From 859674eaf03bdb87daea26782c48e47c0ec2bd97 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Wed, 3 Mar 2010 13:58:32 +0000
Subject: [PATCH] prevent MakeMesh() from crash if myShapeIDMap.IsEmpty()

---
 src/SMESH/SMESH_Pattern.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SMESH/SMESH_Pattern.cxx b/src/SMESH/SMESH_Pattern.cxx
index 834003e8c..da1c16c49 100644
--- a/src/SMESH/SMESH_Pattern.cxx
+++ b/src/SMESH/SMESH_Pattern.cxx
@@ -3922,7 +3922,7 @@ bool SMESH_Pattern::MakeMesh(SMESH_Mesh* theMesh,
                                                 point->myXYZ.Z());
         nodesVector [ pIndex ] = node;
 
-        if ( true /*subMeshDS*/ ) {
+        if ( !S.IsNull() /*subMeshDS*/ ) {
           // !!!!! do not merge new nodes with ones existing on submeshes (see method comment)
           switch ( S.ShapeType() ) {
           case TopAbs_VERTEX: {
-- 
2.39.2