52566]: TC7.5.0: Empty group of Balls at Diameter Equal to filter

[modules/smesh.git] / src / StdMeshers / StdMeshers_Import_1D2D.cxx

diff --git a/src/StdMeshers/StdMeshers_Import_1D2D.cxx b/src/StdMeshers/StdMeshers_Import_1D2D.cxx
index 4b54fa774c58e82d8ab8ab9e5b8a01df35c899f3..636cd73ec006e4eec21bdfd1a88121e092febb41 100644 (file)
--- a/src/StdMeshers/StdMeshers_Import_1D2D.cxx
+++ b/src/StdMeshers/StdMeshers_Import_1D2D.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2013  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2014  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
@@ -6,7 +6,7 @@
 // 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.
+// version 2.1 of the License, or (at your option) any later version.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -97,6 +97,7 @@ StdMeshers_Import_1D2D::StdMeshers_Import_1D2D(int hypId, int studyId, SMESH_Gen
 
   _compatibleHypothesis.push_back("ImportSource2D");
   _requireDiscreteBoundary = false;
+  _supportSubmeshes = true;
 }
 
 //=============================================================================
@@ -280,7 +281,8 @@ bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape &
         {
           // find a pre-existing node
           dist2foundNodes.clear();
-          if ( existingNodeOcTr.NodesAround( SMESH_TNodeXYZ( *node ), dist2foundNodes, groupTol ))
+          existingNodeOcTr.NodesAround( SMESH_TNodeXYZ( *node ), dist2foundNodes, groupTol );
+          if ( !dist2foundNodes.empty() )
             (*n2nIt).second = dist2foundNodes.begin()->second;
         }
         if ( !n2nIt->second )