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/*
* Copyright (C) 2005-2022 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 "otbImage.h"
#include "otbImageFileReader.h"
#include "otbThresholdImageToPointSetFilter.h"
int otbThresholdImageToPointSetTest(int itkNotUsed(argc), char* argv[])
{
const char* inputFilename = argv[1];
const char* outputFilename = argv[2];
typedef unsigned char InputPixelType;
const unsigned int Dimension = 2;
typedef otb::Image<InputPixelType, Dimension> InputImageType;
typedef otb::ImageFileReader<InputImageType> ReaderType;
typedef itk::PointSet<InputPixelType, Dimension> PointSetType;
typedef otb::ThresholdImageToPointSetFilter<InputImageType, PointSetType> FunctionType;
typedef PointSetType::PointType PointType;
typedef FunctionType::InputPixelType InputPixelType;
typedef FunctionType::OutputPointSetType OutputPointSetType;
InputPixelType LowerThreshold((InputPixelType)::atoi(argv[3]));
InputPixelType UpperThreshold((InputPixelType)::atoi(argv[4]));
ReaderType::Pointer reader = ReaderType::New();
FunctionType::Pointer function = FunctionType::New();
reader->SetFileName(inputFilename);
function->SetInput(0, reader->GetOutput());
function->SetLowerThreshold(LowerThreshold);
function->SetUpperThreshold(UpperThreshold);
function->Update();
OutputPointSetType* pointList = function->GetOutput();
std::ofstream file;
file.open(outputFilename);
unsigned long NbPoints = pointList->GetNumberOfPoints();
file << "NbPoints : " << NbPoints << std::endl;
PointType CoordPoint;
// Initialization
CoordPoint.Fill(0);
for (unsigned long i = 0; i < NbPoints; ++i)
{
pointList->GetPoint(i, &CoordPoint);
file << i + 1 << "/" << NbPoints << " : " << CoordPoint[0] << " , " << CoordPoint[1] << std::endl;
}
file.close();
return EXIT_SUCCESS;
}
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