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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkMorphologicalGradientImageFilterTest.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.
=========================================================================*/
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkMorphologicalGradientImageFilter.h"
#include "itkBinaryBallStructuringElement.h"
#include "itkSimpleFilterWatcher.h"
int itkMorphologicalGradientImageFilterTest(int argc, char * argv[])
{
if( argc < 3 )
{
std::cerr << "Missing Arguments" << std::endl;
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " inputImage outputImage " << std::endl;
return EXIT_FAILURE;
}
const int dim = 2;
typedef unsigned char PType;
typedef itk::Image< PType, dim > IType;
typedef itk::ImageFileReader< IType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(argv[1]);
typedef itk::BinaryBallStructuringElement< PType, dim > StructuringElementType;
StructuringElementType structuringElement;
structuringElement.SetRadius( 2 );
structuringElement.CreateStructuringElement();
typedef itk::MorphologicalGradientImageFilter< IType, IType, StructuringElementType > GradientType;
GradientType::Pointer gradient = GradientType::New();
gradient->SetInput(reader->GetOutput());
gradient->SetKernel( structuringElement );
itk::SimpleFilterWatcher watcher(gradient);
typedef itk::ImageFileWriter< IType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput(gradient->GetOutput());
writer->SetFileName(argv[2]);
try
{
writer->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Exception caught ! " << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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