smesh/src/StdMeshers/StdMeshers_QuadToTriaAdaptor.hxx
2013-04-01 13:05:47 +00:00

98 lines
3.0 KiB
C++

// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
//
// 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_QuadToTriaAdaptor.hxx
// Module : SMESH
//
#ifndef _SMESH_QuadToTriaAdaptor_HXX_
#define _SMESH_QuadToTriaAdaptor_HXX_
#include "SMESH_StdMeshers.hxx"
#include "SMESH_ProxyMesh.hxx"
class SMESH_Mesh;
class SMESH_ElementSearcher;
class SMDS_MeshElement;
class SMDS_MeshNode;
class SMDS_MeshFace;
class Handle_TColgp_HArray1OfPnt;
class Handle_TColgp_HArray1OfVec;
class gp_Pnt;
class gp_Vec;
#include <set>
#include <list>
#include <vector>
#include <TopoDS_Shape.hxx>
/*!
* \brief "Transforms" quadrilateral faces into triangular ones by creation of pyramids
*/
class STDMESHERS_EXPORT StdMeshers_QuadToTriaAdaptor : public SMESH_ProxyMesh
{
public:
StdMeshers_QuadToTriaAdaptor();
~StdMeshers_QuadToTriaAdaptor();
bool Compute(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
SMESH_ProxyMesh* aProxyMesh=0);
bool Compute(SMESH_Mesh& aMesh);
const TopoDS_Shape& GetShape() const { return myShape; }
protected:
int Preparation(const SMDS_MeshElement* face,
Handle_TColgp_HArray1OfPnt& PN,
Handle_TColgp_HArray1OfVec& VN,
std::vector<const SMDS_MeshNode*>& FNodes,
gp_Pnt& PC, gp_Vec& VNorm,
const SMDS_MeshElement** volumes=0);
bool CheckIntersection(const gp_Pnt& P, const gp_Pnt& PC,
gp_Pnt& Pint, SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
const SMDS_MeshElement* NotCheckedFace);
bool Compute2ndPart(SMESH_Mesh& aMesh,
const std::vector<const SMDS_MeshElement*>& pyramids);
void MergePiramids( const SMDS_MeshElement* PrmI,
const SMDS_MeshElement* PrmJ,
std::set<const SMDS_MeshNode*> & nodesToMove);
void MergeAdjacent(const SMDS_MeshElement* PrmI,
std::set<const SMDS_MeshNode*>& nodesToMove);
TopoDS_Shape myShape;
std::set<const SMDS_MeshElement*> myRemovedTrias;
std::list< const SMDS_MeshNode* > myDegNodes;
const SMESH_ElementSearcher* myElemSearcher;
};
#endif