fix #7172 and #7174

jef-n · jef-n · commit d8ec492dec2f · 2013-02-17T22:21:34.000+01:00
diff --git a/python/plugins/fTools/tools/doGeoprocessing.py b/python/plugins/fTools/tools/doGeoprocessing.py
@@ -1245,6 +1245,8 @@ def union( self ):
   def symetrical_difference( self ):
     GEOS_EXCEPT = True
     FEATURE_EXCEPT = True
+    vproviderA = self.vlayerA.dataProvider()
+    vproviderB = self.vlayerB.dataProvider()
 
     # check for crs compatibility
     crsA = vproviderA.crs()
@@ -1340,6 +1342,8 @@ def symetrical_difference( self ):
   def clip( self ):
     GEOS_EXCEPT = True
     FEATURE_EXCEPT = True
+    vproviderA = self.vlayerA.dataProvider()
+    vproviderB = self.vlayerB.dataProvider()
 
     # check for crs compatibility
     crsA = vproviderA.crs()
