SoDataRange.h

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**=======================================================================*/
/*=======================================================================
** Author      : Jerome Hummel (Oct 2006)
**=======================================================================*/
 
 
#ifndef  _SO_DATA_RANGE__
#define  _SO_DATA_RANGE__
 
#include <Inventor/nodes/SoNode.h>
#include <Inventor/fields/SoSFDouble.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFInt32.h>
 
#include <LDM/nodes/SoDataSet.h>
#include <Inventor/algorithms/SoConversion.h>
 
class  SoDataRange : public SoNode {
  SO_NODE_HEADER( SoDataRange );
 
public:
  SoDataRange();
 
  SoSFInt32 dataRangeId;
 
  SoSFDouble min;
 
  SoSFDouble max;
 
  SoSFBool mapOnFullColorRange;
 
private:
  static void initClass();
  static void exitClass();
 
  static void mapDataRangeToIndex(
    const SoDataSet::DataType dataTypeSrc, SoBufferObject* sourceBufferObject,
    const SoDataSet::DataType dataTypeDst, SoBufferObject* targetBufferObject,
    const double dataRangeMin, const double dataRangeMax, const bool dataRangeMap,
    const double undefinedValue = std::numeric_limits<double>::quiet_NaN()
    );
 
  
  static void mapDataRangeToRgba(
    const SoDataSet::DataType dataTypeSrc, SoBufferObject* sourceBufferObject,
    const SoDataSet::DataType dataTypeDst, SoBufferObject* targetBufferObject,
    const double dataRangeMin, const double dataRangeMax, const bool dataRangeMap,
    SoBufferObject *rgba, const int numRgba, SoConversion::MappingMethod rgbaMapping
    );
 
  static void mapDataToIndex(
    const SoDataSet::DataType dataTypeSrc, SoBufferObject* sourceBufferObject,
    const SoDataSet::DataType dataTypeDst, SoBufferObject* targetBufferObject,
    const int numSigBits
    );
 
 
  static void mapDataToRgba(
    const SoDataSet::DataType dataTypeSrc, SoBufferObject* sourceBufferObject,
    const SoDataSet::DataType dataTypeDst, SoBufferObject* targetBufferObject,
    const int numSigBits,
    SoBufferObject *rgba, const int numRgba, SoConversion::MappingMethod rgbaMapping
    );
 
 
private:
  virtual void doAction( SoAction *action );
  virtual void GLRender( SoGLRenderAction *action );
  virtual void callback( SoCallbackAction *action );
  virtual void getBoundingBox(SoGetBoundingBoxAction *action);
  virtual void pick(SoPickAction *action) ;
  virtual void write(SoWriteAction *action);
 
private:
  // Destructor
  virtual ~SoDataRange();
 
private:
 
  static SoConversion* s_conversion;
};
 
#endif // _SO_DATA_RANGE__