TerrainViz/SbTVizRegularGridData.h

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/*=======================================================================
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 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
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**=======================================================================*/
/*=======================================================================
** Author      : C. OGNIER (Feb 2001)
**=======================================================================*/

#ifndef SBTVIZREGULARGRIDDATA_H
#define SBTVIZREGULARGRIDDATA_H

#include  <TerrainViz/SbTVizData.h>

#include <Inventor/SbLinear.h>
#include <Inventor/SbString.h>


class Array2D;

class SoDEPRECATED SbTVizRegularGridData : public SbTVizData {

 public:
  SbTVizRegularGridData();

  SbTVizRegularGridData(const SbTVizRegularGridData& data);
  
  virtual ~SbTVizRegularGridData();

  SbBool loadDataFile(const SbString& fileName, const SbVec3d& step, const SbVec3d& offset);
  SbBool loadDataFile(const SbString& fileName, const SbVec2s numSamples, 
                      const SbVec3d& step,      const SbVec3d& offset, 
                      DataType dataType,  OpenMode openMode, 
                      Encoding encoding);

  float getAvgValue() const;
  float getMaxValue() const;
  float getMinValue() const;


  float getValue(const SbVec2d& point) const;
  float getValue(int idx) const;
        
  int getLineValues(SbVec3f*& values, SbVec2d& point0, SbVec2d& point1, float& lineStep) const;


  void setValues(const void* data, const SbVec2s numSamples, const SbVec3d& step, 
                 const SbVec3d& offset, DataType dataType);

  inline const SbVec2s&  getNumSamples() const {return numSamples;};
  inline const SbVec3d&  getSteps() const {return step;};

  SbBool writeDataFile(const SbString& filename, OpenMode mode);


 private:
  SbBool isOfType(SbString& className) const;

  ZType getZValue(SbVec2i32 coord) const;
  float getModellingZValue(SbVec2i32 coord) const;

  // In internal coordinates (IC) 0-1 0-1
  float getAvgValueIC() const;
  float getMaxValueIC() const;
  float getMinValueIC() const;

  const Array2D* getArray2D() const {return m_data;};

 private:
  FILE* openFile(SbString& out_buf, SbString& mode);

  SbBool loadDataFile();
  SbBool readData(FILE* fd);
  void   adjustData();

  void uppercase(char* str);

  void endianConvertUShort(unsigned short* data);
  void endianConvertShort(short* data);
  void endianConvertFloat(float* data);
  void endianConvertUInt(uint32_t* data);
  void endianConvertInt(int32_t* data);

  void writeASCIIData(FILE* fd);


  SbVec2s numSamples;
  SbVec3d step;

  // Data array
  Array2D*   m_data;
  void* m_xmap;
  void* m_ymap;
};

#endif

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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