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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 "otbMetaImageFunction.h"
#include "otbImage.h"
#include "otbImageFileReader.h"
#include "otbFlusserMomentsImageFunction.h"
#include "otbImageFunctionAdaptor.h"
typedef unsigned short InputPixelType;
typedef double PrecisionType;
const unsigned int Dimension = 2;
typedef otb::Image<InputPixelType, Dimension> InputImageType;
typedef otb::ImageFileReader<InputImageType> ReaderType;
typedef otb::FlusserMomentsImageFunction<InputImageType> FlusserFunctionType;
typedef otb::ImageFunctionAdaptor<FlusserFunctionType, PrecisionType> FunctionType;
typedef otb::MetaImageFunction<PrecisionType, double> MetaImageFunctionType;
typedef MetaImageFunctionType::PointType PointType;
typedef MetaImageFunctionType::OutputType OutputType;
int otbMetaImageFunctionNew(int itkNotUsed(argc), char * itkNotUsed(argv) [])
{
MetaImageFunctionType::Pointer function = MetaImageFunctionType::New();
return EXIT_SUCCESS;
}
int otbMetaImageFunction(int itkNotUsed(argc), char * argv[])
{
// Read the input image
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(argv[1]);
reader->Update();
// Build flusser functions with different radius
FunctionType::Pointer function1 = FunctionType::New();
FunctionType::Pointer function2 = FunctionType::New();
FunctionType::Pointer function3 = FunctionType::New();
function1->SetInputImage(reader->GetOutput());
function2->SetInputImage(reader->GetOutput());
function3->SetInputImage(reader->GetOutput());
function1->GetInternalImageFunction()->SetNeighborhoodRadius(3);
function2->GetInternalImageFunction()->SetNeighborhoodRadius(5);
function3->GetInternalImageFunction()->SetNeighborhoodRadius(7);
std::ofstream outputStream(argv[2]);
MetaImageFunctionType::Pointer metaFunction = MetaImageFunctionType::New();
metaFunction->AddFunction(function1);
metaFunction->AddFunction(function2);
metaFunction->AddFunction(function3);
outputStream<<"Initial number of functions: "<<metaFunction->GetNumberOfFunctions()<<std::endl;
metaFunction->RemoveNthFunction(2);
outputStream<<"Number of functions after removing the 2nd: "<<metaFunction->GetNumberOfFunctions()<<std::endl;
metaFunction->ClearFunctions();
outputStream<<"Number of functions after clear: "<<metaFunction->GetNumberOfFunctions()<<std::endl;
metaFunction->AddFunction(function1);
metaFunction->AddFunction(function2);
metaFunction->AddFunction(function3);
outputStream<<"Adding functions again: "<<metaFunction->GetNumberOfFunctions()<<std::endl;
// For coverage
metaFunction->GetNthFunction(0);
PointType p;
p[0] = atof(argv[3]);
p[1] = atof(argv[4]);
OutputType output = metaFunction->Evaluate(p);
outputStream<<"Evaluate("<<p<<") = "<<output<<std::endl;
outputStream.close();
return EXIT_SUCCESS;
}
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