PbIndexedMesh2D.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PB_INDEXEDMESH2D_
#define  _PB_INDEXEDMESH2D_
 
#include <Inventor/STL/vector>
 
#include <MeshViz/3Ddata/PbMesh2D.h>
class PiContouring;
class PiEdgeList;
class PiEdge;
class PbQuadrangleCell;
class PbTriangleCell;
 
class  PbIndexedMesh2D : public PbMesh2D {
 
 
 public:
 
 
 
  PbIndexedMesh2D(SbBool is_data_duplicate=TRUE);
 
  PbIndexedMesh2D(const PbIndexedMesh2D &mesh);
 
  PbIndexedMesh2D(int num_nodes, const float *x_nod, const float *y_nod, 
                  int num_cells, const int *cell_index, const int *cell_type,
                  SbBool is_data_duplicate=TRUE) ;
 
  PbIndexedMesh2D(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) ;
 
  ~PbIndexedMesh2D() ;
 
  PbIndexedMesh2D& operator=(const PbIndexedMesh2D &mesh) ;
 
   friend int operator ==(const PbIndexedMesh2D &m1, const PbIndexedMesh2D &m2);
 
   friend int operator !=(const PbIndexedMesh2D &m1, const PbIndexedMesh2D &m2)
  { return !(m1 == m2); }
 
  void setGeometry(int num_nodes, const float *x_nod, const float *y_nod, 
                   int num_cells, const int *cell_index, const int *cell_type);
 
  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 getGeometry(int &numNode, const float* &x_nod, const float* &y_nod, const float* &z_nod,
                   int &num_cells, const int32_t *&cell_index, const int32_t *&cell_type) const ;
 
  void getGeometry(int &numNode, const float* &x_nod, const float* &y_nod,
                   int &num_cells, const int32_t *&cell_index, const int32_t *&cell_type) const ;
 
  void getNodes(int &num_nodes, const float* &x_nod, const float* &y_nod, const float* &z_nod) const;
 
  void getNodes(int &num_nodes, const float* &x_nod, const float* &y_nod) const;
 
  virtual SbVec3f getNodeCoord(int nod_index) const;
 
  virtual void getNodeOwnerCellsInd(int nod_index, PbArrayOfInt &owner_cells) const;
 
  virtual const PbCell *getCell(int cell_index) const;
 
  enum ElemOrientation {
    ORIENTATION_AS_IS, 
    ORIENTATION_ZPOS,  
    ORIENTATION_ZNEG   
  } ;
 
 
 
  virtual void setElemOrientation(ElemOrientation cell_orient);
 
  /*----------------------------------------------------------------------------*/
 
 
 private:
 
  void meshLines(PoMeshLines *_PoMeshLines) const; 
  void meshFilled(PoMeshFilled *_PoMeshFilled) const; 
  void meshContouring(PiContouring *_PiContouring, const float *z) const;
  void mesh2DVec(PoMesh2DVec *mesh_vec) const ;
  SbBool isEmpty() const;
 
  void print(FILE *fp) const;
 
  ElemOrientation getElemOrientation() const;
  const SbBool * getOrientFlags() const;
  virtual SbVec3f getFirstCellNormal() const;
 
  void getNodesCoord(const float *z, SoMFVec3f &vertices) const;
 
  virtual void getLimitIndices(PbArrayOfInt &nodesIndex, PbArrayOfInt &limitSizes) const; 
 
 private:
  PbIndexedMesh2D(int num_z, const float *z, SbBool is_data_duplicate=TRUE);
 
  virtual const PbCell* findContainingCellProtected(const SbVec3f &point, float tolerance, SbVec3f &pcoord, PbArrayOfInt &test_cell) const;
  void updateCellBoundingBox() const;
  virtual void updateOwnerCellsList() const;
  virtual void deleteOwnerCellsList() const;
  void updateBoundingBox() const;
 
  ElemOrientation elemOrientation;
  SbBool *elemOrientFlags;
  int allocNodes;
  float *xNodes, *yNodes;
  int32_t allocElemIndex, *elemIndex, elemIndexSize;
  int32_t allocElem, *elemType;
  // set vertices coordinates of an indexed mesh
  void setVertices(int num_nodes, const float *x_nod, const float *y_nod);
  
  mutable std::vector<PbArrayOfInt> m_ownerCellsList;
 
 private:
 
  void constructDefaultMesh();
  void constructXYGeometry(int num_nodes, const float *x_nod, const float *y_nod, 
                           int num_cells, const int *cell_index, const int *cell_type,
                           SbBool is_data_duplicate);
  void setXYGeometry(int num_nodes, const float *xNode, const float *yNode, 
                     int num_cells, const int *cell_index, const int *cell_type);
 
  void copy(const PbIndexedMesh2D &mesh) ;
  void destroy();
 
  PbQuadrangleCell *m_quadrangle;
  PbTriangleCell   *m_triangle;
} ;
 
/*---------------------------------------------------------------------------*/
 
#endif /* _PB_INDEXEDMESH2D_ */