X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FSMESHDS%2FSMESHDS_GroupBase.cxx;h=50ac2ee748e09f96756ada094b685c4dd0c3026a;hp=818c52009306bfed4f4b76d5096f4f8543377c49;hb=0fc0831670e27a5611b941c52dc152fd63964515;hpb=7eda9ca931ed2a11cb5e4637e4ffe19f5c061115

diff --git a/src/SMESHDS/SMESHDS_GroupBase.cxx b/src/SMESHDS/SMESHDS_GroupBase.cxx
index 818c52009..50ac2ee74 100644
--- a/src/SMESHDS/SMESHDS_GroupBase.cxx
+++ b/src/SMESHDS/SMESHDS_GroupBase.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2020  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
@@ -51,7 +51,7 @@ SMESHDS_GroupBase::SMESHDS_GroupBase (const int                 theID,
 
 //=============================================================================
 /*!
- *  
+ *  Don't use it!
  */
 //=============================================================================
 
@@ -124,6 +124,9 @@ int SMESHDS_GroupBase::Extent() const
 
 bool SMESHDS_GroupBase::IsEmpty()
 {
+  if ( myMesh->GetMeshInfo().NbElements( myType ) == 0 )
+    // avoid long iteration over sub-meshes of a complex sub-mesh of a group on geometry
+    return true;
   SMDS_ElemIteratorPtr it = GetElements();
   return ( !it || !it->more() );
 }