[geos-commits] r2518 - branches/3.1/source/geomgraph

[svn_geos at osgeo.org]

Author: pramsey
Date: 2009-05-27 13:56:34 -0400 (Wed, 27 May 2009)
New Revision: 2518

Modified:
   branches/3.1/source/geomgraph/GeometryGraph.cpp
Log:
Back-port fix from trunk r2489 for #234


Modified: branches/3.1/source/geomgraph/GeometryGraph.cpp
===================================================================
--- branches/3.1/source/geomgraph/GeometryGraph.cpp	2009-05-27 17:21:09 UTC (rev 2517)
+++ branches/3.1/source/geomgraph/GeometryGraph.cpp	2009-05-27 17:56:34 UTC (rev 2518)
@@ -227,8 +227,9 @@
 GeometryGraph::addPolygonRing(const LinearRing *lr, int cwLeft, int cwRight)
 	// throw IllegalArgumentException (see below)
 {
-	const CoordinateSequence *lrcl;
-	lrcl = lr->getCoordinatesRO();
+	// skip empty component (see bug #234) 
+	if ( lr->isEmpty() ) return; 
+	CoordinateSequence *lrcl = lr->getCoordinatesRO(); 	
 	CoordinateSequence* coord=CoordinateSequence::removeRepeatedPoints(lrcl);
 	if (coord->getSize()<4) {
 		hasTooFewPointsVar=true;