fix other aspect of #962

git-svn-id: http://svn.osgeo.org/qgis/trunk@8282 c8812cc2-4d05-0410-92ff-de0c093fc19c
qgis · Mar 26, 2008 · b348437 · b348437
1 parent 838803a
commit b348437
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/core/renderer/qgscontinuouscolorrenderer.cpp b/src/core/renderer/qgscontinuouscolorrenderer.cpp
@@ -79,6 +79,8 @@ void QgsContinuousColorRenderer::renderFeature(QPainter * p, QgsFeature & f, QIm
   {
     //first find out the value for the classification attribute
     const QgsAttributeMap& attrs = f.attributeMap();
+    if( attrs[mClassificationField].isNull() )
+      return;
     double fvalue = attrs[mClassificationField].toDouble();
 
     //double fvalue = vec[mClassificationField].fieldValue().toDouble();