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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 <fstream>
#include "itkConnectedThresholdImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkFilterWatcher.h"
int itkConnectedThresholdImageFilterTest(int ac, char* av[] )
{
if(ac < 7)
{
std::cerr << "Usage: " << av[0]
<< " InputImage OutputImage "
<< "seed_x seed_y "
<< "LowerConnectedThreshold UpperConnectedThreshold "
<< "Connectivity[1=Full,0=Face]" << std::endl;
return -1;
}
typedef unsigned char PixelType;
typedef itk::Image<PixelType, 2> myImage;
itk::ImageFileReader<myImage>::Pointer input
= itk::ImageFileReader<myImage>::New();
input->SetFileName(av[1]);
// Create a filter
typedef itk::ConnectedThresholdImageFilter<myImage,myImage> FilterType;
FilterType::Pointer filter = FilterType::New();
FilterWatcher watcher(filter);
filter->SetInput(input->GetOutput());
FilterType::IndexType seed; seed[0] = atoi(av[3]); seed[1] = atoi(av[4]);
filter->AddSeed(seed);
filter->SetLower(atoi(av[5]));
filter->SetUpper(atoi(av[6]));
filter->SetReplaceValue(255);
// Test the use of full (8 connectivity in 2D) on this image.
if (ac > 7)
{
filter->SetConnectivity( atoi(av[7]) ?
FilterType::FullConnectivity : FilterType::FaceConnectivity );
}
try
{
input->Update();
filter->Update();
}
catch (itk::ExceptionObject& e)
{
std::cerr << "Exception detected: " << e.GetDescription();
return -1;
}
// Generate test image
itk::ImageFileWriter<myImage>::Pointer writer;
writer = itk::ImageFileWriter<myImage>::New();
writer->SetInput( filter->GetOutput() );
writer->SetFileName( av[2] );
writer->Update();
return EXIT_SUCCESS;
}
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