Fix beforeVertex - afterVertex mistake for linear referencing

qgis · Apr 16, 2012 · a4017a2 · a4017a2
1 parent a4fa5b1
commit a4017a2
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/analysis/vector/qgsgeometryanalyzer.cpp b/src/analysis/vector/qgsgeometryanalyzer.cpp
@@ -1158,10 +1158,10 @@ QgsPoint QgsGeometryAnalyzer::createPointOffset( double x, double y, double dist
 {
   QgsPoint p( x, y );
   QgsPoint minDistPoint;
-  int beforeVertexNr;
-  lineGeom->closestSegmentWithContext( p, minDistPoint, beforeVertexNr );
+  int afterVertexNr;
+  lineGeom->closestSegmentWithContext( p, minDistPoint, afterVertexNr );
 
-  int afterVertexNr = beforeVertexNr + 1;
+  int beforeVertexNr = afterVertexNr - 1;
   QgsPoint beforeVertex = lineGeom->vertexAt( beforeVertexNr );
   QgsPoint afterVertex = lineGeom->vertexAt( afterVertexNr );