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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkConnectedThresholdImageFilterTest.cxx
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.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include <fstream>
#include "itkConnectedThresholdImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkPNGImageIO.h"
#include "itkImageRegionIterator.h"
#include "itkFilterWatcher.h"
int itkConnectedThresholdImageFilterTest(int ac, char* av[] )
{
if(ac < 7)
{
std::cerr << "Usage: " << av[0]
<< " InputImage OutputImage "
<< "seed_x seed_y "
<< "LowerConnectedThreshold UpperConnectedThreshold "
<< "Connectivity[1=Full,0=Face]\n"
<< " ITK_USE_REVIEW must be on to be able to use full connectivity.\n";
return -1;
}
typedef unsigned char PixelType;
typedef itk::Image<PixelType, 2> myImage;
itk::ImageFileReader<myImage>::Pointer input
= itk::ImageFileReader<myImage>::New();
input->SetFileName(av[1]);
// Create a filter
typedef itk::ConnectedThresholdImageFilter<myImage,myImage> FilterType;
FilterType::Pointer filter = FilterType::New();
FilterWatcher watcher(filter);
filter->SetInput(input->GetOutput());
FilterType::IndexType seed; seed[0] = atoi(av[3]); seed[1] = atoi(av[4]);
filter->AddSeed(seed);
filter->SetLower(atoi(av[5]));
filter->SetUpper(atoi(av[6]));
filter->SetReplaceValue(255);
#ifdef ITK_USE_REVIEW
// Test the use of full (8 connectivity in 2D) on this image.
if (ac > 7)
{
filter->SetConnectivity( atoi(av[7]) ?
FilterType::FullConnectivity : FilterType::FaceConnectivity );
}
#endif
try
{
input->Update();
filter->Update();
}
catch (itk::ExceptionObject& e)
{
std::cerr << "Exception detected: " << e.GetDescription();
return -1;
}
// Generate test image
itk::ImageFileWriter<myImage>::Pointer writer;
writer = itk::ImageFileWriter<myImage>::New();
writer->SetInput( filter->GetOutput() );
writer->SetFileName( av[2] );
writer->Update();
return EXIT_SUCCESS;
}
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