itkEigenAnalysis2DImageFilter.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 __itkEigenAnalysis2DImageFilter_h
#define __itkEigenAnalysis2DImageFilter_h

#include "itkImageToImageFilter.h"

namespace itk
{
template< typename TInputImage, typename TEigenValueImage, typename TEigenVectorImage >
class EigenAnalysis2DImageFilter:
  public ImageToImageFilter< TInputImage, TEigenValueImage >
{
public:
  typedef EigenAnalysis2DImageFilter                          Self;
  typedef ImageToImageFilter< TInputImage, TEigenValueImage > Superclass;
  typedef SmartPointer< Self >                                Pointer;
  typedef SmartPointer< const Self >                          ConstPointer;

  itkTypeMacro(EigenAnalysis2DImageFilter, ImageToImageFilter);

  itkNewMacro(Self);

  typedef typename TEigenVectorImage::PixelType EigenVectorType;
  typedef typename EigenVectorType::ValueType   VectorComponentType;

  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;

  typedef TEigenValueImage                          EigenValueImageType;
  typedef typename EigenValueImageType::Pointer     EigenValueImagePointer;
  typedef typename EigenValueImageType::RegionType  EigenValueImageRegionType;
  typedef typename EigenValueImageType::PixelType   EigenValueImagePixelType;
  typedef TEigenVectorImage                         EigenVectorImageType;
  typedef typename EigenVectorImageType::Pointer    EigenVectorImagePointer;
  typedef typename EigenVectorImageType::RegionType EigenVectorImageRegionType;
  typedef typename EigenVectorImageType::PixelType  EigenVectorImagePixelType;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TInputImage::ImageDimension);

  void SetInput1(TInputImage *image1);

  void SetInput2(TInputImage *image2);

  void SetInput3(TInputImage *image3);

  EigenValueImageType * GetMaxEigenValue(void);

  EigenValueImageType * GetMinEigenValue(void);

  EigenVectorImageType * GetMaxEigenVector(void);

  typedef ProcessObject::DataObjectPointerArraySizeType DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  DataObject::Pointer MakeOutput(DataObjectPointerArraySizeType idx);

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( VectorComponentHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< VectorComponentType > ) );
  // End concept checking
#endif

protected:
  EigenAnalysis2DImageFilter();
  virtual ~EigenAnalysis2DImageFilter() {}

  void GenerateData(void);

private:
  EigenAnalysis2DImageFilter(const Self &); //purposely not implemented
  void operator=(const Self &);             //purposely not implemented
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkEigenAnalysis2DImageFilter.hxx"
#endif

#endif