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https://git.salome-platform.org/gitpub/modules/smesh.git
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137 lines
4.4 KiB
C++
137 lines
4.4 KiB
C++
// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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// File : StdMeshers_Quadrangle_2D.hxx
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// Moved here from SMESH_Quadrangle_2D.hxx
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// Author : Paul RASCLE, EDF
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// Module : SMESH
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#ifndef _SMESH_QUADRANGLE_2D_HXX_
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#define _SMESH_QUADRANGLE_2D_HXX_
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#include "SMESH_StdMeshers.hxx"
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#include "StdMeshers_QuadrangleParams.hxx"
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#include "SMESH_Algo.hxx"
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#include "Utils_SALOME_Exception.hxx"
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#include <TopoDS_Face.hxx>
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class SMESH_Mesh;
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class SMESH_MesherHelper;
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class StdMeshers_FaceSide;
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class SMDS_MeshNode;
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struct uvPtStruct;
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enum TSideID { BOTTOM_SIDE=0, RIGHT_SIDE, TOP_SIDE, LEFT_SIDE, NB_SIDES };
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typedef uvPtStruct UVPtStruct;
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typedef struct faceQuadStruct
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{
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std::vector< StdMeshers_FaceSide*> side;
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bool isEdgeOut[4]; // true, if an edge has more nodes, than the opposite
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UVPtStruct* uv_grid;
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TopoDS_Face face;
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~faceQuadStruct();
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} FaceQuadStruct;
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class STDMESHERS_EXPORT StdMeshers_Quadrangle_2D: public SMESH_2D_Algo
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{
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public:
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StdMeshers_Quadrangle_2D(int hypId, int studyId, SMESH_Gen* gen);
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virtual ~StdMeshers_Quadrangle_2D();
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virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
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const TopoDS_Shape& aShape,
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SMESH_Hypothesis::Hypothesis_Status& aStatus);
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virtual bool Compute(SMESH_Mesh& aMesh,
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const TopoDS_Shape& aShape);
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virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
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MapShapeNbElems& aResMap);
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FaceQuadStruct* CheckAnd2Dcompute(SMESH_Mesh& aMesh,
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const TopoDS_Shape& aShape,
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const bool CreateQuadratic);
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FaceQuadStruct* CheckNbEdges(SMESH_Mesh& aMesh,
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const TopoDS_Shape& aShape);
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protected:
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bool CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh,
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const TopoDS_Shape & aShape,
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MapShapeNbElems& aResMap,
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std::vector<int>& aNbNodes,
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bool& IsQuadratic);
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bool SetNormalizedGrid(SMESH_Mesh& aMesh,
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const TopoDS_Shape& aShape,
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FaceQuadStruct*& quad);
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void SplitQuad(SMESHDS_Mesh *theMeshDS,
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const int theFaceID,
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const SMDS_MeshNode* theNode1,
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const SMDS_MeshNode* theNode2,
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const SMDS_MeshNode* theNode3,
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const SMDS_MeshNode* theNode4);
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bool ComputeQuadPref(SMESH_Mesh& aMesh,
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const TopoDS_Shape& aShape,
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FaceQuadStruct* quad);
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bool EvaluateQuadPref(SMESH_Mesh& aMesh,
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const TopoDS_Shape& aShape,
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std::vector<int>& aNbNodes,
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MapShapeNbElems& aResMap,
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bool IsQuadratic);
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bool ComputeReduced (SMESH_Mesh& aMesh,
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const TopoDS_Shape& aShape,
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FaceQuadStruct* quad);
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void UpdateDegenUV(FaceQuadStruct* quad);
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void Smooth (FaceQuadStruct* quad);
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// true if QuadranglePreference hypothesis is assigned that forces
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// construction of quadrangles if the number of nodes on opposite edges
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// is not the same in the case where the global number of nodes on edges
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// is even
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bool myQuadranglePreference;
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bool myTrianglePreference;
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int myTriaVertexID;
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StdMeshers_QuadType myQuadType;
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SMESH_MesherHelper* myHelper; // tool for working with quadratic elements
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bool myNeedSmooth;
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};
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#endif
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