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[processing] stop algorithm execution if geometry/feature error occured

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(fix #11986)
This commit is contained in:
Alexander Bruy 2017-05-13 09:45:37 +03:00
parent 75e95024f4
commit c620c7c306
1 changed files with 9 additions and 5 deletions
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14
python/plugins/processing/algs/qgis/Intersection.py
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@ -36,6 +36,7 @@ from qgis.core import (QgsFeatureRequest,
QgsMessageLog,
QgsProcessingUtils)
from processing.core.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException
from processing.core.GeoAlgorithm import GeoAlgorithm
from processing.core.parameters import ParameterVector
from processing.core.outputs import OutputVector
@ -114,9 +115,10 @@ class Intersection(GeoAlgorithm):
int_sym = geom.symDifference(tmpGeom)
int_geom = QgsGeometry(int_com.difference(int_sym))
if int_geom.isEmpty() or not int_geom.isGeosValid():
QgsMessageLog.logMessage(self.tr('GEOS geoprocessing error: One or '
'more input features have invalid '
'geometry.'), self.tr('Processing'), QgsMessageLog.CRITICAL)
raise GeoAlgorithmExecutionException(
self.tr('GEOS geoprocessing error: One or '
'more input features have invalid '
'geometry.'))
try:
if int_geom.wkbType() in wkbTypeGroups[wkbTypeGroups[int_geom.wkbType()]]:
outFeat.setGeometry(int_geom)
@ -126,7 +128,9 @@ class Intersection(GeoAlgorithm):
outFeat.setAttributes(attrs)
writer.addFeature(outFeat)
except:
QgsMessageLog.logMessage(self.tr('Feature geometry error: One or more output features ignored due to invalid geometry.'), self.tr('Processing'), QgsMessageLog.INFO)
continue
raise GeoAlgorithmExecutionException(
self.tr('Feature geometry error: One or more '
'output features ignored due to invalid '
'geometry.'))
del writer