From: eap <eap@opencascade.com>
Date: Tue, 6 Mar 2018 10:56:46 +0000 (+0300)
Subject: Mesh Offset failure
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=3c93d6dcee0333fecf5d779d552f98301fe1b4bc;p=modules%2Fsmesh.git

Mesh Offset failure
---

diff --git a/src/SMESHUtils/SMESH_Offset.cxx b/src/SMESHUtils/SMESH_Offset.cxx
index 6f17aefca..efd648a74 100644
--- a/src/SMESHUtils/SMESH_Offset.cxx
+++ b/src/SMESHUtils/SMESH_Offset.cxx
@@ -682,9 +682,10 @@ namespace
           dot *= -1;
         if ( dot * theSign < 0 )
         {
-          gp_XYZ p1 = oldXYZ + faces[ i ].Norm()     * theOffset;
-          gp_XYZ p2 = oldXYZ + faces[ iPrev ].Norm() * theOffset;
-          useOneNormal = ( p1 - p2 ).SquareModulus() > theTol * theTol;
+          useOneNormal = true;
+          // gp_XYZ p1 = oldXYZ + faces[ i ].Norm()     * theOffset;
+          // gp_XYZ p2 = oldXYZ + faces[ iPrev ].Norm() * theOffset;
+          // useOneNormal = ( p1 - p2 ).SquareModulus() > theTol * theTol;
         }
       }
       if ( useOneNormal && theNewNode->isMarked() )
@@ -1393,7 +1394,8 @@ namespace
     for ( int is2nd = 0; is2nd < 2; ++is2nd )
     {
       const SMDS_MeshElement* f = is2nd ? myFace1 : myFace2;
-      const CutFace&         cf = myCutFaces.Added( CutFace( is2nd ? myFace2 : myFace1 ));
+      if ( !f ) continue;
+      const CutFace& cf = myCutFaces.Added( CutFace( is2nd ? myFace2 : myFace1 ));
       for ( size_t i = 0; i < cf.myLinks.size(); ++i )
         if ( cf.myLinks[i].myFace == f &&
              //cf.myLinks[i].myIndex != EdgePart::_COPLANAR &&