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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 <iostream>
#include "itkLabelMap.h"
#include "itkLabelObject.h"
#include "itkLabelMapFilter.h"
int itkLabelMapFilterTest(int argc, char * argv[])
{
if( argc != 1 )
{
std::cerr << "usage: " << argv[0] << "" << std::endl;
return EXIT_FAILURE;
}
const int dim = 2;
typedef itk::LabelObject< unsigned long, dim > LabelObjectType;
typedef LabelObjectType::IndexType IndexType;
typedef itk::LabelMap< LabelObjectType > LabelMapType;
typedef LabelMapType::RegionType RegionType;
typedef LabelMapType::SizeType SizeType;
typedef itk::Image< unsigned char, dim > ImageType;
typedef itk::LabelMapFilter<LabelMapType, ImageType> LabelMapFilterType;
LabelMapType::Pointer map = LabelMapType::New();
SizeType sizeIn;
sizeIn[0] = 11;
sizeIn[1] = 11;
map->SetRegions( sizeIn );
map->Allocate();
IndexType idxHorizontal;
idxHorizontal[0] = 0;
idxHorizontal[1] = 5;
map->SetLine( idxHorizontal, 11, 1);
IndexType idxVertical;
idxVertical[0] = 5;
for (int ctr=0; ctr<5; ctr++)
{
idxVertical[1] = ctr;
map->SetPixel( idxVertical, 1 );
}
for (int ctr=6; ctr<11; ctr++)
{
idxVertical[1] = ctr;
map->SetPixel( idxVertical, 1 );
}
LabelMapFilterType::Pointer conversion = LabelMapFilterType::New();
conversion->SetInput( map );
conversion->GenerateInputRequestedRegion();
conversion->EnlargeOutputRequestedRegion( ITK_NULLPTR );
conversion->Update();
RegionType region;
RegionType regionIn;
regionIn.SetSize(sizeIn);
region = conversion->GetOutput()->GetRequestedRegion();
itkAssertOrThrowMacro( (regionIn == region), "LabelMapFilter error.");
conversion->Print( std::cout );
return EXIT_SUCCESS;
}
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