MeshVizXLM/mapping/nodes/MoMeshStreamline.h

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/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#ifndef  _MO_MESHSTREAMLINE_
#define  _MO_MESHSTREAMLINE_

#include <MeshVizXLM/MbVec3.h>

#include <MeshVizXLM/mapping/nodes/MoMeshRepresentation.h>

#include <Inventor/fields/SoSFDouble.h>
#include <Inventor/fields/SoMFFloat.h>
#include <Inventor/fields/SoMFVec3f.h>
#include <Inventor/fields/SoSFInt32.h>

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

class MiStreamlineExtractUnstructured;
class MiStreamlineExtractUnstructuredIjk;
class MiStreamlineExtractIjk;
class MiVolumeMeshUnstructured;
class MiVolumeMeshUnstructuredIjk;
class MiVolumeMeshHexahedronIjk;
class MiVolumeMeshRegular;
class MiVolumeMeshRectilinear;
class MiVolumeMeshCurvilinear;

class MeLineMeshSet;
class MeSetOfVec3dSetI;
class MeSetOfScalardSetI;

class MESHIVIZDM_API MoMeshStreamline : public MoMeshRepresentation {

  SO_NODE_HEADER(MoMeshStreamline) ;

 public:

  MoMeshStreamline() ;

  SoSFInt32  vec3SetId;

  SoMFVec3f  startingPoints;

  SoSFDouble  maxLifeTime;

  SoSFDouble  maxLength;

  SoSFDouble  minSpeed;

  SoSFDouble  integrationStepLengthFactor;

  SoSFInt32  maxStepNumber;

  enum IntegrationDirection {
    FORWARD,  
    BACKWARD  
  } ;

  SoSFEnum  direction;


  const MiStreamlineExtractUnstructured*    getUnstructuredExtractor();
  const MiStreamlineExtractUnstructuredIjk* getUnstructuredIjkExtractor();
  const MiStreamlineExtractIjk*             getIjkExtractor();

  /*----------------------------------------------------------------------------*/
 private:
  static void initClass() ;
    static void exitClass() ;

 private:
  virtual void doExtract(SoAction * action);
  virtual const MiMesh* getExtractedMesh(MeshType& meshType);

  // computes the extract of the data set corresponding to the given index in the state list from the current representation's extractor.
  virtual const MiScalardSetI* extractScalarSetI(SoState * state,size_t scalarSetId) ;

  // computes the extract of the data set corresponding to the given index in the state list from the current representation's extractor.
  virtual const MiVec3dSetI* extractVec3SetI(SoState * state,size_t vectorSetId) ;

 private:
  virtual ~MoMeshStreamline() ;  

  void clear();
  template<typename _Extractor>
  void setParameters(_Extractor& extractor);
  void getStartPointList(std::vector<MbVec3d> &startPointList);

  template<typename _MeshInterface, typename _Extractor, typename _ScalarSet, typename _Vec3Set, typename _CellFilter>
  void doExtract(SoState * state,const _MeshInterface* mesh, _Extractor** extractor);

  template<typename _Extractor, typename _ScalarSet, typename _Vec3Set, typename _CellFilter>
  void extract(SoState * state, _Extractor* extractor, const std::vector<const MiScalardSet*>& colorSets, const _CellFilter *cellFilter);

  // Extractors used internally
  MiStreamlineExtractUnstructured*    m_streamlineExtractU;
  MiStreamlineExtractUnstructuredIjk* m_streamlineExtractUIjk;
  MiStreamlineExtractIjk*             m_streamlineExtractIjk;

  // Set of streamlines
  MeLineMeshSet* m_streamlineSet;
  MeSetOfVec3dSetI* m_setOfVec3Set; 
  MeSetOfScalardSetI* m_setOfScalarSet;

} ;

#ifdef _WIN32
#pragma warning(pop)
#endif

#endif /* _MO_MESHSTREAMLINE_ */

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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