MeshViz/graph/PoPolarLogAxis.h

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

#ifndef  _PO_POLAR_LOG_AXIS_
#define  _PO_POLAR_LOG_AXIS_

#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoMFUShort.h>
#include <Inventor/fields/SoSFString.h>

#include <MeshViz/graph/PoPolarAxis.h>

class  PoPolarLogAxis : public PoPolarAxis {

  SO_KIT_HEADER(PoPolarLogAxis) ;

  /* Define fields for new parts */
  SO_KIT_CATALOG_ENTRY_HEADER(decadeTextSep) ;
  SO_KIT_CATALOG_ENTRY_HEADER(decadeTextApp) ;
  SO_KIT_CATALOG_ENTRY_HEADER(decadeText) ;


 public:

  enum DecadeListDef {
    DECADE_LIST_AUTO,    
    DECADE_LIST_NON_AUTO 
  } ;

  enum TenPowGradRep {
    TEN_POWER_POW10,    
    TEN_POWER_DECIMAL,  
    TEN_POWER_AUTO      
  } ;

  enum DecadeRep {
    DECADE_NONE,         
    DECADE_AS_TEN_POWER, 
    DECADE_DECIMAL,      
    DECADE_DIGIT,        
    DECADE_AUTO          
  } ;



  /* Fields */

  SoMFUShort decadeList ;

  SoSFEnum   decadeListDef ;

  SoSFEnum   tenPowerRep ;

  SoSFEnum   decadeRep ;

  SoSFString decadeFontName ;

  SoSFFloat  decadeFontSize ;

  /* Methods */

  PoPolarLogAxis() ;

  PoPolarLogAxis(float offset, float startRadius, float endRadius, float theta, 
                 DecadeListDef decadeListDef = DECADE_LIST_AUTO,
                 const unsigned short *decadeList = NULL, short numDecade = 0) ;

  virtual void rebuild() ;

  void getLogGrad(unsigned short &numDecade, unsigned short decadeList[8],
                  TenPowGradRep &tenPowerRep, DecadeRep &decadeRep, 
                  SbString &decadeFontName, float &decadeFontSize) const ;

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


 private:
  static void initClass() ;
    static void exitClass() ;

  struct Decade {
    DecadeRep          rep ;
    DecadeListDef      listDef ;
    int                *gradList ;
    size_t             number ;
    SbString           fontName ;
    float              fontSize ;
  } ;
 
 private:
  struct PolLogAxisAttr {
    TenPowGradRep   tenPowerRep ;
    Decade          decadeGrad ;
  } ;
  // Polar log axis attr

  // Methods
  // Destructor
  virtual ~PoPolarLogAxis() ;
  virtual SbBool setUpConnections(SbBool onOff, SbBool doItAlways = FALSE) ;
  virtual void   setDefaultOnNonWritingFields() ;

  // Save all axis attributes which can be modified by MeshViz.
  virtual void saveAxisAttr() ;

 private:
  // Init method
  void init(SbBool isDefault, DecadeListDef decadeListDef = DECADE_LIST_AUTO,
            const unsigned short *decadeList = NULL, short numDecade = 0) ;

  // Build polar log graduations - The graduations (main grad and decades grad)
  // are built under the nodes mainGroup and secondaryGroup.
  void buildLogGrad(const std::vector<float> &mainGradX, std::vector<float> &secdGradX,
                    size_t numDecades, int *decades, int firstDecInd,
                    SoGroup *mainGroup, SoGroup *secondaryGroup) ;

  // Compute polar log grad font size
  void computeLogGradFontSize(size_t numMainGrad, const char **main_str, 
                              const char **main_ten_pow_str, size_t numSecdGrad, 
                              const char **secd_str, const char **secd_ten_pow_str, 
                              float min_grad_dist, SbBool main_grad_pres_auto,
                              float &main_font_size, float &secd_font_size) ;

  // Computed logarithmic axis attributes
  PolLogAxisAttr  polLogAxisAttr ;

  // Sensors
  FieldSensorList fieldSensorList ;
  
  // List of fields defined in this class
  SoFieldList     fieldList ;

} ;

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

#endif /* _PO_POLAR_LOG_AXIS_ */

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Open Inventor Toolkit reference manual, generated on 22 Jul 2025
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