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/*
* Copyright (C) 2005-2017 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 <iomanip>
#include <iostream>
#include "otbVectorImage.h"
#include "otbImageFileReader.h"
#include "otbForwardSensorModel.h"
#include "otbInverseSensorModel.h"
// Exercise the Spot5 sensor model on the image border
int main(int argc, char* argv[])
{
if (argc != 3)
{
std::cout << argv[0] << " <input filename> <output filename>" << std::endl;
return EXIT_FAILURE;
}
char * filename = argv[1];
char* outFilename = argv[2];
typedef otb::VectorImage<double, 2> ImageType;
typedef otb::ImageFileReader<ImageType> ReaderType;
otb::DEMHandler::Instance()->SetDefaultHeightAboveEllipsoid(16.19688987731934);
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(filename);
reader->UpdateOutputInformation();
ImageType::Pointer image = reader->GetOutput();
ImageType::RegionType region = image->GetLargestPossibleRegion();
typedef otb::ForwardSensorModel<double> ForwardSensorModelType;
ForwardSensorModelType::Pointer forwardSensorModel = ForwardSensorModelType::New();
forwardSensorModel->SetImageGeometry(reader->GetOutput()->GetImageKeywordlist());
if (forwardSensorModel->IsValidSensorModel() == false)
{
std::cout << "Invalid Model pointer m_Model == NULL!\n The ossim keywordlist is invalid!" << std::endl;
return EXIT_FAILURE;
}
typedef otb::InverseSensorModel<double> InverseSensorModelType;
InverseSensorModelType::Pointer inverseSensorModel = InverseSensorModelType::New();
inverseSensorModel->SetImageGeometry(reader->GetOutput()->GetImageKeywordlist());
if (inverseSensorModel->IsValidSensorModel() == false)
{
std::cout << "Invalid Model pointer m_Model == NULL!\n The ossim keywordlist is invalid!" << std::endl;
return EXIT_FAILURE;
}
const int radius = 10;
const double gridstep = 0.1;
itk::Point<double, 2> imagePoint;
// Test upper left corner
std::cout << " --- upper left corner ---" << std::endl;
for (imagePoint[0] = region.GetIndex(0) - radius; imagePoint[0] < region.GetIndex(0) + radius; imagePoint[0] += gridstep)
{
for (imagePoint[1] = region.GetIndex(1) - radius; imagePoint[1] < region.GetIndex(1) + radius; imagePoint[1] += gridstep)
{
itk::Point<double, 2> geoPoint;
geoPoint = forwardSensorModel->TransformPoint(imagePoint);
std::cout << "Image to geo: " << imagePoint << " -> " << geoPoint << "\n";
if (vnl_math_isnan(geoPoint[0]) || vnl_math_isnan(geoPoint[1]))
{
return EXIT_FAILURE;
}
itk::Point<double, 2> reversedImagePoint;
reversedImagePoint = inverseSensorModel->TransformPoint(geoPoint);
std::cout << "Geo to image: " << geoPoint << " -> " << reversedImagePoint << "\n";
if (vnl_math_isnan(reversedImagePoint[0]) || vnl_math_isnan(reversedImagePoint[1]))
{
return EXIT_FAILURE;
}
}
}
// Test lower left corner
std::cout << " --- lower left corner ---" << std::endl;
for (imagePoint[0] = region.GetIndex(0) - radius; imagePoint[0] < region.GetIndex(0) + radius; imagePoint[0] += gridstep)
{
for (imagePoint[1] = region.GetIndex(1) + region.GetSize(1) - radius; imagePoint[1] < region.GetIndex(1) + region.GetSize(1) + radius; imagePoint[1] += gridstep)
{
itk::Point<double, 2> geoPoint;
geoPoint = forwardSensorModel->TransformPoint(imagePoint);
std::cout << "Image to geo: " << imagePoint << " -> " << geoPoint << "\n";
if (vnl_math_isnan(geoPoint[0]) || vnl_math_isnan(geoPoint[1]))
{
return EXIT_FAILURE;
}
itk::Point<double, 2> reversedImagePoint;
reversedImagePoint = inverseSensorModel->TransformPoint(geoPoint);
std::cout << "Geo to image: " << geoPoint << " -> " << reversedImagePoint << "\n";
if (vnl_math_isnan(reversedImagePoint[0]) || vnl_math_isnan(reversedImagePoint[1]))
{
return EXIT_FAILURE;
}
}
}
// Test lower right corner
std::cout << " --- lower right corner ---" << std::endl;
for (imagePoint[0] = region.GetIndex(0) + region.GetSize(0) - radius; imagePoint[0] < region.GetIndex(0) + region.GetSize(0) + radius; imagePoint[0] += gridstep)
{
for (imagePoint[1] = region.GetIndex(1) + region.GetSize(1) - radius; imagePoint[1] < region.GetIndex(1) + region.GetSize(1) + radius; imagePoint[1] += gridstep)
{
itk::Point<double, 2> geoPoint;
geoPoint = forwardSensorModel->TransformPoint(imagePoint);
std::cout << "Image to geo: " << imagePoint << " -> " << geoPoint << "\n";
if (vnl_math_isnan(geoPoint[0]) || vnl_math_isnan(geoPoint[1]))
{
return EXIT_FAILURE;
}
itk::Point<double, 2> reversedImagePoint;
reversedImagePoint = inverseSensorModel->TransformPoint(geoPoint);
std::cout << "Geo to image: " << geoPoint << " -> " << reversedImagePoint << "\n";
if (vnl_math_isnan(reversedImagePoint[0]) || vnl_math_isnan(reversedImagePoint[1]))
{
return EXIT_FAILURE;
}
}
}
// Test upper right corner
std::cout << " --- upper right corner ---" << std::endl;
for (imagePoint[0] = region.GetIndex(0) + region.GetSize(0) - radius; imagePoint[0] < region.GetIndex(0) + region.GetSize(0) + radius; imagePoint[0] += gridstep)
{
for (imagePoint[1] = region.GetIndex(1) - radius; imagePoint[1] < region.GetIndex(1) + radius; imagePoint[1] += gridstep)
{
itk::Point<double, 2> geoPoint;
geoPoint = forwardSensorModel->TransformPoint(imagePoint);
std::cout << "Image to geo: " << imagePoint << " -> " << geoPoint << "\n";
if (vnl_math_isnan(geoPoint[0]) || vnl_math_isnan(geoPoint[1]))
{
return EXIT_FAILURE;
}
itk::Point<double, 2> reversedImagePoint;
reversedImagePoint = inverseSensorModel->TransformPoint(geoPoint);
std::cout << "Geo to image: " << geoPoint << " -> " << reversedImagePoint << "\n";
if (vnl_math_isnan(reversedImagePoint[0]) || vnl_math_isnan(reversedImagePoint[1]))
{
return EXIT_FAILURE;
}
}
}
// generat the output value along a segment crossing the lower image border
// at the center position
itk::Point<double, 2> imagePoint1;
imagePoint1[0] = region.GetIndex(0) + region.GetSize(0)/2;
imagePoint1[1] = region.GetIndex(1) + region.GetSize(1) - radius;
itk::Point<double, 2> imagePoint2;
imagePoint2[0] = region.GetIndex(0) + region.GetSize(0)/2;
imagePoint2[1] = region.GetIndex(1) + region.GetSize(1) + radius;
itk::Point<double, 2> geoPoint1, geoPoint2;
geoPoint1 = forwardSensorModel->TransformPoint(imagePoint1);
geoPoint2 = forwardSensorModel->TransformPoint(imagePoint2);
itk::Vector<double, 2> geoDir;
geoDir[0] = geoPoint2[0] - geoPoint1[0];
geoDir[1] = geoPoint2[1] - geoPoint1[1];
const int nbStep = 50;
itk::Vector<double, 2> geoStep = geoDir / nbStep;
std::ofstream file;
file.open(outFilename);
file << "# image_x image_y geo_x geo_y reversed_image_x reversed_image_y" << std::endl;
file << std::setprecision(15);
for (int i = 0; i < nbStep; ++i)
{
itk::Point<double, 2> geoPoint;
geoPoint[0] = geoPoint1[0] + geoStep[0] * i;
geoPoint[1] = geoPoint1[1] + geoStep[1] * i;
itk::Point<double, 2> reversedImagePoint;
reversedImagePoint = inverseSensorModel->TransformPoint(geoPoint);
file << geoPoint[0] << "\t" << geoPoint[1] << "\t"
<< reversedImagePoint[0] << "\t" << reversedImagePoint[1] << std::endl;
if (vnl_math_isnan(geoPoint[0]) || vnl_math_isnan(geoPoint[1]))
{
return EXIT_FAILURE;
}
}
file.close();
return EXIT_SUCCESS;
}
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