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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 "otbImage.h"
#include "otbImageFileReader.h"
#include "otbLocalHistogramImageFunction.h"
int otbLocalHistogramImageFunctionTest(int itkNotUsed(argc), char * argv[])
{
const char * inputFilename = argv[1];
const char * outputFilename = argv[2];
typedef float InputPixelType;
const unsigned int Dimension = 2;
typedef otb::Image<InputPixelType, Dimension> InputImageType;
typedef otb::ImageFileReader<InputImageType> ReaderType;
typedef otb::LocalHistogramImageFunction<InputImageType> FunctionType;
ReaderType::Pointer reader = ReaderType::New();
FunctionType::Pointer function = FunctionType::New();
reader->SetFileName(inputFilename);
reader->Update();
function->SetInputImage(reader->GetOutput());
InputImageType::IndexType index;
index[0] = atoi(argv[3]);
index[1] = atoi(argv[4]);
function->SetNeighborhoodRadius(atoi(argv[5]));
function->SetHistogramMin(atoi(argv[6]));
function->SetHistogramMax(atoi(argv[7]));
function->GaussianSmoothingOff();
FunctionType::OutputType Result;
Result = function->EvaluateAtIndex(index);
std::ofstream outputStream(outputFilename);
outputStream << std::setprecision(10) << std::endl;
outputStream << "Index: " << index << std::endl;
for (unsigned int i = 0; i < function->GetNumberOfHistogramBins(); ++i)
{
outputStream << "Bin[" << i << "] = " << "[" << Result->GetBinMin(0, i) << ", " << Result->GetBinMax(0, i)
<< "[ -> " << Result->GetFrequency(i, 0) << std::endl;
}
outputStream.close();
return EXIT_SUCCESS;
}
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