def process(self):
layer = self.iface.mapCanvas().currentLayer()
newFeatures = []
if layer.selectedFeatureCount() == 1:
editCommand = QtCore.QCoreApplication.translate("editcommand", "Split feature")
elif layer.selectedFeatureCount() > 1:
editCommand = QtCore.QCoreApplication.translate("editcommand", "Split features")
for feature in layer.selectedFeatures():
geom = QgsGeometry(feature.geometry())
if not geom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(layer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
# if feature geometry is multipart starts split processing
if geom.isMultipart():
if len(newFeatures) == 0:
layer.beginEditCommand(editCommand)
# Get parts from original feature
parts = geom.asGeometryCollection ()
# update feature geometry to hold first part single geometry
# (this way one of the output feature keeps the original Id)
feature.setGeometry(parts.pop(0))
layer.updateFeature(feature)
# create new features from parts and add them to the list of newFeatures
newFeatures = newFeatures + dtutils.dtMakeFeaturesFromGeometries(layer, feature, parts)
# add new features to layer
if len(newFeatures) > 0:
layer.addFeatures(newFeatures, False)
layer.endEditCommand()
def process(self):
layer = self.iface.activeLayer()
layer.featureAdded.connect(self.featureAdded)
numRingsFilled = 0
aborted = False
for featureToFill in layer.selectedFeatures():
geom = QgsGeometry(featureToFill.geometry())
if not geom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(layer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
rings = dtutils.dtExtractRings(geom)
for aRing in rings:
if numRingsFilled == 0:
defaultAttributeMap = dtutils.dtGetDefaultAttributeMap(
layer)
layer.beginEditCommand(
QtCore.QCoreApplication.translate(
"editcommand", "Fill rings"))
if self.iface.vectorLayerTools().addFeature(
layer,
defaultValues=defaultAttributeMap,
defaultGeometry=aRing):
layer.featureAdded.disconnect(self.featureAdded)
else:
layer.featureAdded.disconnect(self.featureAdded)
layer.destroyEditCommand()
aborted = True
break
else:
aFeat = dtutils.dtCopyFeature(layer, srcFid=self.newFid)
aFeat.setGeometry(aRing)
layer.addFeature(aFeat)
numRingsFilled += 1
if aborted:
break
layer.endEditCommand()
self.canvas.refresh()
def process(self):
layer = self.iface.activeLayer()
layer.featureAdded.connect(self.featureAdded)
numRingsFilled = 0
aborted = False
for featureToFill in layer.selectedFeatures():
geom = QgsGeometry(featureToFill.geometry())
if not geom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(layer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
rings = dtutils.dtExtractRings(geom)
for aRing in rings:
if numRingsFilled == 0:
defaultAttributeMap = dtutils.dtGetDefaultAttributeMap(layer)
layer.beginEditCommand(QtCore.QCoreApplication.translate("editcommand", "Fill rings"))
if self.iface.vectorLayerTools().addFeature(layer, defaultValues = defaultAttributeMap, defaultGeometry = aRing):
layer.featureAdded.disconnect(self.featureAdded)
else:
layer.featureAdded.disconnect(self.featureAdded)
layer.destroyEditCommand()
aborted = True
break
else:
aFeat = dtutils.dtCopyFeature(layer, srcFid = self.newFid)
aFeat.setGeometry(aRing)
layer.addFeature(aFeat)
numRingsFilled += 1
if aborted:
break
layer.endEditCommand()
self.canvas.refresh()
def process(self):
layer = self.iface.mapCanvas().currentLayer()
newFeatures = []
if layer.selectedFeatureCount() == 1:
editCommand = QtCore.QCoreApplication.translate(
"editcommand", "Split feature")
elif layer.selectedFeatureCount() > 1:
editCommand = QtCore.QCoreApplication.translate(
"editcommand", "Split features")
for feature in layer.selectedFeatures():
geom = QgsGeometry(feature.geometry())
if not geom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(layer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
# if feature geometry is multipart starts split processing
if geom.isMultipart():
if len(newFeatures) == 0:
layer.beginEditCommand(editCommand)
# Get parts from original feature
parts = geom.asGeometryCollection()
# update feature geometry to hold first part single geometry
# (this way one of the output feature keeps the original Id)
feature.setGeometry(parts.pop(0))
layer.updateFeature(feature)
# create new features from parts and add them to the list of newFeatures
newFeatures = newFeatures + dtutils.dtMakeFeaturesFromGeometries(
layer, feature, parts)
# add new features to layer
if len(newFeatures) > 0:
layer.addFeatures(newFeatures)
layer.endEditCommand()
def process(self):
'''Function that does all the real work'''
title = QtCore.QCoreApplication.translate("digitizingtools", "Splitter")
splitterLayer = dtutils.dtChooseVectorLayer(self.iface, 1, msg = QtCore.QCoreApplication.translate("digitizingtools", "splitter layer"))
if splitterLayer == None:
self.iface.messageBar().pushMessage(title, QtCore.QCoreApplication.translate("digitizingtools", "Please provide a line layer to split with."))
else:
passiveLayer = self.iface.activeLayer()
msgLst = dtutils.dtGetNoSelMessage()
noSelMsg1 = msgLst[0]
if splitterLayer.selectedFeatureCount() == 0:
self.iface.messageBar().pushMessage(title, noSelMsg1 + " " + splitterLayer.name())
return None
elif splitterLayer.selectedFeatureCount() != 1:
numSelSplitMsg = dtutils.dtGetManySelMessage(splitterLayer)
self.iface.messageBar().pushMessage(title, numSelSplitMsg + \
QtCore.QCoreApplication.translate("digitizingtools", " Please select only one feature to split with."))
else:
if passiveLayer.selectedFeatureCount() == 0:
self.iface.messageBar().pushMessage(title, noSelMsg1 + " " + passiveLayer.name() + ".\n" + \
QtCore.QCoreApplication.translate("digitizingtools", " Please select the features to be splitted."))
return None
# determine srs, we work in the project's srs
splitterCRSSrsid = splitterLayer.crs().srsid()
passiveCRSSrsid = passiveLayer.crs().srsid()
mc = self.iface.mapCanvas()
renderer = mc.mapRenderer()
projectCRSSrsid = renderer.destinationCrs().srsid()
passiveLayer.beginEditCommand(QtCore.QCoreApplication.translate("editcommand", "Split features"))
featuresBeingSplit = 0
featuresToAdd = []
for feat in splitterLayer.selectedFeatures():
splitterGeom = QgsGeometry(feat.geometry())
if not splitterGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(splitterLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
if splitterCRSSrsid != projectCRSSrsid:
splitterGeom.transform(QgsCoordinateTransform(splitterCRSSrsid, projectCRSSrsid))
for selFeat in passiveLayer.selectedFeatures():
selGeom = QgsGeometry(selFeat.geometry())
if not selGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(passiveLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
if passiveCRSSrsid != projectCRSSrsid:
selGeom.transform(QgsCoordinateTransform(passiveCRSSrsid, projectCRSSrsid))
if splitterGeom.intersects(selGeom): # we have a candidate
splitterPList = dtutils.dtExtractPoints(splitterGeom)
try:
result, newGeometries, topoTestPoints = selGeom.splitGeometry(splitterPList, False) #QgsProject.instance().topologicalEditing())
except:
self.iface.messageBar().pushMessage(title,
dtutils.dtGetErrorMessage() + QtCore.QCoreApplication.translate("digitizingtools", "splitting of feature") + " " + str(selFeat.id()),
level=QgsMessageBar.CRITICAL)
return None
if result == 0:
selFeat.setGeometry(selGeom)
passiveLayer.updateFeature(selFeat)
if len(newGeometries) > 0:
featuresBeingSplit += 1
newFeatures = dtutils.dtMakeFeaturesFromGeometries(passiveLayer, selFeat, newGeometries)
for newFeat in newFeatures:
newGeom = QgsGeometry(newFeat.geometry())
if passiveCRSSrsid != projectCRSSrsid:
newGeom.transform(QgsCoordinateTransform( projectCRSSrsid, passiveCRSSrsid))
newFeat.setGeometry(newGeom)
featuresToAdd.append(newFeat)
if featuresBeingSplit > 0:
passiveLayer.addFeatures(featuresToAdd, False)
passiveLayer.endEditCommand()
passiveLayer.removeSelection()
else:
passiveLayer.destroyEditCommand()
def process(self):
'''Function that does all the real work'''
title = QtCore.QCoreApplication.translate(
"digitizingtools", "Clipper")
processLayer = self.iface.activeLayer()
msgLst = dtutils.dtGetNoSelMessage()
noSelMsg1 = msgLst[0]
if processLayer.selectedFeatureCount() == 0:
self.iface.messageBar().pushMessage(
title, noSelMsg1 + " " + processLayer.name())
return None
else:
clipperGeoms = []
for feat in processLayer.selectedFeatures():
clipperGeom = feat.geometry()
if not clipperGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(processLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
else:
clipperGeoms.append(clipperGeom)
if len(clipperGeoms) == 0:
return None # could be only invalid geoms selected
processLayer.invertSelection()
idsToProcess = []
processLayer.beginEditCommand(
QtCore.QCoreApplication.translate(
"editcommand", "Clip Features"
))
featuresBeingClipped = 0
for aFeat in processLayer.selectedFeatures():
idsToProcess.append(aFeat.id())
for clipperGeom in clipperGeoms:
bbox = clipperGeom.boundingBox()
processLayer.selectByRect(bbox) # make a new selection
for selFeat in processLayer.selectedFeatures():
if idsToProcess.count(selFeat.id()) == 0:
continue
selGeom = selFeat.geometry()
if not selGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(processLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
if clipperGeom.intersects(selGeom): # we have a candidate
newGeom = selGeom.intersection(clipperGeom)
if newGeom != None:
if not newGeom.isEmpty():
if newGeom.area() > 0:
selFeat.setGeometry(newGeom)
processLayer.updateFeature(selFeat)
featuresBeingClipped += 1
processLayer.removeSelection()
self.iface.mapCanvas().refresh()
if featuresBeingClipped == 0:
processLayer.destroyEditCommand()
else:
processLayer.endEditCommand()
def process(self):
'''Function that does all the real work'''
title = QtCore.QCoreApplication.translate("digitizingtools", "Cutter")
showEmptyWarning = True
choice = None
fidsToDelete = []
passiveLayer = self.iface.activeLayer()
dlg = DtChooseCutterLayer(self.iface, self.isPolygonLayer(passiveLayer), self.lastChoice)
dlg.show()
result = dlg.exec_()
if result != 1:
self.iface.messageBar().pushMessage(title,
QtCore.QCoreApplication.translate("digitizingtools", "Please provide a polygon layer to cut with."))
else:
cutterLayer = dlg.cutterLayer
copyPoly = dlg.copyPoly
self.lastChoice= [cutterLayer, copyPoly]
isSameLayer = cutterLayer == self.iface.activeLayer()
if cutterLayer.selectedFeatureCount() == 0:
msgLst = dtutils.dtGetNoSelMessage()
noSelMsg1 = msgLst[0]
noSelMsg2 = msgLst[1]
if isSameLayer:
self.iface.messageBar().pushMessage(title, noSelMsg1 + " " + cutterLayer.name())
return None
else:
reply = QtWidgets.QMessageBox.question(None, title,
noSelMsg1 + " " + cutterLayer.name() + "\n" + noSelMsg2,
QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No )
if reply == QtWidgets.QMessageBox.Yes:
cutterLayer.invertSelection()
else:
return None
if passiveLayer.selectedFeatureCount() == 0:
msgLst = dtutils.dtGetNoSelMessage()
noSelMsg1 = msgLst[0]
noSelMsg2 = msgLst[1]
reply = QtWidgets.QMessageBox.question(None, title,
noSelMsg1 + " " + passiveLayer.name() + "\n" + noSelMsg2,
QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No )
if reply == QtWidgets.QMessageBox.Yes:
passiveLayer.invertSelection()
else:
return None
idsToProcess = []
for aFeat in passiveLayer.selectedFeatures():
idsToProcess.append(aFeat.id())
if cutterLayer.selectedFeatureCount() > 0:
# determine srs, we work in the project's srs
cutterCRSSrsid = cutterLayer.crs().srsid()
passiveCRSSrsid = passiveLayer.crs().srsid()
projectCRSSrsid = QgsProject.instance().crs().srsid()
passiveLayer.beginEditCommand(QtCore.QCoreApplication.translate("editcommand", "Cut Features"))
featuresBeingCut = 0
featuresToAdd = []
tmpCutterLayer = QgsVectorLayer("Polygon?crs=" + cutterLayer.crs().authid(),"cutter","memory")
tmpCutterLayer.setCrs(cutterLayer.crs())
tmpCutterLayer.startEditing()
noMatchWarning = dtutils.dtGetNotMatchingGeomWarning(passiveLayer)
for feat in cutterLayer.selectedFeatures():
cutterGeom = QgsGeometry(feat.geometry())
if cutterGeom.wkbType() == 6:
cutterGeom = QgsGeometry.fromMultiPolygonXY(cutterGeom.asMultiPolygon())
else:
cutterGeom = QgsGeometry.fromPolygonXY(cutterGeom.asPolygon())
if not cutterGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(cutterLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
cutterFeat = QgsFeature()
cutterFeat.setGeometry(cutterGeom)
tmpCutterLayer.addFeature(cutterFeat)
tmpCutterLayer.commitChanges()
idsToProcess = []
if isSameLayer:
for aFeat in passiveLayer.getFeatures():
idsToProcess.append(aFeat.id())
else:
for aFeat in passiveLayer.selectedFeatures():
idsToProcess.append(aFeat.id())
#tmpCutterLayer.invertSelection()
for feat in tmpCutterLayer.getFeatures():
cutterGeom = QgsGeometry(feat.geometry())
if cutterCRSSrsid != projectCRSSrsid:
cutterGeom.transform(QgsCoordinateTransform(
cutterLayer.crs(), QgsProject.instance().crs(),
QgsProject.instance()))
if passiveCRSSrsid != projectCRSSrsid:
bboxGeom = QgsGeometry(cutterGeom)
bboxGeom.transform(QgsCoordinateTransform(
QgsProject.instance().crs(), passiveLayer.crs(),
QgsProject.instance()))
bbox = bboxGeom.boundingBox()
else:
bbox = cutterGeom.boundingBox()
passiveLayer.selectByRect(bbox) # make a new selection
for selFeat in passiveLayer.selectedFeatures():
if idsToProcess.count(selFeat.id()) == 0:
continue
selGeom = QgsGeometry(selFeat.geometry())
if isSameLayer:
if selGeom.isGeosEqual(cutterGeom):
continue # do not cut the same geometry
if not selGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(passiveLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
if passiveCRSSrsid != projectCRSSrsid:
selGeom.transform(QgsCoordinateTransform(
passiveLayer.crs(), QgsProject.instance().crs(),
QgsProject.instance()
))
if cutterGeom.intersects(selGeom): # we have a candidate
newGeom = selGeom.difference(cutterGeom)
if newGeom != None:
if newGeom.isEmpty():
#selGeom is completely contained in cutterGeom
if showEmptyWarning:
choice = QtWidgets.QMessageBox.question(None, title,
QtCore.QCoreApplication.translate("digitizingtools",
"A feature would be completely removed by cutting. Delete this feature\'s dataset altogether?"),
QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.YesToAll | QtWidgets.QMessageBox.No | QtWidgets.QMessageBox.NoToAll | QtWidgets.QMessageBox.Cancel)
if choice == QtWidgets.QMessageBox.Cancel:
passiveLayer.destroyEditCommand()
return None
else:
showEmptyWarning = (choice == QtWidgets.QMessageBox.Yes or choice == QtWidgets.QMessageBox.No)
if choice == QtWidgets.QMessageBox.Yes or choice == QtWidgets.QMessageBox.YesToAll:
fidsToDelete.append(selFeat.id())
else:
if passiveCRSSrsid != projectCRSSrsid:
newGeom.transform(QgsCoordinateTransform(
QgsProject.instance().crs(), passiveLayer.crs(),
QgsProject.instance()
))
if not self.geometryTypeMatchesLayer(passiveLayer, newGeom):
newMsg = QtCore.QCoreApplication.translate(
"digitizingtools", "New geometry")
dtutils.dtShowWarning(self.iface, newMsg + ": " + noMatchWarning)
selFeat.setGeometry(newGeom)
passiveLayer.updateFeature(selFeat)
featuresBeingCut += 1
if copyPoly:
copyGeom = selGeom.intersection(cutterGeom)
if copyGeom != None:
if not copyGeom.isEmpty():
if passiveCRSSrsid != projectCRSSrsid:
copyGeom.transform(QgsCoordinateTransform(
QgsProject.instance().crs(), passiveLayer.crs(),
QgsProject.instance()))
if not self.geometryTypeMatchesLayer(passiveLayer, copyGeom):
copyMsg = QtCore.QCoreApplication.translate(
"digitizingtools", "Added geometry")
dtutils.dtShowWarning(self.iface, copyMsg + ": " + noMatchWarning)
newFeatures = dtutils.dtMakeFeaturesFromGeometries(\
passiveLayer, selFeat, [copyGeom])
for newFeat in newFeatures:
featuresToAdd.append(newFeat)
if featuresBeingCut > 0:
if copyPoly:
if passiveLayer.addFeatures(featuresToAdd):
passiveLayer.endEditCommand()
else:
passiveLayer.destroyEditCommand()
else:
passiveLayer.endEditCommand()
else:
passiveLayer.destroyEditCommand()
passiveLayer.removeSelection()
if len(fidsToDelete) > 0:
passiveLayer.beginEditCommand(QtCore.QCoreApplication.translate(\
"editcommand", "Delete Features"))
for fid in fidsToDelete:
if not passiveLayer.deleteFeature(fid):
passiveLayer.destroyEditCommand()
return None
passiveLayer.endEditCommand()
self.iface.mapCanvas().refresh()
def process(self):
'''Function that does all the real work'''
title = QtCore.QCoreApplication.translate(
"digitizingtools", "Clipper")
clipperLayer = dtutils.dtChooseVectorLayer(
self.iface, 2, msg = QtCore.QCoreApplication.translate(
"digitizingtools", "clipper layer"
))
if clipperLayer == None:
self.iface.messageBar().pushMessage(
title, QtCore.QCoreApplication.translate(
"digitizingtools", "Please provide a polygon layer to clip with."
))
else:
passiveLayer = self.iface.activeLayer()
msgLst = dtutils.dtGetNoSelMessage()
noSelMsg1 = msgLst[0]
noSelMsg2 = msgLst[1]
if clipperLayer.selectedFeatureCount() == 0:
self.iface.messageBar().pushMessage(
title, noSelMsg1 + " " + clipperLayer.name())
return None
elif clipperLayer.selectedFeatureCount() != 1:
numSelSplitMsg = dtutils.dtGetManySelMessage(clipperLayer)
self.iface.messageBar().pushMessage(title, numSelSplitMsg + \
QtCore.QCoreApplication.translate(
"digitizingtools",
" Please select only one feature to clip with."
))
else:
if passiveLayer.selectedFeatureCount() == 0:
msgLst = dtutils.dtGetNoSelMessage()
noSelMsg1 = msgLst[0]
noSelMsg2 = msgLst[1]
reply = QtGui.QMessageBox.question(None, title,
noSelMsg1 + " " + passiveLayer.name() + "\n" + noSelMsg2,
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No )
if reply == QtGui.QMessageBox.Yes:
passiveLayer.invertSelection()
else:
return None
idsToProcess = []
for aFeat in passiveLayer.selectedFeatures():
idsToProcess.append(aFeat.id())
if clipperLayer.selectedFeatureCount() > 0:
# determine srs, we work in the project's srs
clipperCRSSrsid = clipperLayer.crs().srsid()
passiveCRSSrsid = passiveLayer.crs().srsid()
mc = self.iface.mapCanvas()
renderer = mc.mapRenderer()
projectCRSSrsid = renderer.destinationCrs().srsid()
passiveLayer.beginEditCommand(
QtCore.QCoreApplication.translate(
"editcommand", "Clip Features"
))
featuresBeingClipped = 0
for feat in clipperLayer.selectedFeatures():
clipperGeom = QgsGeometry(feat.geometry())
if not clipperGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(clipperLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
if clipperCRSSrsid != projectCRSSrsid:
clipperGeom.transform(QgsCoordinateTransform(
clipperCRSSrsid, projectCRSSrsid
))
bbox = clipperGeom.boundingBox()
passiveLayer.select(bbox, False) # make a new selection
for selFeat in passiveLayer.selectedFeatures():
if idsToProcess.count(selFeat.id()) == 0:
continue
selGeom = QgsGeometry(selFeat.geometry())
if not selGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(passiveLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
if passiveCRSSrsid != projectCRSSrsid:
selGeom.transform(
QgsCoordinateTransform(passiveCRSSrsid,
projectCRSSrsid
))
if clipperGeom.intersects(selGeom): # we have a candidate
newGeom = selGeom.intersection(clipperGeom)
if newGeom != None:
if not newGeom.isGeosEmpty():
if passiveCRSSrsid != projectCRSSrsid:
newGeom.transform(QgsCoordinateTransform(
projectCRSSrsid, passiveCRSSrsid))
selFeat.setGeometry(newGeom)
passiveLayer.updateFeature(selFeat)
featuresBeingClipped += 1
if featuresBeingClipped == 0:
passiveLayer.destroyEditCommand()
else:
passiveLayer.endEditCommand()
passiveLayer.removeSelection()
self.iface.mapCanvas().refresh()
def process(self):
'''Function that does all the real work'''
title = QtCore.QCoreApplication.translate("digitizingtools", "Cutter")
showEmptyWarning = True
choice = None
fidsToDelete = []
cutterLayer = dtutils.dtChooseVectorLayer(self.iface, 2, msg = QtCore.QCoreApplication.translate("digitizingtools", "cutter layer"))
if cutterLayer == None:
self.iface.messageBar().pushMessage(title, QtCore.QCoreApplication.translate("digitizingtools", "Please provide a polygon layer to cut with."))
else:
passiveLayer = self.iface.activeLayer()
if cutterLayer.selectedFeatureCount() == 0:
msgLst = dtutils.dtGetNoSelMessage()
noSelMsg1 = msgLst[0]
noSelMsg2 = msgLst[1]
reply = QtGui.QMessageBox.question(None, title,
noSelMsg1 + " " + cutterLayer.name() + "\n" + noSelMsg2,
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No )
if reply == QtGui.QMessageBox.Yes:
cutterLayer.invertSelection()
else:
return None
if passiveLayer.selectedFeatureCount() == 0:
msgLst = dtutils.dtGetNoSelMessage()
noSelMsg1 = msgLst[0]
noSelMsg2 = msgLst[1]
reply = QtGui.QMessageBox.question(None, title,
noSelMsg1 + " " + passiveLayer.name() + "\n" + noSelMsg2,
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No )
if reply == QtGui.QMessageBox.Yes:
passiveLayer.invertSelection()
else:
return None
idsToProcess = []
for aFeat in passiveLayer.selectedFeatures():
idsToProcess.append(aFeat.id())
if cutterLayer.selectedFeatureCount() > 0:
# determine srs, we work in the project's srs
cutterCRSSrsid = cutterLayer.crs().srsid()
passiveCRSSrsid = passiveLayer.crs().srsid()
mc = self.iface.mapCanvas()
renderer = mc.mapRenderer()
projectCRSSrsid = renderer.destinationCrs().srsid()
passiveLayer.beginEditCommand(QtCore.QCoreApplication.translate("editcommand", "Cut Features"))
featuresBeingCut = 0
for feat in cutterLayer.selectedFeatures():
cutterGeom = QgsGeometry(feat.geometry())
if not cutterGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(cutterLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
if cutterCRSSrsid != projectCRSSrsid:
cutterGeom.transform(QgsCoordinateTransform(cutterCRSSrsid, projectCRSSrsid))
bbox = cutterGeom.boundingBox()
passiveLayer.select(bbox, False) # make a new selection
for selFeat in passiveLayer.selectedFeatures():
if idsToProcess.count(selFeat.id()) == 0:
continue
selGeom = QgsGeometry(selFeat.geometry())
if not selGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(passiveLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
if passiveCRSSrsid != projectCRSSrsid:
selGeom.transform(QgsCoordinateTransform(passiveCRSSrsid, projectCRSSrsid))
if cutterGeom.intersects(selGeom): # we have a candidate
newGeom = selGeom.difference(cutterGeom)
if newGeom != None:
if newGeom.isGeosEmpty():
#selGeom is completely contained in cutterGeom
if showEmptyWarning:
choice = QtGui.QMessageBox.question(None, title,
QtCore.QCoreApplication.translate("digitizingtools",
"A feature would be completely removed by cutting. Delete this feature\'s dataset altogether?"),
QtGui.QMessageBox.Yes | QtGui.QMessageBox.YesToAll | QtGui.QMessageBox.No | QtGui.QMessageBox.NoToAll | QtGui.QMessageBox.Cancel)
if choice == QtGui.QMessageBox.Cancel:
passiveLayer.destroyEditCommand()
return None
else:
showEmptyWarning = (choice == QtGui.QMessageBox.Yes or choice == QtGui.QMessageBox.No)
if choice == QtGui.QMessageBox.Yes or choice == QtGui.QMessageBox.YesToAll:
fidsToDelete.append(selFeat.id())
else:
if passiveCRSSrsid != projectCRSSrsid:
newGeom.transform(QgsCoordinateTransform( projectCRSSrsid, passiveCRSSrsid))
selFeat.setGeometry(newGeom)
passiveLayer.updateFeature(selFeat)
#if passiveLayer.changeGeometry(selFeat.id(), newGeom):
featuresBeingCut += 1
if featuresBeingCut > 0:
passiveLayer.endEditCommand()
else:
passiveLayer.destroyEditCommand()
passiveLayer.removeSelection()
if len(fidsToDelete) > 0:
passiveLayer.beginEditCommand(QtCore.QCoreApplication.translate("editcommand", "Delete Features"))
for fid in fidsToDelete:
if not passiveLayer.deleteFeature(fid):
passiveLayer.destroyEditCommand()
return None
passiveLayer.endEditCommand()
self.iface.mapCanvas().refresh()
def process(self):
'''Function that does all the real work'''
title = QtCore.QCoreApplication.translate("digitizingtools", "Cutter")
showEmptyWarning = True
choice = None
fidsToDelete = []
processLayer = self.iface.activeLayer()
if processLayer.selectedFeatureCount() == 0:
msgLst = dtutils.dtGetNoSelMessage()
noSelMsg1 = msgLst[0]
noSelMsg2 = msgLst[1]
else:
cutterGeoms = []
for feat in processLayer.selectedFeatures():
cutterGeom = feat.geometry()
if not cutterGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(processLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
else:
cutterGeoms.append(cutterGeom)
if len(cutterGeoms) == 0:
return None # could be only invalid geoms selected
processLayer.invertSelection()
idsToProcess = []
for aFeat in processLayer.selectedFeatures():
# was: if isSameLayer:
# for aFeat in processLayer.getFeatures()
idsToProcess.append(aFeat.id())
processLayer.beginEditCommand(QtCore.QCoreApplication.translate("editcommand", "Cut Features"))
featuresBeingCut = 0
noMatchWarning = dtutils.dtGetNotMatchingGeomWarning(processLayer)
for cutterGeom in cutterGeoms:
if cutterGeom.wkbType() == 6:
cutterGeom = QgsGeometry.fromMultiPolygonXY(cutterGeom.asMultiPolygon())
else:
cutterGeom = QgsGeometry.fromPolygonXY(cutterGeom.asPolygon())
bbox = cutterGeom.boundingBox()
processLayer.selectByRect(bbox) # make a new selection
for selFeat in processLayer.selectedFeatures():
if idsToProcess.count(selFeat.id()) == 0:
continue
selGeom = selFeat.geometry()
if selGeom.isGeosEqual(cutterGeom):
continue # do not cut the same geometry
if not selGeom.isGeosValid():
thisWarning = dtutils.dtGetInvalidGeomWarning(processLayer)
dtutils.dtShowWarning(self.iface, thisWarning)
continue
if cutterGeom.intersects(selGeom): # we have a candidate
newGeom = selGeom.difference(cutterGeom)
if newGeom != None:
if newGeom.isEmpty() or newGeom.area() == 0:
#selGeom is completely contained in cutterGeom
if showEmptyWarning:
choice = QtWidgets.QMessageBox.question(None, title,
QtCore.QCoreApplication.translate("digitizingtools",
"A feature would be completely removed by cutting. Delete this feature\'s dataset altogether?"),
QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.YesToAll |
QtWidgets.QMessageBox.No | QtWidgets.QMessageBox.NoToAll |
QtWidgets.QMessageBox.Cancel)
if choice == QtWidgets.QMessageBox.Cancel:
processLayer.destroyEditCommand()
processLayer.removeSelection()
return None
else:
showEmptyWarning = (choice == QtWidgets.QMessageBox.Yes or choice == QtWidgets.QMessageBox.No)
if choice == QtWidgets.QMessageBox.Yes or choice == QtWidgets.QMessageBox.YesToAll:
fidsToDelete.append(selFeat.id())
else:
if not self.geometryTypeMatchesLayer(processLayer, newGeom):
newMsg = QtCore.QCoreApplication.translate(
"digitizingtools", "New geometry")
dtutils.dtShowWarning(self.iface, newMsg + ": " + noMatchWarning)
selFeat.setGeometry(newGeom)
processLayer.updateFeature(selFeat)
featuresBeingCut += 1
if len(fidsToDelete) > 0:
for fid in fidsToDelete:
if not processLayer.deleteFeature(fid):
processLayer.destroyEditCommand()
return None
if featuresBeingCut > 0 or len(fidsToDelete) > 0:
processLayer.endEditCommand()
else: # nothing happened
processLayer.destroyEditCommand()
processLayer.removeSelection()
self.iface.mapCanvas().refresh()