itkImageToSpatialObjectRegistrationMethod.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 __itkImageToSpatialObjectRegistrationMethod_h
#define __itkImageToSpatialObjectRegistrationMethod_h

#include "itkProcessObject.h"
#include "itkImage.h"
#include "itkImageToSpatialObjectMetric.h"
#include "itkSingleValuedNonLinearOptimizer.h"
#include "itkDataObjectDecorator.h"

namespace itk
{
template< typename TFixedImage, typename TMovingSpatialObject >
class ImageToSpatialObjectRegistrationMethod:public ProcessObject
{
public:
  typedef ImageToSpatialObjectRegistrationMethod Self;
  typedef ProcessObject                          Superclass;
  typedef SmartPointer< Self >                   Pointer;
  typedef SmartPointer< const Self >             ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(ImageToSpatialObjectRegistrationMethod, ProcessObject);

  typedef          TFixedImage                  FixedImageType;
  typedef typename FixedImageType::ConstPointer FixedImageConstPointer;

  typedef TMovingSpatialObject MovingSpatialObjectType;
  typedef typename MovingSpatialObjectType::ConstPointer
  MovingSpatialObjectConstPointer;

  typedef ImageToSpatialObjectMetric< FixedImageType,
                                      MovingSpatialObjectType >     MetricType;
  typedef typename MetricType::Pointer MetricPointer;

  typedef  typename MetricType::TransformType TransformType;
  typedef  typename TransformType::Pointer    TransformPointer;

  typedef  DataObjectDecorator< TransformType >      TransformOutputType;
  typedef typename TransformOutputType::Pointer      TransformOutputPointer;
  typedef typename TransformOutputType::ConstPointer TransformOutputConstPointer;

  typedef  typename MetricType::InterpolatorType InterpolatorType;
  typedef  typename InterpolatorType::Pointer    InterpolatorPointer;

  typedef   SingleValuedNonLinearOptimizer OptimizerType;

  typedef  typename MetricType::TransformParametersType ParametersType;

  typedef typename DataObject::Pointer DataObjectPointer;

  itkSetConstObjectMacro(FixedImage, FixedImageType);
  itkGetConstObjectMacro(FixedImage, FixedImageType);

  itkSetConstObjectMacro(MovingSpatialObject, MovingSpatialObjectType);
  itkGetConstObjectMacro(MovingSpatialObject, MovingSpatialObjectType);

  itkSetObjectMacro(Optimizer,  OptimizerType);
  itkGetModifiableObjectMacro(Optimizer, OptimizerType);

  itkSetObjectMacro(Metric, MetricType);
  itkGetModifiableObjectMacro(Metric, MetricType);

  itkSetObjectMacro(Transform, TransformType);
  itkGetModifiableObjectMacro(Transform, TransformType);

  itkSetObjectMacro(Interpolator, InterpolatorType);
  itkGetModifiableObjectMacro(Interpolator, InterpolatorType);

  itkSetMacro(InitialTransformParameters, ParametersType);
  itkGetConstReferenceMacro(InitialTransformParameters, ParametersType);

  itkGetConstReferenceMacro(LastTransformParameters, ParametersType);

  const TransformOutputType * GetOutput() const;

  typedef ProcessObject::DataObjectPointerArraySizeType DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  virtual DataObjectPointer MakeOutput(DataObjectPointerArraySizeType idx) ITK_OVERRIDE;

  virtual ModifiedTimeType GetMTime() const ITK_OVERRIDE;

#ifdef ITKV3_COMPATIBILITY
  // StartRegistration is an old API from before
  // the RegistrationMethod was a subclass of ProcessObject.
  // Historically, one could call StartRegistration() instead of
  // calling Update().  However, when called directly by the user, the
  // inputs to the RegistrationMethod may not be up to date.  This
  // may cause an unexpected behavior.
  //
  // Since we cannot eliminate StartRegistration for ITKv3 backward
  // compatibility reasons, we check whether StartRegistration was
  // called directly or whether Update() (which in turn called
  // StartRegistration()).
  void StartRegistration(void) { this->Update(); }
#endif

protected:
  ImageToSpatialObjectRegistrationMethod();
  virtual ~ImageToSpatialObjectRegistrationMethod() {}
  virtual void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;

  virtual void  GenerateData() ITK_OVERRIDE;

  void Initialize()
  throw ( ExceptionObject );

  ParametersType m_InitialTransformParameters;
  ParametersType m_LastTransformParameters;

private:
  ImageToSpatialObjectRegistrationMethod(const Self &); //purposely not
                                                        // implemented
  void operator=(const Self &);                         //purposely not
                                                        // implemented

  MetricPointer          m_Metric;
  OptimizerType::Pointer m_Optimizer;

  MovingSpatialObjectConstPointer m_MovingSpatialObject;
  FixedImageConstPointer          m_FixedImage;

  TransformPointer    m_Transform;
  InterpolatorPointer m_Interpolator;
};
} // end namespace itk

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

#endif