MeshVizXLM/mapping/nodes/MoLegend.h

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

#include <MeshVizXLM/mapping/nodes/MoMeshBaseRepresentation.h>
#include <MeshVizXLM/mapping/interfaces/MiColorMapping.h>

#include <MeshVizXLM/MbVec3.h>

#include <Inventor/misc/SoRef.h>
#include <Inventor/caches/SoCache.h>
#include <Inventor/fields/SoSFDouble.h>
#include <Inventor/fields/SoSFVec2f.h>
#include <Inventor/fields/SoSFUInt32.h>

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

class SoState;
class SbColorRGBA;
class MdSurfaceMeshRectilinear;

class MxScalarSetIj;
class MdSurfaceMesh;
class MdLevelColorMapping;
class MdLinearColorMapping;
class MdPredefinedColorMapping;


class MESHVIZXLM_DMAP_API MoLegend : public MoMeshBaseRepresentation {

  SO_NODE_HEADER(MoLegend) ;

public:

  MoLegend() ;

  SoSFVec2f bottomLeft;

  SoSFVec2f topRight;

  SoSFDouble minValue;

  SoSFDouble maxValue;

  SoSFBool vertical;

  SoSFString title;

  SoSFFloat titleFontSize;

  SoSFColor titleColor;

  enum Position {   
    POS_BOTTOM,  
    POS_TOP,     
    POS_RIGHT,   
    POS_LEFT     
  } ;

  SoSFEnum titlePosition;

  SoSFBool displayValues;


  SoSFInt32 numValues;

  SoSFColor valuesColor;
    
  SoSFFloat valuesFontSize;

  enum Notation {
    NOTATION_DEFAULT,
    NOTATION_FIXED,
    NOTATION_SCIENTIFIC
  };

  SoSFEnum valueNotation;

  SoSFUInt32 valuePrecision;

  /*----------------------------------------------------------------------------*/
  private:
  virtual void doAction(SoAction *action);

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

private:
  virtual ~MoLegend() ;  

  void fillLegend(SoState* state);
  void fillLevelCM(SoState* state, const MdLevelColorMapping& levelCM);
  void fillLinearCM(SoState* state, const MdLinearColorMapping& linearCM);
  void fillPredefCM(SoState* state, const MdPredefinedColorMapping& predefCM);
  void fillCustomCM(SoState* state, const MiColorMapping<double,SbColorRGBA>& customCM);
  void createMesh(SoState* state, int ind, std::vector<float>& coords0, std::vector<float> coords1, float xmin, float xmax, double vmin, double vmax);
  void getLegendRange(const MiColorMapping<double, SbColorRGBA>& cmap,double& vmin,double& vmax);

  void drawTitle(SoState* state);
  void drawValues(SoState* state,double vmin, double vmax);
  
  void clear();

  MdSurfaceMesh* m_surface;
  SoSeparator*   m_textGroup;
  SoSeparator*   m_valuesGroup;
  MdSurfaceMeshRectilinear* m_legendMesh;
  MxScalarSetIj* m_scalarSet;
private:
  SoRef<SoCache> m_cache;
  void buildCache( SoState *state );
  SbBool checkCache( SoState *state );
} ;

#ifdef _WIN32
#pragma warning(pop)
#endif

#endif /* _MoLegend_ */

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Open Inventor Toolkit reference manual, generated on 15 Mar 2023
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