X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FSMESH_I%2FSMESH_Gen_i.cxx;h=bdaaa515f7d8796b96f7314da86ce92e022ccb96;hp=e8cd0a3df3dbaa072a35ba7617e73c430da65960;hb=09607afb276900e0f0a7b95a01751fe628020a39;hpb=8b6d98aa4acd8176f72ff5b96693bcfef0f9ebd5

diff --git a/src/SMESH_I/SMESH_Gen_i.cxx b/src/SMESH_I/SMESH_Gen_i.cxx
index e8cd0a3df..bdaaa515f 100644
--- a/src/SMESH_I/SMESH_Gen_i.cxx
+++ b/src/SMESH_I/SMESH_Gen_i.cxx
@@ -2485,10 +2485,13 @@ SMESH_Gen_i::ConcatenateCommon(const SMESH::ListOfIDSources& theMeshesArray,
 
     // assure that IDs increments by one during iteration
     ::SMESH_Mesh& initLocMesh = initImpl->GetImpl();
-    SMESHDS_Mesh* initMeshDS = initLocMesh.GetMeshDS();
-    if ( initMeshDS->MaxNodeID()    != initMeshDS->NbNodes() ||
-         initMeshDS->MaxElementID() != initMeshDS->NbElements() )
+    SMESHDS_Mesh*  initMeshDS = initLocMesh.GetMeshDS();
+    if ( initMeshDS->MaxNodeID()    > initMeshDS->NbNodes() ||
+         initMeshDS->MaxElementID() > initMeshDS->NbElements() )
+    {
+      initMeshDS->Modified();
       initMeshDS->CompactMesh();
+    }
 
     // remember nb of elements before filling in
     SMESH::long_array_var prevState =  newMesh->GetNbElementsByType();