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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkDerivativeImageFilterTest.cxx,v $
Language: C++
Date: $Date: 2005-09-12 14:58:33 $
Version: $Revision: 1.11 $
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 "itkImage.h"
#include "itkDerivativeImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkRescaleIntensityImageFilter.h"
#include "itkSimpleFilterWatcher.h"
int itkDerivativeImageFilterTest(int argc, char *argv [] )
{
if( argc < 5 )
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " inputImageFile normalizedOutputImageFile ";
std::cerr << " derivativeOrder direction" << std::endl;
return EXIT_FAILURE;
}
// Test using an unsigned integral pixel type and generate a signed
// integral pixel type
typedef unsigned short InputPixelType;
typedef short OutputPixelType;
const unsigned int Dimension = 2;
typedef itk::Image< InputPixelType, Dimension > InputImageType;
typedef itk::Image< OutputPixelType, Dimension > OutputImageType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[1] );
// Define the filter
typedef itk::DerivativeImageFilter<
InputImageType, OutputImageType > FilterType;
FilterType::Pointer filter = FilterType::New();
// setup the filter
filter->SetOrder( atoi( argv[3] ) );
filter->SetDirection( atoi( argv[4] ) );
itk::SimpleFilterWatcher watcher(filter, "Derivative");
// wire the pipeline
filter->SetInput( reader->GetOutput() );
// Write the output
typedef itk::Image< unsigned char, Dimension > WriteImageType;
typedef itk::RescaleIntensityImageFilter<
OutputImageType,
WriteImageType > NormalizeFilterType;
typedef itk::ImageFileWriter< WriteImageType > NormalizedWriterType;
NormalizeFilterType::Pointer normalizer = NormalizeFilterType::New();
NormalizedWriterType::Pointer normalizedWriter = NormalizedWriterType::New();
normalizer->SetInput( filter->GetOutput() );
normalizedWriter->SetInput( normalizer->GetOutput() );
normalizer->SetOutputMinimum( 0 );
normalizer->SetOutputMaximum( 255 );
normalizedWriter->SetFileName( argv[2] );
normalizedWriter->Update();
return EXIT_SUCCESS;
}
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