PbPixelCell.h

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/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PB_PIXELCELL_
#define  _PB_PIXELCELL_
 
#include <MeshViz/3Ddata/PbCell.h>
 
class PbMesh;
 
class  PbPixelCell : public PbCell {
 
 
 public:
 
  PbPixelCell(const PbMesh *owner_mesh) ;
 
  PbPixelCell(const PbPixelCell &cell);
 
  ~PbPixelCell() ;
 
  PbPixelCell& operator=(const PbPixelCell &cell) ;
 
  float getLongestEdgeLength() const;
 
  SbBox3f getBoundingBox() const;
 
  void getBounds(float &xmin,float &ymin, float &zmin, 
                 float &xmax,float &ymax, float &zmax) const;
 
  SbVec3f getCenter() const;
 
  float getVolume() const { return 0.0;}
 
  float getArea() const { return m_dx*m_dy;}
 
  virtual void getNodesIndexOfEdge (int edge, PbArrayOfInt &nodes_index) const;
 
  virtual void getNodesIndexOfFacet (int facet, PbArrayOfInt &nodes_index) const;
 
  virtual void getNodesLocalIndexOfEdge (int edge, PbArrayOfInt &nodes_index) const;
 
  virtual void getNodesLocalIndexOfFacet (int facet, PbArrayOfInt &nodes_index) const;
 
  virtual int locatePoint(const SbVec3f &coord, float tolerance, SbVec3f &pcoord) const;
 
  virtual void getWeight(const SbVec3f &pcoord, float *weight) const;
 
  float getValue(const SbVec3f &pcoord, const float *s) const;
 
  SbVec3f getValue(const SbVec3f &pcoord, const SbVec3f *v) const;
 
  /*----------------------------------------------------------------------------*/
 private:
  SbBool set(int index, int *node_ids, 
             float x_min, float y_min, 
             float x_max, float y_max);
 
  void print(FILE *fp) const;
  // Prints a formatted version of the pixel to the given file pointer
 
  virtual const int* getNodesLocalIndexOfEdge(int edge) const {
    return c_edgeNodes[edge];
  }
 
  /*----------------------------------------------------------------------------*/
 
 private:
   virtual unsigned char getIsosurfCaseId(SbBoolVector &nodes_sign) const;
 
 private:
 
  void copy(const PbPixelCell &cell) ;
  void destroy();
 
  float m_xmin,m_ymin, m_xmax,m_ymax, m_dx,m_dy;
 
  static int             c_edgeNodes[4][2]; 
};
 
 
inline unsigned char
PbPixelCell::getIsosurfCaseId(SbBoolVector &) const 
{
  return 0;
}
 
/*---------------------------------------------------------------------------*/
 
#endif /* _PB_PIXELCELL_ */