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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 itkBSplineTransformInitializer_h
#define itkBSplineTransformInitializer_h
#include "itkObject.h"
#include "itkObjectFactory.h"
namespace itk
{
/** \class BSplineTransformInitializer
* \brief BSplineTransformInitializer is a helper class intended to
* initialize the control point grid such that it has a physically consistent
* definition.
* It sets the transform domain origin, physical dimensions and direction from
* information obtained from the image. It also sets the mesh size if asked
* to do so by calling SetTransformDomainMeshSize() before calling
* InitializeTransform().
*
* \author Luis Ibanez
* \author Nick Tustison
*
* \ingroup ITKTransform
*/
template<typename TTransform, typename TImage>
class BSplineTransformInitializer
: public Object
{
public:
/** Standard class typedefs. */
typedef BSplineTransformInitializer Self;
typedef Object Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** New macro for creation of through a Smart Pointer. */
itkNewMacro( Self );
/** Run-time type information (and related methods). */
itkTypeMacro( BSplineTransformInitializer, Object );
/** Type of the transform to initialize */
typedef TTransform TransformType;
/** Types defined from the input image traits */
typedef TImage ImageType;
typedef typename ImageType::ConstPointer ImagePointer;
typedef typename ImageType::IndexType IndexType;
typedef typename ImageType::PointType ImagePointType;
typedef typename ImagePointType::CoordRepType ImagePointCoordRepType;
/** Types defined from transform traits */
typedef typename TransformType::Pointer TransformPointer;
typedef typename TransformType::RegionType RegionType;
typedef typename RegionType::SizeType SizeType;
typedef typename TransformType::SpacingType SpacingType;
typedef typename TransformType::OriginType OriginType;
typedef typename TransformType::DirectionType DirectionType;
typedef typename TransformType::PhysicalDimensionsType PhysicalDimensionsType;
typedef typename TransformType::MeshSizeType MeshSizeType;
typedef typename SpacingType::ComponentType SpacingComponentType;
/** Dimension of parameters. */
itkStaticConstMacro( SpaceDimension, unsigned int,
TransformType::SpaceDimension );
/** Set the transform to be initialized */
itkSetObjectMacro( Transform, TransformType );
/** Set the image to initialize the domain */
itkSetConstObjectMacro( Image, ImageType );
/**
* Allow the user to set the mesh size of the transform via the initializer
* even though the initializer does not do anything with that information.
* Defeault = 1^ImageDimension.
*/
void SetTransformDomainMeshSize( const MeshSizeType );
/** Initialize the transform using the specified transformation domain */
virtual void InitializeTransform() const;
protected:
BSplineTransformInitializer();
~BSplineTransformInitializer();
virtual void PrintSelf( std::ostream & os, Indent indent ) const ITK_OVERRIDE;
private:
BSplineTransformInitializer( const Self & ) ITK_DELETE_FUNCTION;
void operator=( const Self & ) ITK_DELETE_FUNCTION;
ImagePointer m_Image;
TransformPointer m_Transform;
MeshSizeType m_TransformDomainMeshSize;
bool m_SetTransformDomainMeshSizeViaInitializer;
}; //class BSplineTransformInitializer
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkBSplineTransformInitializer.hxx"
#endif
#endif /* itkBSplineTransformInitializer_h */
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