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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 "otbImageFileReader.h"
#include "otbPointSetDensityGaussianFunction.h"
#include "itkPointSet.h"
#include "itkVariableLengthVector.h"
#include <iostream>
int otbPointSetDensityGaussianFunctionTest(int itkNotUsed(argc), char* argv[])
{
const char * outfname = argv[1];
const unsigned int Dimension = 2;
typedef float PixelType;
typedef itk::VariableLengthVector<PixelType> RealVectorType;
typedef itk::PointSet<RealVectorType, Dimension> PointSetType;
typedef otb::PointSetDensityGaussianFunction <PointSetType, PixelType> FunctionType;
/**Instantiation of a Smart Pointer*/
PointSetType::Pointer pointSet = PointSetType::New();
FunctionType::Pointer filter = FunctionType::New();
std::ofstream outfile(outfname);
/** Construction of the pointSet */
PointSetType::PointIdentifier count = 0;
PointSetType::PointType pDst, pSrc;
pDst[0] = 12.78;
pDst[1] = 18.76;
pointSet->SetPoint(count++, pDst);
pDst[0] = 15.78;
pDst[1] = 23.76;
pointSet->SetPoint(count++, pDst);
pDst[0] = 9.78;
pDst[1] = 5.76;
pointSet->SetPoint(count++, pDst);
filter->SetPointSet(pointSet);
filter->SetRadius(2);
/**Point we search around*/
pDst[0] = 14.9;
pDst[1] = 24;
outfile << "Density computed for the point : " << pDst << " is " << filter->Evaluate(pDst) << std::endl;
pDst[0] = 9;
pDst[1] = 5;
outfile << "Density computed for the point : " << pDst << " is " << filter->Evaluate(pDst) << std::endl;
outfile.close();
return EXIT_SUCCESS;
}
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