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/*=========================================================================
*
* Copyright UMC Utrecht and contributors
*
* 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 elxTranslationTransform_h
#define elxTranslationTransform_h
#include "elxIncludes.h" // include first to avoid MSVS warning
#include "itkAdvancedTranslationTransform.h"
#include "itkTranslationTransformInitializer.h"
namespace elastix
{
/**
* \class TranslationTransformElastix
* \brief A transform based on the itk::TranslationTransform.
*
* This transform is a translation transformation.
*
* The parameters used in this class are:
* \parameter Transform: Select this transform as follows:\n
* <tt>(%Transform "TranslationTransform")</tt>
* \parameter AutomaticTransformInitialization: whether or not the initial translation
* between images should be estimated as the distance between their centers.\n
* example: <tt>(AutomaticTransformInitialization "true")</tt> \n
* By default "false" is assumed. So, no initial translation.
* \parameter AutomaticTransformInitializationMethod: how to initialize this
* transform. Should be one of {GeometricalCenter, CenterOfGravity}.\n
* example: <tt>(AutomaticTransformInitializationMethod "CenterOfGravity")</tt> \n
* By default "GeometricalCenter" is assumed.\n
*
* \ingroup Transforms
*/
template <class TElastix>
class ITK_TEMPLATE_EXPORT TranslationTransformElastix
: public itk::AdvancedCombinationTransform<typename elx::TransformBase<TElastix>::CoordRepType,
elx::TransformBase<TElastix>::FixedImageDimension>
, public elx::TransformBase<TElastix>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(TranslationTransformElastix);
/** Standard ITK-stuff. */
using Self = TranslationTransformElastix;
using Superclass1 = itk::AdvancedCombinationTransform<typename elx::TransformBase<TElastix>::CoordRepType,
elx::TransformBase<TElastix>::FixedImageDimension>;
using Superclass2 = elx::TransformBase<TElastix>;
/** The ITK-class that provides most of the functionality, and
* that is set as the "CurrentTransform" in the CombinationTransform */
using TranslationTransformType =
itk::AdvancedTranslationTransform<typename elx::TransformBase<TElastix>::CoordRepType,
elx::TransformBase<TElastix>::FixedImageDimension>;
using Pointer = itk::SmartPointer<Self>;
using ConstPointer = itk::SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(TranslationTransformElastix, itk::AdvancedCombinationTransform);
/** Name of this class.
* Use this name in the parameter file to select this specific transform. \n
* example: <tt>(Transform "TranslationTransform")</tt>\n
*/
elxClassNameMacro("TranslationTransform");
/** Dimension of the domain space. */
itkStaticConstMacro(SpaceDimension, unsigned int, Superclass2::FixedImageDimension);
/** Typedefs inherited from the superclass. */
using typename Superclass1::ScalarType;
using typename Superclass1::ParametersType;
using typename Superclass1::JacobianType;
using typename Superclass1::InputVectorType;
using typename Superclass1::OutputVectorType;
using typename Superclass1::InputCovariantVectorType;
using typename Superclass1::OutputCovariantVectorType;
using typename Superclass1::InputVnlVectorType;
using typename Superclass1::OutputVnlVectorType;
using typename Superclass1::InputPointType;
using typename Superclass1::OutputPointType;
using typename Superclass1::NumberOfParametersType;
/** Typedef's from the TransformBase class. */
using typename Superclass2::ElastixType;
using typename Superclass2::ParameterMapType;
using typename Superclass2::RegistrationType;
using typename Superclass2::CoordRepType;
using typename Superclass2::FixedImageType;
using typename Superclass2::MovingImageType;
using ITKBaseType = typename Superclass2::ITKBaseType;
using CombinationTransformType = typename Superclass2::CombinationTransformType;
/** Extra typedefs */
using TransformInitializerType =
itk::TranslationTransformInitializer<TranslationTransformType, FixedImageType, MovingImageType>;
using TransformInitializerPointer = typename TransformInitializerType::Pointer;
using TranslationTransformPointer = typename TranslationTransformType::Pointer;
/** Execute stuff before the actual registration:
* \li Call InitializeTransform.
*/
void
BeforeRegistration() override;
protected:
/** The constructor. */
TranslationTransformElastix();
/** The destructor. */
~TranslationTransformElastix() override = default;
const TranslationTransformPointer m_TranslationTransform{ TranslationTransformType::New() };
private:
elxOverrideGetSelfMacro;
/** Initialize Transform.
* \li Set all parameters to zero.
* \li Set initial translation:
* the initial translation between fixed and moving image is guessed,
* if the user has set (AutomaticTransformInitialization "true").
*/
void
InitializeTransform();
/** Creates a map of the parameters specific for this (derived) transform type. */
ParameterMapType
CreateDerivedTransformParameterMap() const override;
};
} // end namespace elastix
#ifndef ITK_MANUAL_INSTANTIATION
# include "elxTranslationTransform.hxx"
#endif
#endif // end #ifndef elxTranslationTransform_h
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