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/*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt 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 "otbLogPolarTransform.h"
#include "otbImage.h"
#include "itkResampleImageFilter.h"
#include "itkPoint.h"
#include "otbMacro.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
int otbLogPolarTransformResample(int itkNotUsed(argc), char* argv[])
{
char * inputFileName = argv[1];
char * outputFileName = argv[2];
const unsigned int Dimension = 2;
typedef double PrecisionType;
typedef double PixelType;
typedef otb::Image<PixelType, Dimension> ImageType;
typedef otb::LogPolarTransform<PrecisionType> LogPolarTransformType;
typedef itk::LinearInterpolateImageFunction<ImageType, PrecisionType> InterpolatorType;
typedef otb::ImageFileReader<ImageType> ReaderType;
typedef otb::ImageFileWriter<ImageType> WriterType;
typedef itk::ResampleImageFilter<ImageType, ImageType, PrecisionType> ResampleFilterType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFileName);
reader->UpdateOutputInformation();
InterpolatorType::Pointer interpolator = InterpolatorType::New();
interpolator->SetInputImage(reader->GetOutput());
std::cout << interpolator << std::endl;
LogPolarTransformType::Pointer transform = LogPolarTransformType::New();
LogPolarTransformType::ParametersType params(4);
// Center the transform
params[0] = 0.5 * static_cast<double>(reader->GetOutput()->GetLargestPossibleRegion().GetSize()[0]);
params[1] = 0.5 * static_cast<double>(reader->GetOutput()->GetLargestPossibleRegion().GetSize()[1]);
params[2] = 360. / 1024;
params[3] =
vcl_log(vcl_sqrt(vcl_pow(static_cast<double>(reader->GetOutput()->GetLargestPossibleRegion().GetSize()[0]), 2)
+ vcl_pow(static_cast<double>(reader->GetOutput()->GetLargestPossibleRegion().GetSize()[
1]), 2)) / 2) / 512;
transform->SetParameters(params);
ImageType::SizeType size;
size[0] = 1024;
size[1] = 512;
ResampleFilterType::Pointer resampler = ResampleFilterType::New();
resampler->SetInput(reader->GetOutput());
resampler->SetTransform(transform);
resampler->SetInterpolator(interpolator);
resampler->SetDefaultPixelValue(0);
resampler->SetSize(size);
ImageType::PointType origin;
origin[0] = 0.5;
origin[1] = 0.5;
resampler->SetOutputOrigin(origin);
ImageType::SpacingType spacing;
spacing[0] = 1.0;
spacing[1] = 1.0;
resampler->SetOutputSpacing(spacing);
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outputFileName);
writer->SetInput(resampler->GetOutput());
writer->Update();
return EXIT_SUCCESS;
}
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