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=a9c378fd621ac033dcfdee2f95a71461ecbee1c8;hb=0fc0831670e27a5611b941c52dc152fd63964515;hpb=251f8c052dd12dd29922210dc901b295fe999a0e

diff --git a/src/SMESHDS/SMESHDS_GroupBase.cxx b/src/SMESHDS/SMESHDS_GroupBase.cxx
index a9c378fd6..50ac2ee74 100644
--- a/src/SMESHDS/SMESHDS_GroupBase.cxx
+++ b/src/SMESHDS/SMESHDS_GroupBase.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2015  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
@@ -32,6 +32,8 @@
 
 using namespace std;
 
+Quantity_Color SMESHDS_GroupBase::myDefaultColor = Quantity_Color( 0.0, 0.0, 0.0, Quantity_TOC_RGB );
+
 //=============================================================================
 /*!
  *  
@@ -44,12 +46,12 @@ SMESHDS_GroupBase::SMESHDS_GroupBase (const int                 theID,
        myID(theID), myMesh(theMesh), myType(theType), myStoreName(""),
        myCurIndex(0), myCurID(-1)
 {
-  myColor = Quantity_Color( 0.0, 0.0, 0.0, Quantity_TOC_RGB );
+  myColor = myDefaultColor;
 }
 
 //=============================================================================
 /*!
- *  
+ *  Don't use it!
  */
 //=============================================================================
 
@@ -122,6 +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() );
 }