PbMesh.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PB_MESH_
#define  _PB_MESH_
 
#include <Inventor/SbBox.h>
#include <Inventor/SbLinear.h>
#include <Inventor/SbString.h>
#include <Inventor/STL/set>
 
#include <MeshViz/nodes/PoMeshProperty.h>
#include <MeshViz/graph/PbBase.h>
#include <MeshViz/misc/PbArrayOfInt.h>
 
class PbCell;
template <class _T> class PiSetOfDataSet;
 
 
class  PbMesh : public PbBase {
 
 
 public:
 
  enum DataBinding {
    PER_CELL = PoMeshProperty::PER_CELL,
    PER_NODE = PoMeshProperty::PER_NODE
  };
 
 
  PbMesh(SbBool is_data_duplicated=TRUE) ;
 
  PbMesh(const PbMesh &mesh);
 
  ~PbMesh() ;
 
  PbMesh& operator=(const PbMesh &mesh) ;
 
  int getNumNodes() const;
 
  int getNumCells() const;
 
  virtual SbVec3f getNodeCoord(int nod_index) const=0;
 
  SbBox3f getBoundingBox() const;
 
  SbBool isDataDuplicated() const { return isDataDuplicate; }
 
  virtual void addValuesSet(int set_index, const float *val, const SbString &set_name = "");
 
  void addValuesSet(int set_index, const float *val, DataBinding binding, const SbString &set_name = "");
 
  DataBinding getValuesBinding(int set_index) const;
 
  virtual void addStringsSet(int set_index, const SbString *val, const SbString &set_name = "");
 
  virtual void addVecsSet(int set_index, const SbVec3f *val, const SbString &set_name = "");
 
  virtual const SbString* getValuesSetName(int set_index) const ;
 
  virtual const SbString* getStringsSetName(int set_index) const ;
 
  virtual const SbString* getVecsSetName(int set_index) const ;
 
  virtual const float* getValuesSet(int set_index) const;
 
  virtual const SbString* getStringsSet(int set_index) const;
 
  virtual const SbVec3f* getVecsSet(int set_index) const;
 
  virtual SbBool removeValuesSet(int set_index);
 
  virtual SbBool removeStringsSet(int set_index);
 
  virtual SbBool removeVecsSet(int set_index);
 
  virtual void removeAllValuesSet();
 
  virtual void removeAllStringsSet();
 
  virtual void removeAllVecsSet();
 
  virtual int getNumValuesSet() const;
 
  virtual int getNumStringsSet() const;
 
  virtual int getNumVecsSet() const;
 
  virtual SbBool getMinValuesSet(int set_index, float &min) const;
 
  virtual SbBool getMinVecsSet(int set_index, float &min) const;
 
  virtual SbBool getMaxValuesSet(int set_index, float &max) const;
 
  virtual SbBool getMaxVecsSet(int set_index, float &max) const;
 
  virtual void getNodeOwnerCellsInd(int nod_index, PbArrayOfInt &owner_cells) const=0;
 
  virtual void getNodesOwnerCellsInd(const PbArrayOfInt &nod_indices, PbArrayOfInt &owner_cells) const;
 
  virtual void getAdjacentCellsIndByNode(int cell_index, PbArrayOfInt &adjacent_cells) const;
 
  virtual void getAdjacentCellsIndByFacet(int cell_index, PbArrayOfInt &adjacent_cells) const;
 
  virtual const PbCell *getCell(int cell_index) const=0;
 
  virtual SbBox3f getSmallestCellBox(int &cell_index) const;
 
  virtual SbBox3f getBiggestCellBox(int &cell_index) const;
 
  virtual float getVolume() const=0;
 
  virtual float getArea() const=0;
 
  virtual const PbCell* findContainingCell(const SbVec3f &point, float tolerance, SbVec3f &pcoord, const PbCell *adjacent_cell) const;
 
  virtual const PbCell* findContainingCell(const SbVec3f &point, float tolerance, SbVec3f &pcoord) const;
 
  virtual void setCoordinates(const float *x_nod, const float *y_nod, const float *z_nod);
 
  virtual void getCoordinates(const float* &xnod, const float* &ynod, const float* &znod,
                              int &size_xnod, int &size_ynod, int &size_znod) const;
 
  /*----------------------------------------------------------------------------*/
 private:
  // internal use it only for Amira. PER_CELL binding for vec set is never taken into account in 
  // MeshViz representation
  void addVecsSet(int set_index, const SbVec3f *val, DataBinding binding, const SbString &set_name = "");
  DataBinding getVecsBinding(int set_index) const;
 
  // Gets the length of the longest edge of the mesh
  virtual float getLongestEdgeLength();
  virtual void print(FILE *fp) const;
  void printInfo() const {print(stdout);};
  virtual SbBool isEmpty() const;
 
  virtual const PbCell *getTopoCell(int cell_index) const;
 
  uint32_t getGeometryId() const { return m_geometryId; }
  uint32_t getTopologyId() const { return m_topologyId; }
  uint32_t getFltDataSetId(int index) const;
  uint32_t getVecDataSetId(int index) const;
  uint32_t getStrDataSetId(int index) const;
 
  /*----------------------------------------------------------------------------*/
 private:
  virtual void updateBoundingBox()const=0;
  virtual void updateCellBoundingBox() const;
  virtual const PbCell* findContainingCellProtected(const SbVec3f &point, float tolerance, SbVec3f &pcoord, PbArrayOfInt &test_cell) const=0;
  
  void updateGeometryId();
  void updateTopologyId();
  void updateFltDataId(uint32_t &id);
  void updateVecDataId(uint32_t &id);
  void updateStrDataId(uint32_t &id);
 
  SbBool isDataDuplicate;
  int     numMeshNodes;
  int     m_numMeshCells;
  
 
  SbBool m_longestEdgeLengthIsUpdated;
  float  m_longestEdgeLength;
 
  mutable SbBox3f m_meshBoundingBox;
 
  PiSetOfDataSet<float> *m_meshValuesSet;
  PiSetOfDataSet<SbString> *m_meshStringsSet;
  PiSetOfDataSet<SbVec3f> *m_meshVecsSet;
 
  mutable SbBool  m_meshBoundingBoxIsUpdated;
  mutable SbBool  m_cellBoundingBoxIsUpdated;
  mutable SbBox3f m_smallestCellBoundingBox;
  mutable SbBox3f m_biggestCellBoundingBox;
  mutable int     m_smallestCellInd;
  mutable int     m_biggestCellInd;
 
  /*----------------------------------------------------------------------------*/
 private:
  // State of the mesh
  uint32_t m_geometryId;  // defines the state of this mesh geometry
  uint32_t m_topologyId;  // defines the state of this mesh topology
 
  // static state id level
  static  uint32_t sm_nextGeometryId;
  static  uint32_t sm_nextTopologyId;
  static  uint32_t sm_nextFltDataId;
  static  uint32_t sm_nextVecDataId;
  static  uint32_t sm_nextStrDataId;
 
  mutable PbArrayOfInt m_CellsAlreadyTested;
 
  void copy(const PbMesh &mesh) ;
  void destroy();
};
 
/*---------------------------------------------------------------------------*/
 
inline int 
PbMesh::getNumNodes() const
{ return numMeshNodes; }
 
inline int 
PbMesh::getNumCells() const
{ return m_numMeshCells; }
 
inline SbBox3f
PbMesh::getBoundingBox() const 
{ 
  updateBoundingBox();
  return m_meshBoundingBox;
}
 
inline void
PbMesh::setCoordinates(const float *, const float *, const float *)
{}
 
inline void
PbMesh::getCoordinates(const float* &, const float* &, const float* &, int &, int &, int &) const
{}
 
inline const PbCell *
PbMesh::getTopoCell(int) const
{ return NULL; }
 
 
#endif /* _PB_MESH_ */