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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 itkLevelSetDomainMapImageFilter_h
#define itkLevelSetDomainMapImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkImageRegionIterator.h"
#include "itkImageRegionIteratorWithIndex.h"
#include <list>
#include <vector>
namespace itk
{
/**
\class LevelSetDomainMapImageFilter
\tparam TInputImage Image where the pixel type is a container (e.g. std::list) of level set ids
\tparam TOutputImage Image where the pixel type is an identifier integer to associate with each subdomain
Every subdomain (image region) has a consistent set of level sets ids associated with every pixel.
\ingroup ITKLevelSetsv4
*/
template < typename TInputImage, typename TOutputImage >
class ITK_TEMPLATE_EXPORT LevelSetDomainMapImageFilter : public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
typedef LevelSetDomainMapImageFilter Self;
typedef ImageToImageFilter< TInputImage,TOutputImage > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
itkStaticConstMacro ( ImageDimension, unsigned int,
TInputImage::ImageDimension );
/** Method for creation through object factory */
itkNewMacro ( Self );
/** Run-time type information */
itkTypeMacro ( LevelSetDomainMapImageFilter, ImageToImageFilter );
typedef TInputImage InputImageType;
typedef typename InputImageType::ConstPointer InputImageConstPointer;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::SizeType InputImageSizeType;
typedef typename InputImageSizeType::SizeValueType InputImageSizeValueType;
typedef typename InputImageType::IndexType InputImageIndexType;
typedef TOutputImage OutputImageType;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename OutputImageType::IndexType OutputImageIndexType;
typedef typename OutputImageType::PixelType OutputImagePixelType;
typedef ImageRegionConstIteratorWithIndex< InputImageType > InputConstIteratorType;
typedef ImageRegionIteratorWithIndex< InputImageType > InputIndexIteratorType;
typedef ImageRegionIterator< InputImageType > InputIteratorType;
typedef ImageRegionConstIteratorWithIndex< OutputImageType > OutputConstIteratorType;
typedef ImageRegionIteratorWithIndex< OutputImageType > OutputIndexIteratorType;
typedef ImageRegionIterator< OutputImageType > OutputIteratorType;
/** \class LevelSetDomain
* \brief Specifies an image region where an unique std::list of level sets Id's are defined.
* \ingroup ITKLevelSetsv4 */
class LevelSetDomain
{
public:
LevelSetDomain() {}
LevelSetDomain( const InputImageRegionType& reg,
const InputImagePixelType& iList ) :
m_Region( reg ), m_IdList( iList ) {}
const InputImageRegionType * GetRegion() const
{
return &(this->m_Region);
}
const InputImagePixelType * GetIdList() const
{
return &(this->m_IdList);
}
private:
InputImageRegionType m_Region;
InputImagePixelType m_IdList;
};
/** Map from a integer identifier to the level set list image domain. */
typedef std::map< IdentifierType, LevelSetDomain > DomainMapType;
/** Get a map from the identifier for the domains with consistent level set ids
* * struct containing an (int, string, etc) identifier and the ImageRegion that
* specifies the domain. */
const DomainMapType & GetDomainMap() const;
protected:
LevelSetDomainMapImageFilter();
~LevelSetDomainMapImageFilter() ITK_OVERRIDE;
/** Computes a consistent region for the same set of overlapping
* level set support. */
InputImageRegionType ComputeConsistentRegion( const InputImageRegionType & subRegion ) const;
/** Identify image partitions where each partition has the same overlapping
* level set support */
virtual void GenerateData() ITK_OVERRIDE;
/** Display */
virtual void PrintSelf ( std::ostream& os, Indent indent ) const ITK_OVERRIDE;
private:
DomainMapType m_DomainMap;
LevelSetDomainMapImageFilter ( Self& ); // intentionally not implemented
void operator= ( const Self& ); // intentionally not implemented
const InputImageType *m_InputImage;
OutputImageType *m_OutputImage;
};
} /* namespace itk */
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkLevelSetDomainMapImageFilter.hxx"
#endif
#endif
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