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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 itkLabelMapToAttributeImageFilter_h
#define itkLabelMapToAttributeImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkAttributeLabelObject.h"
namespace itk {
/** \class LabelMapToAttributeImageFilter
* \brief Convert a LabelMap to a labeled image
*
* LabelMapToAttributeImageFilter converts a LabelMap to an
* Image where all the pixels get the attribute value of the label object they belong.
*
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* This implementation was taken from the Insight Journal paper:
* https://hdl.handle.net/1926/584 or
* http://www.insight-journal.org/browse/publication/176
*
* \sa LabelMapToBinaryImageFilter, LabelMapMaskImageFilter
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
* \ingroup ITKLabelMap
*/
template<typename TInputImage, typename TOutputImage, typename TAttributeAccessor=
typename Functor::AttributeLabelObjectAccessor< typename TInputImage::LabelObjectType > >
class ITK_TEMPLATE_EXPORT LabelMapToAttributeImageFilter :
public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
/** Standard class typedefs. */
typedef LabelMapToAttributeImageFilter Self;
typedef ImageToImageFilter<TInputImage, TOutputImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Some convenient typedefs. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
typedef typename InputImageType::Pointer InputImagePointer;
typedef typename InputImageType::ConstPointer InputImageConstPointer;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename OutputImageType::ConstPointer OutputImageConstPointer;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename OutputImageType::PixelType OutputImagePixelType;
typedef typename OutputImageType::IndexType IndexType;
typedef TAttributeAccessor AttributeAccessorType;
typedef typename AttributeAccessorType::AttributeValueType AttributeValueType;
/** ImageDimension constants */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
/** Standard New method. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(LabelMapToAttributeImageFilter,
ImageToImageFilter);
/**
* Set/Get the value used as "background" in the output image, if the input
* LabelMap use a background.
* Defaults to NumericTraits<PixelType>::NonpositiveMin().
*/
itkSetMacro(BackgroundValue, OutputImagePixelType);
itkGetConstMacro(BackgroundValue, OutputImagePixelType);
protected:
LabelMapToAttributeImageFilter();
~LabelMapToAttributeImageFilter() ITK_OVERRIDE {};
void PrintSelf(std::ostream& os, Indent indent) const ITK_OVERRIDE;
/** LabelMapToAttributeImageFilter needs the entire input be
* available. Thus, it needs to provide an implementation of
* GenerateInputRequestedRegion(). */
void GenerateInputRequestedRegion() ITK_OVERRIDE;
/** LabelMapToAttributeImageFilter will produce the entire output. */
void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output)) ITK_OVERRIDE;
/** Single-threaded version of GenerateData. This filter delegates
* to GrayscaleGeodesicErodeImageFilter. */
void GenerateData() ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(LabelMapToAttributeImageFilter);
OutputImagePixelType m_BackgroundValue;
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkLabelMapToAttributeImageFilter.hxx"
#endif
#endif
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