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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkNeighborhoodBinaryThresholdImageFunction.txx,v $
Language: C++
Date: $Date: 2006-02-06 22:01:57 $
Version: $Revision: 1.9 $
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 __itkNeighborhoodBinaryThresholdImageFunction_txx
#define __itkNeighborhoodBinaryThresholdImageFunction_txx
#include "itkNeighborhoodBinaryThresholdImageFunction.h"
#include "itkNumericTraits.h"
#include "itkConstNeighborhoodIterator.h"
namespace itk
{
/**
* Constructor
*/
template <class TInputImage, class TCoordRep>
NeighborhoodBinaryThresholdImageFunction<TInputImage,TCoordRep>
::NeighborhoodBinaryThresholdImageFunction()
{
m_Radius.Fill(1);
}
/**
*
*/
template <class TInputImage, class TCoordRep>
void
NeighborhoodBinaryThresholdImageFunction<TInputImage,TCoordRep>
::PrintSelf(std::ostream& os, Indent indent) const
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Radius: " << m_Radius << std::endl;
}
/**
*
*/
template <class TInputImage, class TCoordRep>
bool
NeighborhoodBinaryThresholdImageFunction<TInputImage,TCoordRep>
::EvaluateAtIndex(const IndexType& index) const
{
if( !this->GetInputImage() )
{
return ( false );
}
if ( !this->IsInsideBuffer( index ) )
{
return ( false );
}
// Create an N-d neighborhood kernel, using a zeroflux boundary condition
ConstNeighborhoodIterator<InputImageType>
it(m_Radius, this->GetInputImage(), this->GetInputImage()->GetBufferedRegion());
// Set the iterator at the desired location
it.SetLocation(index);
// Walk the neighborhood
bool allInside = true;
PixelType lower = this->GetLower();
PixelType upper = this->GetUpper();
PixelType value;
const unsigned int size = it.Size();
for (unsigned int i = 0; i < size; ++i)
{
value = it.GetPixel(i);
if (lower > value || value > upper)
{
allInside = false;
break;
}
}
return ( allInside );
}
} // end namespace itk
#endif
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