SoSeismic.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#if !defined SOSEISMIC_H
#define SOSEISMIC_H
 
#include <Inventor/SbDataType.h>
 
#include <Inventor/algorithms/SoAlgorithmsDefs.h>
 
#define HILBERT_FILTER_RADIUS 30
#define HILBERT_KERNEL_SIZE (2 * HILBERT_FILTER_RADIUS + 1)
 
class SoBufferObject;
class SoCpuBufferObject;
class SoConvolution;
 
class   SoSeismic
{
private:
  static void initClass();
 
  static void exitClass();
 
public:
  SoSeismic();
 
  virtual ~SoSeismic();
 
  virtual int computeInstPhase( SoBufferObject* sourceBufferObject, SoBufferObject* targetBufferObject,
                                    int traceSize, int numTrace );
 
  virtual int computeEnvelope( SoBufferObject* sourceBufferObject, SoBufferObject* targetBufferObject,
                                   int traceSize, int numTrace );
 
  virtual int computeHilbert( SoBufferObject* sourceBufferObject, SoBufferObject* targetBufferObject,
                                    int width, int height );
 
  int computeInstPhase( SoCpuBufferObject* sourceBufferObject, SoCpuBufferObject* targetBufferObject,
                                    int traceSize, int numTrace );
 
  int computeEnvelope( SoCpuBufferObject* sourceBufferObject, SoCpuBufferObject* targetBufferObject,
                                   int traceSize, int numTrace );
 
  int computeHilbert( SoCpuBufferObject* sourceBufferObject, SoCpuBufferObject* targetBufferObject,
                                    int width, int height );
 
private:
 
  static void initKernel();
 
  static void genHilbert( float* kernel, unsigned int k_radius );
 
private:
 
  // Hilbert kernel storage.
  static float s_hilbertKernel[ HILBERT_KERNEL_SIZE ];
 
private:
  // reference on convolution module used.
  SoConvolution* m_convolutionInterface;
 
};
 
#endif //SOSEISMIC_H