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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkCropImageFilter.txx,v $
Language: C++
Date: $Date: 2006-08-01 19:16:17 $
Version: $Revision: 1.3 $
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 _itkCropImageFilter_txx
#define _itkCropImageFilter_txx
#include "itkCropImageFilter.h"
namespace itk
{
template <class TInputImage, class TOutputImage>
void
CropImageFilter<TInputImage, TOutputImage>
::GenerateOutputInformation()
{
const TInputImage * inputPtr = this->GetInput();
if( !inputPtr )
{
return;
}
// Compute the new region size.
OutputImageRegionType croppedRegion;
SizeType sz;
OutputImageIndexType idx;
InputImageSizeType input_sz =
inputPtr->GetLargestPossibleRegion().GetSize();
InputImageIndexType input_idx =
inputPtr->GetLargestPossibleRegion().GetIndex();
idx = input_idx + m_LowerBoundaryCropSize;
sz = input_sz - (m_UpperBoundaryCropSize + m_LowerBoundaryCropSize);
croppedRegion.SetSize(sz);
croppedRegion.SetIndex(idx);
// Set extraction region in the superclass.
this->SetExtractionRegion(croppedRegion);
//
Superclass::GenerateOutputInformation();
}
/**
*
*/
template <class TInputImage, class TOutputImage>
void
CropImageFilter<TInputImage,TOutputImage>
::PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os,indent);
os << indent << "UpperBoundaryCropSize: " << m_UpperBoundaryCropSize <<
std::endl;
os << indent << "LowerBoundaryCropSize: " << m_LowerBoundaryCropSize <<
std::endl;
}
} // end namespace itk
#endif
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