From b6c9c862b491312d17a4ddec74a9b6c5b96f5c11 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Tue, 19 May 2009 15:19:52 +0000
Subject: [PATCH] 0020279: [CEA 334] control the "random" use when using mesh
 algorithms     fix IsQuadraticSubMesh() to work on mesh w/o shape

---
 src/SMESH/SMESH_MesherHelper.cxx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/SMESH/SMESH_MesherHelper.cxx b/src/SMESH/SMESH_MesherHelper.cxx
index 35bfeef1a..dd0eabb69 100644
--- a/src/SMESH/SMESH_MesherHelper.cxx
+++ b/src/SMESH/SMESH_MesherHelper.cxx
@@ -27,7 +27,6 @@
 
 #include "SMDS_FacePosition.hxx" 
 #include "SMDS_EdgePosition.hxx"
-#include "SMESH_MeshEditor.hxx"
 
 #include <BRepAdaptor_Surface.hxx>
 #include <BRepTools.hxx>
@@ -80,6 +79,8 @@ bool SMESH_MesherHelper::IsQuadraticSubMesh(const TopoDS_Shape& aSh)
   TopAbs_ShapeEnum subType( aSh.ShapeType()==TopAbs_FACE ? TopAbs_EDGE : TopAbs_FACE );
   SMDSAbs_ElementType elemType( subType==TopAbs_FACE ? SMDSAbs_Face : SMDSAbs_Edge );
 
+  int nbOldLinks = myNLinkNodeMap.size();
+
   TopExp_Explorer exp( aSh, subType );
   for (; exp.More() && myCreateQuadratic; exp.Next()) {
     if ( SMESHDS_SubMesh * subMesh = meshDS->MeshElements( exp.Current() )) {
@@ -115,6 +116,9 @@ bool SMESH_MesherHelper::IsQuadraticSubMesh(const TopoDS_Shape& aSh)
     }
   }
 
+  if ( nbOldLinks == myNLinkNodeMap.size() )
+    myCreateQuadratic = false;
+
   if(!myCreateQuadratic) {
     myNLinkNodeMap.clear();
   }