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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkNeighborhoodSampler.h
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkNeighborhoodSampler_h
#define __itkNeighborhoodSampler_h
#include "itkSampleToSubsampleFilter.h"
#include "itkSimpleDataObjectDecorator.h"
namespace itk {
namespace Statistics {
/** \class NeighborhoodSampler
* \brief Generates a Subsample out of a Sample, based on a user-provided
* distance to a MeasurementVector.
*
* This filter will take as input a Sample and produce as output a Subsample
* containing the instances of the sample that are at a distance lower than
* a user-provided threshold from a user-provided measurement vector.
*
* \sa Sample, Subsample
*
* \sa SampleToSubsampleFilter
*
*/
template< class TSample >
class ITK_EXPORT NeighborhoodSampler : public SampleToSubsampleFilter< TSample >
{
public:
/** Standard class typedefs. */
typedef NeighborhoodSampler Self;
typedef SampleToSubsampleFilter< TSample > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Standard macros */
itkTypeMacro(NeighborhoodSampler, SampleToSubsampleFilter);
itkNewMacro(Self);
/** Typedefs for Measurement vector, measurement, Instance Identifier,
* frequency, size, size element value from the template argument TSample */
itkSuperclassTraitMacro( SampleType )
itkSuperclassTraitMacro( MeasurementVectorType )
itkSuperclassTraitMacro( MeasurementType )
itkSuperclassTraitMacro( InstanceIdentifier )
itkSuperclassTraitMacro( SubsampleType )
itkSuperclassTraitMacro( OutputType )
/** Type of the distance radius. */
typedef double RadiusType;
/** Type of DataObjects to use for distance radius input. */
typedef SimpleDataObjectDecorator< RadiusType > InputRadiusObjectType;
/** Method to set the input value of the Radius */
itkSetDecoratedInputMacro( Radius, RadiusType, 1 );
protected:
NeighborhoodSampler();
virtual ~NeighborhoodSampler();
void PrintSelf(std::ostream& os, Indent indent) const;
void GenerateData();
private:
NeighborhoodSampler(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
}; // end of class
} // end of namespace Statistics
} // end of namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkNeighborhoodSampler.txx"
#endif
#endif
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