self.dictEscales[self.combo.currentText()])
mida = self.cbMida.currentText()
if mida == 'A3':
escala *= math.sqrt(2)
elif mida == 'A2':
escala *= math.sqrt(2) * 2
elif mida == 'A1':
escala *= math.sqrt(2) * 3
elif mida == 'A0':
escala *= math.sqrt(2) * 4
if self.cbOrientacio.SelectedItem == "Horitzontal":
self.incX = escala
self.incY = escala * 1.5
else:
self.incX = escala * 1.5
self.incY = escala
def canviOrientacio(self):
self.pucMoure = True
if self.cbOrientacio.SelectedItem == "Vertical":
self.cbOrientacio.SelectedItem = "Horitzontal"
else:
self.cbOrientacio.SelectedItem = "Vertical"
self.incX, self.incY = self.incY, self.incX
def canvasClickat(self): #???
print('Clickat, si')
def mocMouse(self, p):
if not self.isVisible():
self.rubberband.hide()
self.pucMoure
elif self.pucMoure:
if self.canvas.rotation() == 0:
self.posXY = [p.x() + self.incX / 2, p.y() + self.incY / 2]
self.rubberband.movePoint(
0, QgsPointXY(p.x() + self.incX,
p.y() + self.incY), 0)
self.rubberband.movePoint(1,
QgsPointXY(p.x() + self.incX, p.y()),
0)
self.rubberband.movePoint(2, QgsPointXY(p.x(), p.y()), 0)
self.rubberband.movePoint(3,
QgsPointXY(p.x(),
p.y() + self.incY), 0)
self.rubberband.movePoint(
4, QgsPointXY(p.x() + self.incX,
p.y() + self.incY), 0)
else:
alpha = math.radians(self.canvas.rotation())
beta = math.atan(self.incY / self.incX)
d = math.sqrt(self.incX**2 + self.incY**2)
self.posXY = [(2 * p.x() + d * math.cos(alpha + beta)) / 2,
(2 * p.y() + d * math.sin(alpha + beta)) / 2]
self.rubberband.movePoint(
0,
QgsPointXY(p.x() + d * math.cos(alpha + beta),
p.y() + d * math.sin(alpha + beta)), 0)
self.rubberband.movePoint(
1,
QgsPointXY(p.x() + self.incX * math.cos(alpha),
p.y() + self.incX * math.sin(alpha)), 0)
self.rubberband.movePoint(2, QgsPointXY(p.x(), p.y()), 0)
self.rubberband.movePoint(
3,
QgsPointXY(
p.x() + self.incY * math.cos(math.radians(90 + 45)),
p.y() + self.incY * math.sin(math.radians(90 + 45))),
0)
self.rubberband.movePoint(
4,
QgsPointXY(p.x() + d * math.cos(alpha + beta),
p.y() + d * math.sin(alpha + beta)), 0)
self.rubberband.show()
def pintarRectangle(self, poligon):
points = [
QgsPointXY(0, 0),
QgsPointXY(0, 10),
QgsPointXY(10, 10),
QgsPointXY(0, 10),
QgsPointXY(0, 0)
]
poligono = QgsGeometry.fromRect(self.poligon)
self.rubberband.setToGeometry(poligono, self.layer)
def printPlanol(self):
#
# if self.checkRotacio.checkState():
# rotacio=44.75
# else:
# rotacio=0
rotacio = self.canvas.rotation()
if self.cbOrientacio.currentText() == "Vertical":
if self.cbMida.currentText() == "A4":
self.plantillaMapa = pathPlantilles + 'plantillaMapa.qpt'
elif self.cbMida.currentText() == "A3":
self.plantillaMapa = pathPlantilles + 'plantillaMapaA3.qpt'
elif self.cbMida.currentText() == "A2":
self.plantillaMapa = pathPlantilles + 'plantillaMapaA2.qpt'
elif self.cbMida.currentText() == "A1":
self.plantillaMapa = pathPlantilles + 'plantillaMapaA1.qpt'
elif self.cbMida.currentText() == "A0":
self.plantillaMapa = pathPlantilles + 'plantillaMapaA0.qpt'
else:
if self.cbMida.currentText() == "A4":
self.plantillaMapa = pathPlantilles + 'plantillaMapaH.qpt'
elif self.cbMida.currentText() == "A3":
self.plantillaMapa = pathPlantilles + 'plantillaMapaA3H.qpt'
elif self.cbMida.currentText() == "A2":
self.plantillaMapa = pathPlantilles + 'plantillaMapaA2H.qpt'
elif self.cbMida.currentText() == "A1":
self.plantillaMapa = pathPlantilles + 'plantillaMapaA1H.qpt'
elif self.cbMida.currentText() == "A0":
self.plantillaMapa = pathPlantilles + 'plantillaMapaA0H.qpt'
t = time.localtime()
timestamp = time.strftime('%d-%b-%Y_%H%M%S', t)
sortida = tempdir + 'sortida_' + timestamp
self.imprimirPlanol(self.posXY[0], self.posXY[1],
int(self.combo.currentText()), rotacio,
self.cbMida.currentText(), self.plantillaMapa,
sortida, 'PDF')
QvApp().logRegistre('Impressió: ' + self.combo.currentText())
def imprimirPlanol(self, x, y, escala, rotacion, midaPagina, templateFile,
fitxerSortida, tipusSortida):
tInicial = time.time()
template = QFile(templateFile)
doc = QDomDocument()
doc.setContent(template, False)
layout = QgsLayout(self.project)
# page=QgsLayoutItemPage(layout)
# page.setPageSize(midaPagina)
# layout.pageCollection().addPage(page)
# layout.initializeDefaults()
# p=layout.pageCollection().pages()[0]
# p.setPageSize(midaPagina)
context = QgsReadWriteContext()
[items, ok] = layout.loadFromTemplate(doc, context)
# p=layout.pageCollection().pages()[0]
# p.setPageSize(midaPagina)
if ok:
refMap = layout.referenceMap()
titol = layout.itemById('idNomMapa')
dataMapa = layout.itemById('idData')
if self.leTitol.text() != '':
titol.setText(self.leTitol.text()) #comentat pk peta
else:
titol.setText('')
try:
t = time.localtime()
dataMapa.setText(strftime('%b-%d-%Y %H:%M', t))
except:
pass
rect = refMap.extent()
vector = QgsVector(x - rect.center().x(), y - rect.center().y())
rect += vector
refMap.setExtent(rect)
refMap.setScale(escala)
refMap.setMapRotation(rotacion)
#Depenent del tipus de sortida...
exporter = QgsLayoutExporter(layout)
# image_settings = exporter.ImageExportSettings()
# image_settings.dpi = 30
# result = exporter.exportToImage('d:/dropbox/qpic/preview.png', image_settings)
# imatge = QPixmap('d:/dropbox/qpic/preview.png')
# self.ui.lblImatgeResultat.setPixmap(imatge)
if tipusSortida == 'PDF':
settings = QgsLayoutExporter.PdfExportSettings()
settings.dpi = 300
settings.exportMetadata = False
# fitxerSortida='d:/sortida_'+timestamp+'.PDF'
fitxerSortida += '.PDF'
result = exporter.exportToPdf(
fitxerSortida, settings) #Cal desar el resultat (???)
print(fitxerSortida)
if tipusSortida == 'PNG':
settings = QgsLayoutExporter.ImageExportSettings()
settings.dpi = 300
# fitxerSortida='d:/sortida_'+timestamp+'.PNG'
fitxerSortida += '.PNG'
result = exporter.exportToImage(
fitxerSortida, settings) #Cal desar el resultat (???)
#Obra el document si està marcat checkObrirResultat
QDesktopServices().openUrl(QUrl(fitxerSortida))
segonsEmprats = round(time.time() - tInicial, 1) #???
layersTemporals = self.project.mapLayersByName(
"Capa temporal d'impressió")
estatDirtybit = self.parent.canvisPendents
for layer in layersTemporals:
self.project.removeMapLayer(layer.id())
self.parent.setDirtyBit(estatDirtybit)
def oculta(self):
#Eliminem la capa temporal
estatDirtybit = self.parent.canvisPendents
layersTemporals = self.project.mapLayersByName(
"Capa temporal d'impressió")
for layer in layersTemporals:
self.project.removeMapLayer(layer.id())
self.parent.setDirtyBit(estatDirtybit)
class MoveNodeMapTool(ParentMapTool):
''' Button 16. Move node
Execute SQL function: 'gw_fct_node2arc' '''
def __init__(self, iface, settings, action, index_action, controller, srid):
''' Class constructor '''
# Call ParentMapTool constructor
super(MoveNodeMapTool, self).__init__(iface, settings, action, index_action)
self.srid = srid
# Vertex marker
self.vertexMarker = QgsVertexMarker(self.canvas)
self.vertexMarker.setColor(QColor(0, 255, 0))
self.vertexMarker.setIconSize(9)
self.vertexMarker.setIconType(QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.vertexMarker.setPenWidth(5)
# Rubber band
self.rubberBand = QgsRubberBand(self.canvas, QGis.Line)
mFillColor = QColor(255, 0, 0);
self.rubberBand.setColor(mFillColor)
self.rubberBand.setWidth(3)
self.reset()
def reset(self):
# Clear selected features
layer = self.canvas.currentLayer()
if layer is not None:
layer.removeSelection()
# Graphic elements
self.rubberBand.reset()
def move_node(self, node_id, point):
''' Move selected node to the current point '''
if self.srid is None:
self.srid = self.settings.value('db/srid')
if self.schema_name is None:
self.schema_name = self.settings.value('db/schema_name')
# Update node geometry
the_geom = "ST_GeomFromText('POINT("+str(point.x())+" "+str(point.y())+")', "+str(self.srid)+")";
sql = "UPDATE "+self.schema_name+".node SET the_geom = "+the_geom
sql+= " WHERE node_id = '"+node_id+"'"
status = self.controller.execute_sql(sql)
if status:
# Execute SQL function and show result to the user
function_name = "gw_fct_node2arc"
sql = "SELECT "+self.schema_name+"."+function_name+"('"+str(node_id)+"');"
self.controller.execute_sql(sql)
else:
message = "Move node: Error updating geometry"
self.controller.show_warning(message, context_name='ui_message')
# Refresh map canvas
self.canvas.currentLayer().triggerRepaint()
''' QgsMapTool inherited event functions '''
def activate(self):
''' Called when set as currently active map tool '''
# Check button
self.action().setChecked(True)
# Store user snapping configuration
self.snapperManager.storeSnappingOptions()
# Clear snapping
self.snapperManager.clearSnapping()
# Set snapping to node
self.snapperManager.snapToNode()
self.snapperManager.snapToArc()
# Change pointer
cursor = QCursor()
cursor.setShape(Qt.CrossCursor)
# Get default cursor
self.stdCursor = self.parent().cursor()
# And finally we set the mapTool's parent cursor
self.parent().setCursor(cursor)
# Reset
self.reset()
# Show help message when action is activated
if self.show_help:
message = "Select the disconnected node by clicking on it, move the pointer to desired location inside a pipe and click again"
self.controller.show_info(message, context_name='ui_message' )
# Control current layer (due to QGIS bug in snapping system)
try:
if self.canvas.currentLayer().type() == QgsMapLayer.VectorLayer:
self.canvas.setCurrentLayer(self.layer_node)
except:
self.canvas.setCurrentLayer(self.layer_node)
def deactivate(self):
''' Called when map tool is being deactivated '''
# Check button
self.action().setChecked(False)
# Restore previous snapping
self.snapperManager.recoverSnappingOptions()
# Recover cursor
self.canvas.setCursor(self.stdCursor)
try:
self.rubberBand.reset(QGis.Line)
except AttributeError:
pass
def canvasMoveEvent(self, event):
''' Mouse movement event '''
# Hide highlight
self.vertexMarker.hide()
# Get the click
x = event.pos().x()
y = event.pos().y()
eventPoint = QPoint(x,y)
# Node layer
layer = self.canvas.currentLayer()
if layer is None:
return
# Select node or arc
if layer.selectedFeatureCount() == 0:
# Snap to node
(retval,result) = self.snapper.snapToBackgroundLayers(eventPoint) #@UnusedVariable
# That's the snapped point
if result <> [] and (result[0].layer.name() == self.layer_node.name()):
point = QgsPoint(result[0].snappedVertex)
# Add marker
self.vertexMarker.setColor(QColor(0, 255, 0))
self.vertexMarker.setCenter(point)
self.vertexMarker.show()
# Set a new point to go on with
#self.appendPoint(point)
self.rubberBand.movePoint(point)
else:
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y)
self.rubberBand.movePoint(point)
else:
# Snap to arc
result = []
(retval,result) = self.snapper.snapToBackgroundLayers(eventPoint) #@UnusedVariable
# That's the snapped point
if (result <> []) and (result[0].layer.name() == self.layer_arc.name()) and (result[0].snappedVertexNr == -1):
point = QgsPoint(result[0].snappedVertex)
# Add marker
self.vertexMarker.setColor(QColor(255, 0, 0))
self.vertexMarker.setCenter(point)
self.vertexMarker.show()
# Select the arc
self.layer_arc.removeSelection()
self.layer_arc.select([result[0].snappedAtGeometry])
# Bring the rubberband to the cursor i.e. the clicked point
self.rubberBand.movePoint(point)
else:
# Bring the rubberband to the cursor i.e. the clicked point
point = QgsMapToPixel.toMapCoordinates(self.canvas.getCoordinateTransform(), x, y)
self.rubberBand.movePoint(point)
def canvasReleaseEvent(self, event):
''' Mouse release event '''
if event.button() == Qt.LeftButton:
# Get the click
x = event.pos().x()
y = event.pos().y()
eventPoint = QPoint(x,y)
# Node layer
layer = self.canvas.currentLayer()
# Select node or arc
if layer.selectedFeatureCount() == 0:
# Snap to node
(retval,result) = self.snapper.snapToBackgroundLayers(eventPoint) #@UnusedVariable
# That's the snapped point
if result <> [] and (result[0].layer.name() == self.layer_node.name()):
point = QgsPoint(result[0].snappedVertex)
layer.select([result[0].snappedAtGeometry])
# Hide highlight
self.vertexMarker.hide()
# Set a new point to go on with
self.rubberBand.addPoint(point)
else:
# Snap to arc
(retval,result) = self.snapper.snapToBackgroundLayers(eventPoint) #@UnusedVariable
# That's the snapped point
if (result <> []) and (result[0].layer.name() == self.layer_arc.name()):
point = QgsPoint(result[0].snappedVertex)
# Get selected feature (at this moment it will have one and only one)
feature = layer.selectedFeatures()[0]
node_id = feature.attribute('node_id')
# Move selected node to the released point
self.move_node(node_id, point)
# Rubberband reset
self.reset()
# Refresh map canvas
self.iface.mapCanvas().refresh()
elif event.button() == Qt.RightButton:
self.reset()
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 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 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 QGISRedEditLinksGeometryTool(QgsMapTool):
ownMainLayers = ["Pipes", "Valves", "Pumps", "ServiceConnections"]
def __init__(self, button, iface, projectDirectory, netwName):
QgsMapTool.__init__(self, iface.mapCanvas())
self.iface = iface
self.ProjectDirectory = projectDirectory
self.NetworkName = netwName
self.toolbarButton = button
self.snapper = None
self.vertexMarker = QgsVertexMarker(self.iface.mapCanvas())
self.vertexMarker.setColor(QColor(255, 87, 51))
self.vertexMarker.setIconSize(15)
self.vertexMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.vertexMarker.setPenWidth(3)
self.vertexMarker.hide()
self.pipeSnapper = None
self.pipeMarker = QgsVertexMarker(self.iface.mapCanvas())
self.pipeMarker.setColor(QColor(143, 0, 255))
self.pipeMarker.setIconSize(10)
try:
self.pipeMarker.setIconType(
QgsVertexMarker.ICON_DOUBLE_TRIANGLE) # or ICON_CROSS, ICON_X
except:
self.pipeMarker.setIconType(
QgsVertexMarker.ICON_X) # or ICON_CROSS, ICON_X
self.pipeMarker.setPenWidth(3)
self.pipeMarker.hide()
self.mouseClicked = False
self.clickedPoint = None
self.objectSnapped = None
self.pipeSnapped = None
self.selectedFeature = None
self.selectedLayer = None
self.newPositionVector = QgsVector(0, 0)
self.rubberBand = None
self.newVertexMarker = QgsVertexMarker(self.iface.mapCanvas())
self.newVertexMarker.setColor(QColor(55, 198, 5))
self.newVertexMarker.setIconSize(15)
self.newVertexMarker.setIconType(
QgsVertexMarker.ICON_BOX) # or ICON_CROSS, ICON_X
self.newVertexMarker.setPenWidth(3)
self.newVertexMarker.hide()
def activate(self):
cursor = QCursor()
cursor.setShape(Qt.ArrowCursor)
self.iface.mapCanvas().setCursor(cursor)
myLayers = []
# Editing
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layerPath:
myLayers.append(layer)
if not layer.isEditable():
layer.startEditing()
# Snapping
self.snapper = QgsMapCanvasSnappingUtils(self.iface.mapCanvas())
self.snapper.setMapSettings(self.iface.mapCanvas().mapSettings())
config = QgsSnappingConfig(QgsProject.instance())
config.setType(2) # Vertex
config.setMode(2) # All layers
config.setTolerance(10)
config.setUnits(1) # Pixels
config.setEnabled(True)
self.snapper.setConfig(config)
self.pipeSnapper = QgsMapCanvasSnappingUtils(self.iface.mapCanvas())
self.pipeSnapper.setMapSettings(self.iface.mapCanvas().mapSettings())
config = QgsSnappingConfig(QgsProject.instance())
config.setType(2) # Vertex
config.setMode(2) # All layers
config.setTolerance(10)
config.setUnits(1) # Pixels
config.setEnabled(True)
self.pipeSnapper.setConfig(config)
def deactivate(self):
self.toolbarButton.setChecked(False)
# End Editing
layers = self.getLayers()
for layer in layers:
openedLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if openedLayerPath == layerPath:
if layer.isModified():
layer.commitChanges()
else:
layer.rollBack()
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return True
"""Methods"""
def getUniformedPath(self, path):
return QGISRedUtils().getUniformedPath(path)
def getLayerPath(self, layer):
return QGISRedUtils().getLayerPath(layer)
def generatePath(self, folder, fileName):
return QGISRedUtils().generatePath(folder, fileName)
def getLayers(self):
return QGISRedUtils().getLayers()
def areOverlapedPoints(self, point1, point2):
tolerance = 0.1
if point1.distance(point2) < tolerance:
return True
else:
return False
def isInPath(self, point1, point2, myPoint):
width = point2.x() - point1.x()
height = point2.y() - point1.y()
widthM = myPoint.x() - point1.x()
heightM = myPoint.y() - point1.y()
if abs(width) >= abs(height):
yEst = widthM * height / width + point1.y()
if abs(yEst - myPoint.y()) < 1E-9:
return True
else:
xEst = heightM * width / height + point1.x()
if abs(xEst - myPoint.x()) < 1E-9:
return True
return False
def createRubberBand(self, points):
myPoints = points
if isinstance(points[0], QgsPointXY):
myPoints = []
for p in points:
myPoints.append(QgsPoint(p.x(), p.y()))
self.rubberBand = QgsRubberBand(self.iface.mapCanvas(), False)
self.rubberBand.setToGeometry(QgsGeometry.fromPolyline(myPoints), None)
self.rubberBand.setColor(QColor(55, 198, 5))
self.rubberBand.setWidth(1)
self.rubberBand.setLineStyle(Qt.DashLine)
self.newVertexMarker.setCenter(QgsPointXY(points[0].x(),
points[0].y()))
self.newVertexMarker.show()
def updateRubberBand(self):
newX = self.clickedPoint.x() + self.newPositionVector.x()
newY = self.clickedPoint.y() + self.newPositionVector.y()
self.rubberBand.movePoint(1, QgsPointXY(newX, newY))
self.newVertexMarker.setCenter(QgsPointXY(newX, newY))
def moveVertexLink(self, layer, feature, newPosition, vertexIndex):
if layer.isEditable():
layer.beginEditCommand("Update link geometry")
try:
edit_utils = QgsVectorLayerEditUtils(layer)
edit_utils.moveVertex(newPosition.x(), newPosition.y(),
feature.id(), vertexIndex)
except Exception as e:
layer.destroyEditCommand()
raise e
layer.endEditCommand()
def deleteVertexLink(self, layer, feature, vertexIndex):
if layer.isEditable():
layer.beginEditCommand("Update link geometry")
try:
edit_utils = QgsVectorLayerEditUtils(layer)
edit_utils.deleteVertex(feature.id(), vertexIndex)
except Exception as e:
layer.destroyEditCommand()
raise e
layer.endEditCommand()
def insertVertexLink(self, layer, feature, newPoint):
if layer.isEditable():
layer.beginEditCommand("Update link geometry")
vertex = -1
if layer.geometryType() == 1: # Line
featureGeometry = self.selectedFeature.geometry()
if featureGeometry.isMultipart():
parts = featureGeometry.get()
for part in parts: # only one part
for i in range(len(part) - 1):
if self.isInPath(
QgsPointXY(part[i].x(), part[i].y()),
QgsPointXY(part[i + 1].x(),
part[i + 1].y()), newPoint):
vertex = i + 1
try:
edit_utils = QgsVectorLayerEditUtils(layer)
edit_utils.insertVertex(newPoint.x(), newPoint.y(),
feature.id(), vertex)
except Exception as e:
layer.destroyEditCommand()
raise e
layer.endEditCommand()
"""Events"""
def canvasPressEvent(self, event):
if self.objectSnapped is None:
self.clickedPoint = None
return
if event.button() == Qt.RightButton:
self.mouseClicked = False
self.clickedPoint = None
if event.button() == Qt.LeftButton:
self.clickedPoint = self.objectSnapped.point()
if self.vertexIndex == -1:
return
self.mouseClicked = True
self.createRubberBand(
[self.objectSnapped.point(),
self.objectSnapped.point()])
def canvasMoveEvent(self, event):
mousePoint = self.toMapCoordinates(event.pos())
# Mouse not clicked
if not self.mouseClicked:
self.pipeSnappedOn = False
matchSnapper = self.snapper.snapToMap(mousePoint)
if matchSnapper.isValid():
valid = False
layer = matchSnapper.layer()
snapLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_" + name + ".shp")
if snapLayerPath == layerPath:
valid = True
if valid:
self.objectSnapped = matchSnapper
self.selectedLayer = layer
vertex = matchSnapper.point()
featureId = matchSnapper.featureId()
request = QgsFeatureRequest().setFilterFid(featureId)
nodes = list(layer.getFeatures(request))
self.selectedFeature = QgsFeature(nodes[0])
# #Ver aquí si es el nudo inicial y final
middleNode = False
self.vertexIndex = -1
if layer.geometryType() == 1: # Line
featureGeometry = self.selectedFeature.geometry()
if featureGeometry.isMultipart():
parts = featureGeometry.get()
for part in parts: # only one part
if middleNode:
break
i = -1
for v in part:
i = i + 1
if (
i == 0 or i == len(part) - 1
) and "ServiceConnections" not in snapLayerPath:
continue
matchedPoint = QgsPointXY(
vertex.x(), vertex.y())
if self.areOverlapedPoints(
QgsGeometry.fromPointXY(
matchedPoint),
QgsGeometry.fromPointXY(
QgsPointXY(v.x(), v.y()))):
middleNode = True
self.vertexIndex = i
if (
i == 0 or i == len(part) - 1
) and "ServiceConnections" in snapLayerPath:
self.pipeSnappedOn = True
break
if middleNode:
self.vertexMarker.setCenter(
QgsPointXY(vertex.x(), vertex.y()))
self.vertexMarker.show()
else:
self.vertexMarker.hide()
else:
self.objectSnapped = None
self.selectedFeature = None
self.selectedLayer = None
self.vertexMarker.hide()
else:
self.objectSnapped = None
self.selectedFeature = None
self.selectedLayer = None
self.vertexMarker.hide()
# Mouse clicked
else:
# Snap pipe layer
if self.pipeSnappedOn:
matchSnapper = self.pipeSnapper.snapToMap(mousePoint)
if matchSnapper.isValid():
valid = False
layer = matchSnapper.layer()
snapLayerPath = self.getLayerPath(layer)
for name in self.ownMainLayers:
layerPath = self.generatePath(
self.ProjectDirectory,
self.NetworkName + "_Pipes.shp")
if snapLayerPath == layerPath:
valid = True
if valid:
self.pipeSnapped = matchSnapper
self.pipeMarker.setCenter(matchSnapper.point())
self.pipeMarker.show()
else:
self.pipeMarker.hide()
else:
self.pipeMarker.hide()
self.pipeSnapped = None
# # Update rubber band
if self.objectSnapped is not None and self.rubberBand is not None:
snappedPoint = self.objectSnapped.point()
self.newPositionVector = QgsVector(
mousePoint.x() - snappedPoint.x(),
mousePoint.y() - snappedPoint.y())
self.updateRubberBand()
def canvasReleaseEvent(self, event):
if self.mouseClicked:
if event.button() == 1:
mousePoint = self.toMapCoordinates(event.pos())
if (self.pipeSnapped is not None):
mousePoint = self.pipeSnapped.point()
self.mouseClicked = False
if self.objectSnapped is not None:
self.moveVertexLink(self.selectedLayer,
self.selectedFeature, mousePoint,
self.vertexIndex)
elif event.button() == 2:
if self.objectSnapped is not None:
self.deleteVertexLink(self.selectedLayer, self.selectedFeature,
self.vertexIndex)
elif event.button() == 1:
if self.objectSnapped is not None:
self.insertVertexLink(self.selectedLayer, self.selectedFeature,
self.objectSnapped.point())
self.objectSnapped = None
self.pipeSnapped = None
self.selectedFeature = None
self.selectedLayer = None
self.vertexIndex = -1
self.iface.mapCanvas().refresh()
# Remove vertex marker and rubber band
self.vertexMarker.hide()
self.iface.mapCanvas().scene().removeItem(self.rubberBand)
self.newVertexMarker.hide()
self.pipeMarker.hide()
class APISMapToolEmitPolygonAndPoint(QgsMapTool, APISMapToolMixin):
mappingFinished = pyqtSignal(QgsGeometry, QgsGeometry,
QgsCoordinateReferenceSystem)
def __init__(self, canvas):
QgsMapTool.__init__(self, canvas)
self.canvas = canvas
self.rubberBand = None
self.tempRubberBand = None
self.vertexMarker = None
self.capturedPoints = []
self.derivedPoint = None
self.capturing = False
self.setCursor(Qt.CrossCursor)
def canvasReleaseEvent(self, event):
if event.button() == Qt.LeftButton:
if not self.capturing:
self.startCapturing()
self.addVertex(event.pos())
elif event.button() == Qt.RightButton:
point = self.getDerivedPoint()
polygon = self.getCapturedPolygon()
self.stopCapturing()
if point is not None and polygon is not None:
pointGeom = self.getPointGeometry(point)
polygonGeom = self.getPolygonGeometry(polygon)
if pointGeom is not None and polygonGeom is not None:
self.mappingFinished.emit(
pointGeom, polygonGeom,
self.canvas.mapSettings().destinationCrs())
else:
self.clearScene()
else:
self.clearScene()
def canvasMoveEvent(self, event):
if self.tempRubberBand is not None and self.capturing:
mapPt = self.transformCoordinates(event.pos())
self.tempRubberBand.movePoint(mapPt)
def keyPressEvent(self, event):
if event.key() == Qt.Key_Backspace or event.key() == Qt.Key_Delete:
self.removeLastVertex()
event.ignore()
if event.key() == Qt.Key_Escape:
self.stopCapturing()
self.clearScene()
if event.key() == Qt.Key_Return or event.key() == Qt.Key_Enter:
point = self.getDerivedPoint()
polygon = self.getCapturedPolygon()
self.stopCapturing()
if point is not None and polygon is not None:
pointGeom = self.getPointGeometry(point)
polygonGeom = self.getPolygonGeometry(polygon)
if pointGeom is not None and polygonGeom is not None:
self.mappingFinished.emit(
pointGeom, polygonGeom,
self.canvas.mapSettings().destinationCrs())
else:
self.clearScene()
else:
self.clearScene()
def startCapturing(self):
self.clearScene()
self.rubberBand = QgsRubberBand(self.canvas,
QgsWkbTypes.PolygonGeometry)
self.rubberBand.setWidth(2)
self.rubberBand.setFillColor(QColor(220, 0, 0, 120))
self.rubberBand.setStrokeColor(QColor(220, 0, 0))
self.rubberBand.setLineStyle(Qt.DotLine)
self.rubberBand.show()
self.tempRubberBand = QgsRubberBand(self.canvas,
QgsWkbTypes.PolygonGeometry)
self.tempRubberBand.setWidth(2)
self.tempRubberBand.setFillColor(QColor(0, 0, 0, 0))
self.tempRubberBand.setStrokeColor(QColor(220, 0, 0))
self.tempRubberBand.setLineStyle(Qt.DotLine)
self.tempRubberBand.show()
self.vertexMarker = QgsVertexMarker(self.canvas)
self.vertexMarker.setIconType(1)
self.vertexMarker.setColor(QColor(220, 0, 0))
self.vertexMarker.setIconSize(16)
self.vertexMarker.setPenWidth(3)
self.vertexMarker.show()
self.capturing = True
def clearScene(self):
if self.vertexMarker:
self.canvas.scene().removeItem(self.vertexMarker)
self.vertexMarker = None
if self.rubberBand:
self.canvas.scene().removeItem(self.rubberBand)
self.rubberBand = None
if self.tempRubberBand:
self.canvas.scene().removeItem(self.tempRubberBand)
self.tempRubberBand = None
def stopCapturing(self):
if self.vertexMarker and self.rubberBand and self.rubberBand.numberOfVertices(
) < 3:
self.canvas.scene().removeItem(self.vertexMarker)
self.vertexMarker = None
if self.rubberBand and self.rubberBand.numberOfVertices() < 3:
self.canvas.scene().removeItem(self.rubberBand)
self.rubberBand = None
if self.tempRubberBand:
self.canvas.scene().removeItem(self.tempRubberBand)
self.tempRubberBand = None
self.capturing = False
self.capturedPoints = []
self.derivedPoint = None
self.canvas.refresh()
def addVertex(self, canvasPoint):
mapPt = self.transformCoordinates(canvasPoint)
self.rubberBand.addPoint(mapPt)
self.capturedPoints.append(mapPt)
bandSize = self.rubberBand.numberOfVertices()
if bandSize > 2:
rubGeom = self.rubberBand.asGeometry()
cpGeom = rubGeom.centroid()
if not rubGeom.contains(cpGeom):
cpGeom = rubGeom.pointOnSurface()
#nearestCp = rubGeom.nearestPoint(cpGeom)
self.vertexMarker.setCenter(cpGeom.asPoint())
self.derivedPoint = cpGeom.asPoint()
self.vertexMarker.show()
self.tempRubberBand.reset(QgsWkbTypes.PolygonGeometry)
firstPoint = self.rubberBand.getPoint(0, 0)
self.tempRubberBand.addPoint(firstPoint)
self.tempRubberBand.movePoint(mapPt)
self.tempRubberBand.addPoint(mapPt)
def removeLastVertex(self):
if not self.capturing:
return
bandSize = self.rubberBand.numberOfVertices()
tempBandSize = self.tempRubberBand.numberOfVertices()
numPoints = len(self.capturedPoints)
if bandSize < 1 or numPoints < 1:
return
self.rubberBand.removePoint(-1)
if bandSize > 1:
if tempBandSize > 1:
point = self.rubberBand.getPoint(0, bandSize - 2)
self.tempRubberBand.movePoint(tempBandSize - 2, point)
else:
self.tempRubberBand.reset(QgsWkbTypes.PolygonGeometry)
bandSize = self.rubberBand.numberOfVertices()
if bandSize < 3:
self.vertexMarker.hide()
else:
rubGeom = self.rubberBand.asGeometry()
cpGeom = rubGeom.centroid()
if not rubGeom.contains(cpGeom):
cpGeom = rubGeom.pointOnSurface()
#nearestCp = rubGeom.nearestPoint(cpGeom)
self.vertexMarker.setCenter(cpGeom.asPoint())
self.derivedPoint = cpGeom.asPoint()
self.vertexMarker.show()
del self.capturedPoints[-1]
def getCapturedPolygon(self):
polygon = self.capturedPoints
if len(polygon) < 3:
return None
else:
return polygon
def getDerivedPoint(self):
point = self.derivedPoint
if point is None:
return None
else:
return point
def getPointGeometry(self, geom):
p = QgsGeometry.fromPointXY(geom)
if p.isGeosValid() and not p.isEmpty():
return p
else:
return None
def getPolygonGeometry(self, geom):
p = QgsGeometry.fromPolygonXY([geom])
if p.isGeosValid() and not p.isEmpty():
return p
else:
return None
class LineCreateTool(QgsMapTool):
'''
classdocs
'''
def __init__(self, canvas, disType = DistanceUnits.M):
'''
Constructor
'''
self.canvas = canvas
QgsMapTool.__init__(self, self.canvas)
self.mSnapper = QgsMapCanvasSnapper(self.canvas)
self.rubberBand = QgsRubberBand(self.canvas,QGis.Line)
self.rubberBand.setColor(Qt.red)
self.rubberBand.setWidth(1)
self.rubberBandPt = QgsRubberBand(canvas, QGis.Point)
self.rubberBandPt.setColor(Qt.red)
self.rubberBandPt.setWidth(10)
self.type = disType
self.reset()
def reset(self):
self.startPoint = None
self.endPoint = None
self.isDrawing = False
self.distance = 0.0
def canvasReleaseEvent(self, e):
if ( e.button() == Qt.RightButton ):
self.emit(SIGNAL("resultLineCreate"), self.rubberBand.asGeometry())
self.reset()
self.isDrawing = False
else:
self.rubberBandPt.reset(QGis.Point)
snapPoint = QgisHelper.snapPoint(e.pos(), self.mSnapper, define._canvas, True)
if self.startPoint == None:
self.rubberBand.reset(QGis.Line)
if snapPoint == None:
self.startPoint = self.toMapCoordinates(e.pos())
else:
self.startPoint = snapPoint
self.rubberBand.addPoint(self.startPoint)
self.isDrawing = True
else:
if snapPoint == None:
self.endPoint = self.toMapCoordinates(e.pos())
else:
self.endPoint = snapPoint
self.rubberBand.addPoint(self.endPoint)
self.startPoint = self.endPoint
def canvasMoveEvent(self, e):
self.rubberBandPt.reset(QGis.Point)
snapPoint = QgisHelper.snapPoint(e.pos(), self.mSnapper, define._canvas, True)
if snapPoint != None:
self.rubberBandPt.addPoint(snapPoint)
self.rubberBandPt.show()
if self.isDrawing:
if self.isDrawing:
if snapPoint == None:
self.endPoint = self.toMapCoordinates(e.pos())
else:
self.endPoint = snapPoint
self.rubberBand.movePoint(self.endPoint)
def deactivate(self):
self.rubberBandPt.reset(QGis.Point)
QgsMapTool.deactivate(self)
self.emit(SIGNAL("deactivated()"))
class GeomFilterEPSG():
def __init__(self, iface):
self.iface = iface
def initGui(self):
# cria uma ação que iniciará a configuração do plugin
#self.myMapTool = QgsMapToolEmitPoint( self.iface.mapCanvas() )
self.initVariables()
self.initSignals()
def initVariables(self):
self.coordinates = []
# Criação da action e da toolbar
self.toolbar = self.iface.addToolBar("My_ToolBar")
pai = self.iface.mainWindow()
icon_path = ':/plugins/GeomFilterEPSG/icon.png'
self.action = QAction(QIcon(icon_path), u"Filtro EPSG.", pai)
self.action.setObjectName("Filtro EPSG.")
self.action.setStatusTip(None)
self.action.setWhatsThis(None)
self.action.setCheckable(True)
self.toolbar.addAction(self.action)
self.previousMapTool = self.iface.mapCanvas().mapTool()
self.myMapTool = QgsMapToolEmitPoint(self.iface.mapCanvas())
self.isEditing = 0
def initSignals(self):
self.action.toggled.connect(self.RubberBand)
self.myMapTool.canvasClicked.connect(self.mouseClick)
def RubberBand(self, bolean):
if bolean:
self.myRubberBand = QgsRubberBand(self.iface.mapCanvas(),
QGis.Polygon)
color = QColor(78, 97, 114)
color.setAlpha(190)
self.myRubberBand.setColor(color)
self.myRubberBand.setFillColor(QColor(255, 0, 0, 40))
self.myRubberBand.setBorderColor(QColor(255, 0, 0, 200))
# Set MapTool
self.iface.mapCanvas().setMapTool(self.myMapTool)
self.iface.mapCanvas().xyCoordinates.connect(self.mouseMove)
else:
self.disconnect()
def disconnect(self):
self.iface.mapCanvas().unsetMapTool(self.myMapTool)
try:
self.iface.mapCanvas().xyCoordinates.disconnect(self.mouseMove)
except:
pass
try:
self.myRubberBand.reset()
except:
pass
def unChecked(self):
self.action.setCheckable(False)
self.action.setCheckable(True)
def unload(self):
self.disconnect()
def mouseClick(self, currentPos, clickedButton):
if clickedButton == Qt.LeftButton: # and myRubberBand.numberOfVertices() == 0:
self.myRubberBand.addPoint(QgsPoint(currentPos))
self.coordinates.append(QgsPoint(currentPos))
self.isEditing = 1
elif clickedButton == Qt.RightButton and self.myRubberBand.numberOfVertices(
) > 2:
self.isEditing = 0
# create feature and set geometry.
poly = QgsFeature()
geomP = self.myRubberBand.asGeometry()
poly.setGeometry(geomP)
g = geomP.exportToWkt() # Get WKT coordenates.
#print g
canvas = self.iface.mapCanvas()
c = canvas.mapRenderer().destinationCrs().authid() # Get EPSG.
rep = c.replace("EPSG:", "")
string = U"st_intersects(geom,st_geomfromewkt('SRID=" + rep + ";" + g + "'))"
self.layers = self.iface.mapCanvas().layers()
for layer in self.layers:
layer.setSubsetString(string)
self.myRubberBand.reset(QGis.Polygon)
self.disconnect()
self.unChecked()
def mouseMove(self, currentPos):
if self.isEditing == 1:
self.myRubberBand.movePoint(QgsPoint(currentPos))
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 = 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 = 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 EditTool(QgsMapTool):
wp_clicked = pyqtSignal(int)
def __init__(self, mission_track, canvas, msglog):
QgsMapTool.__init__(self, canvas)
self.setCursor(Qt.CrossCursor)
self.mission_track = mission_track
self.msglog = msglog
self.dragging = False
self.feature = None
self.vertex = None
self.startcoord = None
self.layer = self.mission_track.get_mission_layer()
logger.info(self.mission_track.get_mission_name())
self.rubber_band = QgsRubberBand(self.canvas(), QgsWkbTypes.LineGeometry)
self.rubber_band.setWidth(2)
self.rubber_band.setColor(QColor("green"))
self.point_cursor_band = QgsRubberBand(self.canvas(), QgsWkbTypes.LineGeometry)
self.point_cursor_band.setWidth(1)
self.point_cursor_band.setLineStyle(Qt.DashLine)
self.point_cursor_band.setColor(QColor(255, 0, 0, 100))
self.mid_point_band = QgsRubberBand(self.canvas(), QgsWkbTypes.PointGeometry)
self.mid_point_band.setColor(QColor(255, 0, 0, 100))
self.mid_point_band.setIconSize(18)
self.rubber_band_points = QgsRubberBand(self.canvas(), QgsWkbTypes.PointGeometry)
self.rubber_band_points.setColor(QColor("green"))
self.rubber_band_points.setIcon(QgsRubberBand.ICON_CIRCLE)
self.rubber_band_points.setIconSize(10)
self.mission_track.mission_changed.connect(self.update_rubber_bands)
self.vertex_marker = QgsVertexMarker(self.canvas())
self.start_end_marker = StartEndMarker(canvas, self.mission_track.find_waypoints_in_mission(), QColor("green"))
self.layer.startEditing()
self.wp = []
self.mCtrl = False
# handler for mission feature
self.update_rubber_bands(0)
crs = canvas.mapSettings().destinationCrs()
self.distance_calc = QgsDistanceArea()
self.distance_calc.setSourceCrs(crs, QgsProject.instance().transformContext())
self.distance_calc.setEllipsoid(crs.ellipsoidAcronym())
def update_rubber_bands(self, current_wp):
self.rubber_band.reset(QgsWkbTypes.LineGeometry)
self.rubber_band_points.reset(QgsWkbTypes.PointGeometry)
self.wp = self.mission_track.find_waypoints_in_mission()
self.start_end_marker.update_markers(self.wp)
if len(self.wp) > 0:
for v in self.wp:
pc = self.toLayerCoordinates(self.layer, QgsPointXY(v))
self.rubber_band.addPoint(pc)
self.rubber_band_points.addPoint(pc)
logger.debug("MISSION UPDATE: now we have {} waypoints".format(len(self.wp)))
self.vertex_marker.setCenter(QgsPointXY(self.wp[current_wp].x(), self.wp[current_wp].y()))
self.vertex_marker.setColor(QColor(25, 255, 0))
self.vertex_marker.setIconSize(7)
self.vertex_marker.setIconType(QgsVertexMarker.ICON_X) # ICON_BOX, ICON_CROSS, ICON_X
self.vertex_marker.setPenWidth(2)
self.vertex_marker.show()
self.set_geometry()
else:
self.vertex_marker.hide()
def set_control_state(self, state):
self.mCtrl = state
def keyPressEvent(self, event):
if event.key() == Qt.Key_Control and not self.dragging:
self.mCtrl = True
pos = self.canvas().mouseLastXY()
if not self.find_on_feature(pos, self.calc_tolerance()):
self.show_dist_and_bearing_to_point()
def keyReleaseEvent(self, event):
if event.key() == Qt.Key_Control:
self.mCtrl = False
pos = self.canvas().mouseLastXY()
if not self.find_on_feature(pos, self.calc_tolerance()) and not self.dragging:
self.show_dist_and_bearing_to_point()
return
def canvasDoubleClickEvent(self, event):
self.canvasPressEvent(event)
def canvasPressEvent(self, event):
if self.dragging:
self.canvasReleaseEvent(event)
map_pt, layer_pt = self.transform_coordinates(event.pos())
tolerance = self.calc_tolerance()
if not self.find_on_feature(event.pos(), tolerance):
if event.button() == Qt.LeftButton:
# we have clicked outside the track
logger.debug("We have clicked outside the track")
self.point_cursor_band.reset(QgsWkbTypes.LineGeometry)
if not self.mCtrl:
# add step to mission at the end
self.mission_track.add_step(len(self.wp), layer_pt)
self.show_waypoint_distances(len(self.wp)-1)
else:
self.mission_track.add_step(0, layer_pt)
self.show_waypoint_distances(0)
else:
logger.debug("We have clicked on the track")
vertex = self.find_vertex_at(event.pos(), tolerance)
if event.button() == Qt.LeftButton:
if vertex is None:
logger.debug("We have clicked between vertexs")
# we have clicked in between vertex, add intermediate point
initial_vertex = self.find_segment_at(event.pos())
# self.mission_track.add_step(initial_vertex + 1, layerPt)
intersection = intersect_point_to_line(self.toLayerCoordinates(self.layer, event.pos()),
QgsPointXY(self.wp[initial_vertex]),
QgsPointXY(self.wp[initial_vertex + 1]))
logger.debug("intersection point: {} {}".format(str(intersection.x()), str(intersection.y())))
logger.debug("{} {} {} {}".format(self.wp[initial_vertex].x(), self.wp[initial_vertex].y(),
self.wp[initial_vertex + 1].x(), self.wp[initial_vertex + 1].y()))
# layerPtIntersection = self.toLayerCoordinates(self.layer,intersection)
self.mission_track.add_step(initial_vertex + 1, intersection)
self.mid_point_band.reset(QgsWkbTypes.PointGeometry)
self.show_waypoint_distances(initial_vertex+1)
else:
logger.debug("We have clicked on vertex {}".format(vertex))
# we have clicked on a vertex
# Left click -> move vertex.
self.dragging = True
self.vertex = vertex
self.startcoord = event.pos()
# self.moveVertexTo(layerPt)
elif event.button() == Qt.RightButton:
if vertex is not None and not self.dragging:
# Right click -> delete vertex.
self.delete_vertex(vertex)
if self.find_on_feature(event.pos(), tolerance): # If cursor still over track
vertex = self.find_vertex_at(event.pos(), tolerance)
if vertex is None: # Cursor is between vertexes
self.show_mid_point(event.pos())
else: # Cursor is over a vertex
self.show_waypoint_distances(vertex)
else:
self.show_dist_and_bearing_to_point()
def transform_coordinates(self, canvas_pt):
return (self.toMapCoordinates(canvas_pt),
self.toLayerCoordinates(self.layer, canvas_pt))
def canvasMoveEvent(self, event):
if self.dragging:
self.move_vertex_to(self.toLayerCoordinates(self.layer, event.pos()))
self.mission_track.hide_start_end_markers()
self.vertex_marker.hide()
self.start_end_marker.hide_markers()
self.show_waypoint_distances(self.vertex)
else:
tolerance = self.calc_tolerance()
if self.find_on_feature(event.pos(), tolerance): # if mouse is over the track
self.point_cursor_band.reset(QgsWkbTypes.LineGeometry)
self.mid_point_band.reset(QgsWkbTypes.PointGeometry)
vertex = self.find_vertex_at(event.pos(), tolerance)
if vertex is None: # Cursor is between vertexes
self.show_mid_point(event.pos())
else: # Cursor is over a vertex
self.show_waypoint_distances(vertex)
else:
self.mid_point_band.reset(QgsWkbTypes.PointGeometry)
self.show_dist_and_bearing_to_point()
def show_dist_and_bearing_to_point(self):
"""
Finds distance and bearing from the last point (first if pressing ctrl) to the specified point and shows them
in the message log. Also draws a line between the points.
"""
bearing = 0.0
self.point_cursor_band.reset(QgsWkbTypes.LineGeometry)
point = self.canvas().mouseLastXY()
if len(self.wp) > 0:
cursor_point = self.toMapCoordinates(point)
if self.mCtrl:
anchor_point = QgsPointXY(self.wp[0])
else:
anchor_point = QgsPointXY(self.wp[len(self.wp) - 1])
self.point_cursor_band.addPoint(cursor_point)
self.point_cursor_band.addPoint(anchor_point)
distance = self.distance_calc.measureLine([anchor_point, cursor_point])
if distance != 0.0:
bearing = self.distance_calc.bearing(anchor_point, cursor_point)
self.msglog.logMessage("")
if self.mCtrl:
msg = "Distance to next point: "
else:
msg = "Distance to previous point: "
self.msglog.logMessage(msg + "{:.3F} m. Bearing: {:.3F} º.".format(distance, math.degrees(bearing)),
"Distance and bearing", 0)
else:
self.msglog.logMessage("")
def show_mid_point(self, cursor):
"""
Finds the projection of the cursor over the track and draws a circle in that point.
Finds the distances between this projection point and the previous and next points in the mission
and shows them in the message log.
:param cursor: position to be projected over the track
"""
prev_vertex = self.find_segment_at(cursor)
prev_point = QgsPointXY(self.wp[prev_vertex])
next_point = QgsPointXY(self.wp[prev_vertex + 1])
cursor_point = self.toMapCoordinates(cursor)
intersection = intersect_point_to_line(cursor_point, prev_point, next_point)
self.mid_point_band.addPoint(intersection)
distance1 = self.distance_calc.measureLine([prev_point, intersection])
distance2 = self.distance_calc.measureLine([intersection, next_point])
self.msglog.logMessage("")
self.msglog.logMessage("Distance to previous point: {:.3F} m. Distance to next point: {:.3F} m."
.format(distance1, distance2), "Distance between points", 0)
def show_waypoint_distances(self, vertex):
"""
Finds the distances to adjacent waypoints of vertex and shows them in the message log
:param vertex: index of the waypoint from the mission
"""
curr_point = self.rubber_band_points.getPoint(QgsWkbTypes.PointGeometry, vertex)
if vertex == 0:
if len(self.wp) > 1:
next_point = QgsPointXY(self.wp[vertex+1])
distance = self.distance_calc.measureLine([curr_point, next_point])
bearing = self.distance_calc.bearing(next_point, curr_point)
msg = "Distance to next point: {:.3F} m. Bearing: {:.3F} º.".format(distance, math.degrees(bearing))
else:
msg = ""
self.msglog.logMessage("")
self.msglog.logMessage(msg+" (Waypoint {}) ".format(vertex+1), "Vertex distances", 0)
elif vertex == len(self.wp) - 1:
prev_point = QgsPointXY(self.wp[vertex-1])
distance = self.distance_calc.measureLine([prev_point, curr_point])
bearing = self.distance_calc.bearing(prev_point, curr_point)
msg = "Distance to previous point: {:.3F} m. Bearing: {:.3F} º.".format(distance, math.degrees(bearing))
self.msglog.logMessage("")
self.msglog.logMessage(msg+" (Waypoint {})".format(vertex+1), "Vertex distances", 0)
else:
prev_point = QgsPointXY(self.wp[vertex-1])
next_point = QgsPointXY(self.wp[vertex+1])
distance1 = self.distance_calc.measureLine(prev_point, curr_point)
distance2 = self.distance_calc.measureLine(curr_point, next_point)
msg = "Distance to previous point: {:.3F} m. Distance to next point: {:.3F} m."\
.format(distance1, distance2)
self.msglog.logMessage("")
self.msglog.logMessage(msg+" (Waypoint {})".format(vertex+1), "Vertex distances", 0)
def hide_point_cursor_band(self):
"""
Hides the rubber band drawn from last (or first) point to cursor
"""
self.point_cursor_band.reset(QgsWkbTypes.LineGeometry)
def canvasReleaseEvent(self, event):
if self.dragging and event.button() == Qt.LeftButton:
self.dragging = False
self.vertex_marker.show()
mapPt, layerPt = self.transform_coordinates(event.pos())
# Check distance with initial point
dist = math.sqrt(
(self.startcoord.x() - event.pos().x()) ** 2 + (self.startcoord.y() - event.pos().y()) ** 2)
tolerance = self.calc_tolerance()
if dist > tolerance:
self.move_vertex_to(layerPt)
self.mission_track.change_position(self.vertex, layerPt)
self.wp_clicked.emit(self.vertex)
self.feature = None
self.vertex = None
self.layer.updateExtents()
else:
# If release point is the same, has been just a click
self.move_vertex_to(self.toLayerCoordinates(self.layer, QgsPointXY(self.wp[self.vertex])))
self.wp_clicked.emit(self.vertex)
self.feature = None
self.vertex = None
def calc_tolerance(self):
"""
Compute the tolerance on canvas
:return: tolerance
"""
# 2% of tolerance
width_tolerance = 0.02 * self.canvas().width()
height_tolerance = 0.02 * self.canvas().height()
if width_tolerance < height_tolerance:
tolerance = width_tolerance
else:
tolerance = height_tolerance
return tolerance
def move_vertex_to(self, layerPt):
"""
Move current vertex to layerPt position.
:param layerPt: layer point
:type: QgsPointXY
"""
if len(self.wp) > 1:
self.rubber_band.movePoint(self.vertex, layerPt)
self.rubber_band_points.movePoint(self.vertex, layerPt)
elif len(self.wp) == 1:
# A rubber band with PointGeometry and only 1 point acts as if it had 2 points, we need to reset it in
# order to move the point.
self.rubber_band_points.reset(QgsWkbTypes.PointGeometry)
self.rubber_band_points.addPoint(layerPt)
def delete_vertex(self, vertex):
"""
Delete step 'vertex'.
:param vertex: step
"""
self.mission_track.remove_step(vertex)
self.dragging = False
self.vertex = None
def find_on_feature(self, pos, tolerance):
"""
if clicked point has some segment at a smaller distance than tolerance means that we've clicked on the track
:param pos: The point that we've clicked
:param tolerance: The tolerance of pos
:return: bool
"""
if len(self.wp) > 1:
dist_to_segment = []
for v in range(0, len(self.wp) - 1):
# convert layer coordinates to canvas coordinates
a1 = self.toCanvasCoordinates(QgsPointXY(self.wp[v]))
b1 = self.toCanvasCoordinates(QgsPointXY(self.wp[v + 1]))
dist_to_segment.append(
self.dist_to_segment(a1.x(),
a1.y(),
b1.x(),
b1.y(),
pos.x(),
pos.y()))
logger.debug("dist to segment: {}".format(dist_to_segment))
if dist_to_segment[v] < tolerance:
return True
return False
else:
# last waypoint
vertex = self.find_vertex_at(pos, tolerance)
if vertex is None:
return False
else:
return True
def find_segment_at(self, pos):
"""
get the segment that is closer to the clicked point and return its initial vertex
:param pos: the point that we've clicked
:return: initial vertex of the segment
"""
dist_to_segment = []
for v in range(0, len(self.wp) - 1):
a1 = self.toCanvasCoordinates(QgsPointXY(self.wp[v]))
b1 = self.toCanvasCoordinates(QgsPointXY(self.wp[v + 1]))
dist_to_segment.append(self.dist_to_segment(a1.x(),
a1.y(),
b1.x(),
b1.y(),
pos.x(),
pos.y()))
vertex = dist_to_segment.index(min(dist_to_segment))
return vertex
def find_vertex_at(self, pos, tolerance):
"""
get the vertex that is closer to the clicked point
:param pos: The point that we've clicked
:param tolerance: The tolerance of pos
:return: vertex or None
"""
if len(self.wp) > 0:
dist_to_vertex = []
logger.debug("tolerance {}".format(tolerance))
for v in range(0, len(self.wp)):
a1 = self.toCanvasCoordinates(QgsPointXY(self.wp[v]))
dist_to_vertex.append(math.sqrt((pos.x() - a1.x()) ** 2 + (pos.y() - a1.y()) ** 2))
logger.debug("dist to vertex: {}".format(dist_to_vertex))
vertex = dist_to_vertex.index(min(dist_to_vertex))
if min(dist_to_vertex) > tolerance:
return None
else:
logger.debug("ON VERTEX")
return vertex
else:
return None
def dist_to_segment(self, ax, ay, bx, by, cx, cy):
"""
Computes the minimum distance between a point (cx, cy) and a line segment with endpoints (ax, ay) and (bx, by).
:param ax: endpoint 1, x-coordinate
:param ay: endpoint 1, y-coordinate
:param bx: endpoint 2, x-coordinate
:param by: endpoint 2, y-coordinate
:param cx: point, x-coordinate
:param cy: point, x-coordinate
:return: minimum distance between point and line segment
"""
# calculate tolerance
tolerance = self.calc_tolerance()
# get distance between points c-a and c-b
dist_to_a = math.sqrt((cx - ax) ** 2 + (cy - ay) ** 2)
dist_to_b = math.sqrt((cx - bx) ** 2 + (cy - by) ** 2)
# if distance to point a or distance to point b is smaller than tolerance, return -1
if (dist_to_a < tolerance) or (dist_to_b < tolerance):
return -1
# if one coordinate are between a coordinates or b coordinates
if is_between(ax, ay, bx, by, cx, cy):
y = (by - ay)
x = (bx - ax)
# line defined by two points formula
num = abs((y * cx) - (x * cy) + (bx * ay) - (by * ax))
den = math.sqrt(y ** 2 + x ** 2)
dl = num / den
return dl
else:
return tolerance + 1
def set_geometry(self):
"""
Save rubber band to geometry of the layer
"""
if self.layer.featureCount() == 0:
# no feature yet created
f = QgsFeature()
if len(self.wp) == 1:
f.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(self.wp[0].x(), self.wp[0].y())))
else:
f.setGeometry(QgsGeometry.fromPolyline(self.wp))
# self.layer.dataProvider().addFeatures([f])
self.layer.addFeatures([f])
else:
# mission feature present, edit geometry
feats = self.layer.getFeatures()
for f in feats:
if len(self.wp) == 1:
self.layer.changeGeometry(f.id(),
QgsGeometry.fromPointXY(QgsPointXY(self.wp[0].x(), self.wp[0].y())))
else:
self.layer.changeGeometry(f.id(), QgsGeometry.fromPolyline(self.wp))
self.layer.commitChanges()
self.layer.startEditing()
def close_band(self):
self.start_end_marker.close_markers()
self.vertex_marker.hide()
self.canvas().scene().removeItem(self.vertex_marker)
self.vertex_marker = None
self.mission_track.mission_changed.disconnect()
self.layer.commitChanges()
self.rubber_band.hide()
self.mid_point_band.hide()
self.rubber_band_points.hide()
self.point_cursor_band.hide()
self.canvas().scene().removeItem(self.rubber_band)
self.canvas().scene().removeItem(self.mid_point_band)
self.canvas().scene().removeItem(self.rubber_band_points)
self.canvas().scene().removeItem(self.point_cursor_band)
self.rubber_band = None
self.mid_point_band = None
self.rubber_band_points = None
self.point_cursor_band = None
self.msglog.logMessage("")
class ALKISPolygonInfo(QgsMapTool):
def __init__(self, plugin):
QgsMapTool.__init__(self, plugin.iface.mapCanvas())
self.plugin = plugin
self.iface = plugin.iface
self.cursor = QCursor(QPixmap([
"16 16 3 1",
" c None",
". c #FF0000",
"+ c #FFFFFF",
" ",
" +.+ ",
" ++.++ ",
" +.....+ ",
" +. .+ ",
" +. . .+ ",
" +. . .+ ",
" ++. . .++",
" ... ...+... ...",
" ++. . .++",
" +. . .+ ",
" +. . .+ ",
" ++. .+ ",
" ++.....+ ",
" ++.++ ",
" +.+ "
]))
self.rubberBand = QgsRubberBand(self.iface.mapCanvas(), self.plugin.PolygonGeometry)
self.areaMarkerLayer = None
def canvasPressEvent(self, e):
if self.areaMarkerLayer is None:
(layerId, ok) = QgsProject.instance().readEntry("alkis", "/areaMarkerLayer")
if ok:
self.areaMarkerLayer = self.plugin.mapLayer(layerId)
if self.areaMarkerLayer is None:
QMessageBox.warning(None, "ALKIS", u"Fehler: Flächenmarkierungslayer nicht gefunden!")
def canvasMoveEvent(self, e):
if self.rubberBand.numberOfVertices() > 0:
point = self.iface.mapCanvas().getCoordinateTransform().toMapCoordinates(e.x(), e.y())
self.rubberBand.movePoint(point)
def canvasReleaseEvent(self, e):
point = self.iface.mapCanvas().getCoordinateTransform().toMapCoordinates(e.x(), e.y())
if e.button() == Qt.LeftButton:
self.rubberBand.addPoint(point)
return
QApplication.setOverrideCursor(Qt.WaitCursor)
if self.rubberBand.numberOfVertices() >= 3:
g = self.plugin.transform(
self.rubberBand.asGeometry()
)
self.rubberBand.reset(self.plugin.PolygonGeometry)
fs = self.plugin.highlight(
where=u"st_intersects(wkb_geometry,st_geomfromtext('POLYGON((%s))'::text,%d))" % (
",".join(["%.3lf %.3lf" % (p[0], p[1]) for p in g.asPolygon()[0]]),
self.plugin.getepsg()
)
)
if len(fs) == 0:
QApplication.restoreOverrideCursor()
QMessageBox.information(None, u"Fehler", u"Keine Flurstücke gefunden.")
return
gmlids = []
for e in fs:
gmlids.append(e['gmlid'])
try:
s = QSettings("norBIT", "EDBSgen/PRO")
for i in range(0, len(fs)):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(("localhost", int(s.value("norGISPort", "6102"))))
sock.send("NORGIS_MAIN#EDBS#ALBKEY#{}#{}#".format(fs[i]['flsnr'], 0 if i + 1 == len(fs) else 1).encode("utf-8"))
sock.close()
if win32:
window = win32gui.FindWindow(None, s.value("albWin", "norGIS"))
win32gui.SetForegroundWindow(window)
except socket.error:
QMessageBox.information(None, u"Fehler", u"Verbindung zu norGIS schlug fehl.")
else:
self.rubberBand.reset(self.plugin.PolygonGeometry)
QApplication.restoreOverrideCursor()
class QgsMapToolCaptureSpatialOperand (QgsMapTool):
"""
QGIS map tool. Draw a point, line, polygon or bounding box
and convert it to WKT format.
"""
selectionFinished = QtCore.pyqtSignal(str)
def __init__(self, canvas, gmlOperand = "gml:Envelope", srsName="", parent = None):
QgsMapTool.__init__ (self, canvas)
self.canvas = canvas
self.parent = parent
if gmlOperand == "gml:Point":
self.minPoints = 1
self.maxPoints = 1
self.isPolygon = False
elif gmlOperand == "gml:Envelope":
self.minPoints = 2
self.maxPoints = 2
self.isPolygon = True
elif gmlOperand == "gml:Polygon":
self.minPoints = 3
self.maxPoints = 0
self.isPolygon = True
elif gmlOperand == "gml:LineString":
self.minPoints = 2
self.maxPoints = 0
self.isPolygon = False
else:
pass
self.srsName = srsName
self.rect = QtCore.QRect() if self.isPolygon and self.maxPoints == 2 else None
if self.isPolygon:
self.rubberBand = QgsRubberBand(self.canvas, QGis.Polygon)
else:
self.rubberBand = QgsRubberBand(self.canvas, QGis.Line)
self.rubberBand.setColor(QtGui.QColor (255, 0,0, 150))
self.rubberBand.setWidth(1)
self.cursor = QtGui.QCursor (QtCore.Qt.CrossCursor)
self.vertexMarkers = []
self.captureList = []
self.crs = QgsCoordinateReferenceSystem()
self.crs.createFromUserInput(self.srsName)
self.yx = self.crs.axisInverted()
def canvasPressEvent(self, event):
pass
def canvasMoveEvent(self, event):
if isinstance (self.rect, QtCore.QRect):
self.rect.setBottomRight(event.pos())
self.moveVertex(self.toMapCoordinates(event.pos()))
def canvasReleaseEvent(self, event):
numPoints = self.addVertex(self.toMapCoordinates(event.pos()))
if numPoints == 1 and isinstance (self.rect, QtCore.QRect):
self.rect.setTopLeft(event.pos())
if (event.button() == QtCore.Qt.RightButton and numPoints >= self.minPoints) or \
(numPoints == self.maxPoints):
self.finishGeom (numPoints)
def keyReleaseEvent(self, event):
if event.key() == QtCore.Qt.Key_Escape:
self.selectionFinished.emit(None)
def activate(self):
QgsMapTool.activate(self)
self.canvas.setCursor(self.cursor)
def deactivate(self):
QgsMapTool.deactivate(self)
self.canvas.unsetCursor()
self.clearMapCanvas()
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return False
def addVertex(self, pt):
self.rubberBand.addPoint(pt)
m = QgsVertexMarker(self.canvas)
m.setCenter(pt)
self.vertexMarkers.append(m)
#if self.yx: pt = QgsPoint(pt.y(),pt.x())
self.captureList.append (pt)
return len(self.captureList)
def moveVertex(self, pt):
if self.rubberBand.numberOfVertices() > 1:
if isinstance (self.rect, QtCore.QRect):
transform = self.canvas.getCoordinateTransform()
ll = transform.toMapCoordinates( self.rect.left(), self.rect.bottom() );
ur = transform.toMapCoordinates( self.rect.right(), self.rect.top() );
self.rubberBand.reset(QGis.Polygon)
self.rubberBand.addPoint( ll, False )
self.rubberBand.addPoint( QgsPoint( ur.x(), ll.y() ), False )
self.rubberBand.addPoint( ur, False )
self.rubberBand.addPoint( QgsPoint( ll.x(), ur.y() ), True )
else:
self.rubberBand.movePoint(pt)
def finishGeom (self, numPoints):
if self.maxPoints == 1:
geom = QgsGeometry.fromPoint(self.captureList[0])
elif self.isPolygon and numPoints == 2:
geom = QgsGeometry.fromPolyline(self.captureList)
#geom = QgsGeometry.fromRect(geom.boundingBox())
elif self.isPolygon:
geom = QgsGeometry.fromPolygon([self.captureList])
else:
geom = QgsGeometry.fromPolyline(self.captureList)
geom.simplify(0.00001)
geom.transform(QgsCoordinateTransform(
self.canvas.mapSettings().destinationCrs(),
self.crs))
if self.yx:
i = 0
vertex = geom.vertexAt(i)
while (vertex != QgsPoint(0,0)):
x = vertex.x()
y = vertex.y()
geom.moveVertex(y, x, i)
i+=1
vertex = geom.vertexAt(i)
self.selectionFinished.emit(geom.exportToWkt())
self.clearMapCanvas()
def clearMapCanvas(self):
"""
Clears the map canvas and in particular the rubberband.
A warning is thrown when the markers are removed.
"""
# Reset the capture list
self.captureList = []
# Create an empty rubber band
if self.isPolygon:
self.rubberBand.reset(QGis.Polygon)
else:
self.rubberBand.reset(QGis.Line)
# Delete also all vertex markers
for marker in self.vertexMarkers:
self.canvas.scene().removeItem(marker)
del marker
self.canvas.refresh()
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.
"""
# A dict of layers
# and for each layer the fields to use as foreign key
# as well as the possible target layers
# Reaches can be connected to reaches and nodes
# Catchment areas only to nodes
self.network_element_sources = {
QgepLayerManager.layer('vw_qgep_reach'): {
'fields': [
('rp_to_fk_wastewater_networkelement',
QCoreApplication.translate('QgepMapToolConnectNetworkElements', 'Reach Point To')),
('rp_from_fk_wastewater_networkelement',
QCoreApplication.translate('QgepMapToolConnectNetworkElements', 'Reach Point From'))
],
'target_layers': [
QgepLayerManager.layer('vw_wastewater_node'),
QgepLayerManager.layer('vw_qgep_reach')
]},
QgepLayerManager.layer('od_catchment_area'): {'fields': [
('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'))
],
'target_layers': [
QgepLayerManager.layer('vw_wastewater_node')
]}
}
self.setSnapLayers(self.source_snapper,
self.network_element_sources.keys())
self.reset()
self.action.setChecked(True)
self.iface.mapCanvas().setCursor(QCursor(Qt.CrossCursor))
def setSnapLayers(self, snapper, layers):
snap_layers = list()
for layer in layers:
if layer:
snap_layer = QgsSnappingUtils.LayerConfig(
layer, QgsPointLocator.All, 16, QgsTolerance.Pixels)
snap_layers.append(snap_layer)
snapper.setLayers(snap_layers)
snapper.setSnapToMapMode(QgsSnappingUtils.SnapAdvanced)
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:
# There is already a source feature : snap to target feature
# candidates
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:
# Snapped to source feature, update source feature rubber band
# and target layer snapper
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.setSnapLayers(self.target_snapper, self.network_element_sources[
snap_match.layer()]['target_layers'])
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()]['fields']:
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 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 VertexTracerTool(QgsMapTool):
traceFound = pyqtSignal(QgsGeometry)
def __init__(self, canvas):
# some stuff we need from qgis
QgsMapTool.__init__(self, canvas)
self.canvas = canvas
self.snapper = QgsSnappingUtils()
# some stuff to control our state
self.mCtrl = False
self.started = False
self.firstTimeOnSegment = True
self.lastPointMustStay = False
# some stuff to put our temp output
self.lastPoint = None
self.rb = None
self.isPolygon = False
# our own fancy cursor
self.cursor = QCursor(
QPixmap([
"16 16 3 1", " c None", ". c #00FF00",
"+ c #FFFFFF", " ", " +.+ ",
" ++.++ ", " +.....+ ", " +. .+ ",
" +. . .+ ", " +. . .+ ", " ++. . .++",
" ... ...+... ...", " ++. . .++", " +. . .+ ",
" +. . .+ ", " ++. .+ ", " ++.....+ ",
" ++.++ ", " +.+ "
]))
# we need to know, if ctrl-key is pressed
def keyPressEvent(self, event):
if event.key() == Qt.Key_Control:
self.mCtrl = True
# and also if ctrl-key is released
def keyReleaseEvent(self, event):
if event.key() == Qt.Key_Control:
self.mCtrl = False
# remove the last added point when the delete key is pressed
if event.key() == Qt.Key_Backspace:
self.rb.removeLastPoint()
def canvasPressEvent(self, event):
# on left click, we add a point
if event.button() == 1:
layer = self.canvas.currentLayer()
# if it is the start of a new trace, set the rubberband up
if not self.started:
if layer.geometryType() == 1:
self.isPolygon = False
if layer.geometryType() == 2:
self.isPolygon = True
self.rb = QgsRubberBand(self.canvas, layer.geometryType())
self.rb.setColor(QColor(255, 0, 0))
# declare, that are we going to work, now!
self.started = True
if layer is not None:
x = event.pos().x()
y = event.pos().y()
selPoint = QPoint(x, y)
# try to get something snapped
(retval,
result) = self.snapper.snapToBackgroundLayers(selPoint)
# the point we want to have, is either from snapping result
if result != []:
point = result[0].snappedVertex
# if we snapped something, it's either a vertex
if result[0].snappedVertexNr != -1:
self.firstTimeOnSegment = True
# or a point on a segment, so we have to declare, that a point on segment is found
else:
self.firstTimeOnSegment = False
# or its some point from out in the wild
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.firstTimeOnSegment = True
# bring the rubberband to the cursor i.e. the clicked point
self.rb.movePoint(point)
# and set a new point to go on with
self.appendPoint(point)
# try to remember that this point was on purpose i.e. clicked by the user
self.lastPointMustStay = True
self.firstTimeOnSegment = True
def canvasMoveEvent(self, event):
# QgsMessageLog.logMessage('fts: '+str(self.firstTimeOnSegment), 'state', 0)
# QgsMessageLog.logMessage('lpc: '+str(self.lastPointMustStay), 'state', 0)
if self.started:
# Get the click
x = event.pos().x()
y = event.pos().y()
eventPoint = QPoint(x, y)
# only if the ctrl key is pressed
if self.mCtrl:
layer = self.canvas.currentLayer()
if layer is not None:
(retval,
result) = self.snapper.snapToBackgroundLayers(eventPoint)
# so if we have found a snapping
if result != []:
# pydevd.settrace()
# that's the snapped point
point = QgsPoint(result[0].snappedVertex)
# if it is a vertex, not a point on a segment
if result[0].snappedVertexNr != -1:
self.rb.movePoint(point)
self.appendPoint(point)
self.lastPointMustStay = True
# the next point found, may be on a segment
self.firstTimeOnSegment = True
# we are on a segment
else:
self.rb.movePoint(point)
# if we are on a new segment, we add the point in any case
if self.firstTimeOnSegment:
self.appendPoint(point)
self.lastPointMustStay = True
self.firstTimeOnSegment = False
# if we are not on a new segemnt, we have to test, if this point is realy needed
else:
# but only if we have already enough points
# TODO: check if this is correct for lines also (they only need two points, to be vaild)
if self.rb.numberOfVertices() >= 3:
max = self.rb.numberOfVertices()
lastRbP = self.rb.getPoint(0, max - 2)
# QgsMessageLog.logMessage(str(self.rb.getPoint(0, max-1)), 'rb', 0)
nextToLastRbP = self.rb.getPoint(0, max - 3)
# QgsMessageLog.logMessage(str(self.rb.getPoint(0, max-2)), 'rb', 0)
# QgsMessageLog.logMessage(str(point), 'rb', 0)
if not self.pointOnLine(
lastRbP, nextToLastRbP,
QgsPoint(point)):
self.appendPoint(point)
self.lastPointMustStay = False
else:
# TODO: schauen, ob der letzte punkt ein klick war, dann nicht löschen. entsrpechend auch die "punkt auf linie" neu berechenen.
if not self.lastPointMustStay:
self.rb.removeLastPoint()
self.rb.movePoint(point)
# QgsMessageLog.logMessage('point removed', 'click', 0)
# else:
# QgsMessageLog.logMessage('sleep', 'rb', 0)
else:
self.appendPoint(point)
self.lastPointMustStay = False
self.firstTimeOnSegment = False
else:
# if nothing specials happens, just update the rubberband to the cursor position
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.rb.movePoint(point)
else:
# in "not-tracing" state, just update the rubberband to the cursor position
# but we have still to snap to act like the "normal" digitize tool
(retval,
result) = self.snapper.snapToBackgroundLayers(eventPoint)
if result != []:
point = QgsPoint(result[0].snappedVertex)
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
self.rb.movePoint(point)
def canvasReleaseEvent(self, event):
# with right click the digitizing is finished
if event.button() == 2:
layer = self.canvas.currentLayer()
x = event.pos().x()
y = event.pos().y()
if layer is not None and self.started:
selPoint = QPoint(x, y)
(retval,
result) = self.snapper.snapToBackgroundLayers(selPoint)
if result != []:
point = result[0].snappedVertex
else:
point = QgsMapToPixel.toMapCoordinates(
self.canvas.getCoordinateTransform(), x, y)
# add this last point
self.appendPoint(QgsPoint(point))
self.sendGeometry()
def appendPoint(self, point):
# don't add the point if it is identical to the last point we added
if not (self.lastPoint == point):
self.rb.addPoint(point)
self.lastPoint = QgsPoint(point)
else:
pass
# see: double QgsGeometryValidator::distLine2Point( QgsPoint p, QgsVector v, QgsPoint q )
# distance of point q from line through p in direction v
def pointOnLine(self, pntAft, pntBef, pntTest):
p = QgsPoint(pntAft)
vx = pntBef.x() - pntAft.x()
vy = pntBef.y() - pntAft.y()
vlength = math.sqrt(vy * vy + vx * vx)
if vlength == 0:
return False
q = QgsPoint(pntTest)
res = (vx * (q.y() - p.y()) - vy * (q.x() - p.x())) / vlength
# res = 0 means point is on line, but we are not in a perfect world, so a tolerance is needed
# to get rid of some numerical problems. Tolerance estimated by solid engenieering work (rule of thumb...)
if res < 1E-10:
return True
else:
return False
def sendGeometry(self):
layer = self.canvas.currentLayer()
coords = []
# backward compatiblity for a bug in qgsRubberband, that was fixed in 1.7
if Qgis.QGIS_VERSION_INT >= 10700:
[
coords.append(self.rb.getPoint(0, i))
for i in range(self.rb.numberOfVertices())
]
else:
[
coords.append(self.rb.getPoint(0, i))
for i in range(1, self.rb.numberOfVertices())
]
# On the Fly reprojection, not necessary any more, mapToLayerCoordinates is clever enough on its own
# layerEPSG = layer.srs().epsg()
# projectEPSG = self.canvas.mapRenderer().destinationSrs().epsg()
# if layerEPSG != projectEPSG:
coords_tmp = coords[:]
coords = []
for point in coords_tmp:
transformedPoint = self.canvas.mapRenderer().mapToLayerCoordinates(
layer, point)
coords.append(transformedPoint)
coords_tmp = coords[:]
coords = []
lastPt = None
for pt in coords_tmp:
if (lastPt != pt):
coords.append(pt)
lastPt = pt
# Add geometry to feature.
if self.isPolygon:
g = QgsGeometry().fromPolygon([coords])
else:
g = QgsGeometry().fromPolyline(coords)
self.traceFound.emit(g)
self.rb.reset(self.isPolygon)
self.started = False
def activate(self):
self.canvas.setCursor(self.cursor)
def deactivate(self):
try:
self.rb.reset()
except AttributeError:
pass
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return True
class QgsMapToolCaptureSpatialOperand(QgsMapTool):
"""
QGIS map tool. Draw a point, line, polygon or bounding box
and convert it to WKT format.
"""
selectionFinished = QtCore.pyqtSignal(str)
def __init__(self,
canvas,
gmlOperand="gml:Envelope",
srsName="",
parent=None):
QgsMapTool.__init__(self, canvas)
self.canvas = canvas
self.parent = parent
if gmlOperand == "gml:Point":
self.minPoints = 1
self.maxPoints = 1
self.isPolygon = False
elif gmlOperand == "gml:Envelope":
self.minPoints = 2
self.maxPoints = 2
self.isPolygon = True
elif gmlOperand == "gml:Polygon":
self.minPoints = 3
self.maxPoints = 0
self.isPolygon = True
elif gmlOperand == "gml:LineString":
self.minPoints = 2
self.maxPoints = 0
self.isPolygon = False
else:
pass
self.srsName = srsName
self.rect = QtCore.QRect(
) if self.isPolygon and self.maxPoints == 2 else None
if self.isPolygon:
self.rubberBand = QgsRubberBand(self.canvas, QGis.Polygon)
else:
self.rubberBand = QgsRubberBand(self.canvas, QGis.Line)
self.rubberBand.setColor(QtGui.QColor(255, 0, 0, 150))
self.rubberBand.setWidth(1)
self.cursor = QtGui.QCursor(QtCore.Qt.CrossCursor)
self.vertexMarkers = []
self.captureList = []
self.crs = QgsCoordinateReferenceSystem()
self.crs.createFromUserInput(self.srsName)
self.yx = self.crs.axisInverted()
def canvasPressEvent(self, event):
pass
def canvasMoveEvent(self, event):
if isinstance(self.rect, QtCore.QRect):
self.rect.setBottomRight(event.pos())
self.moveVertex(self.toMapCoordinates(event.pos()))
def canvasReleaseEvent(self, event):
numPoints = self.addVertex(self.toMapCoordinates(event.pos()))
if numPoints == 1 and isinstance(self.rect, QtCore.QRect):
self.rect.setTopLeft(event.pos())
if (event.button() == QtCore.Qt.RightButton and numPoints >= self.minPoints) or \
(numPoints == self.maxPoints):
self.finishGeom(numPoints)
def keyReleaseEvent(self, event):
if event.key() == QtCore.Qt.Key_Escape:
self.selectionFinished.emit(None)
def activate(self):
QgsMapTool.activate(self)
self.canvas.setCursor(self.cursor)
def deactivate(self):
QgsMapTool.deactivate(self)
self.canvas.unsetCursor()
self.clearMapCanvas()
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return False
def addVertex(self, pt):
self.rubberBand.addPoint(pt)
m = QgsVertexMarker(self.canvas)
m.setCenter(pt)
self.vertexMarkers.append(m)
#if self.yx: pt = QgsPoint(pt.y(),pt.x())
self.captureList.append(pt)
return len(self.captureList)
def moveVertex(self, pt):
if self.rubberBand.numberOfVertices() > 1:
if isinstance(self.rect, QtCore.QRect):
transform = self.canvas.getCoordinateTransform()
ll = transform.toMapCoordinates(self.rect.left(),
self.rect.bottom())
ur = transform.toMapCoordinates(self.rect.right(),
self.rect.top())
self.rubberBand.reset(QGis.Polygon)
self.rubberBand.addPoint(ll, False)
self.rubberBand.addPoint(QgsPoint(ur.x(), ll.y()), False)
self.rubberBand.addPoint(ur, False)
self.rubberBand.addPoint(QgsPoint(ll.x(), ur.y()), True)
else:
self.rubberBand.movePoint(pt)
def finishGeom(self, numPoints):
if self.maxPoints == 1:
geom = QgsGeometry.fromPoint(self.captureList[0])
elif self.isPolygon and numPoints == 2:
geom = QgsGeometry.fromPolyline(self.captureList)
#geom = QgsGeometry.fromRect(geom.boundingBox())
elif self.isPolygon:
geom = QgsGeometry.fromPolygon([self.captureList])
else:
geom = QgsGeometry.fromPolyline(self.captureList)
geom.simplify(0.00001)
geom.transform(
QgsCoordinateTransform(self.canvas.mapSettings().destinationCrs(),
self.crs))
if self.yx:
i = 0
vertex = geom.vertexAt(i)
while (vertex != QgsPoint(0, 0)):
x = vertex.x()
y = vertex.y()
geom.moveVertex(y, x, i)
i += 1
vertex = geom.vertexAt(i)
self.selectionFinished.emit(geom.exportToWkt())
self.clearMapCanvas()
def clearMapCanvas(self):
"""
Clears the map canvas and in particular the rubberband.
A warning is thrown when the markers are removed.
"""
# Reset the capture list
self.captureList = []
# Create an empty rubber band
if self.isPolygon:
self.rubberBand.reset(QGis.Polygon)
else:
self.rubberBand.reset(QGis.Line)
# Delete also all vertex markers
for marker in self.vertexMarkers:
self.canvas.scene().removeItem(marker)
del marker
self.canvas.refresh()
class MeasureTool(QgsMapTool):
'''
classdocs
'''
def __init__(self, canvas, txtBearing, disType=DistanceUnits.M):
'''
Constructor
'''
self.canvas = canvas
self.txtBearing = txtBearing
QgsMapTool.__init__(self, self.canvas)
self.mSnapper = QgsMapCanvasSnapper(self.canvas)
self.rubberBand = QgsRubberBand(self.canvas, QGis.Line)
self.rubberBand.setColor(Qt.red)
self.rubberBand.setWidth(1)
self.rubberBandPt = QgsRubberBand(canvas, QGis.Point)
self.rubberBandPt.setColor(Qt.red)
self.rubberBandPt.setWidth(10)
self.type = disType
self.reset()
def reset(self):
self.startPoint = None
self.endPoint = None
self.isDrawing = False
self.distance = 0.0
def canvasReleaseEvent(self, e):
if (e.button() == Qt.RightButton):
self.reset()
self.emit(SIGNAL("captureFinished"))
else:
self.rubberBandPt.reset(QGis.Point)
snapPoint = QgisHelper.snapPoint(e.pos(), self.mSnapper,
define._canvas, True)
if self.startPoint == None:
self.rubberBand.reset(QGis.Line)
if snapPoint == None:
self.startPoint = self.toMapCoordinates(e.pos())
else:
self.startPoint = snapPoint
self.rubberBand.addPoint(self.startPoint)
self.isDrawing = True
else:
if snapPoint == None:
self.endPoint = self.toMapCoordinates(e.pos())
else:
self.endPoint = snapPoint
self.rubberBand.addPoint(self.endPoint)
dist = MathHelper.calcDistance(self.startPoint, self.endPoint)
self.distance = self.distance + dist
if self.type == DistanceUnits.M:
self.txtBearing.setText("%f" % round(self.distance, 4))
elif self.type == DistanceUnits.NM:
self.txtBearing.setText(
"%f" % round(Unit.ConvertMeterToNM(self.distance), 4))
elif self.type == DistanceUnits.FT:
self.txtBearing.setText(
"%f" %
round(Unit.ConvertMeterToFeet(self.distance), 4))
elif self.type == DistanceUnits.KM:
self.txtBearing.setText("%f" % round(
(self.distance / 1000), 4))
elif self.type == DistanceUnits.MM:
self.txtBearing.setText(str(int(self.distance * 1000)))
self.startPoint = self.endPoint
def canvasMoveEvent(self, e):
self.rubberBandPt.reset(QGis.Point)
snapPoint = QgisHelper.snapPoint(e.pos(), self.mSnapper,
define._canvas, True)
if snapPoint != None:
self.rubberBandPt.addPoint(snapPoint)
self.rubberBandPt.show()
if self.isDrawing:
if self.isDrawing:
if snapPoint == None:
self.endPoint = self.toMapCoordinates(e.pos())
else:
self.endPoint = snapPoint
self.rubberBand.movePoint(self.endPoint)
dist1 = MathHelper.calcDistance(self.startPoint, self.endPoint)
dist1 = self.distance + dist1
if self.type == DistanceUnits.M:
self.txtBearing.setText("%f" % round(dist1, 4))
elif self.type == DistanceUnits.NM:
self.txtBearing.setText("%f" %
round(Unit.ConvertMeterToNM(dist1), 4))
elif self.type == DistanceUnits.FT:
self.txtBearing.setText(
"%f" % round(Unit.ConvertMeterToFeet(dist1), 4))
elif self.type == DistanceUnits.KM:
self.txtBearing.setText("%f" % round((dist1 / 1000), 4))
elif self.type == DistanceUnits.MM:
self.txtBearing.setText(str(int(dist1 * 1000)))
def deactivate(self):
self.rubberBandPt.reset(QGis.Point)
QgsMapTool.deactivate(self)
self.emit(SIGNAL("deactivated()"))
class ALKISPolygonInfo(QgsMapTool):
def __init__(self, plugin):
QgsMapTool.__init__(self, plugin.iface.mapCanvas())
self.plugin = plugin
self.iface = plugin.iface
self.cursor = QCursor(QPixmap([
"16 16 3 1",
" c None",
". c #FF0000",
"+ c #FFFFFF",
" ",
" +.+ ",
" ++.++ ",
" +.....+ ",
" +. .+ ",
" +. . .+ ",
" +. . .+ ",
" ++. . .++",
" ... ...+... ...",
" ++. . .++",
" +. . .+ ",
" +. . .+ ",
" ++. .+ ",
" ++.....+ ",
" ++.++ ",
" +.+ "
]))
self.rubberBand = QgsRubberBand(self.iface.mapCanvas(), self.plugin.PolygonGeometry)
self.areaMarkerLayer = None
def canvasPressEvent(self, e):
if self.areaMarkerLayer is None:
(layerId, ok) = QgsProject.instance().readEntry("alkis", "/areaMarkerLayer")
if ok:
self.areaMarkerLayer = self.plugin.mapLayer(layerId)
if self.areaMarkerLayer is None:
QMessageBox.warning(None, "ALKIS", u"Fehler: Flächenmarkierungslayer nicht gefunden!")
def canvasMoveEvent(self, e):
if self.rubberBand.numberOfVertices() > 0:
point = self.iface.mapCanvas().getCoordinateTransform().toMapCoordinates(e.x(), e.y())
self.rubberBand.movePoint(point)
def canvasReleaseEvent(self, e):
point = self.iface.mapCanvas().getCoordinateTransform().toMapCoordinates(e.x(), e.y())
if e.button() == Qt.LeftButton:
self.rubberBand.addPoint(point)
return
QApplication.setOverrideCursor(Qt.WaitCursor)
if self.rubberBand.numberOfVertices() >= 3:
g = self.plugin.transform(
self.rubberBand.asGeometry()
)
self.rubberBand.reset(self.plugin.PolygonGeometry)
fs = self.plugin.highlight(
where=u"st_intersects(wkb_geometry,st_geomfromtext('POLYGON((%s))'::text,%d))" % (
",".join(["%.3lf %.3lf" % (p[0], p[1]) for p in g.asPolygon()[0]]),
self.plugin.getepsg()
)
)
if len(fs) == 0:
QApplication.restoreOverrideCursor()
QMessageBox.information(None, u"Fehler", u"Keine Flurstücke gefunden.")
return
gmlids = []
for e in fs:
gmlids.append(e['gmlid'])
try:
s = QSettings("norBIT", "EDBSgen/PRO")
for i in range(0, len(fs)):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(("localhost", int(s.value("norGISPort", "6102"))))
sock.send("NORGIS_MAIN#EDBS#ALBKEY#{}#{}#".format(fs[i]['flsnr'], 0 if i + 1 == len(fs) else 1).encode("utf-8"))
sock.close()
if win32:
window = win32gui.FindWindow(None, s.value("albWin", "norGIS"))
win32gui.SetForegroundWindow(window)
except socket.error:
QMessageBox.information(None, u"Fehler", u"Verbindung zu norGIS schlug fehl.")
else:
self.rubberBand.reset(self.plugin.PolygonGeometry)
QApplication.restoreOverrideCursor()
