smesh/src/StdMeshers/StdMeshers_Quadrangle_2D.hxx
2011-06-06 08:15:39 +00:00

137 lines
4.4 KiB
C++

// Copyright (C) 2007-2011 CEA/DEN, EDF R&D, 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.
//
// 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
//
// File : StdMeshers_Quadrangle_2D.hxx
// Moved here from SMESH_Quadrangle_2D.hxx
// Author : Paul RASCLE, EDF
// Module : SMESH
// $Header$
#ifndef _SMESH_QUADRANGLE_2D_HXX_
#define _SMESH_QUADRANGLE_2D_HXX_
#include "SMESH_StdMeshers.hxx"
#include "StdMeshers_QuadrangleParams.hxx"
#include "SMESH_2D_Algo.hxx"
#include "Utils_SALOME_Exception.hxx"
class SMESH_Mesh;
class SMESH_MesherHelper;
class StdMeshers_FaceSide;
class SMDS_MeshNode;
class TopoDS_Face;
struct uvPtStruct;
enum TSideID { BOTTOM_SIDE=0, RIGHT_SIDE, TOP_SIDE, LEFT_SIDE, NB_SIDES };
typedef uvPtStruct UVPtStruct;
typedef struct faceQuadStruct
{
std::vector< StdMeshers_FaceSide*> side;
bool isEdgeOut[4]; // true, if an edge has more nodes, than the opposite
UVPtStruct* uv_grid;
TopoDS_Face face;
~faceQuadStruct();
} FaceQuadStruct;
class STDMESHERS_EXPORT StdMeshers_Quadrangle_2D: public SMESH_2D_Algo
{
public:
StdMeshers_Quadrangle_2D(int hypId, int studyId, SMESH_Gen* gen);
virtual ~StdMeshers_Quadrangle_2D();
virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
SMESH_Hypothesis::Hypothesis_Status& aStatus);
virtual bool Compute(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape);
virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
MapShapeNbElems& aResMap);
FaceQuadStruct* CheckAnd2Dcompute(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
const bool CreateQuadratic);
FaceQuadStruct* CheckNbEdges(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape);
protected:
bool CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh,
const TopoDS_Shape & aShape,
MapShapeNbElems& aResMap,
std::vector<int>& aNbNodes,
bool& IsQuadratic);
bool SetNormalizedGrid(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
FaceQuadStruct*& quad);
void SplitQuad(SMESHDS_Mesh *theMeshDS,
const int theFaceID,
const SMDS_MeshNode* theNode1,
const SMDS_MeshNode* theNode2,
const SMDS_MeshNode* theNode3,
const SMDS_MeshNode* theNode4);
bool ComputeQuadPref(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
FaceQuadStruct* quad);
bool EvaluateQuadPref(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
std::vector<int>& aNbNodes,
MapShapeNbElems& aResMap,
bool IsQuadratic);
bool ComputeReduced (SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
FaceQuadStruct* quad);
void UpdateDegenUV(FaceQuadStruct* quad);
void Smooth (FaceQuadStruct* quad);
// true if QuadranglePreference hypothesis is assigned that forces
// construction of quadrangles if the number of nodes on opposite edges
// is not the same in the case where the global number of nodes on edges
// is even
bool myQuadranglePreference;
bool myTrianglePreference;
int myTriaVertexID;
StdMeshers_QuadType myQuadType;
SMESH_MesherHelper* myHelper; // tool for working with quadratic elements
bool myNeedSmooth;
};
#endif