22806: EDF SMESH: Regression: Prism_3D error

[modules/smesh.git] / src / SMESH / SMESH_Mesh.cxx

diff --git a/src/SMESH/SMESH_Mesh.cxx b/src/SMESH/SMESH_Mesh.cxx
index 8b27cba540b680b93615827cc5839de99b88cd20..72d7ef193b7e9c3950ba27c43e99c3a6db75bfdb 100644 (file)
--- a/src/SMESH/SMESH_Mesh.cxx
+++ b/src/SMESH/SMESH_Mesh.cxx
@@ -330,7 +330,8 @@ double SMESH_Mesh::GetShapeDiagonalSize(const TopoDS_Shape & aShape)
   if ( !aShape.IsNull() ) {
     Bnd_Box Box;
     GEOMUtils::PreciseBoundingBox(aShape, Box);
   if ( !aShape.IsNull() ) {
     Bnd_Box Box;
     GEOMUtils::PreciseBoundingBox(aShape, Box);

-    return sqrt( Box.SquareExtent() );
+    if ( !Box.IsVoid() )
+      return sqrt( Box.SquareExtent() );

   }
   return 0;
 }
   }
   return 0;
 }