MeshViz/3Ddata/PbQuadrangleCell.h

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/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/


#ifndef  _PB_QUADRANGLECELL_
#define  _PB_QUADRANGLECELL_

#include <MeshViz/3Ddata/PbCell.h>

class PbMesh;

class  PbQuadrangleCell : public PbCell {


 public:

  PbQuadrangleCell(const PbMesh *owner_mesh) ;

  PbQuadrangleCell(const PbQuadrangleCell &cell);

  ~PbQuadrangleCell() ;

  PbQuadrangleCell& operator=(const PbQuadrangleCell &cell) ;

  virtual float getLongestEdgeLength() const;

  virtual float getVolume() const { return 0.0; }

  virtual float getArea() const;

  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;

  void getDerivs(const SbVec3f &pcoord, float *derivs) const;

  /*----------------------------------------------------------------------------*/
 private:
  SbBool set(int index, int *node_ids, const float *x, const float *y);

  SbBool set(int index, int *node_ids, const float *x, const float *y, const float *z);

  SbBool set(int index, int *node_ids, float x_min, float y_min, float x_max, float y_max, const float *z);

  virtual const int* getNodesLocalIndexOfEdge(int edge) const {
    return c_edgeNodes[edge];
  }

  // Prints a formatted version of the quadrangle to the given file pointer
  void print(FILE *fp) const;

  /*----------------------------------------------------------------------------*/

 private:
   virtual unsigned char getIsosurfCaseId(SbBoolVector &nodes_sign) const;

 private:

  void copy(const PbQuadrangleCell &cell) ;
  void destroy();
  int locatePointOnXY(const SbVec3f &coord, const SbVec3f &proj_coord, float tolerance, SbVec3f &pcoord, int indx, int indy) const;
  SbVec3f    m_normal;
  SbBool     m_2DCell;
  static int             c_edgeNodes[4][2]; 
};


inline unsigned char
PbQuadrangleCell::getIsosurfCaseId(SbBoolVector &) const
{
  return 0; 
}

/*---------------------------------------------------------------------------*/

#endif /* _PB_QUADRANGLECELL_ */

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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