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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 "otbSqrtSpectralAngleFunctor.h"
#include "itkUnaryFunctorImageFilter.h"
#include "otbImage.h"
#include "otbVectorImage.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
int otbSqrtSpectralAngleImageFilter(int itkNotUsed(argc), char* argv[])
{
const unsigned int Dimension = 2;
typedef otb::VectorImage<double, Dimension> InputImageType;
typedef otb::Image<double, Dimension> OutputImageType;
typedef otb::ImageFileReader<InputImageType> ReaderType;
typedef otb::ImageFileWriter<OutputImageType> WriterType;
typedef otb::Functor::SqrtSpectralAngleFunctor<InputImageType::PixelType, OutputImageType::PixelType> FunctorType;
typedef itk::UnaryFunctorImageFilter<InputImageType, OutputImageType, FunctorType> SqrtSpectralAngleImageFilterType;
// Instantiating objects
SqrtSpectralAngleImageFilterType::Pointer filter = SqrtSpectralAngleImageFilterType::New();
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
const char* inputFilename = argv[1];
const char* outputFilename = argv[2];
unsigned int blueValue(::atoi(argv[3]));
unsigned int greenValue(::atoi(argv[4]));
unsigned int redValue(::atoi(argv[5]));
unsigned int nirValue(::atoi(argv[6]));
reader->SetFileName(inputFilename);
writer->SetFileName(outputFilename);
InputImageType::PixelType referencePixel;
referencePixel.SetSize(4);
referencePixel[0] = blueValue;
referencePixel[1] = greenValue;
referencePixel[2] = redValue;
referencePixel[3] = nirValue;
filter->GetFunctor().SetReferencePixel(referencePixel);
filter->SetInput(reader->GetOutput());
writer->SetInput(filter->GetOutput());
writer->Update();
return EXIT_SUCCESS;
}
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