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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkHardConnectedComponentImageFilterTest.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 "itkHardConnectedComponentImageFilter.h"
#include "itkImageRegionIterator.h"
#include "itkFilterWatcher.h"
const int HEIGHT = 20;
const int WIDTH = 20;
int itkHardConnectedComponentImageFilterTest(int, char* [] )
{
typedef itk::Image<bool,2> InputImageType;
typedef itk::Image<unsigned short,2> OutputImageType;
typedef InputImageType::IndexType IndexType;
itk::HardConnectedComponentImageFilter<InputImageType, OutputImageType>::Pointer
filter = itk::HardConnectedComponentImageFilter<InputImageType, OutputImageType>::New();
InputImageType::Pointer inputimg = InputImageType::New();
IndexType index;
index.Fill(0);
InputImageType::RegionType region;
itk::Size<2> sz;
sz[0] = WIDTH;
sz[1] = HEIGHT;
region.SetSize(sz);
region.SetIndex(index);
inputimg->SetLargestPossibleRegion( region );
inputimg->SetBufferedRegion( region );
inputimg->SetRequestedRegion( region );
inputimg->Allocate();
int row, col;
IndexType myIndex;
for(row = 0;row<20;row++)
{
for(col = 0;col < 20;col++)
{
myIndex[1] = row;
myIndex[0] = col;
inputimg->SetPixel(myIndex,false);
}
}
for(row = 0;row<15;row++)
{
for(col = 0;col<20;col++)
{
myIndex[1] = row;
myIndex[0] = col;
inputimg->SetPixel(myIndex,true);
}
}
for(row = 0;row<10;row++)
{
for(col = 5;col<15;col++)
{
myIndex[1] = row;
myIndex[0] = col;
inputimg->SetPixel(myIndex,false);
}
}
for(row = 0;row<7;row++)
{
for(col = 7;col<12;col++)
{
myIndex[1] = row;
myIndex[0] = col;
inputimg->SetPixel(myIndex,true);
}
}
//InputImageType::IndexType Seed = {10,2};
FilterWatcher watcher(filter);
filter->SetInput(inputimg);
//filter->SetObjectSeed(Seed);
filter->Update();
typedef itk::ImageRegionIterator<InputImageType> inputIterator;
inputIterator it = inputIterator(inputimg, region);
std::cout << "Input Image" << std::endl;
it.GoToBegin();
for(int i = 0;i < HEIGHT*WIDTH; i++)
{
if((i%WIDTH) == 0)
{
std::cout<<std::endl;
}
std::cout << ( it.Get() ? 1 : 0 );
++it;
}
std::cout<<std::endl;
typedef itk::ImageRegionIterator<OutputImageType> outputIterator;
outputIterator ot = outputIterator(filter->GetOutput(), region);
std::cout << std::endl << "Output Image" << std::endl;
ot.GoToBegin();
for(int i = 0;i < HEIGHT*WIDTH; i++)
{
if((i%WIDTH) == 0)
{
std::cout<<std::endl;
}
std::cout<<ot.Get();
++ot;
}
std::cout<<std::endl;
return EXIT_SUCCESS;
}
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