PbTetrahedronMesh3D.h

/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PB_TETRAHEDRONMESH3D_
#define  _PB_TETRAHEDRONMESH3D_
 
#include <MeshViz/3Ddata/PbIndexedMesh3D.h>
 
class PbTetrahedronCell;
 
class  PbTetrahedronMesh3D : public PbIndexedMesh3D {
 
 
 public:
 
  PbTetrahedronMesh3D(SbBool isDataDuplicate=TRUE) ;
 
  PbTetrahedronMesh3D(const PbTetrahedronMesh3D &mesh);
 
  PbTetrahedronMesh3D(int num_nodes, const float *x_nod, const float *y_nod, const float *z_nod,
                      int num_tetrahedrons, const int *tetrahedron_index,
                      SbBool is_data_duplicate=TRUE) ;
 
  ~PbTetrahedronMesh3D() ;
 
  PbTetrahedronMesh3D& operator=(const PbTetrahedronMesh3D &mesh) ;
 
   friend int operator ==(const PbTetrahedronMesh3D &m1, const PbTetrahedronMesh3D &m2);
 
   friend int operator !=(const PbTetrahedronMesh3D &m1, const PbTetrahedronMesh3D &m2)
  { return !(m1 == m2); }
 
  virtual void setGeometry(int num_nodes, const float *x_nod, const float *y_nod, const  float *z_nod,
                           int num_tetrahedrons, const int *tetrahedron_index);
 
  virtual void getGeometry(int &num_nodes, const float *&x_nod, const float *&y_nod, const float *&z_nod,
                           int &num_tetrahedrons, const int *&tetrahedron_index) const;
 
  virtual void getNodesOwnerCellsInd(const PbArrayOfInt &nod_indices, PbArrayOfInt &owner_cells) const;
 
  virtual const PbCell *getCell(int cell_index) const;
 
#if 1             SoDEPRECATED
  virtual void getGeometry(int &num_nodes, const float *&x_nod, const float *&y_nod, const float *&z_nod,
                           int &num_tetrahedrons, const int **&tetrahedron_index) const;
 
#endif 
  /*----------------------------------------------------------------------------*/
 private:
 
  float getLongestEdgeLength();
  // get the length of the longest edge of the mesh
 
  void meshCrossSection(PoMeshCrossSection *cross_section) const ; 
  void mesh3DVec(PoMesh3DVec *mesh_vec) const ;
 
  // find the mesh's cell that contain the point, given (optianal) an adjacent cell.
  // returns also the weight of the point in the found cell
  // be carefull : this is a naive method, prefer inherited method findContainingCell
  const PbCell* findContainingCellNaive(const SbVec3f &point, float tolerance, SbVec3f &pcoord, const PbCell *adjacent_cell) ;
  const PbCell* findContainingCellNaive(const SbVec3f &point, float tolerance, SbVec3f &pcoord) ;
 
  void print(FILE *fp) const;
 
  // get a cell, but this cell has'nt coordinate specified
  virtual const PbCell *getTopoCell(int cell_index) const;
 
 private:
  void updateCellBoundingBox() const;
  void updateOwnerCellsList() const;
 
 private:
  void copy(const PbTetrahedronMesh3D &mesh) ;
  void destroy();
  
  mutable PbTetrahedronCell *m_tetrahedron;
};
 
/*---------------------------------------------------------------------------*/
 
#endif /* _PB_TETRAHEDRONMESH3D_ */