From ccf61b1b850fcfe776300defd3c2378ce832f4d9 Mon Sep 17 00:00:00 2001
From: gka <gka@opencascade.com>
Date: Fri, 11 Sep 2015 11:02:55 +0300
Subject: [PATCH] 0026644: ShapeUpgrade_UnifySameDomain - strange behavior

Modification to keep connectivity for non--manifold shapes during operation ShapeUpgrade_UnifySameDomain
---
 src/ShapeUpgrade/ShapeUpgrade_UnifySameDomain.cxx | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/ShapeUpgrade/ShapeUpgrade_UnifySameDomain.cxx b/src/ShapeUpgrade/ShapeUpgrade_UnifySameDomain.cxx
index 75f63992af..b2f5f77b10 100644
--- a/src/ShapeUpgrade/ShapeUpgrade_UnifySameDomain.cxx
+++ b/src/ShapeUpgrade/ShapeUpgrade_UnifySameDomain.cxx
@@ -786,18 +786,14 @@ void ShapeUpgrade_UnifySameDomain::Initialize(const TopoDS_Shape& aShape,
 
 void ShapeUpgrade_UnifySameDomain::UnifyFaces()
 {
-  //Handle(ShapeBuild_ReShape) myContext = new ShapeBuild_ReShape;
-  TopoDS_Shape aResShape = myContext->Apply(myShape);
-
+  // creating map of edge faces
+  TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
+  TopExp::MapShapesAndAncestors(myShape, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
   // processing each shell
   TopExp_Explorer exps;
   for (exps.Init(myShape, TopAbs_SHELL); exps.More(); exps.Next()) {
     TopoDS_Shell aShell = TopoDS::Shell(exps.Current());
-
-    // creating map of edge faces
-    TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
-    TopExp::MapShapesAndAncestors(aShell, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
-
+    
     // map of processed shapes
     TopTools_MapOfShape aProcessed;
 
-- 
2.39.5