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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkMorphologicalWatershedImageFilterTest.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 "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkSimpleFilterWatcher.h"
#include <itkIntensityWindowingImageFilter.h>
#include <itkMinimumMaximumImageCalculator.h>
#include "itkMorphologicalWatershedImageFilter.h"
#include "itkLabelOverlayImageFilter.h"
int itkMorphologicalWatershedImageFilterTest(int argc, char * argv[])
{
if( argc < 6 )
{
std::cerr << "Missing Parameters " << std::endl;
std::cerr << "Usage: " << argv[0];
std::cerr << " InputImage OutputImage MarkWatershedLine";
std::cerr << " FullyConnected Level [OvelayOutput [Alpha]]" << std::endl;
return EXIT_FAILURE;
}
const int dim = 2;
typedef unsigned char PixelType;
typedef itk::Image< PixelType, dim > ImageType;
typedef itk::ImageFileReader< ImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[1] );
typedef itk::MorphologicalWatershedImageFilter<
ImageType, ImageType > FilterType;
FilterType::Pointer filter = FilterType::New();
filter->SetInput( reader->GetOutput() );
// test default values
if ( filter->GetMarkWatershedLine( ) != true )
{
std::cerr << "Wrong default MarkWatershedLine." << std::endl;
return EXIT_FAILURE;
}
if ( filter->GetFullyConnected( ) != false )
{
std::cerr << "Wrong default FullyConnected." << std::endl;
return EXIT_FAILURE;
}
if ( filter->GetLevel( ) != 0 )
{
std::cerr << "Wrong default Level." << std::endl;
return EXIT_FAILURE;
}
filter->SetMarkWatershedLine( atoi( argv[3] ) );
if ( filter->GetMarkWatershedLine( ) != (bool)atoi(argv[3]) )
{
std::cerr << "Set/Get MarkWatershedLine problem." << std::endl;
return EXIT_FAILURE;
}
filter->SetFullyConnected( atoi( argv[4] ) );
if ( filter->GetFullyConnected( ) != (bool)atoi(argv[4]) )
{
std::cerr << "Set/Get FullyConnected problem." << std::endl;
return EXIT_FAILURE;
}
filter->SetLevel( atoi( argv[5] ) );
if ( filter->GetLevel( ) != atoi(argv[5]) )
{
std::cerr << "Set/Get Level problem." << std::endl;
return EXIT_FAILURE;
}
itk::SimpleFilterWatcher watcher(filter, "filter");
try
{
filter->Update();
}
catch ( itk::ExceptionObject & excp )
{
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
// rescale the output to have a better display
typedef itk::MinimumMaximumImageCalculator< ImageType > MaxCalculatorType;
MaxCalculatorType::Pointer max = MaxCalculatorType::New();
max->SetImage( filter->GetOutput() );
max->Compute();
typedef itk::IntensityWindowingImageFilter<
ImageType, ImageType > RescaleType;
RescaleType::Pointer rescale = RescaleType::New();
rescale->SetInput( filter->GetOutput() );
rescale->SetWindowMinimum( itk::NumericTraits< PixelType >::Zero );
rescale->SetWindowMaximum( max->GetMaximum() );
rescale->SetOutputMaximum( itk::NumericTraits< PixelType >::max() );
rescale->SetOutputMinimum( itk::NumericTraits< PixelType >::Zero );
typedef itk::ImageFileWriter< ImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( rescale->GetOutput() );
writer->SetFileName( argv[2] );
try
{
writer->Update();
}
catch ( itk::ExceptionObject & excp )
{
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
if( argc > 6 )
{
typedef itk::RGBPixel< unsigned char > RGBPixelType;
typedef itk::Image< RGBPixelType, dim > RGBImageType;
typedef itk::LabelOverlayImageFilter<
ImageType, ImageType, RGBImageType> OverlayType;
OverlayType::Pointer overlay = OverlayType::New();
overlay->SetInput( reader->GetOutput() );
overlay->SetLabelImage( filter->GetOutput() );
typedef itk::ImageFileWriter< RGBImageType > RGBWriterType;
RGBWriterType::Pointer rgbwriter = RGBWriterType::New();
rgbwriter->SetInput( overlay->GetOutput() );
rgbwriter->SetFileName( argv[6] );
if( argc > 7 )
{
overlay->SetOpacity( atof( argv[7] ) );
}
try
{
rgbwriter->Update();
}
catch ( itk::ExceptionObject & excp )
{
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
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