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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.
*/
/* Example usage:
./MultivariateAlterationDetector Input/Spot5-Gloucester-before.tif \
Input/Spot5-Gloucester-after.tif \
Output/MADOutput.tif \
Output/mad-input1.png \
Output/mad-input2.png \
Output/mad-output.png
*/
#include "otbVectorImage.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
#include "otbPrintableImageFilter.h"
#include "otbMultivariateAlterationDetectorImageFilter.h"
int main(int argc, char* argv[])
{
if (argc < 6)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " inputImageFile1 inputImageFile2 outIn1Pretty outIn2Pretty outPretty"
<< "outputImageFile" << std::endl;
return -1;
}
// Define the dimension of the images
const unsigned int Dimension = 2;
// We then define the types for the input images and for the
// change image.
using InputPixelType = unsigned short;
using OutputPixelType = float;
using InputImageType = otb::VectorImage<InputPixelType, Dimension>;
using OutputImageType = otb::VectorImage<OutputPixelType, Dimension>;
// We can now declare the types for the reader. Since the images
// can be vey large, we will force the pipeline to use
// streaming. For this purpose, the file writer will be
// streamed. This is achieved by using the
// ImageFileWriter class.
using ReaderType = otb::ImageFileReader<InputImageType>;
using WriterType = otb::ImageFileWriter<OutputImageType>;
// This is for rendering in software guide
using InputPrintFilterType = otb::PrintableImageFilter<InputImageType, InputImageType>;
using OutputPrintFilterType = otb::PrintableImageFilter<OutputImageType, OutputImageType>;
using VisuImageType = InputPrintFilterType::OutputImageType;
using VisuWriterType = otb::ImageFileWriter<VisuImageType>;
// The MultivariateAlterationDetectorImageFilter is templated over
// the type of the input images and the type of the generated change
// image.
using MADFilterType = otb::MultivariateAlterationDetectorImageFilter<InputImageType, OutputImageType>;
// The different elements of the pipeline can now be instantiated.
ReaderType::Pointer reader1 = ReaderType::New();
ReaderType::Pointer reader2 = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
MADFilterType::Pointer madFilter = MADFilterType::New();
const char* inputFilename1 = argv[1];
const char* inputFilename2 = argv[2];
const char* outputFilename = argv[3];
const char* in1pretty = argv[4];
const char* in2pretty = argv[5];
const char* outpretty = argv[6];
// We set the parameters of the different elements of the pipeline.
reader1->SetFileName(inputFilename1);
reader2->SetFileName(inputFilename2);
writer->SetFileName(outputFilename);
// We build the pipeline by plugging all the elements together.
madFilter->SetInput1(reader1->GetOutput());
madFilter->SetInput2(reader2->GetOutput());
writer->SetInput(madFilter->GetOutput());
// And then we can trigger the pipeline update, as usual.
writer->Update();
// Here we generate the figures
InputPrintFilterType::Pointer input1PrintFilter = InputPrintFilterType::New();
InputPrintFilterType::Pointer input2PrintFilter = InputPrintFilterType::New();
OutputPrintFilterType::Pointer outputPrintFilter = OutputPrintFilterType::New();
VisuWriterType::Pointer input1VisuWriter = VisuWriterType::New();
VisuWriterType::Pointer input2VisuWriter = VisuWriterType::New();
VisuWriterType::Pointer outputVisuWriter = VisuWriterType::New();
input1PrintFilter->SetInput(reader1->GetOutput());
input1PrintFilter->SetChannel(3);
input1PrintFilter->SetChannel(2);
input1PrintFilter->SetChannel(1);
input2PrintFilter->SetInput(reader2->GetOutput());
input2PrintFilter->SetChannel(3);
input2PrintFilter->SetChannel(2);
input2PrintFilter->SetChannel(1);
outputPrintFilter->SetInput(madFilter->GetOutput());
outputPrintFilter->SetChannel(3);
outputPrintFilter->SetChannel(2);
outputPrintFilter->SetChannel(1);
input1VisuWriter->SetInput(input1PrintFilter->GetOutput());
input2VisuWriter->SetInput(input2PrintFilter->GetOutput());
outputVisuWriter->SetInput(outputPrintFilter->GetOutput());
input1VisuWriter->SetFileName(in1pretty);
input2VisuWriter->SetFileName(in2pretty);
outputVisuWriter->SetFileName(outpretty);
input1VisuWriter->Update();
input2VisuWriter->Update();
outputVisuWriter->Update();
}
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