Avoid too often Standard_OutOfRange

diff --git a/src/SMESHDS/SMESHDS_Mesh.cxx b/src/SMESHDS/SMESHDS_Mesh.cxx
index 089e9feecf52d3d2efe338179d855ae3a2eb1aa2..6766fbda76a822021b0426e748ef5dd874b84b67 100644 (file)
--- a/src/SMESHDS/SMESHDS_Mesh.cxx
+++ b/src/SMESHDS/SMESHDS_Mesh.cxx
@@ -1376,7 +1376,8 @@ const TopoDS_Shape& SMESHDS_Mesh::IndexToShape(int ShapeIndex) const
 {
   try
   {
-    return myIndexToShape.FindKey(ShapeIndex);
+    if ( ShapeIndex > 0 )
+      return myIndexToShape.FindKey(ShapeIndex);
   }
   catch ( Standard_OutOfRange )
   {