From 800fdf5fdc1b26f01fbd194253fc8a4d400b1c25 Mon Sep 17 00:00:00 2001
From: vsv <vsv@opencascade.com>
Date: Wed, 12 Feb 2020 16:35:57 +0300
Subject: [PATCH] Do not remove Mesh on geometry change according to request
 #3134

---
 src/SMESH_I/SMESH_Gen_i.cxx  | 2 ++
 src/SMESH_I/SMESH_Mesh_i.cxx | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/SMESH_I/SMESH_Gen_i.cxx b/src/SMESH_I/SMESH_Gen_i.cxx
index 5e4bba536..f5c36db78 100644
--- a/src/SMESH_I/SMESH_Gen_i.cxx
+++ b/src/SMESH_I/SMESH_Gen_i.cxx
@@ -2021,6 +2021,8 @@ CORBA::Boolean SMESH_Gen_i::Compute( SMESH::SMESH_Mesh_ptr theMesh,
     if ( meshServant ) {
       meshServant->Load();
       // NPAL16168: "geometrical group edition from a submesh don't modify mesh computation"
+      // Clear meshy because it was not cleared in CheckGeomModif of previous call
+      meshServant->Clear();
       meshServant->CheckGeomModif();
       // get local TopoDS_Shape
       TopoDS_Shape myLocShape;
diff --git a/src/SMESH_I/SMESH_Mesh_i.cxx b/src/SMESH_I/SMESH_Mesh_i.cxx
index 8c2a1a91b..dff142a6a 100644
--- a/src/SMESH_I/SMESH_Mesh_i.cxx
+++ b/src/SMESH_I/SMESH_Mesh_i.cxx
@@ -2288,7 +2288,7 @@ void SMESH_Mesh_i::CheckGeomModif( bool isBreakLink )
   if ( _preMeshInfo )
     _preMeshInfo->ForgetAllData();
 
-  _impl->Clear();
+  //_impl->Clear();
   TopoDS_Shape newShape = _gen_i->GeomObjectToShape( mainGO );
   if ( newShape.IsNull() )
     return;