MeshViz/3Ddata/PoMeshCrossSection.h

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

#ifndef  _PO_MESHCROSSSECTION_
#define  _PO_MESHCROSSSECTION_

#include <MeshViz/3Ddata/PoMesh3D.h>
#include <Inventor/fields/SoSFPlane.h>

#include <Inventor/STL/vector>

#ifdef _WIN32
#pragma warning(push)
#pragma warning(disable:4251)
#endif

class PbIndexedMesh3D;
class PbTetrahedronMesh3D;
class PbHexahedronMesh3D;
class PbCartesianGrid3D;
class PbParalCartesianGrid3D;
class PbRegularCartesianGrid3D;
class PbMesh;

class SoMFInt32;
class SoMFVec3f;
class SoCoordinate3;
class SoMaterial;

class  PoMeshCrossSection : public PoMesh3D {

  SO_KIT_HEADER(PoMeshCrossSection) ;

  // Define fields for new parts
  SO_KIT_CATALOG_ENTRY_HEADER(groupCrossSection) ;


 public:

  PoMeshCrossSection() ;

  virtual void   rebuild() ;

  SoSFPlane  plane;


  enum CrossSectionMethod {
    DEFAULT,
    ISOSURFACE,
    INTERSECTION
  };

  void setCrossSectionMethod(CrossSectionMethod method=DEFAULT) 
    { m_crossMethod = method; }
  /*----------------------------------------------------------------------------*/
 private:
  static void initClass() ;
    static void exitClass() ;

  void indexedMeshCrossSection(PbIndexedMesh3D *mesh) ;
  void tetrahedronMeshCrossSection(PbTetrahedronMesh3D *mesh) ;
  void hexahedronMeshCrossSection(PbHexahedronMesh3D *mesh) ;
  void cartGrid3DCrossSection(PbCartesianGrid3D *mesh);
  void paralCartGrid3DCrossSection(PbParalCartesianGrid3D *mesh);
  void regularGrid3DCrossSection(PbRegularCartesianGrid3D *mesh);

  const float *getIsosurfDataSet();
  float getIsosurfValue() const;

  virtual size_t getMemorySize();

 private:
  // Destructor
  virtual ~PoMeshCrossSection() ;  
  virtual void   setDefaultOnNonWritingFields();
  virtual SbBool setUpConnections(SbBool onOff, SbBool doItAlways = FALSE) ;
  virtual void addElementsAllCaches() ;
  virtual void preRebuild();

  virtual int getIsosurfDataSetId() const;
  virtual SbVec3f getOverallNormal() const;

  /*----------------------------------------------------------------------------*/
 private:
  
  FieldSensorList m_fieldSensorList ;
  // Sensors

  SoFieldList     m_fieldList ;
  // List of fields defined in this class

  SoCoordinate3 *crossSectionCoord;

  void orientPolygon(std::vector< int > &coordIndex, int start_ind, float xn, float yn, float zn);

  void crossPlaneAndTetrahedron(int cell_index, const float *x,const float *y, const float *z, const float *v, const int *tetra_nodes, 
                                float xn,float yn,float zn, float dist_plane_orig, 
                                int &num_cross_pt, SbBool at_vertex=TRUE);
  void crossPlaneAndPyramid(int cell_index, const float *x,const float *y, const float *z, const float *v, const int *pyra_nodes, 
                            float xn,float yn,float zn, float dist_plane_orig, 
                            int &num_cross_pt, SbBool at_vertex=TRUE);
  void crossPlaneAndPentahedron(int cell_index, const float *x,const float *y, const float *z, const float *v, const int *penta_nodes, 
                                float xn,float yn,float zn, float dist_plane_orig, 
                                int &num_cross_pt, SbBool at_vertex=TRUE);
  void crossPlaneAndHexahedron(int cell_index, const float *x,const float *y, const float *z, const float *v, 
                               const int *hexa_nodes, const int *hexa_ind, 
                               float xn,float yn,float zn, float dist_plane_orig, 
                               int &num_cross_pt, SbBool at_vertex=TRUE);
  SbBool isFaceAlreadyFound(int num_new_points, int nb_pt_inters, int pt_inters_sorted[4]);
  
  void tetrahedronMeshCrossSectionInhColr(PbTetrahedronMesh3D *mesh, const float *v, SbBool at_vertex=TRUE) ;
  void tetrahedronMeshCrossSectionMapColr(PbTetrahedronMesh3D *mesh, const float *v) ;
  void tetrahedronMeshCrossSectionContColr(PbTetrahedronMesh3D *mesh, const float *v) ;
  void tetrahedronMeshCrossSectionTexContColr(PbTetrahedronMesh3D *mesh, const float *v) ;
  void tetrahedronMeshCrossSectionPerCellColr(PbTetrahedronMesh3D *mesh, const float *v) ;

  void hexahedronMeshCrossSectionInhColr(PbHexahedronMesh3D *mesh, const float *v, SbBool at_vertex=TRUE);
  void hexahedronMeshCrossSectionMapColr(PbHexahedronMesh3D *mesh, const float *v) ;
  void hexahedronMeshCrossSectionContColr(PbHexahedronMesh3D *mesh, const float *v) ;
  void hexahedronMeshCrossSectionTexContColr(PbHexahedronMesh3D *mesh, const float *v) ;
  void hexahedronMeshCrossSectionPerCellColr(PbHexahedronMesh3D *mesh, const float *v) ;

  void indexedMeshCrossSectionInhColr(PbIndexedMesh3D *mesh, const float *v, SbBool at_vertex=TRUE) ;
  void indexedMeshCrossSectionMapColr(PbIndexedMesh3D *mesh, const float *v) ;
  void indexedMeshCrossSectionContColr(PbIndexedMesh3D *mesh, const float *v) ;
  void indexedMeshCrossSectionTexContColr(PbIndexedMesh3D *mesh, const float *v) ;
  void indexedMeshCrossSectionPerCellColr(PbIndexedMesh3D *mesh, const float *v) ;

  void cartGrid3DCrossSectionInhColr(PbCartesianGrid3D *mesh, const float *v, SbBool at_vertex=TRUE);
  void cartGrid3DCrossSectionMapColr(PbCartesianGrid3D *mesh, const float *v);
  void cartGrid3DCrossSectionContColr(PbCartesianGrid3D *mesh, const float *v);
  void cartGrid3DCrossSectionTexContColr(PbCartesianGrid3D *mesh, const float *v);
  void cartGrid3DCrossSectionPerCellColr(PbCartesianGrid3D *mesh, const float *v);

  void paralCartGrid3DXCrossSectionInhColr(PbParalCartesianGrid3D *mesh, const float *v, SbBool at_vertex=TRUE);
  void paralCartGrid3DYCrossSectionInhColr(PbParalCartesianGrid3D *mesh, const float *v, SbBool at_vertex=TRUE);
  void paralCartGrid3DZCrossSectionInhColr(PbParalCartesianGrid3D *mesh, const float *v, SbBool at_vertex=TRUE);
  void paralCartGrid3DCrossSectionInhColr(PbParalCartesianGrid3D *mesh, const float *v, SbBool at_vertex=TRUE);
  void paralCartGrid3DCrossSectionMapColr(PbParalCartesianGrid3D *mesh, const float *v);
  void paralCartGrid3DCrossSectionContColr(PbParalCartesianGrid3D *mesh, const float *v);
  void paralCartGrid3DCrossSectionTexContColr(PbParalCartesianGrid3D *mesh, const float *v);
  void paralCartGrid3DCrossSectionPerCellColr(PbParalCartesianGrid3D *mesh, const float *v);

  void regularGrid3DXCrossSectionInhColr(PbRegularCartesianGrid3D *mesh, const float *v, SbBool at_vertex=TRUE);
  void regularGrid3DYCrossSectionInhColr(PbRegularCartesianGrid3D *mesh, const float *v, SbBool at_vertex=TRUE);
  void regularGrid3DZCrossSectionInhColr(PbRegularCartesianGrid3D *mesh, const float *v, SbBool at_vertex=TRUE);
  void regularGrid3DCrossSectionInhColr(PbRegularCartesianGrid3D *mesh, const float *v, SbBool at_vertex=TRUE);
  void regularGrid3DCrossSectionMapColr(PbRegularCartesianGrid3D *mesh, const float *v);
  void regularGrid3DCrossSectionContColr(PbRegularCartesianGrid3D *mesh, const float *v);
  void regularGrid3DCrossSectionTexContColr(PbRegularCartesianGrid3D *mesh, const float *v);
  void regularGrid3DCrossSectionPerCellColr(PbRegularCartesianGrid3D *mesh, const float *v);

  int m_allocElementFaces,m_numElementFaces;
  int (*m_elementFaces)[5];

  SbBool       m_distNodes2PlaneUpdated;
  std::vector<float> m_distNodes2Plane;
  int          m_distNodes2PlaneId; // state id of the data set (m_distNodes2Plane)
  float        m_crossValue;

  SbVec3f      m_lastPlaneNormal;
  SbBool       m_crossMethod;

} ;

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

#define P_PLANE_EPS 0.0001

#ifdef _WIN32
#pragma warning(pop)
#endif

#endif /* _PO_MESHCROSSSECTION  _ */

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Open Inventor Toolkit reference manual, generated on 15 Mar 2023
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