text: /*=========================================================================
  
    Program:   Insight Segmentation & Registration Toolkit
    Module:    $RCSfile: itkCompactlySupportedRBFSparseKernelTransform.h,v $
    Language:  C++
    Date:      $Date: 2014-1-28 14:22:18 $
    Version:   $Revision: 1.1 $
  
    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 __itkCompactlySupportedRBFSparseKernelTransform_h
  #define __itkCompactlySupportedRBFSparseKernelTransform_h
  
  #include "itkSparseKernelTransform.h"
  
  namespace itk
  {
  /** \class CompactlySupportedRBFSparseKernelTransform
   * \ingroup Transforms
   */
  template <class TScalarType,         // Data type for scalars (float or double)
            unsigned int NDimensions = 3>          // Number of dimensions
  class ITK_EXPORT CompactlySupportedRBFSparseKernelTransform :
          public SparseKernelTransform<   TScalarType, NDimensions>
  {
  public:
      /** Standard class typedefs. */
      typedef CompactlySupportedRBFSparseKernelTransform Self;
      typedef SparseKernelTransform<    TScalarType, NDimensions>   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( CompactlySupportedRBFSparseKernelTransform, SparseKernelTransform );
  
      /** Scalar type. */
      typedef typename Superclass::ScalarType  ScalarType;
  
      /** Parameters type. */
      typedef typename Superclass::ParametersType  ParametersType;
  
      /** Jacobian Type */
      typedef typename Superclass::JacobianType  JacobianType;
  
      /** Dimension of the domain space. */
      itkStaticConstMacro(SpaceDimension, unsigned int,Superclass::SpaceDimension);
  
      /** These (rather redundant) typedefs are needed because on SGI, typedefs
     * are not inherited */
      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;
      typedef typename Superclass::PointsIterator PointsIterator;
      //  void SetParameters( const ParametersType & parameters );
  
      void SetSigma(double sigma){this->Sigma = sigma;}
  
      virtual void ComputeJacobianWithRespectToParameters(
          const InputPointType  &in, JacobianType &jacobian) const;
  
  
  protected:
      CompactlySupportedRBFSparseKernelTransform() {this->Sigma = 1; }
      virtual ~CompactlySupportedRBFSparseKernelTransform() {}
  
      /** These (rather redundant) typedefs are needed because on SGI, typedefs
     * are not inherited. */
      typedef typename Superclass::GMatrixType GMatrixType;
  
      const GMatrixType & ComputeG(const InputVectorType & x) const override;
  
      /** Compute the contribution of the landmarks weighted by the kernel funcion
        to the global deformation of the space  */
      virtual void ComputeDeformationContribution( const InputPointType & inputPoint,
                                                   OutputPointType & result ) const override;
  
  private:
      CompactlySupportedRBFSparseKernelTransform(const Self&); //purposely not implemented
      void operator=(const Self&); //purposely not implemented
  
      // basis support
      double Sigma;
  
  };
  
  } // namespace itk
  
  #include "itkCompactlySupportedRBFSparseKernelTransform.cpp"
  
  
  #endif // __itkCompactlySupportedRBFSparseKernelTransform_h
  