cmtkAffineMultiChannelRegistrationFunctional.h

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/*
//
//  Copyright 1997-2010 Torsten Rohlfing
//
//  Copyright 2004-2011 SRI International
//
//  This file is part of the Computational Morphometry Toolkit.
//
//  http://www.nitrc.org/projects/cmtk/
//
//  The Computational Morphometry Toolkit is free software: you can
//  redistribute it and/or modify it under the terms of the GNU General Public
//  License as published by the Free Software Foundation, either version 3 of
//  the License, or (at your option) any later version.
//
//  The Computational Morphometry Toolkit is distributed in the hope that it
//  will be useful, but WITHOUT ANY WARRANTY; without even the implied
//  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License along
//  with the Computational Morphometry Toolkit.  If not, see
//  <http://www.gnu.org/licenses/>.
//
//  $Revision: 2752 $
//
//  $LastChangedDate: 2011-01-17 11:33:31 -0800 (Mon, 17 Jan 2011) $
//
//  $LastChangedBy: torstenrohlfing $
//
*/

#ifndef __cmtkAffineMultiChannelRegistrationFunctional_h_included_
#define __cmtkAffineMultiChannelRegistrationFunctional_h_included_

#include <cmtkconfig.h>

#include <Registration/cmtkTemplateMultiChannelRegistrationFunctional.h>

#include <Base/cmtkAffineXform.h>
#include <Base/cmtkVolumeClipping.h>
#include <Base/cmtkTransformedVolumeAxes.h>

#include <System/cmtkThreads.h>
#include <System/cmtkMutexLock.h>

namespace
cmtk
{


template<class MetricFunctionalClass> 
class SplineWarpMultiChannelRegistrationFunctional;

template<class TMultiChannelMetricFunctional>
class AffineMultiChannelRegistrationFunctional :
  public TemplateMultiChannelRegistrationFunctional<AffineXform,TMultiChannelMetricFunctional>
{
public:
  typedef AffineMultiChannelRegistrationFunctional<TMultiChannelMetricFunctional> Self;

  typedef SmartPointer<Self> SmartPtr;

  typedef TemplateMultiChannelRegistrationFunctional<AffineXform,TMultiChannelMetricFunctional> Superclass;
  
  AffineMultiChannelRegistrationFunctional()
    : m_NumberOfThreads( Threads::GetNumberOfThreads() )
  {
  }

  void InitTransformation( const bool alignCenters );

  virtual typename Self::ReturnType Evaluate();

private:
  VolumeClipping m_VolumeClipper;

  bool ClipZ ( const VolumeClipping& clipper, const Vector3D& origin, int& start, int& end ) const;
    
  bool ClipX( const VolumeClipping& clipper, const Vector3D& origin, int& start, int &end ) const;

  bool ClipY( const VolumeClipping& clipper, const Vector3D& origin, int& start, int& end ) const;

  const size_t m_NumberOfThreads;

  class EvaluateThreadParameters : 
    public ThreadParameters<Self>
  {
  public:
    const TransformedVolumeAxes* m_TransformedAxes;

    int m_StartZ;

    int m_EndZ;
  };

  static void EvaluateThreadFunction( void* args, const size_t taskIdx, const size_t taskCnt, const size_t threadIdx, const size_t );

#ifdef CMTK_BUILD_SMP

  MutexLock m_MetricDataMutex;
#endif

  template<class MetricFunctionalClass> friend class SplineWarpMultiChannelRegistrationFunctional;
};


} // namespace cmtk

#include "cmtkAffineMultiChannelRegistrationFunctional.txx"

#endif // #ifndef __cmtkAffineMultiChannelRegistrationFunctional_h_included_