g3dsmooth.h

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#ifndef AIMS_SIGNALFILTER_G3DSMOOTH_H
#define AIMS_SIGNALFILTER_G3DSMOOTH_H

#include <aims/utility/converter_volume.h>
#include <aims/signalfilter/glines.h>
#include <aims/signalfilter/gcolumns.h>
#include <aims/signalfilter/gslices.h>


template< class T >
class Gaussian3DSmoothing
{
public:

  Gaussian3DSmoothing( float sx=1.0f, float sy=1.0f, float sz=1.0f );
  virtual ~Gaussian3DSmoothing() { }

  AimsData< T >  doit( const AimsData<T>& );

private:

  float sigx;
  float sigy;
  float sigz;
};


template< class T > inline 
Gaussian3DSmoothing< T >::Gaussian3DSmoothing( float sx, float sy, float sz )
  : sigx( sx ), sigy( sy ), sigz( sz )
{
//   ASSERT( sigx >= 0.1f && sigx <= 100.0f );
//   ASSERT( sigy >= 0.1f && sigy <= 100.0f );
//   ASSERT( sigz >= 0.1f && sigz <= 100.0f );
}


template< class T > inline
AimsData< T > Gaussian3DSmoothing< T >::doit( const AimsData< T >& data )
{
  float sx = sigx / data.sizeX();
  float sy = sigy / data.sizeY();
  float sz = sigz / data.sizeZ();

  carto::Converter< AimsData<T>, AimsData<float> > conv;
  AimsData< float >
    dataF( data.dimX(), data.dimY(), data.dimZ(), data.dimT() );
  dataF.setSizeX(data.sizeX());
  dataF.setSizeY(data.sizeY());
  dataF.setSizeZ(data.sizeZ());
  conv.convert( data, dataF );
  
  GaussianSlices gsli;
  gsli.doit( dataF, GCoef( sz ) );
  
  GaussianLines glin;
  glin.doit( dataF, GCoef( sx ) );
  
  GaussianColumns gcol;
  gcol.doit( dataF, GCoef( sy ) );

  carto::Converter< AimsData<float>, AimsData<T> > conv2;
  AimsData<T>   data3( data.dimX(), data.dimY(), data.dimZ(), data.dimT() );
  conv2.convert( dataF, data3 );

  return data3;
}

#endif