def on_reliefClassTree_itemDoubleClicked(self, item, column):
if not item:
return
if column == 0:
d, ok = QInputDialog.getDouble(None,
self.tr('Enter lower elevation class bound'),
self.tr('Elevation'),
float(item.text(0)),
decimals=2)
if ok:
item.setText(0, str(d))
elif column == 1:
d, ok = QInputDialog.getDouble(None,
self.tr('Enter upper elevation class bound'),
self.tr('Elevation'),
float(item.text(1)),
decimals=2)
if ok:
item.setText(1, str(d))
elif column == 2:
c = QColorDialog.getColor(item.background(2).color(),
None,
self.tr('Select color for relief class'))
if c.isValid():
item.setBackground(2, QBrush(c))
def on_reliefClassTree_itemDoubleClicked(self, item, column):
if not item:
return
if column == 0:
d, ok = QInputDialog.getDouble(None,
self.tr('Enter lower elevation class bound'),
self.tr('Elevation'),
float(item.text(0)),
decimals=2)
if ok:
item.setText(0, str(d))
elif column == 1:
d, ok = QInputDialog.getDouble(None,
self.tr('Enter upper elevation class bound'),
self.tr('Elevation'),
float(item.text(1)),
decimals=2)
if ok:
item.setText(1, str(d))
elif column == 2:
c = QColorDialog.getColor(item.background(2).color(),
None,
self.tr('Select color for relief class'))
if c.isValid():
item.setBackground(2, QBrush(c))
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 drawCircles(self):
"""Draws a circle around the selected points"""
radius, okPress = QInputDialog.getDouble(
None,
'Circle Radius',
'The circle radius in NM:',
5,
0.005,
decimals=3
)
if not okPress:
return
try:
drawing.drawCircles(radius)
except Exception as e:
QMessageBox.warning(None, 'QgsOpenScope', str(e))
def canvasReleaseEvent(self, e):
'''La sélection est faîte'''
if not e.button() == Qt.LeftButton:
return None
self.status = 0
if self.rb.numberOfVertices() > 3:
self.selectionDone.emit()
else:
radius, ok = QInputDialog.getDouble(
self.iface.mainWindow(), tr('Radius'),
tr('Give a radius in m:'), min=0)
if radius > 0 and ok:
cp = self.toMapCoordinates(e.pos())
cp.setX(cp.x() + radius)
rbcircle(self.rb, self.toMapCoordinates(
e.pos()), cp, self.segments)
self.rb.show()
self.selectionDone.emit()
return None
def canvasReleaseEvent(self, e):
'''La sélection est faîte'''
if not e.button() == Qt.LeftButton:
return None
self.status = 0
if self.rb.numberOfVertices() > 3:
self.selectionDone.emit()
else:
radius, ok = QInputDialog.getDouble(self.iface.mainWindow(),
self.tr('Radius'),
self.tr('Give a radius in m:'),
min=0)
if ok:
cp = self.toMapCoordinates(e.pos())
cp.setX(cp.x() + radius)
rbcircle(self.rb, self.toMapCoordinates(e.pos()), cp,
self.cercle)
self.rb.show()
self.selectionDone.emit()
return None
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 draw(self):
rb = self.tool.rb
g = rb.asGeometry()
ok = True
warning = False
errBuffer_noAtt = False
errBuffer_Vertices = False
layer = self.iface.layerTreeView().currentLayer()
if self.toolname == 'drawBuffer':
if self.bGeom is None:
warning = True
errBuffer_noAtt = True
else:
perim, ok = QInputDialog.getDouble(
self.iface.mainWindow(),
self.tr('Perimeter'),
self.tr('Give a perimeter in m:') + '\n' +
self.tr('(works only with metric crs)'),
min=0)
g = self.bGeom.buffer(perim, 40)
rb.setToGeometry(
g,
QgsVectorLayer("Polygon?crs=" + layer.crs().authid(), "",
"memory"))
if g.length() == 0 and ok:
warning = True
errBuffer_Vertices = True
if self.toolname == 'drawCopies':
if g.length() < 0:
warning = True
errBuffer_noAtt = True
if ok and not warning:
name = ''
ok = True
add = False
index = 0
layers = []
while not name.strip() and not add and ok:
dlg = QDrawLayerDialog(self.iface, self.drawShape)
name, add, index, layers, ok = dlg.getName(
self.iface, self.drawShape)
if ok and not warning:
layer = None
if add:
layer = layers[index]
if self.drawShape in ['point', 'XYpoint']:
g = g.centroid()
else:
if self.drawShape == 'point':
layer = QgsVectorLayer(
"Point?crs=" + self.iface.mapCanvas().mapSettings(
).destinationCrs().authid() + "&field=" +
self.tr('Drawings') + ":string(255)", name, "memory")
g = g.centroid() # force geometry as point
elif self.drawShape == 'XYpoint':
layer = QgsVectorLayer(
"Point?crs=" + self.XYcrs.authid() + "&field=" +
self.tr('Drawings') + ":string(255)", name, "memory")
g = g.centroid()
elif self.drawShape == 'line':
layer = QgsVectorLayer(
"LineString?crs=" + self.iface.mapCanvas().mapSettings(
).destinationCrs().authid() + "&field=" +
self.tr('Drawings') + ":string(255)", name, "memory")
# fix_print_with_import
print("LineString?crs=" + self.iface.mapCanvas(
).mapSettings().destinationCrs().authid() + "&field=" +
self.tr('Drawings') + ":string(255)")
else:
layer = QgsVectorLayer(
"Polygon?crs=" + self.iface.mapCanvas().mapSettings(
).destinationCrs().authid() + "&field=" +
self.tr('Drawings') + ":string(255)", name, "memory")
layer.startEditing()
symbols = layer.renderer().symbols(
QgsRenderContext()) # todo which context ?
symbols[0].setColor(self.settings.getColor())
feature = QgsFeature()
feature.setGeometry(g)
feature.setAttributes([name])
layer.dataProvider().addFeatures([feature])
layer.commitChanges()
if not add:
pjt = QgsProject.instance()
pjt.addMapLayer(layer, False)
if pjt.layerTreeRoot().findGroup(self.tr('Drawings')) is None:
pjt.layerTreeRoot().insertChildNode(
0, QgsLayerTreeGroup(self.tr('Drawings')))
group = pjt.layerTreeRoot().findGroup(self.tr('Drawings'))
group.insertLayer(0, layer)
self.iface.layerTreeView().refreshLayerSymbology(layer.id())
self.iface.mapCanvas().refresh()
else:
if warning:
if errBuffer_noAtt:
self.iface.messageBar().pushWarning(
self.tr('Warning'),
self.tr('You didn\'t click on a layer\'s attribute !'))
elif errBuffer_Vertices:
self.iface.messageBar().pushWarning(
self.tr('Warning'),
self.tr('You must give a non-null value for a \
point\'s or line\'s perimeter !'))
else:
self.iface.messageBar().pushWarning(
self.tr('Warning'),
self.tr('There is no selected layer, or it is not \
vector nor visible !'))
self.tool.reset()
self.resetSB()
self.bGeom = None
def draw(self):
rb = self.tool.rb
g = rb.asGeometry()
ok = True
warning = False
errBuffer_noAtt = False
errBuffer_Vertices = False
layer = self.iface.layerTreeView().currentLayer()
if self.toolname == 'drawBuffer':
if self.bGeom is None:
warning = True
errBuffer_noAtt = True
else:
perim, ok = QInputDialog.getDouble(
self.iface.mainWindow(), self.tr('Perimeter'),
self.tr('Give a perimeter in m:')
+ '\n'+self.tr('(works only with metric crs)'),
min=0)
g = self.bGeom.buffer(perim, 40)
rb.setToGeometry(g, QgsVectorLayer(
"Polygon?crs="+layer.crs().authid(), "", "memory"))
if g.length() == 0 and ok:
warning = True
errBuffer_Vertices = True
if self.toolname == 'drawCopies':
if g.length() < 0:
warning = True
errBuffer_noAtt = True
if ok and not warning:
name = ''
ok = True
add = False
index = 0
layers = []
while not name.strip() and not add and ok:
dlg = QDrawLayerDialog(self.iface, self.drawShape)
name, add, index, layers, ok = dlg.getName(
self.iface, self.drawShape)
if ok and not warning:
layer = None
if add:
layer = layers[index]
if self.drawShape in ['point', 'XYpoint']:
g = g.centroid()
else:
if self.drawShape == 'point':
layer = QgsVectorLayer("Point?crs="+self.iface.mapCanvas().mapSettings().destinationCrs().authid()+"&field="+self.tr('Drawings')+":string(255)", name, "memory")
g = g.centroid() # force geometry as point
elif self.drawShape == 'XYpoint':
layer = QgsVectorLayer("Point?crs="+self.XYcrs.authid()+"&field="+self.tr('Drawings')+":string(255)", name, "memory")
g = g.centroid()
elif self.drawShape == 'line':
layer = QgsVectorLayer("LineString?crs="+self.iface.mapCanvas().mapSettings().destinationCrs().authid()+"&field="+self.tr('Drawings')+":string(255)", name, "memory")
# fix_print_with_import
print("LineString?crs="+self.iface.mapCanvas().mapSettings().destinationCrs().authid()+"&field="+self.tr('Drawings')+":string(255)")
else:
layer = QgsVectorLayer("Polygon?crs="+self.iface.mapCanvas().mapSettings().destinationCrs().authid()+"&field="+self.tr('Drawings')+":string(255)", name, "memory")
layer.startEditing()
symbols = layer.renderer().symbols(QgsRenderContext()) # todo which context ?
symbols[0].setColor(self.settings.getColor())
feature = QgsFeature()
feature.setGeometry(g)
feature.setAttributes([name])
layer.dataProvider().addFeatures([feature])
layer.commitChanges()
if not add:
pjt = QgsProject.instance()
pjt.addMapLayer(layer, False)
if pjt.layerTreeRoot().findGroup(self.tr('Drawings')) is None:
pjt.layerTreeRoot().insertChildNode(
0, QgsLayerTreeGroup(self.tr('Drawings')))
group = pjt.layerTreeRoot().findGroup(
self.tr('Drawings'))
group.insertLayer(0, layer)
self.iface.layerTreeView().refreshLayerSymbology(layer.id())
self.iface.mapCanvas().refresh()
else:
if warning:
if errBuffer_noAtt:
self.iface.messageBar().pushWarning(
self.tr('Warning'),
self.tr('You didn\'t click on a layer\'s attribute !'))
elif errBuffer_Vertices:
self.iface.messageBar().pushWarning(
self.tr('Warning'),
self.tr('You must give a non-null value for a \
point\'s or line\'s perimeter !'))
else:
self.iface.messageBar().pushWarning(
self.tr('Warning'),
self.tr('There is no selected layer, or it is not \
vector nor visible !'))
self.tool.reset()
self.resetSB()
self.bGeom = None
