From 8d75206ca6250c6df16487bafd19e1342f97fa9c Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Thu, 10 Oct 2013 10:28:16 +0000
Subject: [PATCH] Pb: nothing is generated on several-solids shape if there is
 a sub-mesh on an empty geom group.

---
 src/NETGENPlugin/NETGENPlugin_Mesher.cxx | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/NETGENPlugin/NETGENPlugin_Mesher.cxx b/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
index 86736d5..8c95376 100644
--- a/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
+++ b/src/NETGENPlugin/NETGENPlugin_Mesher.cxx
@@ -518,8 +518,9 @@ void NETGENPlugin_Mesher::PrepareOCCgeometry(netgen::OCCGeometry&     occgeo,
 
   // get root submeshes
   list< SMESH_subMesh* > rootSM;
-  if ( SMESH_subMesh* sm = mesh.GetSubMeshContaining( shape )) {
-    rootSM.push_back( sm );
+  const int shapeID = mesh.GetMeshDS()->ShapeToIndex( shape );
+  if ( shapeID > 0 ) { // SMESH_subMesh with ID 0 may exist, don't use it!
+    rootSM.push_back( mesh.GetSubMesh( shape ));
   }
   else {
     for ( TopoDS_Iterator it( shape ); it.More(); it.Next() )
@@ -2968,6 +2969,8 @@ double NETGENPlugin_Mesher::GetProgress(const SMESH_Algo* holder,
 {
   ((int&) _progressTic ) = *algoProgressTic + 1;
 
+  if ( !_occgeom ) return 0;
+
   double progress = -1;
   if ( !_isVolume )
   {
-- 
2.39.2