MeshViz/graph/PbIsovaluesList.h

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

#ifndef  _PB_ISOVALUES_LIST_
#define  _PB_ISOVALUES_LIST_

#include <MeshViz/graph/PbBase.h>

class  PbIsovaluesList : public PbBase {


 public:

  PbIsovaluesList() ;

  PbIsovaluesList(const PbIsovaluesList &isovalList) ;

  PbIsovaluesList(float min, float max, int numValues) ;

  ~PbIsovaluesList() ;

  PbIsovaluesList& operator=(const PbIsovaluesList &isovalList) ;

  int operator==(const PbIsovaluesList &isoList) ;

  int operator!=(const PbIsovaluesList &isoList)
  { return !(*this == isoList) ; }

  void setIrregularIsoList(int numValues, const float *values) ;

  void setRegularIsoList(int numFloats, const float *values, int numValues) ;

  void setRegularIsoList(int numFloats, const float *values) ;

  void setRegularIsoList(int numValues, float firstValue, float step) ;

  void setRegularIsoList(float min, float max, int numValues) ;

  void setRegularIsoList(float min, float max) ;

  void setRegularIsoList(int numValues) ;

  const float *getIsoList(int &numValues, float &min, float &max, float &step,
                          SbBool &isRegularIsoList) const ;

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


 private:

  void isoListDependsOnRep(SbBool flag)
    { m_isDependOnRep = flag ; }
  // Enables the isovalue list to be made depending on a representation (the 
  // isovalue list is computed by a representation). Be careful, all representations 
  // cannot compute a list of isovalues (For the moment, only mesh representations 
  // are able to compute an isovalue list from mesh limit). By default, the isovalue 
  // list does not depend on a representation.
  
  SbBool isIsoListDependsOnRep() const
    { return m_isDependOnRep ; }
  // Returns TRUE, if the isovalue list depends on a representation, otherwise 
  // FALSE.

  float getLowerIsovalue(float value) const ;
  float getUpperIsovalue(float value) const ;
  int   getIndex(float value) const ;

 private:
  // Used by constructor per copy and affectation operator
  void copy(const PbIsovaluesList &isovalList, SbBool isConstructorPerCopy) ;

  // Used to debug
  void print() ;

  // Allow to allocate isovalues list
  void allocIsovalList() ;

  // Compute a homogeneous isovalues list from min, max and 
  // number of values desired
  void homogIsovalList(float min, float max, int numValues) ;
  
  float  m_minValue, m_maxValue, *m_isovalList, m_stepIsoValues,
    m_deltaIsoMin ; // not used for the moment
  int    m_numIsoValues, m_numAllocValues ;
  SbBool m_isRegularIsovalList, m_isDependOnRep ;
} ;

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

#endif /* _PB_ISOVALUES_LIST_ */

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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