From 4df44f5a1ef2d94c90d63f68dce670072e97f34e Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Thu, 13 Oct 2011 13:08:51 +0000
Subject: [PATCH] Fix a bug reported to SALOME Forum
 http://www.salome-platform.org/forum/forum_10/372035859

-      if ( helper.IsSubShape( *e, F ) && BRep_Tool::Curve( *e, loc,f,l))
+      if ( helper.IsSubShape( *e, F ) && !BRep_Tool::Curve( *e, loc,f,l).IsNull() )
---
 src/StdMeshers/StdMeshers_ViscousLayers.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/StdMeshers/StdMeshers_ViscousLayers.cxx b/src/StdMeshers/StdMeshers_ViscousLayers.cxx
index e164282c6..912815839 100644
--- a/src/StdMeshers/StdMeshers_ViscousLayers.cxx
+++ b/src/StdMeshers/StdMeshers_ViscousLayers.cxx
@@ -694,7 +694,7 @@ namespace
     while ( eIt->more())
     {
       const TopoDS_Edge* e = static_cast<const TopoDS_Edge*>( eIt->next() );
-      if ( helper.IsSubShape( *e, F ) && BRep_Tool::Curve( *e, loc,f,l))
+      if ( helper.IsSubShape( *e, F ) && !BRep_Tool::Curve( *e, loc,f,l).IsNull() )
         edges.push_back( *e );
     }
     gp_XYZ dir(0,0,0);
-- 
2.39.2