[QGIS Commit] r10971 - trunk/qgis/src/plugins/interpolation

[svn_qgis at osgeo.org]

Author: mhugent
Date: 2009-06-23 09:56:22 -0400 (Tue, 23 Jun 2009)
New Revision: 10971

Modified:
   trunk/qgis/src/plugins/interpolation/DualEdgeTriangulation.cc
Log:
Remove a potential source of crash in triangle interpolator

Modified: trunk/qgis/src/plugins/interpolation/DualEdgeTriangulation.cc
===================================================================
--- trunk/qgis/src/plugins/interpolation/DualEdgeTriangulation.cc	2009-06-23 13:21:02 UTC (rev 10970)
+++ trunk/qgis/src/plugins/interpolation/DualEdgeTriangulation.cc	2009-06-23 13:56:22 UTC (rev 10971)
@@ -1121,6 +1121,10 @@
       int ptnr1 = mHalfEdge[edge1]->getPoint();
       int ptnr2 = mHalfEdge[edge2]->getPoint();
       int ptnr3 = mHalfEdge[edge3]->getPoint();
+      if(ptnr1 == -1 || ptnr2 == -1 || ptnr3 == -1)
+      {
+        return false;
+      }
       p1->setX( mPointVector[ptnr1]->getX() );
       p1->setY( mPointVector[ptnr1]->getY() );
       p1->setZ( mPointVector[ptnr1]->getZ() );