MxPolyhedronCellExtract.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#ifndef  _MxPolyhedronCellExtract_h
#define  _MxPolyhedronCellExtract_h
 
#include <MeshVizXLM/mesh/geometry/MiGeometryI.h>
 
#include <Inventor/STL/vector>
#include <Inventor/STL/utility>
 
class MiVolumeCell;

class MESHVIZXLM_EXTR_API MxPolyhedronCellExtract 
{
public:

  static void getWeight(const MiGeometryI& meshGeometry, const MiVolumeCell* polyhedronCell, const MbVec3d &point, std::vector<double>& weights);

  static double getLongestDistance(const MiGeometryI& meshGeometry, const MiVolumeCell* polyhedronCell);

  static double getShortestDistance(const MiGeometryI& meshGeometry, const MiVolumeCell* polyhedronCell);

  static bool isPointInsideCell(const MiGeometryI& meshGeometry, const MiVolumeCell* polyhedronCell, const MbVec3d &point, std::vector<double>& weights);

  static MbVec3d getFacetNormal(size_t facet, const MiGeometryI& meshGeometry, const MiVolumeCell *polyhedronCell);
 
private:
 
  static bool initClass();
  static void exitClass();
  static double cot(const MbVec3d& v1, const MbVec3d& v2);
 
 
  static bool            s_isInit;
 
 
};
 
#endif