X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSMESHUtils%2FSMESH_MAT2d.cxx;h=4ed2cb202b8ac89e29188b07a9dbd05426fa7b2c;hb=34a8a37aeeeda95e0e2dad6cdf51b45bbde5cbb8;hp=5469f476c6a70c901c0b5af5caf315739ce038bf;hpb=ecea056f6165eddf99403a8648657a9a573bcbe0;p=modules%2Fsmesh.git

diff --git a/src/SMESHUtils/SMESH_MAT2d.cxx b/src/SMESHUtils/SMESH_MAT2d.cxx
index 5469f476c..4ed2cb202 100644
--- a/src/SMESHUtils/SMESH_MAT2d.cxx
+++ b/src/SMESHUtils/SMESH_MAT2d.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2019  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2021  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
@@ -420,6 +420,8 @@ namespace
 
   void bndSegsToMesh( const vector< vector< BndSeg > >& bndSegsPerEdge )
   {
+    if ( bndSegsPerEdge.empty() )
+      return;
 #ifdef _MYDEBUG_
     if ( !getenv("bndSegsToMesh")) return;
     map< const TVDVertex *, int > v2Node;
@@ -1077,6 +1079,11 @@ namespace
           }
         }
 
+        else // 2D_mesh_QuadranglePreference_00/A1, bos20144.brep
+        {
+          continue; // bndSegs.size() == 1
+        }
+
         bndSegs[i].setBranch( branchID, bndSegsPerEdge ); // set to i-th and to the opposite bndSeg
         if ( bndSegs[i].hasOppositeEdge() )
           branchEdges[ bndSegs[i].branchID() ].push_back( bndSegs[i]._edge );