MxPolygonCellExtract.h

/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#ifndef  _MxPolygonCellExtract_h
#define  _MxPolygonCellExtract_h
 
#include <MeshVizXLM/mesh/geometry/MiGeometryI.h>
 
#include <Inventor/STL/vector>
#include <Inventor/STL/utility>
 
class MiSurfaceCell;
 
class MESHVIZXLM_EXTR_API MxPolygonCellExtract 
{
public:
 
  static void getWeight(const MiGeometryI& meshGeometry, const MiSurfaceCell* polygonCell, const MbVec3d &point, std::vector<double>& weights);
 
  static double getLongestEdgeLength(const MiGeometryI& meshGeometry, const MiSurfaceCell* polygonCell);
 
  static double getShortestEdgeLength(const MiGeometryI& meshGeometry, const MiSurfaceCell* polygonCell);
 
  static bool isPointInsideCell(const MiGeometryI& meshGeometry, const MiSurfaceCell* polygonCell, const MbVec3d &point, std::vector<double>& weights);
 
  static double getArea(const MiGeometryI& meshGeometry, const MiSurfaceCell* polygonCell);
 
  static MbVec3d getNormal(const MiGeometryI& meshGeometry, const MiSurfaceCell *polygonCell);
 
private:
 
  static bool initClass();
  static void exitClass();
  static double cot(const MbVec3d& v1, const MbVec3d& v2, const MbVec3d& normal);
 
  static bool   s_isInit;
 
};
 
#endif