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topology checker: catch difference error (fixes #7845)
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jef-n committed Jul 21, 2013
1 parent b4f282c commit 454778c7a5e0e3865fe21a80690ad8daec49ff8c
Showing with 5 additions and 0 deletions.
  1. +5 −0 src/plugins/topology/topolTest.cpp
@@ -694,6 +694,11 @@ ErrorList topolTest::checkGaps( double tolerance, QgsVectorLayer *layer1, QgsVec
//qDebug() << "extent wkt - " << bufferExtent->exportToWkt();

QgsGeometry* diffGeoms = bufferExtent->difference( &test );
if ( !diffGeoms )
{
qDebug() << "difference result 0-";
return errorList;
}

//qDebug() << "difference gometry - " << diffGeoms->exportToWkt() ;

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