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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkSimpleFilterWatcher.h"
#include "itkLabelImageToLabelMapFilter.h"
#include "itkLabelMapOverlayImageFilter.h"
int itkLabelMapOverlayImageFilterTest3(int argc, char * argv[])
{
if( argc != 5 )
{
std::cerr << "usage: " << argv[0] << " input input output opacity" << std::endl;
return EXIT_FAILURE;
}
const int Dimension = 2;
typedef itk::Image< unsigned char, Dimension > ImageType;
typedef itk::ImageFileReader< ImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[1] );
typedef itk::LabelImageToLabelMapFilter< ImageType > ConverterType;
ConverterType::Pointer converter = ConverterType::New();
converter->SetInput( reader->GetOutput() );
ReaderType::Pointer reader2 = ReaderType::New();
reader2->SetFileName( argv[2] );
typedef itk::LabelMapOverlayImageFilter< ConverterType::OutputImageType, ImageType > ColorizerType;
ColorizerType::Pointer colorizer = ColorizerType::New();
colorizer->SetInput( converter->GetOutput() );
colorizer->SetFeatureImage( reader2->GetOutput() );
colorizer->SetOpacity( atof(argv[4]) );
// Replace colormap with a custom one
// Just cycle through three colors for this test
ColorizerType::FunctorType functor;
functor.ResetColors();
functor.AddColor(0, 0, 255);
functor.AddColor(0, 255, 0);
functor.AddColor(255, 0, 0);
colorizer->SetFunctor(functor);
itk::SimpleFilterWatcher watcher(colorizer, "filter");
typedef itk::ImageFileWriter< ColorizerType::OutputImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( colorizer->GetOutput() );
writer->SetFileName( argv[3] );
try
{
writer->Update();
}
catch(itk::ExceptionObject & err)
{
std::cerr << "Unexpected exception." << std::endl;
std::cerr << err << std::endl;
}
return 0;
}
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