subsamplingpyramid.h

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#ifndef AIMS_PYRAMID_SUBSAMPLINGPYRAMID_H
#define AIMS_PYRAMID_SUBSAMPLINGPYRAMID_H

#include <aims/vector/vector.h>
#include <cartodata/volume/volume.h>
#include <vector>

namespace aims {

  template <typename S>
  class SubSamplingPyramidBuilder
  {
  public:
    typedef S SubSampler;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    SubSamplingPyramidBuilder( const SubSampler & f, unsigned factor = 2 );
    SubSamplingPyramidBuilder( const SubSampler & f, const Point4du & factor );
    SubSamplingPyramidBuilder( const SubSampler & f, const std::vector<Point4du> & factor );
    SubSamplingPyramidBuilder( const SubSamplingPyramidBuilder & other );
    virtual ~SubSamplingPyramidBuilder();
    SubSamplingPyramidBuilder & operator=( const SubSamplingPyramidBuilder & other );

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    const std::vector<bool> & directions() const;
    const std::vector<Point4du> & factor() const;
    void setFactor( unsigned r );
    void setFactor( const Point4du & r );
    void setFactor( const std::vector<Point4du> & r );
    void setSubSampler( const SubSampler & f );
    void setDirections( const std::vector<bool> & dir );
    void setDirections( bool dirx, bool diry, bool dirz, bool dirt );
    void setVerbose( int verbose = 1 );
    void setQuiet();

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    template <typename T>
    std::vector<carto::VolumeRef<T> > execute( const carto::VolumeRef<T> & vol );

  protected:
    SubSampler              _subsampler;
    std::vector<Point4du>   _factor;
    std::vector<bool>       _dir;
    int                     _verbose;

    //------------------------------------------------------------------------
    // Helpers
    //------------------------------------------------------------------------
    std::vector<Point4du> computeFactors( const std::vector<int> & size ) const;

  };

} // namespace aims

#endif // AIMS_PYRAMID_SUBSAMPLINGPYRAMID_H