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 = feat.geometry()
if splitterCRSSrsid != projectCRSSrsid:
splitterGeom.transform(
QgsCoordinateTransform(splitterCRSSrsid,
projectCRSSrsid))
for selFeat in passiveLayer.selectedFeatures():
selGeom = selFeat.geometry()
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 = 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", "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")
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()