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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 "itkConnectedComponentImageFilter.h"
#include "itkRescaleIntensityImageFilter.h"
#include "itkSignedDanielssonDistanceMapImageFilter.h"
int itkSignedDanielssonDistanceMapImageFilterTest2( int argc, char * argv[] )
{
if(argc < 3)
{
std::cerr << "Usage: " << argv[0] << " InputImage OutputImage\n";
return -1;
}
const unsigned int ImageDimension = 2;
typedef unsigned char InputPixelType;
typedef unsigned char OutputPixelType;
typedef itk::Image<InputPixelType, ImageDimension> InputImageType;
typedef itk::Image<OutputPixelType, ImageDimension> OutputImageType;
typedef itk::ImageFileReader<InputImageType> ReaderType;
typedef itk::ImageFileWriter<OutputImageType> WriterType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(argv[1]);
reader->Update();
typedef itk::ConnectedComponentImageFilter<InputImageType,InputImageType> ConnectedType;
ConnectedType::Pointer connectedComponents = ConnectedType::New();
connectedComponents->SetInput( reader->GetOutput() );
typedef itk::SignedDanielssonDistanceMapImageFilter <InputImageType, OutputImageType> FilterType;
FilterType::Pointer filter = FilterType::New();
filter->SetInput( connectedComponents->GetOutput() );
filter->Update();
filter->Print(std::cout);
// Extract the Voronoi map from the distance map filter, rescale it,
// and write it out.
typedef itk::RescaleIntensityImageFilter<InputImageType,OutputImageType> RescaleType;
RescaleType::Pointer rescaler = RescaleType::New();
rescaler->SetInput( filter->GetVoronoiMap() );
rescaler->SetOutputMinimum( 0 );
rescaler->SetOutputMaximum( 255 );
WriterType::Pointer writer = WriterType::New();
writer->SetInput( rescaler->GetOutput() );
writer->SetFileName( argv[2] );
writer->UseCompressionOn();
writer->Update();
return EXIT_SUCCESS;
}
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