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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkLabelImageToLabelMapFilterTest.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 "itkLabelImageToLabelMapFilter.h"
#include "itkImage.h"
int itkLabelImageToLabelMapFilterTest(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::LabelImageToLabelMapFilter<ImageType, LabelMapType> LabelImageToLabelMapFilterType;
ImageType::Pointer image = ImageType::New();
SizeType sizeIn;
sizeIn[0] = 11;
sizeIn[1] = 11;
image->SetRegions( sizeIn );
image->Allocate();
image->FillBuffer( 0 );
IndexType idxHorizontal;
idxHorizontal[1] = 5;
IndexType idxVertical;
idxVertical[0] = 5;
for (int ctr=0; ctr<11; ctr++)
{
idxHorizontal[0] = ctr;
idxVertical[1] = ctr;
image->SetPixel( idxHorizontal, 1);
image->SetPixel( idxVertical, 1 );
}
LabelImageToLabelMapFilterType::Pointer conversion = LabelImageToLabelMapFilterType::New();
conversion->SetInput( image );
conversion->Update( );
LabelMapType::Pointer map;
map = conversion->GetOutput();
map->Print(std::cout);
std::cout << "Printing out map." << std::endl;
for (int ctrI=0; ctrI<11; ctrI++)
{
for (int ctrJ=0; ctrJ<11; ctrJ++)
{
IndexType index;
index[0] = ctrI;
index[1] = ctrJ;
unsigned long val;
val = map->GetPixel(index);
std::cout << "Pixel[" << ctrI << "," << ctrJ << "]: " << val << std::endl;
if ( (ctrI == 5) || (ctrJ==5) )
{
itkAssertOrThrowMacro( (val == 1), "Error in Label Image (foreground).");
}
else
{
itkAssertOrThrowMacro( (val == 0), "Error in Label Image (background).");
}
}
}
std::cout << "End - Printing out map." << std::endl << std::endl;
conversion->Print( std::cout );
return EXIT_SUCCESS;
}
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