def splitPolygon(self, splitLine, createNewEntities):
"""
divide il poligono corrente usando una polilinea con i vertci in <plineVertices> in modo da generare o meno nuove entità
"""
layerList = []
layerList.append(self.poligonEntity.layer)
splitLineTransformed = self.mapToLayerCoordinates(
self.poligonEntity.layer, splitLine)
f = self.poligonEntity.getFeature()
geom = f.geometry()
result, newGeoms, topologyTestPts = geom.splitGeometry(
splitLineTransformed, False)
if result <> 0 or len(newGeoms) == 0:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newfeatures = []
if createNewEntities:
for newGeom in newGeoms:
newfeature = QgsFeature(f)
newfeature.setGeometry(newGeom)
newfeatures.append(newfeature)
else:
for newGeom in newGeoms:
# Riduco la geometria in point o polyline
simplifiedGeoms = qad_utils.asPointOrPolyline(newGeom)
for simplifiedGeom in simplifiedGeoms:
points = simplifiedGeom.asPolyline() # vettore di punti
res = geom.addPart(points)
f.setGeometry(geom)
self.plugIn.beginEditCommand("Feature edited", layerList)
# plugIn, layer, feature, refresh, check_validity
if qad_layer.updateFeatureToLayer(self.plugIn,
self.poligonEntity.layer, f, False,
False) == False:
self.plugIn.destroyEditCommand()
return False
if len(newfeatures) > 0:
# plugIn, layer, features, coordTransform, refresh, check_validity
if qad_layer.addFeaturesToLayer(self.plugIn,
self.poligonEntity.layer,
newfeatures, None, False,
False) == False:
self.plugIn.destroyEditCommand()
return
self.plugIn.endEditCommand()
self.nOperationsToUndo = self.nOperationsToUndo + 1
return True
def splitPolygon(self, splitLine, createNewEntities):
"""
divide il poligono corrente usando una polilinea con i vertci in <plineVertices> in modo da generare o meno nuove entità
"""
layerList = []
layerList.append(self.poligonEntity.layer)
splitLineTransformed = self.mapToLayerCoordinates(self.poligonEntity.layer, splitLine)
f = self.poligonEntity.getFeature()
geom = f.geometry()
result, newGeoms, topologyTestPts = geom.splitGeometry(splitLineTransformed, False)
if result <> 0 or len(newGeoms) == 0:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newfeatures = []
if createNewEntities:
for newGeom in newGeoms:
newfeature = QgsFeature(f)
newfeature.setGeometry(newGeom)
newfeatures.append(newfeature)
else:
for newGeom in newGeoms:
# Riduco la geometria in point o polyline
simplifiedGeoms = qad_utils.asPointOrPolyline(newGeom)
for simplifiedGeom in simplifiedGeoms:
points = simplifiedGeom.asPolyline() # vettore di punti
res = geom.addPart(points)
f.setGeometry(geom)
self.plugIn.beginEditCommand("Feature edited", layerList)
# plugIn, layer, feature, refresh, check_validity
if qad_layer.updateFeatureToLayer(self.plugIn, self.poligonEntity.layer, f, False, False) == False:
self.plugIn.destroyEditCommand()
return False
if len(newfeatures) > 0:
# plugIn, layer, features, coordTransform, refresh, check_validity
if (
qad_layer.addFeaturesToLayer(self.plugIn, self.poligonEntity.layer, newfeatures, None, False, False)
== False
):
self.plugIn.destroyEditCommand()
return
self.plugIn.endEditCommand()
self.nOperationsToUndo = self.nOperationsToUndo + 1
return True
def offsetGeoms(self, currLayer):
featuresLayers = [] # lista di (layer, features)
for f in self.featureCache:
layer = f[0]
feature = f[1]
found = False
for featuresLayer in featuresLayers:
if featuresLayer[0].id() == layer.id():
found = True
featuresLayer[1].append(feature)
break
# se non c'era ancora il layer
if not found:
featuresLayers.append([layer, [feature]])
layerList = []
for featuresLayer in featuresLayers:
layerList.append(featuresLayer[0])
PointTempLayer = None
LineTempLayer = None
PolygonTempLayer = None
self.plugIn.beginEditCommand("Feature offseted", layerList)
for featuresLayer in featuresLayers:
# filtro le features per tipo
pointGeoms, lineGeoms, polygonGeoms = qad_utils.filterFeaturesByType(featuresLayer[1], \
currLayer.geometryType())
# aggiungo le features con geometria del tipo corretto
if currLayer.geometryType() == QGis.Line:
polygonToLines = []
# Riduco le geometrie in linee
for g in polygonGeoms:
lines = qad_utils.asPointOrPolyline(g)
for l in lines:
if l.type() == QGis.Line:
polygonToLines.append(l)
# plugIn, layer, geoms, coordTransform , refresh, check_validity
if qad_layer.addGeomsToLayer(self.plugIn, currLayer, polygonToLines, None, False, False) == False:
self.plugIn.destroyEditCommand()
return
del polygonGeoms[:] # svuoto la lista
# plugIn, layer, features, coordTransform, refresh, check_validity
if qad_layer.addFeaturesToLayer(self.plugIn, currLayer, featuresLayer[1], None, False, False) == False:
self.plugIn.destroyEditCommand()
return
if pointGeoms is not None and len(pointGeoms) > 0 and PointTempLayer is None:
PointTempLayer = qad_layer.createQADTempLayer(self.plugIn, QGis.Point)
self.plugIn.addLayerToLastEditCommand("Feature offseted", PointTempLayer)
if lineGeoms is not None and len(lineGeoms) > 0 and LineTempLayer is None:
LineTempLayer = qad_layer.createQADTempLayer(self.plugIn, QGis.Line)
self.plugIn.addLayerToLastEditCommand("Feature offseted", LineTempLayer)
if polygonGeoms is not None and len(polygonGeoms) > 0 and PolygonTempLayer is None:
PolygonTempLayer = qad_layer.createQADTempLayer(self.plugIn, QGis.Polygon)
self.plugIn.addLayerToLastEditCommand("Feature offseted", PolygonTempLayer)
# aggiungo gli scarti nei layer temporanei di QAD
# trasformo la geometria in quella dei layer temporanei
# plugIn, pointGeoms, lineGeoms, polygonGeoms, coord, refresh
if qad_layer.addGeometriesToQADTempLayers(self.plugIn, pointGeoms, lineGeoms, polygonGeoms, \
featuresLayer[0].crs(), False) == False:
self.plugIn.destroyEditCommand()
return
self.plugIn.endEditCommand()
