/usr/include/ITK-4.5/itkWatershedEquivalenceRelabeler.h is in libinsighttoolkit4-dev 4.5.0-3.
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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 __itkWatershedEquivalenceRelabeler_h
#define __itkWatershedEquivalenceRelabeler_h
#include "itkWatershedSegmenter.h"
namespace itk
{
namespace watershed
{
/** \class EquivalenceRelabeler
*
* This class is part of the set of watershed segmentation component objects.
* It is an image-to-image filter that relabels its input according to a set of
* equivalencies defined in a table. The filter is used in
* itk::WatershedImageFilter, for example, to relabel a segmented image
* at different hierarchies in the merge tree (see itk::WatershedImageFilter
* for documentation on terminology). It simply takes its input and changes
* any values found in the equivalency table.
*
* \par Inputs
* There are two inputs to this filter, an IdentifierType itk::Image of
* arbitrary dimension, and an itk::EquivalencyTable. The input
* image is the image to be relabeled and copied to the output, and the
* EquivalencyTable identifies how to relabel the values.
*
* \par Output
* The output of this filter is the relabeled IdentifierType itk::Image of same
* dimension and size as the input.
*
* \ingroup WatershedSegmentation
* \sa itk::WatershedImageFilter
* \sa EquivalencyTable
* \ingroup ITKWatersheds
*/
template< typename TScalar, unsigned int TImageDimension >
class EquivalenceRelabeler:
public ProcessObject
{
public:
/** Expose templated image dimension parameter at run time */
itkStaticConstMacro(ImageDimension, unsigned int, TImageDimension);
/** Some convenient typedefs. */
typedef Image< IdentifierType, TImageDimension > ImageType;
typedef EquivalenceRelabeler Self;
typedef ProcessObject Superclass;
typedef TScalar ScalarType;
typedef EquivalencyTable EquivalencyTableType;
typedef Segmenter< Image< ScalarType, TImageDimension > > SegmenterType;
typedef DataObject::Pointer DataObjectPointer;
/** Define smart pointers for this object. */
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
itkNewMacro(Self);
itkTypeMacro(WatershedEquivalenceRelabeler, ProcessObject);
/** Set/Get the image to relabel. */
void SetInputImage(ImageType *img)
{ this->ProcessObject::SetNthInput(0, img); }
const ImageType * GetInputImage(void)
{
return static_cast< ImageType * >
( this->ProcessObject::GetInput(0) );
}
/** Set/Get the output image */
void SetOutputImage(ImageType *img)
{
this->ProcessObject::SetNthOutput(0, img);
}
typename ImageType::Pointer GetOutputImage()
{
return static_cast< ImageType * >
( this->ProcessObject::GetOutput(0) );
}
/** Set/Get the table to use in relabeling the input image. */
void SetEquivalencyTable(EquivalencyTableType *et)
{
this->ProcessObject::SetNthInput(1, et);
}
EquivalencyTableType::Pointer GetEquivalencyTable()
{
return static_cast< EquivalencyTableType * >
( this->ProcessObject::GetInput(1) );
}
/** Standard non-threaded pipeline method */
void GenerateData();
/** Standard itk::ProcessObject subclass method. */
typedef ProcessObject::DataObjectPointerArraySizeType DataObjectPointerArraySizeType;
using Superclass::MakeOutput;
virtual DataObjectPointer MakeOutput(DataObjectPointerArraySizeType idx);
protected:
EquivalenceRelabeler()
{
typename ImageType::Pointer img =
static_cast< ImageType * >( this->MakeOutput(0).GetPointer() );
this->SetNumberOfRequiredOutputs(1);
this->ProcessObject::SetNthOutput( 0, img.GetPointer() );
}
virtual ~EquivalenceRelabeler() {}
EquivalenceRelabeler(const Self &) {}
void operator=(const Self &) {}
void PrintSelf(std::ostream & os, Indent indent) const;
void GenerateOutputRequestedRegion(DataObject *output);
void GenerateInputRequestedRegion();
};
} // end namespace watershed
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkWatershedEquivalenceRelabeler.hxx"
#endif
#endif
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