MeshViz/3Ddata/PbIndexedMesh3D.h

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

#ifndef  _PB_INDEXEDMESH3D_
#define  _PB_INDEXEDMESH3D_

#include <MeshViz/3Ddata/PbMesh3D.h>

class PbHexahedronCell;
class PbTetrahedronCell;
class PbWedgeCell;
class PbPyramidCell;

class  PbIndexedMesh3D : public PbMesh3D {


 public:



  PbIndexedMesh3D(SbBool is_data_duplicate=TRUE);

  PbIndexedMesh3D(const PbIndexedMesh3D &mesh);

  PbIndexedMesh3D(int num_nodes, const float *x_nod, const float *y_nod, const float *z_nod,
                  int num_cells, const int *cell_index, const int *cell_type,
                  SbBool is_data_duplicate=TRUE) ;

  ~PbIndexedMesh3D() ;

  PbIndexedMesh3D& operator=(const PbIndexedMesh3D &mesh) ;

   friend int operator ==(const PbIndexedMesh3D &m1, const PbIndexedMesh3D &m2);

   friend int operator !=(const PbIndexedMesh3D &m1, const PbIndexedMesh3D &m2)
  { return !(m1 == m2); }

  void setGeometry(int num_nodes, const float *x_nod, const float *y_nod,  const float *z_nod,
                   int num_cells, const int *cell_index, const int *cell_type);

  void setCoordinates(const float *x_nod, const float *y_nod, const float *z_nod);

  void getCoordinates(const float* &xnod, const float* &ynod, const float* &znod,
                      int &size_xnod, int &size_ynod, int &size_znod) const {
    xnod = xNodes;
    ynod = yNodes;
    znod = zNodes;
    size_xnod = size_ynod = size_znod = numMeshNodes;
  }

  void getGeometry(int &num_nodes, const float* &x_nod, const float* &y_nod, const float* &z_nod,
                   int &num_cells, const int *&cell_index, const int *&cell_type) const ;

  void getNodes(int &num_nodes, const float* &x_nod, const float* &y_nod, const float* &z_nod) const;

  virtual SbVec3f getNodeCoord(int nod_index) const { return SbVec3f(xNodes[nod_index],yNodes[nod_index],zNodes[nod_index]);};

  virtual void getNodeOwnerCellsInd(int nod_index, PbArrayOfInt &owner_cells) const;

  virtual const PbCell *getCell(int cell_index) const;


 private:

  // get the length of the longest edge of the mesh
  float getLongestEdgeLength();

  void meshSkin(PoMeshSkin *mesh_skin) const ; 
  void meshSkinFilter(PoMeshSkin *_PoMeshSkin,const PoCellFilter* cellFilter) const; // will be removed
  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 ;
  SbBool isEmpty() const;
  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;
  virtual void updateOwnerCellsList() const;
  virtual void deleteOwnerCellsList() const;
  void updateBoundingBox() const;

  int allocNodes;
  float *xNodes, *yNodes, *zNodes;
  int  allocElemIndex, *elemIndex, elemIndexSize;
  int allocElem, *elemType;
  // set vertices coordinates of a indexed mesh
  void setVertices(int num_nodes, const float *x_nod, const float *y_nod, const float *z_nod);

  mutable PbArrayOfInt *m_ownerCellsList;

  // list of the first index of each cell of this mesh
  mutable PbArrayOfInt m_firstIndexOfCell;

 private:
  void copy(const PbIndexedMesh3D &mesh) ;
  void destroy();
  PbHexahedronCell     *m_hexahedron;
  PbTetrahedronCell    *m_tetrahedron;
  PbWedgeCell          *m_wedge;
  PbPyramidCell        *m_pyramid;
} ;


inline void 
PbIndexedMesh3D::meshSkinFilter(PoMeshSkin *,const PoCellFilter* ) const
{}

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

#endif /* _PB_INDEXEDMESH3D_ */

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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