fix for element-based views

Post/OctreePost.cpp

-// $Id: OctreePost.cpp,v 1.9 2008-03-29 21:36:30 geuzaine Exp $
+// $Id: OctreePost.cpp,v 1.10 2008-03-30 15:37:42 geuzaine Exp $
 //
 // Copyright (C) 1997-2008 C. Geuzaine, J.-F. Remacle
 //
@@ -420,8 +420,12 @@ bool OctreePost::_getValue(void *in, int nbComp, double P[3], int timestep, doub
   MElement *e = (MElement*)in;
 
   int dataIndex[8];
+  if(_theViewDataGModel->getType() == PViewDataGModel::NodeData)
     for(int i = 0; i < e->getNumVertices(); i++)
       dataIndex[i] = e->getVertex(i)->getNum();
+  else
+    for(int i = 0; i < e->getNumVertices(); i++)
+      dataIndex[i] = e->getNum();
     
   double U[3];
   e->xyz2uvw(P, U);