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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkBoxImageFilter.txx
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 __itkBoxImageFilter_txx
#define __itkBoxImageFilter_txx
#include "itkBoxImageFilter.h"
#include "itkProgressAccumulator.h"
namespace itk {
template <class TInputImage, class TOutputImage>
BoxImageFilter<TInputImage, TOutputImage>
::BoxImageFilter()
{
m_Radius.Fill( 1 ); // a good arbitary starting point
}
template <class TInputImage, class TOutputImage>
void
BoxImageFilter<TInputImage, TOutputImage>
::SetRadius( const RadiusType & radius )
{
if( m_Radius != radius )
{
m_Radius = radius;
this->Modified();
}
}
template <class TInputImage, class TOutputImage>
void
BoxImageFilter<TInputImage, TOutputImage>
::SetRadius( const unsigned long & radius )
{
RadiusType rad;
rad.Fill( radius );
this->SetRadius( rad );
}
template<class TInputImage, class TOutputImage>
void
BoxImageFilter<TInputImage, TOutputImage>
::GenerateInputRequestedRegion()
{
// call the superclass' implementation of this method
Superclass::GenerateInputRequestedRegion();
// get pointers to the input and output
typename Superclass::InputImagePointer inputPtr =
const_cast< TInputImage * >( this->GetInput() );
if ( !inputPtr )
{
return;
}
// get a copy of the input requested region (should equal the output
// requested region)
typename TInputImage::RegionType inputRequestedRegion;
inputRequestedRegion = inputPtr->GetRequestedRegion();
// pad the input requested region by the operator radius
inputRequestedRegion.PadByRadius( m_Radius );
// crop the input requested region at the input's largest possible region
if ( inputRequestedRegion.Crop(inputPtr->GetLargestPossibleRegion()) )
{
inputPtr->SetRequestedRegion( inputRequestedRegion );
return;
}
else
{
// Couldn't crop the region (requested region is outside the largest
// possible region). Throw an exception.
// store what we tried to request (prior to trying to crop)
inputPtr->SetRequestedRegion( inputRequestedRegion );
// build an exception
InvalidRequestedRegionError e(__FILE__, __LINE__);
OStringStream msg;
msg << static_cast<const char *>(this->GetNameOfClass())
<< "::GenerateInputRequestedRegion()";
e.SetLocation(msg.str().c_str());
e.SetDescription("Requested region is (at least partially) outside the largest possible region.");
e.SetDataObject(inputPtr);
throw e;
}
}
template <class TInputImage, class TOutputImage>
void
BoxImageFilter<TInputImage, TOutputImage>
::PrintSelf(std::ostream &os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Radius: " << m_Radius << std::endl;
}
}
#endif
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