PbCartesianGrid3D.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PB_CARTESIANGRID3D_
#define  _PB_CARTESIANGRID3D_
 
#include <MeshViz/3Ddata/PbGrid3D.h>
 
class PbHexahedronCell;
 
class  PbCartesianGrid3D : public PbGrid3D {
 
 
 public:
 
  PbCartesianGrid3D(SbBool is_data_duplicated=TRUE) ;
 
  PbCartesianGrid3D(const PbCartesianGrid3D &);
 
  PbCartesianGrid3D(int num_x, int num_y, int num_z, const float *xnod, const float *ynod, const float *znod, 
                    SbBool is_data_duplicated=TRUE) ;
 
  ~PbCartesianGrid3D() ;
 
  PbCartesianGrid3D& operator=(const PbCartesianGrid3D &mesh) ;
 
   friend int operator ==(const PbCartesianGrid3D &m1, const PbCartesianGrid3D &m2);
 
   friend int operator !=(const PbCartesianGrid3D &m1, const PbCartesianGrid3D &m2)
  { return !(m1 == m2); }
 
  void setCoordinates(const float *xnod, const float *ynod, const float *znod);
 
  void getCoordinates(const float* &xnod, const float* &ynod, const float* &znod,
                      int &size_xnod, int &size_ynod, int &size_znod) const {
    xnod = x[0][0]; 
    ynod = y[0][0];
    znod = z[0][0];
    size_xnod = size_ynod = size_znod = numMeshNodes;
  }
 
  void getGeometry(int &num_x, int &num_y, int &num_z, const float*** &xa, const float*** &ya, const float*** &za) const;
 
  using PbGrid3D::getGeometry;
 
  virtual const PbCell *getCell(int cell_index) const;
 
  virtual SbVec3f getNodeCoord(int nod_index) const;
 
  SbVec3f getNodeCoord(int i, int j, int k) const {return SbVec3f(x[i][j][k],y[i][j][k],z[i][j][k]);};
 
  /*----------------------------------------------------------------------------*/
 
 
 private:
  
  float getLongestEdgeLength();
  // Gets the length of the longest edge of the mesh
 
  void meshCrossSection(PoMeshCrossSection *cross_section) const; 
  void meshCrossContour(PoMeshCrossContour *cross_contour) const ; 
  void meshSkeleton(PoMeshSkeleton *skeleton, const float *nod_values, 
                    float *x_cont, float *y_cont,float *z_cont) const; 
  void mesh3DVec(PoMesh3DVec *mesh_vec) const ;
  void print(FILE *fp) const;
 
  // get a cell, but this cell has'nt coordinate specified
  virtual const PbCell *getTopoCell(int cell_index) const;
 
 private:
  PbCartesianGrid3D(int num_x, int num_y, int num_z, SbBool is_data_duplicate=TRUE) ;
  void  updateCellBoundingBox() const;
  void setXYZGeometry(int num_x, int num_y, int num_z, const float *x, const float *y, const float *z);
  void getXYZGeometry(const float* &x, const float* &y, const float* &z) const;
  virtual void grid3DSkin(PoMeshSkin *_PoMeshSkin) const;
 
 private:
  void updateBoundingBox() const;
 
  float ***x, ***y, ***z;
 
  void copy(const PbCartesianGrid3D &mesh) ;
  void destroy();
 
  mutable PbHexahedronCell *m_hexahedron;
 
} ;
 
/*---------------------------------------------------------------------------*/
 
#endif /* _PB_CARTESIANGRID3D_ */