IPAL21120 SIGSEGV on Meshing attached Compound with Automatic Hexadralization

[modules/smesh.git] / src / StdMeshers / StdMeshers_Projection_2D.cxx

diff --git a/src/StdMeshers/StdMeshers_Projection_2D.cxx b/src/StdMeshers/StdMeshers_Projection_2D.cxx
index 7f193fbf93f32f33010412a992f94c1dc7e4dae5..af75b6a4ff1aa62db7b758b17ee29163f13de3e2 100644 (file)
--- a/src/StdMeshers/StdMeshers_Projection_2D.cxx
+++ b/src/StdMeshers/StdMeshers_Projection_2D.cxx
@@ -1,32 +1,30 @@
-//  SMESH SMESH : implementaion of SMESH idl descriptions
+//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
 //
-//  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
-// 
-//  This library is free software; you can redistribute it and/or 
-//  modify it under the terms of the GNU Lesser General Public 
-//  License as published by the Free Software Foundation; either 
-//  version 2.1 of the License. 
-// 
-//  This library is distributed in the hope that it will be useful, 
-//  but WITHOUT ANY WARRANTY; without even the implied warranty of 
-//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
-//  Lesser General Public License for more details. 
-// 
-//  You should have received a copy of the GNU Lesser General Public 
-//  License along with this library; if not, write to the Free Software 
-//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
-// 
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2.1 of the License.
 //
+//  This library is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+//  Lesser General Public License for more details.
 //
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 //
+//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+//  SMESH SMESH : implementaion of SMESH idl descriptions
 // File      : StdMeshers_Projection_2D.cxx
 // Module    : SMESH
 // Created   : Fri Oct 20 11:37:07 2006
 // Author    : Edward AGAPOV (eap)
-
-
+//
 #include "StdMeshers_Projection_2D.hxx"
 
 #include "StdMeshers_ProjectionSource2D.hxx"
@@ -417,18 +415,20 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape&
   // Check if node projection to a face is needed
   Bnd_B2d uvBox;
   SMDS_ElemIteratorPtr faceIt = srcSubMesh->GetSubMeshDS()->GetElements();
-  for ( int nbN = 0; nbN < 3 && faceIt->more();  ) {
+  int nbFaceNodes = 0;
+  for ( ; nbFaceNodes < 3 && faceIt->more();  ) {
     const SMDS_MeshElement* face = faceIt->next();
     SMDS_ElemIteratorPtr nodeIt = face->nodesIterator();
     while ( nodeIt->more() ) {
       const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
       if ( node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
-        nbN++;
+        nbFaceNodes++;
         uvBox.Add( helper.GetNodeUV( srcFace, node ));
       }
     }
   }
-  const bool toProjectNodes = ( uvBox.IsVoid() || uvBox.SquareExtent() < DBL_MIN );
+  const bool toProjectNodes =
+    ( nbFaceNodes > 0 && ( uvBox.IsVoid() || uvBox.SquareExtent() < DBL_MIN ));
 
   // Load pattern from the source face
   SMESH_Pattern mapper;