fix #1682

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@10753 c8812cc2-4d05-0410-92ff-de0c093fc19c
qgis · May 7, 2009 · 0d1ab92 · 0d1ab92
1 parent acd619f
commit 0d1ab92
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/core/raster/qgsrasterlayer.cpp b/src/core/raster/qgsrasterlayer.cpp
@@ -712,7 +712,14 @@ const QgsRasterBandStats QgsRasterLayer::bandStatistics( int theBandNo )
     QgsRasterBandStats myNullReturnStats;
     return myNullReturnStats;
   }
+
   // check if we have previously gathered stats for this band...
+  if ( theBandNo < 1 || theBandNo > mRasterStatsList.size() )
+  {
+    // invalid band id, return nothing
+    QgsRasterBandStats myNullReturnStats;
+    return myNullReturnStats;
+  }
 
   QgsRasterBandStats myRasterBandStats = mRasterStatsList[theBandNo - 1];
   myRasterBandStats.bandNumber = theBandNo;