PoChart.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PO_CHART_
#define  _PO_CHART_
 
#include <MeshViz/graph/PoGraphMaster.h>
 
#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/fields/SoSFNode.h>
 
class  PoChart : public PoGraphMaster {
  
  SO_KIT_ABSTRACT_HEADER(PoChart) ;
  
 
 public:
 
  enum ColorBinding {
    INHERITED,
    PER_VERTEX,
    PER_PART
  } ;
 
 
 
  /* Fields */
 
  SoSFEnum colorBinding ;
 
  SoSFInt32 yValuesIndex ;
 
  SoSFInt32 colorValuesIndex ;
 
  SoSFNode material ;
 
  /*----------------------------------------------------------------------------*/
 
 
 private:
  static void initClass() ;
    static void exitClass() ;
 
  enum ColorSource {
    DATA_MAPPING,
    COLOR_LIST,
    INHERITED_SOURCE
  } ;
  
  // Retreives the color source.
  ColorSource getColorSource() const ;
 
 private:
  PoChart() ;
  // Constructor.
 
  virtual ~PoChart() ;
  // Destructor.
 
  // Overloaded methods
  virtual void addElementsAllCaches() ;
  virtual void preRebuild() ;
 
  // Compute the step angle for circular shape according to
  // the current complexity.
  virtual float computeStepAngle(SoState *state, float radius) const ;
 
  // Decompose a SoMaterial in N SoMaterial.
  // N is the max number of components of the material source.
  static SoNodeList* decomposeSoMaterial(SoMaterial *matSrc) ;
 
  // Methods
  virtual void   setDefaultOnNonWritingFields() ;
  virtual SbBool setUpConnections(SbBool onOff, SbBool doItAlways = FALSE) ;
 
 private:
  // Sensors
  FieldSensorList fieldSensorList ;
  
  // List of fields defined in this class
  SoFieldList     fieldList ;
} ;
 
/*----------------------------------------------------------------------------*/
 
#endif /*  _PO_CHART_ */