From: eap <eap@opencascade.com>
Date: Fri, 19 Nov 2010 16:22:49 +0000 (+0000)
Subject: 0020948: EDF 1468 SMESH: Histogram of the quality controls
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=cddf6847bcd6d4aef0045a952a3b44fd1791c0e6;p=modules%2Fsmesh.git

0020948: EDF 1468 SMESH: Histogram of the quality controls
     limit computed histogram to a submesh

0020944: EDF 1464 SMESH: detection of over-constrained elements
+    class  OverConstrainedVolume: public Predicate
+    class  OverConstrainedFace: public Predicate
---

diff --git a/src/Controls/SMESH_Controls.cxx b/src/Controls/SMESH_Controls.cxx
index 231c36a56..b13588de6 100644
--- a/src/Controls/SMESH_Controls.cxx
+++ b/src/Controls/SMESH_Controls.cxx
@@ -283,12 +283,14 @@ double NumericalFunctor::GetValue( long theId )
  *  \param nbIntervals - number of intervals
  *  \param nbEvents - number of mesh elements having values within i-th interval
  *  \param funValues - boundaries of intervals
+ *  \param elements - elements to check vulue of; empty list means "of all"
  */
 //================================================================================
 
 void NumericalFunctor::GetHistogram(int                  nbIntervals,
                                     std::vector<int>&    nbEvents,
-                                    std::vector<double>& funValues)
+                                    std::vector<double>& funValues,
+                                    const vector<int>&   elements)
 {
   if ( nbIntervals < 1 ||
        !myMesh ||
@@ -299,9 +301,18 @@ void NumericalFunctor::GetHistogram(int                  nbIntervals,
 
   // get all values sorted
   std::multiset< double > values;
-  SMDS_ElemIteratorPtr elemIt = myMesh->elementsIterator(GetType());
-  while ( elemIt->more() )
-    values.insert( GetValue( elemIt->next()->GetID() ));
+  if ( elements.empty() )
+  {
+    SMDS_ElemIteratorPtr elemIt = myMesh->elementsIterator(GetType());
+    while ( elemIt->more() )
+      values.insert( GetValue( elemIt->next()->GetID() ));
+  }
+  else
+  {
+    vector<int>::const_iterator id = elements.begin();
+    for ( ; id != elements.end(); ++id )
+      values.insert( GetValue( *id ));
+  }
 
   // case nbIntervals == 1
   funValues[0] = *values.begin();
@@ -1932,6 +1943,59 @@ bool BareBorderFace::IsSatisfy(long theElementId )
   return false;
 }
 
+/*
+  Class       : OverConstrainedVolume
+*/
+
+bool OverConstrainedVolume::IsSatisfy(long theElementId )
+{
+  // An element is over-constrained if it has N-1 free borders where
+  // N is the number of edges/faces for a 2D/3D element.
+  SMDS_VolumeTool  myTool;
+  if ( myTool.Set( myMesh->FindElement(theElementId)))
+  {
+    int nbSharedFaces = 0;
+    for ( int iF = 0; iF < myTool.NbFaces(); ++iF )
+      if ( !myTool.IsFreeFace( iF ) && ++nbSharedFaces > 1 )
+        break;
+    return ( nbSharedFaces == 1 );
+  }
+  return false;
+}
+
+/*
+  Class       : OverConstrainedFace
+*/
+
+bool OverConstrainedFace::IsSatisfy(long theElementId )
+{
+  // An element is over-constrained if it has N-1 free borders where
+  // N is the number of edges/faces for a 2D/3D element.
+  if ( const SMDS_MeshElement* face = myMesh->FindElement(theElementId))
+    if ( face->GetType() == SMDSAbs_Face )
+    {
+      int nbSharedBorders = 0;
+      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 && ++nbSharedBorders > 1 )
+          break;
+      }
+      return ( nbSharedBorders == 1 );
+    }
+  return false;
+}
+
 /*
   Class       : FreeBorders
   Description : Predicate for free borders
diff --git a/src/Controls/SMESH_ControlsDef.hxx b/src/Controls/SMESH_ControlsDef.hxx
index 3d55ccf3a..46255a26a 100644
--- a/src/Controls/SMESH_ControlsDef.hxx
+++ b/src/Controls/SMESH_ControlsDef.hxx
@@ -127,9 +127,10 @@ namespace SMESH{
       virtual void SetMesh( const SMDS_Mesh* theMesh );
       virtual double GetValue( long theElementId );
       virtual double GetValue(const TSequenceOfXYZ& thePoints) { return -1.0;};
-      void GetHistogram(int                  nbIntervals,
-                        std::vector<int>&    nbEvents,
-                        std::vector<double>& funValues);
+      void GetHistogram(int                   nbIntervals,
+                        std::vector<int>&     nbEvents,
+                        std::vector<double>&  funValues,
+                        const std::vector<int>& elements);
       virtual SMDSAbs_ElementType GetType() const = 0;
       virtual double GetBadRate( double Value, int nbNodes ) const = 0;
       long  GetPrecision() const;
@@ -409,6 +410,37 @@ namespace SMESH{
     };
     typedef boost::shared_ptr<BareBorderFace> BareBorderFacePtr;
 
+    /*
+      OverConstrainedVolume
+    */
+    class SMESHCONTROLS_EXPORT OverConstrainedVolume: public Predicate
+    {
+    public:
+      OverConstrainedVolume():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<OverConstrainedVolume> OverConstrainedVolumePtr;
+
+    /*
+      OverConstrainedFace
+    */
+    class SMESHCONTROLS_EXPORT OverConstrainedFace: public Predicate
+    {
+    public:
+      OverConstrainedFace():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<OverConstrainedFace> OverConstrainedFacePtr;
+
     /*
       Class       : FreeEdges
       Description : Predicate for free Edges