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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 <cstdlib>
#include "otbMath.h"
#include "otbOrientationPathFunction.h"
#include "itkPolyLineParametricPath.h"
#include "itkMacro.h"
int otbOrientationPath(int itkNotUsed(argc), char* argv[])
{
double Theta((double)::atof(argv[1]));
const unsigned int Dimension = 2;
typedef itk::PolyLineParametricPath<Dimension> PathType;
typedef otb::OrientationPathFunction<PathType> FunctionType;
typedef FunctionType::RealType RealType;
PathType::ContinuousIndexType cindex;
PathType::Pointer pathElt = PathType::New();
Theta *= otb::CONST_PI / 180.;
pathElt->Initialize();
cindex[0] = 30;
cindex[1] = 30;
pathElt->AddVertex(cindex);
cindex[0] += 100 * std::cos(Theta);
cindex[1] += 100 * std::sin(Theta);
pathElt->AddVertex(cindex);
FunctionType::Pointer function = FunctionType::New();
function->SetInputPath(pathElt);
RealType ResultTheta = function->Evaluate();
std::cout.precision(10);
std::cout << "Orientation found : " << ResultTheta << std::endl;
if (std::abs(static_cast<double>(ResultTheta - Theta)) >= 10e-15)
{
std::cout << "Error in Theta estimation:" << (ResultTheta - Theta) << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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