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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef sitkDisplacementFieldTransform_h
#define sitkDisplacementFieldTransform_h
#include "sitkCommon.h"
#include "sitkTransform.h"
#include "sitkInterpolator.h"
namespace itk
{
namespace simple
{
/** \brief A dense deformable transform over a bounded spatial domain
* for 2D or 3D coordinates space.
*
* \sa itk::DisplacementFieldTransform
*/
class SITKCommon_EXPORT DisplacementFieldTransform
: public Transform
{
public:
typedef DisplacementFieldTransform Self;
typedef Transform Superclass;
explicit DisplacementFieldTransform( unsigned int dimensions );
/** \brief Consume an image to construct a displacement field transform.
*
* \warning The input displacement image is transferred to the
* constructed transform object. The input image is modified to be a
* default constructed Image object.
*
* Image must be of sitkVectorFloat64 pixel type with the number of
* components equal to the image dimension.
*
*/
explicit DisplacementFieldTransform( Image &);
DisplacementFieldTransform( const DisplacementFieldTransform & );
explicit DisplacementFieldTransform( const Transform & );
DisplacementFieldTransform &operator=( const DisplacementFieldTransform & );
/** Name of this class */
std::string GetName() const { return std::string ("DisplacementFieldTransform"); }
/** parameters */
/** \brief Consume an image, and set the displacement field
*
* \warning The ownership of the input displacement image is
* transferred to the constructed transform object. The input image
* is modified to be a default constructed Image object.
*
* Image must be of sitkVectorFloat64 pixel type with the number of
* components equal to the image dimension.
*
*/
SITK_RETURN_SELF_TYPE_HEADER SetDisplacementField(Image &);
/** \todo The returned image should not directly modify the
* internal displacement field.
*/
Image GetDisplacementField() const;
/** fixed parameter */
/* additional methods */
SITK_RETURN_SELF_TYPE_HEADER SetInverseDisplacementField(Image &);
/** \todo The returned image is should not directly modify the
* internal displacement field.
*/
Image GetInverseDisplacementField() const;
/** Set the interpolator used between the field voxels. */
SITK_RETURN_SELF_TYPE_HEADER SetInterpolator(InterpolatorEnum interp);
// InterpolatorEnum GetInterpolator() const; How to do this?
SITK_RETURN_SELF_TYPE_HEADER SetSmoothingOff();
SITK_RETURN_SELF_TYPE_HEADER SetSmoothingGaussianOnUpdate( double varianceForUpdateField=1.75, double varianceForTotalField=0.5 );
SITK_RETURN_SELF_TYPE_HEADER SetSmoothingBSplineOnUpdate( const std::vector<unsigned int> &numberOfControlPointsForUpdateField = std::vector<unsigned int>(3,4),
const std::vector<unsigned int> &numberOfControlPointsForTotalField = std::vector<unsigned int>(3,4),
bool enforceStationaryBoundary=true,
unsigned int order=3 );
protected:
virtual void SetPimpleTransform( PimpleTransformBase *pimpleTransform );
private:
using Superclass::AddTransform;
struct MyVisitor
{
itk::TransformBase *transform;
DisplacementFieldTransform *that;
template< typename TransformType >
void operator() ( void ) const
{
TransformType *t = dynamic_cast<TransformType*>(transform);
if (t && (typeid(*t)==typeid(TransformType)))
{
that->InternalInitialization<TransformType>(t);
}
}
};
void InternalInitialization(itk::TransformBase *transform);
template <typename TransformType>
void InternalInitialization(TransformType *transform);
template< typename TDisplacementFieldTransform >
static Image InternalGetDisplacementField( const TDisplacementFieldTransform *itkDisplacementTx );
template< typename TDisplacementFieldTransform >
static Image InternalGetInverseDisplacementField( const TDisplacementFieldTransform *itkDisplacementTx );
template< typename TDisplacementFieldTransform >
void InternalSetSmoothingOff(TDisplacementFieldTransform *itkDisplacement);
template< typename TDisplacementFieldTransform >
void InternalSetSmoothingGaussianOnUpdate( TDisplacementFieldTransform *itkDisplacement,
double varianceForUpdateField,
double varianceForTotalField );
template< typename TDisplacementFieldTransform >
void InternalSetSmoothingBSplineOnUpdate( TDisplacementFieldTransform *itkDisplacement,
const std::vector<unsigned int> &numberOfControlPointsForUpdateField,
const std::vector<unsigned int> &numberOfControlPointsForTotalField,
bool enforceStationaryBoundary,
unsigned int order );
static PimpleTransformBase *CreateDisplacementFieldPimpleTransform(unsigned int dimension);
nsstd::function<void (Image &)> m_pfSetDisplacementField;
nsstd::function<Image ()> m_pfGetDisplacementField;
nsstd::function<void (Image &)> m_pfSetInverseDisplacementField;
nsstd::function<Image ()> m_pfGetInverseDisplacementField;
nsstd::function<void (InterpolatorEnum &)> m_pfSetInterpolator;
nsstd::function<InterpolatorEnum ()> m_pfGetInterpolator;
nsstd::function<void ()> m_pfSetSmoothingOff;
nsstd::function<void (double, double)> m_pfSetSmoothingGaussianOnUpdate;
nsstd::function<void (const std::vector<unsigned int> &,const std::vector<unsigned int>&, bool, unsigned int)> m_pfSetSmoothingBSplineOnUpdate;
};
}
}
#endif // sitkDisplacementFieldTransform_h
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