itkElasticBodySplineKernelTransform2.h

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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.
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 *=========================================================================*/
/*=========================================================================
 
  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkElasticBodySplineKernelTransform2.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:29:06 $
  Version:   $Revision: 1.29 $
 
  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.
 
=========================================================================*/
#ifndef __itkElasticBodySplineKernelTransform2_h
#define __itkElasticBodySplineKernelTransform2_h
 
#include "itkKernelTransform2.h"
 
namespace itk
{
 
template< class TScalarType = double,   // Data type for scalars (float or double)
unsigned int NDimensions    = 3 >
// Number of dimensions
class ElasticBodySplineKernelTransform2 :
  public KernelTransform2<  TScalarType, NDimensions >
{
public:
 
  typedef ElasticBodySplineKernelTransform2 Self;
  typedef KernelTransform2<  TScalarType,
    NDimensions > Superclass;
 
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;
 
  itkTypeMacro( ElasticBodySplineKernelTransform2, KernelTransform2 );
 
  itkNewMacro( Self );
 
  typedef typename Superclass::ScalarType ScalarType;
 
  typedef typename Superclass::ParametersType ParametersType;
 
  typedef typename Superclass::JacobianType JacobianType;
 
  itkStaticConstMacro( SpaceDimension, unsigned int, Superclass::SpaceDimension );
 
  //itkSetMacro( Alpha, TScalarType ); Cant use the macro because the matrices must be recomputed
  void SetAlpha( TScalarType Alpha ) override
  {
    this->m_Alpha            = Alpha;
    this->m_LMatrixComputed  = false;
    this->m_LInverseComputed = false;
    this->m_WMatrixComputed  = false;
  }
 
 
  elxOverrideGetConstMacro( Alpha, TScalarType );
 
  void SetPoissonRatio( const TScalarType Nu ) override
  {
    if( Nu > -1.0 && Nu < 0.5 )
    {
      this->SetAlpha( 12.0 * ( 1.0 - Nu ) - 1.0 );
    }
  }
 
 
  const TScalarType GetPoissonRatio( void ) const override
  {
    return 1.0 - ( this->m_Alpha + 1.0 ) / 12.0;
  }
 
 
  typedef typename Superclass::InputPointType            InputPointType;
  typedef typename Superclass::OutputPointType           OutputPointType;
  typedef typename Superclass::InputVectorType           InputVectorType;
  typedef typename Superclass::OutputVectorType          OutputVectorType;
  typedef typename Superclass::InputCovariantVectorType  InputCovariantVectorType;
  typedef typename Superclass::OutputCovariantVectorType OutputCovariantVectorType;
 
protected:
 
  ElasticBodySplineKernelTransform2();
  ~ElasticBodySplineKernelTransform2() override {}
  void PrintSelf( std::ostream & os, Indent indent ) const override;
 
  typedef typename Superclass::GMatrixType GMatrixType;
 
  void ComputeG( const InputVectorType & x, GMatrixType & GMatrix ) const override;
 
  TScalarType m_Alpha;
 
private:
 
  ElasticBodySplineKernelTransform2( const Self & ); // purposely not implemented
  void operator=( const Self & );                    // purposely not implemented
 
};
 
} // namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkElasticBodySplineKernelTransform2.hxx"
#endif
 
#endif // __itkElasticBodySplineKernelTransform2_h