itkHausdorffDistanceImageFilter.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 __itkHausdorffDistanceImageFilter_h
#define __itkHausdorffDistanceImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkNumericTraits.h"

namespace itk
{
template< typename TInputImage1, typename TInputImage2 >
class HausdorffDistanceImageFilter:
  public ImageToImageFilter< TInputImage1, TInputImage1 >
{
public:
  typedef HausdorffDistanceImageFilter                     Self;
  typedef ImageToImageFilter< TInputImage1, TInputImage1 > Superclass;
  typedef SmartPointer< Self >                             Pointer;
  typedef SmartPointer< const Self >                       ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(HausdorffDistanceImageFilter, ImageToImageFilter);

  typedef TInputImage1                        InputImage1Type;
  typedef TInputImage2                        InputImage2Type;
  typedef typename TInputImage1::Pointer      InputImage1Pointer;
  typedef typename TInputImage2::Pointer      InputImage2Pointer;
  typedef typename TInputImage1::ConstPointer InputImage1ConstPointer;
  typedef typename TInputImage2::ConstPointer InputImage2ConstPointer;

  typedef typename TInputImage1::RegionType RegionType;
  typedef typename TInputImage1::SizeType   SizeType;
  typedef typename TInputImage1::IndexType  IndexType;

  typedef typename TInputImage1::PixelType InputImage1PixelType;
  typedef typename TInputImage2::PixelType InputImage2PixelType;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TInputImage1::ImageDimension);

  typedef typename NumericTraits< InputImage1PixelType >::RealType RealType;

  void SetInput1(const InputImage1Type *image);

  void SetInput2(const InputImage2Type *image);

  const InputImage1Type * GetInput1(void);

  const InputImage2Type * GetInput2(void);

  itkSetMacro(UseImageSpacing, bool);
  itkGetConstMacro( UseImageSpacing, bool );

  itkGetConstMacro(HausdorffDistance, RealType);
  itkGetConstMacro(AverageHausdorffDistance, RealType);

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( Input1HasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< InputImage1PixelType > ) );
  // End concept checking
#endif

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

  void  GenerateData();

  // Override since the filter needs all the data for the algorithm
  void GenerateInputRequestedRegion();

  // Override since the filter produces all of its output
  void EnlargeOutputRequestedRegion(DataObject *data);

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

  RealType m_HausdorffDistance;
  RealType m_AverageHausdorffDistance;
  bool     m_UseImageSpacing;
}; // end of class
} // end namespace itk

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

#endif