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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkMetaImageStreamingIOTest.cxx,v $
Language: C++
Date: $Date: 2007-09-06 18:32:53 $
Version: $Revision: 1.1 $
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.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#ifdef __BORLANDC__
#define ITK_LEAN_AND_MEAN
#endif
#include <fstream>
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkStreamingImageFilter.h"
#include "itkMedianImageFilter.h"
int itkMetaImageStreamingIOTest(int ac, char* av[])
{
// Image types are defined below.
typedef unsigned char InputPixelType;
typedef unsigned char OutputPixelType;
const unsigned int Dimension = 3;
typedef itk::Image< InputPixelType, Dimension > InputImageType;
typedef itk::Image< OutputPixelType, Dimension > OutputImageType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
typedef itk::ImageFileWriter< OutputImageType > WriterType;
typedef itk::MedianImageFilter< OutputImageType,
OutputImageType > FilterType;
typedef itk::StreamingImageFilter< OutputImageType,
OutputImageType > StreamingFilterType;
FilterType::Pointer filter = FilterType::New();
StreamingFilterType::Pointer streamer = StreamingFilterType::New();
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
const std::string inputFilename = av[1];
const std::string outputFilename = av[2];
reader->SetFileName( inputFilename );
reader->SetUseStreaming(true);
writer->SetFileName( outputFilename );
InputImageType::SizeType indexRadius;
indexRadius[0] = 1; // radius along x
indexRadius[1] = 1; // radius along y
indexRadius[2] = 1; // radius along Z
filter->SetRadius( indexRadius );
//filter->SetInput( reader->GetOutput() );
streamer->SetInput( reader->GetOutput() );
writer->SetInput( streamer->GetOutput() );
// By default we decide to use 4 pieces, but this value can
// be changed from the command line.
unsigned int numberOfDataPieces = 4;
if( ac > 3 )
{
numberOfDataPieces = atoi( av[3] );
}
streamer->SetNumberOfStreamDivisions( numberOfDataPieces );
try
{
writer->Update();
}
catch( itk::ExceptionObject & err )
{
std::cerr << "ExceptionObject caught !" << std::endl;
std::cerr << err << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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