From 92f6294479e8b999c8999ea673087cc2adbef229 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Mon, 15 Nov 2010 10:57:23 +0000
Subject: [PATCH] 0020943: EDF 1463 SMESH: additional fonctionnality to the
 feature 20749

+    class SMESHCONTROLS_EXPORT BareBorderVolume: public Predicate
+    class SMESHCONTROLS_EXPORT BareBorderFace: public Predicate
---
 src/Controls/SMESH_Controls.cxx    | 55 ++++++++++++++++++++++++++++++
 src/Controls/SMESH_ControlsDef.hxx | 36 +++++++++++++++++--
 2 files changed, 88 insertions(+), 3 deletions(-)

diff --git a/src/Controls/SMESH_Controls.cxx b/src/Controls/SMESH_Controls.cxx
index 3c079736b..231c36a56 100644
--- a/src/Controls/SMESH_Controls.cxx
+++ b/src/Controls/SMESH_Controls.cxx
@@ -1875,7 +1875,62 @@ SMDSAbs_ElementType BadOrientedVolume::GetType() const
   return SMDSAbs_Volume;
 }
 
+/*
+  Class       : BareBorderVolume
+*/
 
+bool BareBorderVolume::IsSatisfy(long theElementId )
+{
+  SMDS_VolumeTool  myTool;
+  if ( myTool.Set( myMesh->FindElement(theElementId)))
+  {
+    for ( int iF = 0; iF < myTool.NbFaces(); ++iF )
+      if ( myTool.IsFreeFace( iF ))
+      {
+        const SMDS_MeshNode** n = myTool.GetFaceNodes(iF);
+        vector< const SMDS_MeshNode*> nodes( n, n+myTool.NbFaceNodes(iF));
+        if ( !myMesh->FindElement( nodes, SMDSAbs_Face, /*Nomedium=*/false))
+          return true;
+      }
+  }
+  return false;
+}
+
+/*
+  Class       : BareBorderFace
+*/
+
+bool BareBorderFace::IsSatisfy(long theElementId )
+{
+  if ( const SMDS_MeshElement* face = myMesh->FindElement(theElementId))
+    if ( face->GetType() == SMDSAbs_Face )
+    {
+      int nbN = face->NbCornerNodes();
+      for ( int i = 0; i < nbN; ++i )
+      {
+        // check if a link is shared by another face
+        const SMDS_MeshNode* n1 = face->GetNode( i );
+        const SMDS_MeshNode* n2 = face->GetNode( (i+1)%nbN );
+        SMDS_ElemIteratorPtr fIt = n1->GetInverseElementIterator( SMDSAbs_Face );
+        bool isShared = false;
+        while ( !isShared && fIt->more() )
+        {
+          const SMDS_MeshElement* f = fIt->next();
+          isShared = ( f != face && f->GetNodeIndex(n2) != -1 );
+        }
+        if ( !isShared )
+        {
+          myLinkNodes.resize( 2 + face->IsQuadratic());
+          myLinkNodes[0] = n1;
+          myLinkNodes[1] = n2;
+          if ( face->IsQuadratic() )
+            myLinkNodes[2] = face->GetNode( i+nbN );
+          return !myMesh->FindElement( myLinkNodes, SMDSAbs_Edge, /*noMedium=*/false);
+        }
+      }
+    }
+  return false;
+}
 
 /*
   Class       : FreeBorders
diff --git a/src/Controls/SMESH_ControlsDef.hxx b/src/Controls/SMESH_ControlsDef.hxx
index aba178ece..3d55ccf3a 100644
--- a/src/Controls/SMESH_ControlsDef.hxx
+++ b/src/Controls/SMESH_ControlsDef.hxx
@@ -373,11 +373,41 @@ namespace SMESH{
       virtual void SetMesh( const SMDS_Mesh* theMesh );
       virtual bool IsSatisfy( long theElementId );
       virtual SMDSAbs_ElementType GetType() const;
-            
+
     protected:
       const SMDS_Mesh* myMesh;
     };
-   
+
+    /*
+      BareBorderVolume
+    */
+    class SMESHCONTROLS_EXPORT BareBorderVolume: public Predicate
+    {
+    public:
+      BareBorderVolume():myMesh(0) {}
+      virtual void SetMesh( const SMDS_Mesh* theMesh ) { myMesh = theMesh; }
+      virtual SMDSAbs_ElementType GetType() const      { return SMDSAbs_Volume; }
+      virtual bool IsSatisfy( long theElementId );
+    protected:
+      const SMDS_Mesh* myMesh;
+    };
+    typedef boost::shared_ptr<BareBorderVolume> BareBorderVolumePtr;
+
+    /*
+      BareBorderFace
+    */
+    class SMESHCONTROLS_EXPORT BareBorderFace: public Predicate
+    {
+    public:
+      BareBorderFace():myMesh(0) {}
+      virtual void SetMesh( const SMDS_Mesh* theMesh ) { myMesh = theMesh; }
+      virtual SMDSAbs_ElementType GetType() const      { return SMDSAbs_Face; }
+      virtual bool IsSatisfy( long theElementId );
+    protected:
+      const SMDS_Mesh* myMesh;
+      std::vector< const SMDS_MeshNode* > myLinkNodes;
+    };
+    typedef boost::shared_ptr<BareBorderFace> BareBorderFacePtr;
 
     /*
       Class       : FreeEdges
@@ -399,7 +429,7 @@ namespace SMESH{
       };
       typedef std::set<Border> TBorders;
       void GetBoreders(TBorders& theBorders);
-      
+
     protected:
       const SMDS_Mesh* myMesh;
     };