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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkLabelMapFilterTest.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 <iostream>
#include "itkLabelMap.h"
#include "itkLabelObject.h"
#include "itkLabelMapFilter.h"
#include "itkImage.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 LabelMapType::LabelObjectVectorType LabelObjectVectorType;
typedef LabelMapType::LabelVectorType LabelVectorType;
typedef LabelMapType::LabelObjectContainerType LabelObjectContainerType;
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( 0 );
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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