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[processing] skip invalid geometries when dissolving (fix #13752)

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This commit is contained in:
Alexander Bruy 2016-01-18 14:20:41 +02:00
parent d2c1668a66
commit 62a571d6dd
1 changed files with 6 additions and 0 deletions
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6
python/plugins/processing/algs/qgis/Dissolve.py
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@ -71,10 +71,14 @@ class Dissolve(GeoAlgorithm):
if first:
attrs = inFeat.attributes()
tmpInGeom = QgsGeometry(inFeat.geometry())
if tmpInGeom.isGeosEmpty() or not tmpInGeom.isGeosValid():
continue
outFeat.setGeometry(tmpInGeom)
first = False
else:
tmpInGeom = QgsGeometry(inFeat.geometry())
if tmpInGeom.isGeosEmpty() or not tmpInGeom.isGeosValid():
continue
tmpOutGeom = QgsGeometry(outFeat.geometry())
try:
tmpOutGeom = QgsGeometry(tmpOutGeom.combine(tmpInGeom))
@ -100,6 +104,8 @@ class Dissolve(GeoAlgorithm):
attrs = inFeat.attributes()
tempItem = attrs[fieldIdx]
tmpInGeom = QgsGeometry(inFeat.geometry())
if tmpInGeom.isGeosEmpty() or not tmpInGeom.isGeosValid():
continue
if attrDict[unicode(tempItem).strip()] == None:
# keep attributes of first feature