PoBaseStreamLine.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PO_BASESTREAMLINE_
#define  _PO_BASESTREAMLINE_
 
#include <MeshViz/3Ddata/PoMesh.h>
 
class SbVec3f;
class PbCell;
class PiStreamPath;
class PoCellFilter;
 
class  PoBaseStreamLine : public PoMesh {
  
  SO_KIT_HEADER(PoBaseStreamLine) ;
  
 
 public:
 
  PoBaseStreamLine() ;
 
  /* Fields */
 
  SoMFVec3f startPoints;                  
 
  SoMFColor colors;     
 
  SoSFFloat maxLifetime;
 
  SoSFFloat maxLength;  
 
  SoSFFloat minSpeed;   
 
  SoSFFloat integrationStepLengthFactor;
 
  SoSFInt32 integrationMaxStepNumber;
 
  SoSFEnum  integrationDirection;
 
  enum IntegrationDirection {
    FORWARD,  
    BACKWARD  
  } ;
 
 
 
  /*----------------------------------------------------------------------------*/
 private:
  static void initClass() ;
    static void exitClass() ;
 
  void integrateStreamLine(const PbCell *start_cell, const SbVec3f &start_point, const SbVec3f &pcoord, PiStreamPath &stream_path, 
                           float &length, float &time,
                           const PoCellFilter* cell_filter,const float *values_filter);
  void integrateStreamLine(const SbVec3f &start_point, PiStreamPath &stream_path,
                           float &length, float &time);
 
 private:
  virtual ~PoBaseStreamLine() ;  
  // Destructor
 
  // Methods
  virtual void   setDefaultOnNonWritingFields() ;
  virtual SbBool setUpConnections(SbBool onOff, SbBool doItAlways = FALSE) ;
  virtual void addElementsAllCaches() ;
  virtual void preRebuild();
 
  virtual void saveNorm(PiStreamPath &stream_path, const PbCell *cell, SbVec3f &coord, SbVec3f &pcoords);
  virtual void saveSpeed(PiStreamPath &stream_path, SbVec3f &speed);
  virtual void saveTime(PiStreamPath &stream_path, float time);
 
 private:
  // Sensors
  FieldSensorList m_fieldSensorList ;
  
  // List of fields defined in this class
  SoFieldList     m_fieldList ;
} ;
 
/*----------------------------------------------------------------------------*/
 
#endif /* _PO_BASESTREAMLINE_ */