MeshViz/3Ddata/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_ */

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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