itkCenteredTransformInitializer.h

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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 __itkCenteredTransformInitializer_h
#define __itkCenteredTransformInitializer_h

#include "itkObject.h"
#include "itkObjectFactory.h"
#include "itkImageMomentsCalculator.h"

#include <iostream>

namespace itk
{
template< class TTransform,
          class TFixedImage,
          class TMovingImage >
class ITK_EXPORT CenteredTransformInitializer:public Object
{
public:
  typedef CenteredTransformInitializer Self;
  typedef Object                       Superclass;
  typedef SmartPointer< Self >         Pointer;
  typedef SmartPointer< const Self >   ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(CenteredTransformInitializer, Object);

  typedef TTransform                      TransformType;
  typedef typename TransformType::Pointer TransformPointer;

  itkStaticConstMacro(InputSpaceDimension, unsigned int,
                      TransformType::InputSpaceDimension);
  itkStaticConstMacro(OutputSpaceDimension, unsigned int,
                      TransformType::OutputSpaceDimension);

  typedef   TFixedImage  FixedImageType;
  typedef   TMovingImage MovingImageType;

  typedef   typename FixedImageType::ConstPointer  FixedImagePointer;
  typedef   typename MovingImageType::ConstPointer MovingImagePointer;

  typedef ImageMomentsCalculator< FixedImageType >  FixedImageCalculatorType;
  typedef ImageMomentsCalculator< MovingImageType > MovingImageCalculatorType;

  typedef typename FixedImageCalculatorType::Pointer
  FixedImageCalculatorPointer;
  typedef typename MovingImageCalculatorType::Pointer
  MovingImageCalculatorPointer;

  typedef typename TransformType::OffsetType OffsetType;

  typedef typename TransformType::InputPointType InputPointType;

  typedef typename TransformType::OutputVectorType OutputVectorType;

  itkSetObjectMacro(Transform,   TransformType);

  itkSetConstObjectMacro(FixedImage,  FixedImageType);

  itkSetConstObjectMacro(MovingImage, MovingImageType);

  virtual void InitializeTransform();

  void GeometryOn() { m_UseMoments = false; }
  void MomentsOn()  { m_UseMoments = true; }

  itkGetConstObjectMacro(FixedCalculator,  FixedImageCalculatorType);
  itkGetConstObjectMacro(MovingCalculator, MovingImageCalculatorType);
protected:
  CenteredTransformInitializer();
  ~CenteredTransformInitializer(){}

  void PrintSelf(std::ostream & os, Indent indent) const;

  itkGetObjectMacro(Transform, TransformType);
private:
  CenteredTransformInitializer(const Self &); //purposely not implemented
  void operator=(const Self &);               //purposely not implemented

  TransformPointer m_Transform;

  FixedImagePointer m_FixedImage;

  MovingImagePointer m_MovingImage;

  bool m_UseMoments;

  FixedImageCalculatorPointer  m_FixedCalculator;
  MovingImageCalculatorPointer m_MovingCalculator;
}; //class CenteredTransformInitializer
}  // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkCenteredTransformInitializer.hxx"
#endif

#endif /* __itkCenteredTransformInitializer_h */