[QGIS Commit] r8282 - trunk/qgis/src/core/renderer

[svn_qgis at osgeo.org]

Author: jef
Date: 2008-03-26 04:30:20 -0400 (Wed, 26 Mar 2008)
New Revision: 8282

Modified:
   trunk/qgis/src/core/renderer/qgscontinuouscolorrenderer.cpp
Log:
fix other aspect of #962

Modified: trunk/qgis/src/core/renderer/qgscontinuouscolorrenderer.cpp
===================================================================
--- trunk/qgis/src/core/renderer/qgscontinuouscolorrenderer.cpp	2008-03-26 03:16:41 UTC (rev 8281)
+++ trunk/qgis/src/core/renderer/qgscontinuouscolorrenderer.cpp	2008-03-26 08:30:20 UTC (rev 8282)
@@ -79,6 +79,8 @@
   {
     //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();