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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkImageFileReaderStreamingTest2.cxx,v $
Language: C++
Date: $Date: 2009-11-03 13:22:01 $
Version: $Revision: 1.2 $
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 "itkPipelineMonitorImageFilter.h"
#include "itkStreamingImageFilter.h"
#include "itkDifferenceImageFilter.h"
#include "itkExtractImageFilter.h"
typedef unsigned char PixelType;
typedef itk::Image<PixelType,3> ImageType;
typedef ImageType::ConstPointer ImageConstPointer;
namespace { // local namespace
// test is a sub region of the base line,
// just the region defined by the test image is used to compare
bool SameRegionImage( ImageConstPointer test, ImageConstPointer baseline )
{
PixelType intensityTolerance = 0;
unsigned int radiusTolerance = 0;
unsigned int numberOfPixelTolerance = 0;
typedef itk::ExtractImageFilter<ImageType, ImageType> ExtractImageFilter;
ExtractImageFilter::Pointer extractor = ExtractImageFilter::New();
extractor->SetExtractionRegion( test->GetLargestPossibleRegion() );
extractor->SetInput( baseline );
typedef itk::DifferenceImageFilter<ImageType,ImageType> DiffType;
DiffType::Pointer diff = DiffType::New();
diff->SetValidInput( extractor->GetOutput());
diff->SetTestInput(test);
diff->SetDifferenceThreshold( intensityTolerance );
diff->SetToleranceRadius( radiusTolerance );
diff->UpdateLargestPossibleRegion();
unsigned long status = diff->GetNumberOfPixelsWithDifferences();
std::cout << "NumberOfPixelsWithDifferences: " << status << std::endl;
if (status > numberOfPixelTolerance)
return false;
return true;
}
}
int itkImageFileReaderStreamingTest2(int argc, char* argv[])
{
if( argc < 2 )
{
std::cerr << "Usage: " << argv[0] << " input " << std::endl;
return EXIT_FAILURE;
}
typedef itk::ImageFileReader<ImageType> ReaderType;
ReaderType::Pointer baselineReader = ReaderType::New();
baselineReader->SetFileName( argv[1] );
baselineReader->UpdateLargestPossibleRegion();
ImageType::ConstPointer baselineImage = baselineReader->GetOutput();
ReaderType::Pointer streamingReader = ReaderType::New();
streamingReader->SetFileName( argv[1] );
streamingReader->UseStreamingOn();
typedef itk::PipelineMonitorImageFilter<ImageType> MonitorFilter;
MonitorFilter::Pointer monitor = MonitorFilter::New();
monitor->SetInput( streamingReader->GetOutput());
typedef itk::ExtractImageFilter<ImageType, ImageType> ExtractImageFilter;
ExtractImageFilter::Pointer extractor = ExtractImageFilter::New();
extractor->SetInput( monitor->GetOutput() );
const ImageType::RegionType largestRegion = baselineReader->GetOutput()->GetLargestPossibleRegion();
ImageType::RegionType ioregion = baselineReader->GetOutput()->GetLargestPossibleRegion();
streamingReader->Modified();
////////////////////////////////////////////////
// test whole Image
ioregion.SetIndex(0, largestRegion.GetIndex()[0]);
ioregion.SetIndex(1, largestRegion.GetIndex()[1]);
ioregion.SetIndex(2, largestRegion.GetIndex()[2]);
ioregion.SetSize(0, 1);
ioregion.SetSize(1, largestRegion.GetSize()[1]);
ioregion.SetSize(2, 1);
extractor->SetExtractionRegion( ioregion );
std::cout << "=== Updating full IORegion ==" << std::endl;
extractor->Update();
if (!monitor->VerifyAllInputCanStream(1))
{
std::cout << monitor;
return EXIT_FAILURE;
}
if (!SameRegionImage( extractor->GetOutput(), baselineImage) )
{
return EXIT_FAILURE;
}
////////////////////////////////////////////////
// test fullx1x1
ioregion.SetIndex(0, largestRegion.GetIndex()[0]);
ioregion.SetIndex(1, largestRegion.GetIndex()[1]+largestRegion.GetSize()[1]/2 + 1);
ioregion.SetIndex(2, largestRegion.GetIndex()[2]+largestRegion.GetSize()[2]/2 + 1);
ioregion.SetSize(0, largestRegion.GetSize()[0]);
ioregion.SetSize(1, 1);
ioregion.SetSize(2, 1);
extractor->SetExtractionRegion( ioregion );
std::cout << "=== Updating fullx1x1 IORegion ==" << std::endl;
extractor->UpdateLargestPossibleRegion();
std::cout << "check\n";
if (!monitor->VerifyAllInputCanStream(1))
{
std::cout << monitor;
return EXIT_FAILURE;
}
if (!SameRegionImage( extractor->GetOutput(), baselineImage) )
{
return EXIT_FAILURE;
}
////////////////////////////////////////////////
// test 1xfullx1
ioregion.SetIndex(0, largestRegion.GetIndex()[0]+largestRegion.GetSize()[0]/2 + 1);
ioregion.SetIndex(1, largestRegion.GetIndex()[1]);
ioregion.SetIndex(2, largestRegion.GetIndex()[2]+largestRegion.GetSize()[2]/2 + 1);
ioregion.SetSize(0, 1);
ioregion.SetSize(1, largestRegion.GetSize()[1]);
ioregion.SetSize(2, 1);
extractor->SetExtractionRegion( ioregion );
std::cout << "=== Updating 1xfullx1 IORegion ==" << std::endl;
extractor->UpdateLargestPossibleRegion();
if (!monitor->VerifyAllInputCanStream(1))
{
std::cout << monitor;
return EXIT_FAILURE;
}
if (!SameRegionImage( extractor->GetOutput(), baselineImage) )
{
return EXIT_FAILURE;
}
////////////////////////////////////////////////
// test 1x1xfull
ioregion.SetIndex(0, largestRegion.GetIndex()[0]+largestRegion.GetSize()[0]/2 + 1);
ioregion.SetIndex(1, largestRegion.GetIndex()[1]+largestRegion.GetSize()[1]/2 + 1);
ioregion.SetIndex(2, largestRegion.GetIndex()[2]);
ioregion.SetSize(0, 1);
ioregion.SetSize(1, 1);
ioregion.SetSize(2, largestRegion.GetSize()[2]);
extractor->SetExtractionRegion( ioregion );
std::cout << "=== Updating 1x1xfull IORegion ==" << std::endl;
extractor->UpdateLargestPossibleRegion();
if (!monitor->VerifyAllInputCanStream(1))
{
std::cout << monitor;
return EXIT_FAILURE;
}
if (!SameRegionImage( extractor->GetOutput(), baselineImage) )
{
return EXIT_FAILURE;
}
////////////////////////////////////////////////
// test fullx3x3
ioregion.SetIndex(0, largestRegion.GetIndex()[0]);
ioregion.SetIndex(1, largestRegion.GetIndex()[1]+largestRegion.GetSize()[1]/2 + 1);
ioregion.SetIndex(2, largestRegion.GetIndex()[2]+largestRegion.GetSize()[2]/2 + 1);
ioregion.SetSize(0, largestRegion.GetSize()[0]);
ioregion.SetSize(1, 3);
ioregion.SetSize(2, 3);
extractor->SetExtractionRegion( ioregion );
std::cout << "=== Updating fullx3x3 IORegion ==" << std::endl;
extractor->UpdateLargestPossibleRegion();
if (!monitor->VerifyAllInputCanStream(1))
{
std::cout << monitor;
return EXIT_FAILURE;
}
if (!SameRegionImage( extractor->GetOutput(), baselineImage) )
{
return EXIT_FAILURE;
}
////////////////////////////////////////////////
// test 3xfullx3
ioregion.SetIndex(0, largestRegion.GetIndex()[0]+largestRegion.GetSize()[0]/2 + 1);
ioregion.SetIndex(1, largestRegion.GetIndex()[1]);
ioregion.SetIndex(2, largestRegion.GetIndex()[2]+largestRegion.GetSize()[2]/2 + 1);
ioregion.SetSize(0, 3);
ioregion.SetSize(1, largestRegion.GetSize()[1]);
ioregion.SetSize(2, 3);
extractor->SetExtractionRegion( ioregion );
std::cout << "=== Updating 3xfullx3 IORegion ==" << std::endl;
extractor->UpdateLargestPossibleRegion();
if (!monitor->VerifyAllInputCanStream(1))
{
std::cout << monitor;
return EXIT_FAILURE;
}
if (!SameRegionImage( extractor->GetOutput(), baselineImage) )
{
return EXIT_FAILURE;
}
////////////////////////////////////////////////
// test 3x3xfull
ioregion.SetIndex(0, largestRegion.GetIndex()[0]+largestRegion.GetSize()[0]/2 + 1);
ioregion.SetIndex(1, largestRegion.GetIndex()[1]+largestRegion.GetSize()[1]/2 + 1);
ioregion.SetIndex(2, largestRegion.GetIndex()[2]);
ioregion.SetSize(0, 3);
ioregion.SetSize(1, 3);
ioregion.SetSize(2, largestRegion.GetSize()[2]);
extractor->SetExtractionRegion( ioregion );
std::cout << "=== Updating 3x3xfull IORegion ==" << std::endl;
extractor->UpdateLargestPossibleRegion();
if (!monitor->VerifyAllInputCanStream(1))
{
std::cout << monitor;
return EXIT_FAILURE;
}
if (!SameRegionImage( extractor->GetOutput(), baselineImage) )
{
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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