MeshViz/3Ddata/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;
  void printInfo() const {print(stdout);};

  // 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_ */

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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