subsamplingpyramid.h

Go to the documentation of this file.

/* This software and supporting documentation are distributed by
 *     Institut Federatif de Recherche 49
 *     CEA/NeuroSpin, Batiment 145,
 *     91191 Gif-sur-Yvette cedex
 *     France
 *
 * This software is governed by the CeCILL-B license under
 * French law and abiding by the rules of distribution of free software.
 * You can  use, modify and/or redistribute the software under the
 * terms of the CeCILL-B license as circulated by CEA, CNRS
 * and INRIA at the following URL "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and  rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty  and the software's author,  the holder of the
 * economic rights,  and the successive licensors  have only  limited
 * liability.
 *
 * In this respect, the user's attention is drawn to the risks associated
 * with loading,  using,  modifying and/or developing or reproducing the
 * software by the user in light of its specific status of free software,
 * that may mean  that it is complicated to manipulate,  and  that  also
 * therefore means  that it is reserved for developers  and  experienced
 * professionals having in-depth computer knowledge. Users are therefore
 * encouraged to load and test the software's suitability as regards their
 * requirements in conditions enabling the security of their systems and/or
 * data to be ensured and,  more generally, to use and operate it in the
 * same conditions as regards security.
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL-B license and that you accept its terms.
 */
 
#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