[geos-commits] r2481 - in trunk/source: headers/geos/noding noding
svn_geos at osgeo.org
svn_geos at osgeo.org
Wed May 6 13:54:38 EDT 2009
Author: strk
Date: 2009-05-06 13:54:38 -0400 (Wed, 06 May 2009)
New Revision: 2481
Modified:
trunk/source/headers/geos/noding/SegmentNodeList.h
trunk/source/noding/SegmentNodeList.cpp
Log:
findCollapsesFromExistingVertices: don't choke on sets of < 2 points. Fixes bug #219.
Modified: trunk/source/headers/geos/noding/SegmentNodeList.h
===================================================================
--- trunk/source/headers/geos/noding/SegmentNodeList.h 2009-05-06 17:52:01 UTC (rev 2480)
+++ trunk/source/headers/geos/noding/SegmentNodeList.h 2009-05-06 17:54:38 UTC (rev 2481)
@@ -13,7 +13,7 @@
*
**********************************************************************
*
- * Last port: noding/SegmentNodeList.java rev. 1.8 (JTS-1.9)
+ * Last port: noding/SegmentNodeList.java rev. 1.8 (JTS-1.10)
*
**********************************************************************/
Modified: trunk/source/noding/SegmentNodeList.cpp
===================================================================
--- trunk/source/noding/SegmentNodeList.cpp 2009-05-06 17:52:01 UTC (rev 2480)
+++ trunk/source/noding/SegmentNodeList.cpp 2009-05-06 17:54:38 UTC (rev 2481)
@@ -14,7 +14,7 @@
*
**********************************************************************
*
- * Last port: noding/SegmentNodeList.java rev. 1.8 (JTS-1.9)
+ * Last port: noding/SegmentNodeList.java rev. 1.8 (JTS-1.10)
*
**********************************************************************/
@@ -120,10 +120,11 @@
SegmentNodeList::findCollapsesFromExistingVertices(
std::vector<size_t>& collapsedVertexIndexes)
{
+ if ( edge.size() < 2 ) return; // or we'll never exit the loop below
+
for (size_t i=0, n=edge.size()-2; i<n; ++i)
{
const Coordinate& p0 = edge.getCoordinate(i);
- //const Coordinate& p1 = edge.getCoordinate(i + 1);
const Coordinate& p2 = edge.getCoordinate(i + 2);
if (p0.equals2D(p2)) {
// add base of collapse as node
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