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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkIsolatedConnectedImageFilterTest.cxx,v $
Language: C++
Date: $Date: 2007-08-10 14:34:02 $
Version: $Revision: 1.15 $
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 "itkIsolatedConnectedImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkImageRegionIterator.h"
#include "itkNumericTraits.h"
#include "itkFilterWatcher.h"
int itkIsolatedConnectedImageFilterTest(int ac, char* av[] )
{
if(ac < 8)
{
std::cerr << "Usage: " << av[0] << " InputImage OutputImage FindUpper(true,false) seed1_x seed1_y seed2_x seed2_y [seed1_x2 seed1_y2 seed2_x2 seed2_y2]*\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::IsolatedConnectedImageFilter<myImage,myImage> FilterType;
FilterType::Pointer filter = FilterType::New();
FilterWatcher watcher(filter);
filter->SetInput(input->GetOutput());
FilterType::IndexType seed1;
seed1[0] = atoi(av[4]); seed1[1] = atoi(av[5]);
filter->SetSeed1(seed1); // deprecated method
seed1[0] = atoi(av[6]); seed1[1] = atoi(av[7]);
filter->SetSeed2(seed1); // deprecated method
// Add additional seeds
for (int i=8; i<ac; i+=4)
{
seed1[0] = atoi(av[i]); seed1[1] = atoi(av[i+1]);
filter->AddSeed1(seed1);
seed1[0] = atoi(av[i+2]); seed1[1] = atoi(av[i+3]);
filter->AddSeed2(seed1);
}
// The min and max values for a .png image
filter->SetLower(0);
filter->SetUpperValueLimit(255); //deprecated method
filter->SetUpper(255);
filter->SetReplaceValue(255);
// Test SetMacro
filter->SetIsolatedValueTolerance(1);
// Test SetMacro
std::string findUpper = av[3];
if (findUpper == "true")
{ filter->FindUpperThresholdOn(); }
else
{ filter->FindUpperThresholdOff(); }
// Test GetMacros
PixelType lower = filter->GetLower();
std::cout << "filter->GetLower(): "
<< static_cast<itk::NumericTraits<PixelType>::PrintType>(lower)
<< std::endl;
PixelType isolatedValueTolerance = filter->GetIsolatedValueTolerance();
std::cout << "filter->GetIsolatedValueTolerance(): "
<< static_cast<itk::NumericTraits<PixelType>::PrintType>(isolatedValueTolerance)
<< std::endl;
PixelType upperValueLimit = filter->GetUpperValueLimit();
std::cout << "filter->GetUpperValueLimit(): "
<< static_cast<itk::NumericTraits<PixelType>::PrintType>(upperValueLimit)
<< std::endl;
PixelType upper = filter->GetUpper();
std::cout << "filter->GetUpper(): "
<< static_cast<itk::NumericTraits<PixelType>::PrintType>(upper)
<< std::endl;
PixelType replaceValue = filter->GetReplaceValue();
std::cout << "filter->GetReplaceValue(): "
<< static_cast<itk::NumericTraits<PixelType>::PrintType>(replaceValue)
<< std::endl;
bool findUpperThreshold = filter->GetFindUpperThreshold();
std::cout << "filter->GetFindUpperThreshold(): "
<< findUpperThreshold
<< std::endl;
try
{
input->Update();
filter->Update();
}
catch (itk::ExceptionObject& e)
{
std::cerr << "Exception detected: " << e.GetDescription();
return -1;
}
bool thresholdingFailed = filter->GetThresholdingFailed();
if (thresholdingFailed)
{
std::cout << "Selection of isolating threshold failed" << std::endl;
}
else
{
std::cout << "Selection of isolating threshold succeeded" << std::endl;
}
// Generate test image
itk::ImageFileWriter<myImage>::Pointer writer;
writer = itk::ImageFileWriter<myImage>::New();
writer->SetInput( filter->GetOutput() );
writer->SetFileName( av[2] );
writer->Update();
// Now flip the mode to test whether it fails
if (findUpper == "true")
{ filter->FindUpperThresholdOff(); }
else
{ filter->FindUpperThresholdOn(); }
try
{
filter->Update();
}
catch (itk::ExceptionObject& e)
{
std::cerr << "Exception detected: " << e.GetDescription();
return -1;
}
thresholdingFailed = filter->GetThresholdingFailed();
if (thresholdingFailed)
{
std::cout << "When mode flipped: Selection of isolating threshold failed" << std::endl;
}
else
{
std::cout << "When mode flipped: Selection of isolating threshold succeeded" << std::endl;
}
return EXIT_SUCCESS;
}
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