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/*
* Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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
*
* 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 "itkMacro.h"
#include "otbImage.h"
#include "otbVectorImage.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
#include "otbSpectralAngleDistanceImageFilter.h"
int otbSpectralAngleDistanceImageFilter(int itkNotUsed(argc), char* argv[])
{
const unsigned int Dimension = 2;
typedef double PixelType;
typedef otb::VectorImage<PixelType, Dimension> InputImageType;
typedef otb::Image<PixelType, Dimension> OutputImageType;
typedef otb::ImageFileReader<InputImageType> ReaderType;
typedef otb::ImageFileWriter<OutputImageType> WriterType;
typedef otb::SpectralAngleDistanceImageFilter<InputImageType, OutputImageType> DistanceFilterType;
// Instantiating object
DistanceFilterType::Pointer filter = DistanceFilterType::New();
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
reader->SetFileName(argv[1]);
writer->SetFileName(argv[2]);
InputImageType::PixelType refPixel;
reader->UpdateOutputInformation();
refPixel.SetSize(reader->GetOutput()->GetNumberOfComponentsPerPixel());
for (unsigned int i = 0; i < reader->GetOutput()->GetNumberOfComponentsPerPixel(); ++i)
{
refPixel[i] = atoi(argv[3 + i]);
}
filter->SetInput(reader->GetOutput());
filter->SetReferencePixel(refPixel);
writer->SetInput(filter->GetOutput());
writer->Update();
return EXIT_SUCCESS;
}
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