StdMeshers_ProjectionUtils.hxx

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// Copyright (C) 2007-2026  CEA, EDF, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
 
//  SMESH SMESH : idl implementation based on 'SMESH' unit's classes
// File      : StdMeshers_ProjectionUtils.hxx
// Created   : Thu Oct 26 15:37:24 2006
// Author    : Edward AGAPOV (eap)
//
#ifndef StdMeshers_ProjectionUtils_HeaderFile
#define StdMeshers_ProjectionUtils_HeaderFile
 
#include "SMESH_StdMeshers.hxx"
 
#include "SMDS_MeshElement.hxx"
#include "SMESH_Delaunay.hxx"
#include "StdMeshers_FaceSide.hxx"
 
#include <ShapeAnalysis_Surface.hxx>
#include <TopTools_DataMapOfShapeShape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Vertex.hxx>
#include <gp_GTrsf.hxx>
#include <gp_GTrsf2d.hxx>
 
#include <list>
#include <map>
 
class SMDS_MeshNode;
class SMESH_Algo;
class SMESH_Hypothesis;
class SMESH_Mesh;
class SMESH_subMesh;
class TopoDS_Shape;
 
//-----------------------------------------------------------------------------------------
struct StdMeshers_ShapeShapeBiDirectionMap
{
  TopTools_DataMapOfShapeShape _map1to2, _map2to1;
 
  enum EAssocType {
    UNDEF, INIT_VERTEX, PROPAGATION, PARTNER, CLOSE_VERTEX, COMMON_VERTEX, FEW_EF };
  EAssocType _assocType;
 
  // convention: s1 - target, s2 - source
  bool Bind( const TopoDS_Shape& s1, const TopoDS_Shape& s2 )
  { _map1to2.Bind( s1, s2 ); return _map2to1.Bind( s2, s1 ); }
  bool IsBound( const TopoDS_Shape& s, const bool isShape2=false ) const 
  { return (isShape2 ? _map2to1 : _map1to2).IsBound( s ); }
  bool IsEmpty() const { return _map1to2.IsEmpty(); }
  int  Extent()  const { return _map1to2.Extent(); }
  void Clear() { _map1to2.Clear(); _map2to1.Clear(); }
  const TopoDS_Shape& operator()( const TopoDS_Shape& s, const bool isShape2=false ) const
  { // if we get a Standard_NoSuchObject here, it means that the calling code
    // passes incorrect isShape2
    return (isShape2 ? _map2to1 : _map1to2)( s );
  }
  StdMeshers_ShapeShapeBiDirectionMap() : _assocType( UNDEF ) {}
  void SetAssocType( EAssocType type ) { if ( _assocType == UNDEF ) _assocType = type; }
};
 
namespace StdMeshers_ProjectionUtils
{
  typedef StdMeshers_ShapeShapeBiDirectionMap                  TShapeShapeMap;
  typedef TopTools_IndexedDataMapOfShapeListOfShape            TAncestorMap;
  typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*,
                   TIDCompare>                                 TNodeNodeMap;
 
 
  //-----------------------------------------------------------------------------------------
  class TrsfFinder2D
  {
    gp_GTrsf2d _trsf;
    gp_XY      _srcOrig;
  public:
    TrsfFinder2D(): _srcOrig(0,0) {}
 
    void Set( const gp_GTrsf2d& t ) { _trsf = t; } // it's an alternative to Solve()
 
    bool Solve( const std::vector< gp_XY >& srcPnts,
                const std::vector< gp_XY >& tgtPnts );
 
    gp_XY Transform( const gp_Pnt2d& srcUV ) const;
 
    bool IsIdentity() const { return ( _trsf.Form() == gp_Identity ); }
  };
  //-----------------------------------------------------------------------------------------
  class TrsfFinder3D
  {
    gp_GTrsf _trsf;
    gp_XYZ   _srcOrig;
  public:
    TrsfFinder3D(): _srcOrig(0,0,0) {}
 
    void Set( const gp_GTrsf& t ) { _trsf = t; } // it's an alternative to Solve()
 
    bool Solve( const std::vector< gp_XYZ > & srcPnts,
                const std::vector< gp_XYZ > & tgtPnts );
 
    gp_XYZ Transform( const gp_Pnt& srcP ) const;
 
    gp_XYZ TransformVec( const gp_Vec& v ) const;
 
    bool IsIdentity() const { return ( _trsf.Form() == gp_Identity ); }
 
    bool Invert();
  };
 
  //-----------------------------------------------------------------------------------------
  class Delaunay : public SMESH_Delaunay
  {
  public:
 
    Delaunay( const TSideVector& wires, bool checkUV = false );
 
    Delaunay( const std::vector< const UVPtStructVec* > & boundaryNodes,
              SMESH_MesherHelper&                         faceHelper,
              bool                                        checkUV = false);
 
  protected:
    virtual gp_XY getNodeUV( const TopoDS_Face& face, const SMDS_MeshNode* node ) const;
 
  private:
    SMESH_MesherHelper*    _helper;
    StdMeshers_FaceSidePtr _wire;
    bool                  *_checkUVPtr, _checkUV;
  };
  typedef boost::shared_ptr< Delaunay > DelaunayPtr;
 
  //-----------------------------------------------------------------------------------------
  class Morph
  {
    Delaunay       _delaunay;
    SMESH_subMesh* _srcSubMesh;
  public:
 
    Morph(const TSideVector& srcWires);
 
    bool Perform(SMESH_MesherHelper&           tgtHelper,
                 const TSideVector&            tgtWires,
                 Handle(ShapeAnalysis_Surface) tgtSurface,
                 const TNodeNodeMap&           src2tgtNodes,
                 const bool                    moveAll);
  };
 
  //-----------------------------------------------------------------------------------------
  bool FindSubShapeAssociation(const TopoDS_Shape& theShape1,
                               SMESH_Mesh*         theMesh1,
                               const TopoDS_Shape& theShape2,
                               SMESH_Mesh*         theMesh2,
                               TShapeShapeMap &    theAssociationMap);
 
  int FindFaceAssociation(const TopoDS_Face&         face1,
                          TopoDS_Vertex              VV1[2],
                          const TopoDS_Face&         face2,
                          TopoDS_Vertex              VV2[2],
                          std::list< TopoDS_Edge > & edges1,
                          std::list< TopoDS_Edge > & edges2,
                          const bool                 isClosenessAssoc=false);
 
  void InitVertexAssociation( const SMESH_Hypothesis* theHyp,
                              TShapeShapeMap &        theAssociationMap);
 
  bool InsertAssociation( const TopoDS_Shape& theShape1, // target
                          const TopoDS_Shape& theShape2, // source
                          TShapeShapeMap &    theAssociationMap);
 
  TopoDS_Edge GetEdgeByVertices( SMESH_Mesh*          aMesh,
                                 const TopoDS_Vertex& V1,
                                 const TopoDS_Vertex& V2);
 
  TopoDS_Face GetNextFace( const TAncestorMap& edgeToFaces,
                           const TopoDS_Edge&  edge,
                           const TopoDS_Face&  face);
  TopoDS_Vertex GetNextVertex(const TopoDS_Edge&   edge,
                              const TopoDS_Vertex& vertex);
 
  std::pair<int,TopoDS_Edge> GetPropagationEdge( SMESH_Mesh*                 aMesh,
                                                 const TopoDS_Edge&          anEdge,
                                                 const TopoDS_Edge&          fromEdge,
                                                 TopTools_IndexedMapOfShape* chain=0);
 
  bool FindMatchingNodesOnFaces( const TopoDS_Face&     face1,
                                 SMESH_Mesh*            mesh1,
                                 const TopoDS_Face&     face2,
                                 SMESH_Mesh*            mesh2,
                                 const TShapeShapeMap & assocMap,
                                 TNodeNodeMap &         nodeIn2OutMap);
  TopoDS_Shape OuterShape( const TopoDS_Face& face,
                           TopAbs_ShapeEnum   type);
 
  bool MakeComputed(SMESH_subMesh * sm, const int iterationNb = 0);
 
  std::string SourceNotComputedError( SMESH_subMesh * sm = 0,
                                      SMESH_Algo*     projAlgo=0);
 
  STDMESHERS_EXPORT void SetEventListener(SMESH_subMesh* subMesh,
                                          TopoDS_Shape   srcShape,
                                          SMESH_Mesh*    srcMesh);
 
  TopoDS_Edge GetBoundaryEdge(const TopoDS_Shape&       edgeContainer,
                              const SMESH_Mesh&         mesh,
                              std::list< TopoDS_Edge >* allBndEdges = 0 );
}
 
#endif