From 6175043630c53727a5109002dfd4e18403bf097a Mon Sep 17 00:00:00 2001
From: jfa <jfa@opencascade.com>
Date: Tue, 28 Feb 2012 05:22:00 +0000
Subject: [PATCH] Mantis issue 0021486: EDF GEOM: Non regression test fails
 (MakePartition). A fix by Peter Kurnev.

---
 src/GEOMAlgo/GEOMAlgo_Builder_2.cxx | 39 ++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/src/GEOMAlgo/GEOMAlgo_Builder_2.cxx b/src/GEOMAlgo/GEOMAlgo_Builder_2.cxx
index 8b096052a..54be6ce3e 100755
--- a/src/GEOMAlgo/GEOMAlgo_Builder_2.cxx
+++ b/src/GEOMAlgo/GEOMAlgo_Builder_2.cxx
@@ -104,6 +104,11 @@ static
                         const Standard_Integer ,
                         NMTTools_IndexedDataMapOfIndexedMapOfInteger& );
 
+//modified by NIZNHY-PKV Thu Feb 16 12:24:52 2012f
+static
+  Standard_Boolean IsClosed(const TopoDS_Edge& aE,
+			    const TopoDS_Face& aF);
+//modified by NIZNHY-PKV Thu Feb 16 12:24:56 2012t
 
 //=======================================================================
 //function : FillImagesFaces
@@ -314,7 +319,10 @@ void GEOMAlgo_Builder::BuildSplitFaces()
       }
       //
       bIsDegenerated=BRep_Tool::Degenerated(aE);
-      bIsClosed=BRep_Tool::IsClosed(aE, aF);
+      //modified by NIZNHY-PKV Thu Feb 16 12:25:04 2012f
+      bIsClosed=IsClosed(aE, aF);
+      //bIsClosed=BRep_Tool::IsClosed(aE, aF);
+      //modified by NIZNHY-PKV Thu Feb 16 12:25:09 2012t
       //
       const TopTools_ListOfShape& aLIE=myImages.Image(aE);
       aIt.Initialize(aLIE);
@@ -960,6 +968,35 @@ void UpdateCandidates(const Standard_Integer theNF,
   }
 }
 
+//modified by NIZNHY-PKV Thu Feb 16 12:25:16 2012f
+//=======================================================================
+//function : IsClosed
+//purpose  : 
+//=======================================================================
+Standard_Boolean IsClosed(const TopoDS_Edge& aE,
+			  const TopoDS_Face& aF)
+{
+  Standard_Boolean bRet;
+  //
+  bRet=BRep_Tool::IsClosed(aE, aF);
+  if (bRet) {
+    TopTools_MapOfShape aM;
+    TopExp_Explorer aExp(aF, TopAbs_EDGE);
+    for (; aExp.More(); aExp.Next()) {
+      const TopoDS_Shape& aEx=aExp.Current();
+      //
+      if (aM.Add(aEx)) {
+	if (aEx.IsSame(aE)) {
+	  break;
+	}
+      }
+    }
+    bRet=!bRet;
+  }
+  return bRet;
+}
+//modified by NIZNHY-PKV Thu Feb 16 12:25:25 2012t
+
 /*
     {
       TopoDS_Compound aCx;
-- 
2.39.2