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/*=========================================================================
Program: Advanced Normalization Tools
Module: $RCSfile: itkWarpImageMultiTransformFilter.h,v $
Language: C++
Date: $Date: 2009/01/08 21:36:48 $
Version: $Revision: 1.18 $
Copyright (c) ConsortiumOfANTS. All rights reserved.
See accompanying COPYING.txt or
http://sourceforge.net/projects/advants/files/ANTS/ANTSCopyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkAverageAffineTransformFunction_h
#define __itkAverageAffineTransformFunction_h
#include "itkMacro.h"
#include "itkConceptChecking.h"
#include "itkANTSCenteredAffine2DTransform.h"
#include "itkANTSAffine3DTransform.h"
#include <list>
namespace itk
{
/*
*/
namespace AverageAffineTransformFunctionHelperNameSpace
{
template <int D>
struct Dispatcher
{
};
template <class TAffine>
struct HelperCommonType
{
typedef TAffine InternalAffineTransformType;
typedef typename InternalAffineTransformType::Pointer InternalAffineTransformPointerType;
typedef struct
{
InternalAffineTransformPointerType aff;
double weight;
} SingleInternalTransformItemType;
typedef std::list<SingleInternalTransformItemType> InternalTransformListType;
typedef typename InternalAffineTransformType::ParametersType ParametersType;
static void ComputeAveragePartialParameters(InternalTransformListType & transform_list,
ParametersType & average_parameters, unsigned int iStart,
unsigned int iEnd);
};
template <class T>
class HelperType;
// {
// // purposely not include any types
// };
// explicit specialization for 2D affine transform
template <>
class HelperType<Dispatcher<2> >
{
public:
typedef ANTSCenteredAffine2DTransform<double> InternalAffineTransformType;
typedef HelperCommonType<InternalAffineTransformType>::InternalAffineTransformPointerType
InternalAffineTransformPointerType;
typedef HelperCommonType<InternalAffineTransformType>::SingleInternalTransformItemType
SingleInternalTransformItemType;
typedef HelperCommonType<InternalAffineTransformType>::InternalTransformListType InternalTransformListType;
typedef HelperCommonType<InternalAffineTransformType>::ParametersType ParametersType;
static void ComputeAverageScaleParameters(InternalTransformListType & transform_list,
ParametersType & average_parameters);
static void ComputeAverageShearingParameters(InternalTransformListType & transform_list,
ParametersType & average_parameters);
static void ComputeAverageRotationParameters(InternalTransformListType & transform_list,
ParametersType & average_parameters);
static void ComputeAverageTranslationParameters(InternalTransformListType & transform_list,
ParametersType & average_parameters);
};
// explicit specialization for 3D affine transform
template <>
class HelperType<Dispatcher<3> >
{
public:
typedef ANTSAffine3DTransform<double> InternalAffineTransformType;
typedef HelperCommonType<InternalAffineTransformType>::InternalAffineTransformPointerType
InternalAffineTransformPointerType;
typedef HelperCommonType<InternalAffineTransformType>::SingleInternalTransformItemType
SingleInternalTransformItemType;
typedef HelperCommonType<InternalAffineTransformType>::InternalTransformListType InternalTransformListType;
typedef HelperCommonType<InternalAffineTransformType>::ParametersType ParametersType;
static void ComputeAverageScaleParameters(InternalTransformListType & transform_list,
ParametersType & average_parameters);
static void ComputeAverageShearingParameters(InternalTransformListType & transform_list,
ParametersType & average_parameters);
static void ComputeAverageRotationParameters(InternalTransformListType & transform_list,
ParametersType & average_parameters);
static void ComputeAverageTranslationParameters(InternalTransformListType & transform_list,
ParametersType & average_parameters);
};
}
template <class TTransform>
class AverageAffineTransformFunction
{
public:
typedef TTransform GenericAffineTransformType;
itkStaticConstMacro(InputSpaceDimension, unsigned int, GenericAffineTransformType::InputSpaceDimension);
itkStaticConstMacro(OutputSpaceDimension, unsigned int, GenericAffineTransformType::OutputSpaceDimension);
itkStaticConstMacro(SpaceDimension, unsigned int, InputSpaceDimension);
typedef double InternalScalarType;
typedef Point<InternalScalarType, SpaceDimension> PointType;
AverageAffineTransformFunction();
~AverageAffineTransformFunction()
{
}
;
// void PrintSelf(std::ostream& os, Indent indent) const;
typedef typename GenericAffineTransformType::Pointer GenericAffineTransformPointerType;
typedef struct
{
GenericAffineTransformPointerType aff;
double weight;
} SingleTransformItemType;
typedef std::list<SingleTransformItemType> TransformListType;
TransformListType & GetTransformList()
{
return m_TransformList;
}
void PrintTransformList();
void PushBackAffineTransform(const GenericAffineTransformType* t, double weight);
void AverageMultipleAffineTransform(const PointType & center_output,
GenericAffineTransformPointerType & affine_output);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(SameDimensionCheck1,
(Concept::SameDimension<InputSpaceDimension, OutputSpaceDimension> ) );
/** End concept checking */
#endif
protected:
TransformListType m_TransformList;
// type declaration to include support both 2D and 3D affine transform
protected:
typedef typename::itk::AverageAffineTransformFunctionHelperNameSpace::HelperType<
::itk::AverageAffineTransformFunctionHelperNameSpace::Dispatcher<
SpaceDimension> > HelperType;
typedef typename HelperType::InternalAffineTransformType InternalAffineTransformType;
typedef typename HelperType::InternalAffineTransformPointerType InternalAffineTransformPointerType;
typedef typename HelperType::SingleInternalTransformItemType SingleInternalTransformItemType;
typedef typename HelperType::InternalTransformListType InternalTransformListType;
InternalTransformListType m_InternalTransformList;
void ConvertGenericAffineToInternalAffineByFixingCenter(GenericAffineTransformPointerType & aff,
InternalAffineTransformPointerType & iaff,
const PointType & center);
void ConvertInternalAffineToGenericAffine(InternalAffineTransformPointerType & iaff,
GenericAffineTransformPointerType & aff);
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkAverageAffineTransformFunction.hxx"
#endif
#endif /*__itkAverageAffineTransformFunction_h*/
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