cmtkImagePairAffineRegistrationFunctionalTemplate.h

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/*
//
//  Copyright 1997-2009 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 __cmtkImagePairAffineRegistrationFunctionalTemplate_h_included_
#define __cmtkImagePairAffineRegistrationFunctionalTemplate_h_included_

#include <cmtkconfig.h>

#include <Registration/cmtkImagePairAffineRegistrationFunctional.h>

#include <Base/cmtkInterpolator.h>
#include <Base/cmtkTransformedVolumeAxes.h>

#ifdef CMTK_BUILD_DEMO
#  include <IO/cmtkXformIO.h>
#endif // #ifdef CMTK_BUILD_DEMO

namespace
cmtk
{


template<class VM>
class ImagePairAffineRegistrationFunctionalTemplate :
  public ImagePairAffineRegistrationFunctional
{
public:
  typedef ImagePairAffineRegistrationFunctionalTemplate<VM> Self;

  typedef SmartPointer<Self> SmartPtr;

  typedef ImagePairAffineRegistrationFunctional Superclass;

  typedef Functional::ReturnType ReturnType;

  ImagePairAffineRegistrationFunctionalTemplate( UniformVolume::SmartPtr& reference, 
                                                 UniformVolume::SmartPtr& floating, 
                                                 const Interpolators::InterpolationEnum interpolation,
                                                 AffineXform::SmartPtr& affineXform )
    : ImagePairAffineRegistrationFunctional( reference, floating, affineXform ),
      m_NumberOfThreads( ThreadPool::GetGlobalThreadPool().GetNumberOfThreads() )
  {
    this->m_Metric = ImagePairSimilarityMeasure::SmartPtr( new VM( reference, floating, interpolation ) );
    this->m_ThreadMetric.resize( m_NumberOfThreads, dynamic_cast<const VM&>( *(this->m_Metric) ) );
  }

  virtual ~ImagePairAffineRegistrationFunctionalTemplate() {}

  virtual typename Self::ReturnType EvaluateAt ( CoordinateVector& v ) 
  {
    this->m_AffineXform->SetParamVector( v );
    return this->Evaluate();
  }

#ifdef CMTK_BUILD_DEMO

  virtual void SnapshotAt( ParameterVectorType& v )
  {
    this->m_AffineXform->SetParamVector( v );
    static int it = 0;
    char path[PATH_MAX];
    snprintf( path, PATH_MAX, "registration-%03d.xform", it++ );
    XformIO::Write( this->m_AffineXform, path );
  }
#endif

  virtual typename Self::ReturnType Evaluate();
  
  size_t m_NumberOfThreads;

  std::vector<VM> m_ThreadMetric;

  MutexLock m_MetricMutex;

  typedef struct 
  {
    Self *thisObject;
    const TransformedVolumeAxes* AxesHash;
    DataGrid::IndexType::ValueType StartZ;
    DataGrid::IndexType::ValueType EndZ;
  } EvaluateTaskInfo;
 
  std::vector<typename Self::EvaluateTaskInfo> m_EvaluateTaskInfo;

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


} // namespace cmtk

#include "cmtkImagePairAffineRegistrationFunctionalTemplate.txx"

#endif // #ifndef __cmtkImagePairAffineRegistrationFunctionalTemplate_h_included_