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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkBinaryThresholdSpatialFunction.h,v $
Language: C++
Date: $Date: 2006-03-19 23:21:39 $
Version: $Revision: 1.8 $
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 __itkBinaryThresholdSpatialFunction_h
#define __itkBinaryThresholdSpatialFunction_h
#include "itkSpatialFunction.h"
#include "itkImageBase.h"
namespace itk
{
/** \class BinaryThresholdSpatialFunction
* \brief A spatial functions that returns if the internal spatial function
* is within user specified thresholds.
*
* BinaryThresholdSpatialFunction is a wrapper class for an internal
* spatial function and returns true if it is within user specified
* thresholds and false otherwise.
*
* This class is templated over the internal spatial function type.
*
* \sa SpatialFunction
*
*
*/
template <typename TFunction>
class ITK_EXPORT BinaryThresholdSpatialFunction :
public SpatialFunction< bool,
::itk::GetImageDimension<TFunction>::ImageDimension,
ITK_TYPENAME TFunction::InputType >
{
public:
/** Standard class typedefs. */
typedef BinaryThresholdSpatialFunction Self;
typedef SpatialFunction< bool,
::itk::GetImageDimension<TFunction>::ImageDimension,
ITK_TYPENAME TFunction::InputType > Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(BinaryThresholdSpatialFunction, SpatialFunction);
/** New macro for creation of through the object factory.*/
itkNewMacro( Self );
/** OutputType typedef support. */
typedef typename Superclass::OutputType OutputType;
/** InputType typedef support. */
typedef typename TFunction::InputType InputType;
/** Underlying function type. */
typedef TFunction FunctionType;
/** Underlying function output type. */
typedef typename TFunction::OutputType FunctionOutputType;
/** Set/Get the lower threshold. */
itkSetMacro( LowerThreshold, FunctionOutputType );
itkGetConstReferenceMacro( LowerThreshold, FunctionOutputType );
/** Set/Get the upper threshold. */
itkSetMacro( UpperThreshold, FunctionOutputType );
itkGetConstReferenceMacro( UpperThreshold, FunctionOutputType );
/** Set/Get the underlying function. */
itkSetObjectMacro( Function, FunctionType );
itkGetConstObjectMacro( Function, FunctionType );
/** Evaluate the function at a given position. */
virtual OutputType Evaluate( const InputType& point ) const;
protected:
BinaryThresholdSpatialFunction();
~BinaryThresholdSpatialFunction();
void PrintSelf(std::ostream& os, Indent indent) const;
FunctionOutputType m_LowerThreshold;
FunctionOutputType m_UpperThreshold;
typename FunctionType::Pointer m_Function;
private:
BinaryThresholdSpatialFunction( const Self& ); //purposely not implemented
void operator=( const Self& ); //purposely not implemented
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkBinaryThresholdSpatialFunction.txx"
#endif
#endif
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