src/INTERP_KERNEL/UnitTetraIntersectionBary.hxx

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// Copyright (C) 2007-2011  CEA/DEN, EDF R&D
//
// 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      : UnitTetraIntersectionBary.hxx
// Created   : Tue Dec  9 16:06:33 2008
// Author    : Edward AGAPOV (eap)
//
#ifndef __UNITTETRAINTERSECTIONBARY_HXX__
#define __UNITTETRAINTERSECTIONBARY_HXX__

#include "TransformedTriangle.hxx"
#include "INTERPKERNELDefines.hxx"

#include <vector>
#include <list>

namespace INTERP_KERNEL
{
  class UnitTetraIntersectionBary : protected TransformedTriangle
  {
  public:
    INTERPKERNEL_EXPORT UnitTetraIntersectionBary(bool isTetraInversed=false);

    INTERPKERNEL_EXPORT void init(bool isTetraInversed=false);
    INTERPKERNEL_EXPORT void addSide(const TransformedTriangle& triangle);

    INTERPKERNEL_EXPORT bool getBary(double* baryCenter);

    INTERPKERNEL_EXPORT inline double getVolume() const { return _int_volume; }

    INTERPKERNEL_EXPORT virtual ~UnitTetraIntersectionBary();

  private:

    int addSideFaces();

    void setTriangleOnSide(int i);

    void clearPolygons(bool andFaces=false);

    double  _int_volume;

    std::list< std::vector< double* > >   _faces;
    std::vector< std::vector< double > >  _polyNormals;

    bool _isTetraInversed;
  };

}

#endif