flip.h

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/* This software and supporting documentation are distributed by
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 * This software is governed by the CeCILL-B license under
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 * 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".
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 */
 
/*
 *  Flip data.
 */
#ifndef AIMS_UTILITY_FLIP_H
#define AIMS_UTILITY_FLIP_H
 
#include <aims/config/aimsdata_config.h>
#include <cartodata/volume/volume.h>
#include <cartobase/containers/nditerator.h>
 
 
template <class T>
class AimsFlip
{
public:
    AimsFlip() { }
    virtual ~AimsFlip() { }
    
    inline carto::VolumeRef<T> doXX(
      const carto::rc_ptr<carto::Volume<T> > &thing );
    inline carto::VolumeRef<T> doYY(
      const carto::rc_ptr<carto::Volume<T> > &thing );
    inline carto::VolumeRef<T> doZZ(
      const carto::rc_ptr<carto::Volume<T> > &thing );
    inline carto::VolumeRef<T> doXXZZ(
      const carto::rc_ptr<carto::Volume<T> > &thing );
    inline carto::VolumeRef<T> doXXYY(
      const carto::rc_ptr<carto::Volume<T> > &thing );
    inline carto::VolumeRef<T> doYYZZ(
      const carto::rc_ptr<carto::Volume<T> > &thing );
    inline carto::VolumeRef<T> doXXYYZZ(
      const carto::rc_ptr<carto::Volume<T> > &thing );
    inline carto::VolumeRef<T> doXY(
      const carto::rc_ptr<carto::Volume<T> > &thing );
    inline carto::VolumeRef<T> doXZ(
      const carto::rc_ptr<carto::Volume<T> > &thing );
    inline carto::VolumeRef<T> doYZ(
      const carto::rc_ptr<carto::Volume<T> > &thing );
};
 
 
template <class T> inline
carto::VolumeRef<T> AimsFlip<T>::doXX(
  const carto::rc_ptr<carto::Volume<T> > &thing )
{
  carto::VolumeRef<T> res( thing->getSize(), thing->getBorders() );
  res.copyHeaderFrom( thing->header() );
 
  carto::line_NDIterator<T> it( &res->at( 0 ), res->getSize(),
                                res->getStrides() );
  T *p, *pp;
  std::vector<int> pos;
 
  for( ; !it.ended(); ++it )
  {
    p=&*it;
    pos = it.position();
    pos[0] = thing->getSizeX() -  1;
    for( pp=p + it.line_length(); p!=pp; it.inc_line_ptr( p ), --pos[0] )
      *p = thing->at( pos );
  }
 
  return res;
}
 
 
template <class T> inline
carto::VolumeRef<T> AimsFlip<T>::doYY( const carto::rc_ptr<carto::Volume<T> > &thing )
{
  carto::VolumeRef<T> res( thing->getSizeX(), thing->getSizeY(),
                           thing->getSizeZ(), thing->getSizeT(),
                           thing->getBorders() );
  res.copyHeaderFrom( thing->header() );
 
  carto::line_NDIterator<T> it( &res->at( 0 ), res->getSize(),
                                res->getStrides() );
  T *p, *pp;
  std::vector<int> pos;
 
  for( ; !it.ended(); ++it )
  {
    p=&*it;
    pos = it.position();
    pos[1] = thing->getSizeY() - pos[1] - 1;
    for( pp=p + it.line_length(); p!=pp; it.inc_line_ptr( p ), ++pos[0] )
      *p = thing->at( pos );
  }
 
  return res;
}
 
 
template <class T> inline
carto::VolumeRef<T> AimsFlip<T>::doZZ( const carto::rc_ptr<carto::Volume<T> > &thing )
{
  carto::VolumeRef<T> res( thing->getSizeX(), thing->getSizeY(),
                           thing->getSizeZ(), thing->getSizeT(),
                           thing->getBorders() );
  res.copyHeaderFrom( thing->header() );
 
  carto::line_NDIterator<T> it( &res->at( 0 ), res->getSize(),
                                res->getStrides() );
  T *p, *pp;
  std::vector<int> pos;
 
  for( ; !it.ended(); ++it )
  {
    p=&*it;
    pos = it.position();
    pos[2] = thing->getSizeZ() - pos[2] - 1;
    for( pp=p + it.line_length(); p!=pp; it.inc_line_ptr( p ), ++pos[0] )
      *p = thing->at( pos );
  }
 
  return res;
}
 
 
template <class T> inline
carto::VolumeRef<T> AimsFlip<T>::doXXZZ( const carto::rc_ptr<carto::Volume<T> > &thing )
{
  carto::VolumeRef<T> res( thing->getSizeX(), thing->getSizeY(),
                           thing->getSizeZ(), thing->getSizeT(),
                           thing->getBorders() );
  res.copyHeaderFrom( thing->header() );
 
  carto::line_NDIterator<T> it( &res->at( 0 ), res->getSize(),
                                res->getStrides() );
  T *p, *pp;
  std::vector<int> pos;
 
  for( ; !it.ended(); ++it )
  {
    p=&*it;
    pos = it.position();
    pos[0] = thing->getSizeX() -  1;
    pos[2] = thing->getSizeZ() - pos[2] - 1;
    for( pp=p + it.line_length(); p!=pp; it.inc_line_ptr( p ), --pos[0] )
      *p = thing->at( pos );
  }
 
  return res;
}
 
template <class T> inline
carto::VolumeRef<T> AimsFlip<T>::doXXYY( const carto::rc_ptr<carto::Volume<T> > &thing )
{
  carto::VolumeRef<T> res( thing->getSizeX(), thing->getSizeY(),
                           thing->getSizeZ(), thing->getSizeT(),
                           thing->getBorders() );
  res.copyHeaderFrom( thing->header() );
 
  carto::line_NDIterator<T> it( &res->at( 0 ), res->getSize(),
                                res->getStrides() );
  T *p, *pp;
  std::vector<int> pos;
 
  for( ; !it.ended(); ++it )
  {
    p=&*it;
    pos = it.position();
    pos[0] = thing->getSizeX() -  1;
    pos[1] = thing->getSizeY() - pos[1] - 1;
    for( pp=p + it.line_length(); p!=pp; it.inc_line_ptr( p ), --pos[0] )
      *p = thing->at( pos );
  }
 
  return res;
}
 
 
template <class T> inline
carto::VolumeRef<T> AimsFlip<T>::doYYZZ( const carto::rc_ptr<carto::Volume<T> > &thing )
{
  carto::VolumeRef<T> res( thing->getSizeX(), thing->getSizeY(),
                           thing->getSizeZ(), thing->getSizeT(),
                           thing->getBorders() );
  res.copyHeaderFrom( thing->header() );
 
  carto::line_NDIterator<T> it( &res->at( 0 ), res->getSize(),
                                res->getStrides() );
  T *p, *pp;
  std::vector<int> pos;
 
  for( ; !it.ended(); ++it )
  {
    p=&*it;
    pos = it.position();
    pos[1] = thing->getSizeY() - pos[1] - 1;
    pos[2] = thing->getSizeZ() - pos[2] - 1;
    for( pp=p + it.line_length(); p!=pp; it.inc_line_ptr( p ), ++pos[0] )
      *p = thing->at( pos );
  }
 
  return res;
}
 
 
template <class T> inline
carto::VolumeRef<T> AimsFlip<T>::doXY( const carto::rc_ptr<carto::Volume<T> > &thing )
{
  carto::VolumeRef<T> res( thing->getSizeY(), thing->getSizeX(),
                           thing->getSizeZ(), thing->getSizeT(),
                           thing->getBorders() );
  res.copyHeaderFrom( thing->header() );
  std::vector<float> vs = thing->getVoxelSize();
  float t = vs[0];
  vs[0] = vs[1];
  vs[1] = t;
  res.setVoxelSize( vs );
 
  carto::line_NDIterator<T> it( &res->at( 0 ), res->getSize(),
                                res->getStrides() );
  T *p, *pp;
  std::vector<int> pos;
 
  for( ; !it.ended(); ++it )
  {
    p=&*it;
    pos = it.position();
    pos[0] = res->getSizeY() - pos[1] - 1;
    pos[1] = res->getSizeX() - 1;
    for( pp=p + it.line_length(); p!=pp; it.inc_line_ptr( p ), --pos[1] )
      *p = thing->at( pos );
  }
 
  return res;
}
 
 
template <class T> inline
carto::VolumeRef<T> AimsFlip<T>::doXZ(
  const carto::rc_ptr<carto::Volume<T> > &thing )
{
  carto::VolumeRef<T> res( thing->getSizeZ(), thing->getSizeY(),
                           thing->getSizeX(), thing->getSizeT(),
                           thing->getBorders() );
  res.copyHeaderFrom( thing->header() );
  std::vector<float> vs = thing->getVoxelSize();
  float t = vs[0];
  vs[0] = vs[2];
  vs[2] = t;
  res.setVoxelSize( vs );
 
  carto::line_NDIterator<T> it( &res->at( 0 ), res->getSize(),
                                res->getStrides() );
  T *p, *pp;
  std::vector<int> pos;
 
  for( ; !it.ended(); ++it )
  {
    p=&*it;
    pos = it.position();
    pos[0] = res->getSizeZ() - pos[2] - 1;
    pos[2] = res->getSizeX() - 1;
    for( pp=p + it.line_length(); p!=pp; it.inc_line_ptr( p ), --pos[2] )
      *p = thing->at( pos );
  }
 
  return res;
}
 
 
template <class T> inline
carto::VolumeRef<T> AimsFlip<T>::doYZ(
  const carto::rc_ptr<carto::Volume<T> > &thing )
{
  carto::VolumeRef<T> res( thing->getSizeX(), thing->getSizeZ(),
                           thing->getSizeY(), thing->getSizeT(),
                           thing->getBorders() );
  res.copyHeaderFrom( thing->header() );
  std::vector<float> vs = thing->getVoxelSize();
  float t = vs[1];
  vs[1] = vs[2];
  vs[2] = t;
  res.setVoxelSize( vs );
 
  carto::line_NDIterator<T> it( &res->at( 0 ), res->getSize(),
                                res->getStrides() );
  T *p, *pp;
  std::vector<int> pos;
  int x;
 
  for( ; !it.ended(); ++it )
  {
    p=&*it;
    pos = it.position();
    x = pos[1];
    pos[1] = res->getSizeZ() - pos[2] - 1;
    pos[2] = res->getSizeY() - x - 1;
    for( pp=p + it.line_length(); p!=pp; it.inc_line_ptr( p ), ++pos[0] )
      *p = thing->at( pos );
  }
 
  return res;
}
 
 
template <class T> inline
carto::VolumeRef<T> AimsFlip<T>::doXXYYZZ(
  const carto::rc_ptr<carto::Volume<T> > &thing )
{
  carto::VolumeRef<T> res( thing->getSize(), thing->getBorders() );
  res.copyHeaderFrom( thing->header() );
 
  carto::line_NDIterator<T> it( &res->at( 0 ), res->getSize(),
                                res->getStrides() );
  T *p, *pp;
  std::vector<int> pos;
 
  for( ; !it.ended(); ++it )
  {
    p=&*it;
    pos = it.position();
    pos[0] = thing->getSizeX() - 1;
    pos[1] = thing->getSizeY() - pos[1] - 1;
    pos[2] = thing->getSizeZ() - pos[2] - 1;
    for( pp=p + it.line_length(); p!=pp; it.inc_line_ptr( p ), --pos[0] )
      *p = thing->at( pos );
  }
 
  return res;
}
 
 
#endif