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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 "itkBinaryImageToLevelSetImageAdaptor.h"
int itkBinaryImageToShiSparseLevelSetAdaptorTest( int argc, char* argv[] )
{
if( argc < 3 )
{
std::cerr << "Missing Arguments" << std::endl;
return EXIT_FAILURE;
}
const unsigned int Dimension = 2;
typedef unsigned char InputPixelType;
typedef itk::Image< InputPixelType, Dimension > InputImageType;
typedef itk::ImageFileReader< InputImageType > InputReaderType;
InputReaderType::Pointer reader = InputReaderType::New();
reader->SetFileName( argv[1] );
try
{
reader->Update();
}
catch ( itk::ExceptionObject& err )
{
std::cout << err << std::endl;
return EXIT_FAILURE;
}
InputImageType::Pointer input = reader->GetOutput();
std::cout << "Input image read" << std::endl;
typedef itk::ShiSparseLevelSetImage< Dimension > LevelSetType;
typedef itk::BinaryImageToLevelSetImageAdaptor< InputImageType,
LevelSetType > BinaryToSparseAdaptorType;
BinaryToSparseAdaptorType::Pointer adaptor = BinaryToSparseAdaptorType::New();
adaptor->SetInputImage( input );
adaptor->Initialize();
std::cout << "Finished converting to sparse format" << std::endl;
typedef LevelSetType::LayerIdType LayerIdType;
LevelSetType::Pointer sparseLevelSet = adaptor->GetModifiableLevelSet();
typedef itk::Image< char, Dimension > StatusImageType;
StatusImageType::Pointer statusImage = StatusImageType::New();
statusImage->SetRegions( input->GetLargestPossibleRegion() );
statusImage->CopyInformation( input );
statusImage->Allocate();
statusImage->FillBuffer( 0 );
typedef itk::ImageRegionIteratorWithIndex< StatusImageType > StatusIteratorType;
StatusIteratorType sIt( statusImage, statusImage->GetLargestPossibleRegion() );
sIt.GoToBegin();
StatusImageType::IndexType idx;
while( !sIt.IsAtEnd() )
{
idx = sIt.GetIndex();
sIt.Set( sparseLevelSet->Evaluate( idx ) );
++sIt;
}
typedef itk::ImageFileWriter< StatusImageType > StatusWriterType;
StatusWriterType::Pointer writer = StatusWriterType::New();
writer->SetFileName( argv[2] );
writer->SetInput( statusImage );
try
{
writer->Update();
}
catch ( itk::ExceptionObject& err )
{
std::cout << err << std::endl;
return EXIT_FAILURE;
}
for( LayerIdType lyr = sparseLevelSet->MinusOneLayer();
lyr <= sparseLevelSet->PlusOneLayer(); lyr += 2 )
{
LevelSetType::LayerType layer = sparseLevelSet->GetLayer( lyr );
LevelSetType::LayerIterator lIt = layer.begin();
std::cout << "*** " << static_cast< int >( lyr ) << " ***" <<std::endl;
while( lIt != layer.end() )
{
std::cout << lIt->first << ' ' << int(lIt->second) << std::endl;
++lIt;
}
std::cout << std::endl;
}
typedef itk::LabelObject< unsigned long, 2 > LabelObjectType;
typedef LabelObjectType::Pointer LabelObjectPointer;
LabelObjectPointer labelObject = LabelObjectType::New();
LabelObjectPointer labelObjectSrc = sparseLevelSet->GetAsLabelObject<unsigned long>();
labelObject->CopyAllFrom<LabelObjectType>( labelObjectSrc );
labelObject->SetLabel( sparseLevelSet->PlusOneLayer() );
labelObject->Optimize();
std::cout << labelObject->Size() << std::endl;
return EXIT_SUCCESS;
}
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