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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 "itkListSample.h"
#include "otbMath.h"
#include "otbImage.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
#include "otbCommandLineArgumentParser.h"
#include "otbAngularProjectionSetImageFilter.h"
int otbAngularProjectionSetImageFilterTest ( int argc, char * argv[] )
{
const unsigned int Dimension = 2;
const unsigned int SpaceDimension = 3;
const unsigned int nbInputImages = SpaceDimension+1;
typedef otb::CommandLineArgumentParser ParserType;
ParserType::Pointer parser = ParserType::New();
parser->AddOption( "--InputImages", "Input Images", "-in", nbInputImages, true );
parser->AddOption( "--OutputImages", "Generic name for output Images (_#.hdr will be added)", "-out", 1, true );
typedef otb::CommandLineArgumentParseResult ParserResultType;
ParserResultType::Pointer parseResult = ParserResultType::New();
try
{
parser->ParseCommandLine( argc, argv, parseResult );
}
catch( itk::ExceptionObject & err )
{
std::cerr << argv[0] << " performs otbAngularProjectionSetImageFilterTest with " << nbInputImages << " images\n";
std::string descriptionException = err.GetDescription();
if ( descriptionException.find("ParseCommandLine(): Help Parser")
!= std::string::npos )
return EXIT_SUCCESS;
if(descriptionException.find("ParseCommandLine(): Version Parser")
!= std::string::npos )
return EXIT_SUCCESS;
return EXIT_FAILURE;
}
std::string inputImageName [ nbInputImages ];
for ( unsigned int i = 0; i < nbInputImages; i++ )
inputImageName[i] = parseResult->GetParameterString("--InputImages", i);
std::string outputImageName = parseResult->GetParameterString("--OutputImages");
// Main type definition
typedef float PixelType;
typedef double PrecisionType;
typedef itk::FixedArray< PrecisionType, SpaceDimension > AngleType;
typedef itk::Statistics::ListSample< AngleType > AngleListType;
typedef otb::Image< PixelType, Dimension > ImageType;
// Reading input images
typedef otb::ImageFileReader<ImageType> ReaderType;
typedef otb::ObjectList< ReaderType > ReaderListType;
ReaderListType::Pointer reader = ReaderListType::New();
reader->Resize( nbInputImages );
for ( unsigned int i = 0; i < nbInputImages; i++ )
{
reader->SetNthElement(i, ReaderType::New());
reader->GetNthElement(i)->SetFileName( inputImageName[i].c_str() );
reader->GetNthElement(i)->Update();
}
// Parameter (to be changed if necessary)
// Here, we will have one output only
AngleListType::Pointer angleList = AngleListType::New();
AngleType angle;
for ( unsigned int i = 0; i < SpaceDimension; i++ )
{
angle[i] = otb::CONST_PI / static_cast<double>( SpaceDimension );
}
angleList->PushBack( angle );
// Filter
typedef otb::AngularProjectionSetImageFilter<
ImageType, ImageType, AngleListType, PrecisionType > FilterType;
FilterType::Pointer filter = FilterType::New();
for ( unsigned int i = 0; i < nbInputImages; i++ )
{
filter->SetInput( i, reader->GetNthElement(i)->GetOutput() );
}
filter->SetAngleList( angleList );
// Saving
typedef otb::ImageFileWriter< ImageType > WriterType;
typedef otb::ObjectList< WriterType > WriterListType;
WriterListType::Pointer writers = WriterListType::New();
writers->Resize( filter->GetOutput()->Size() );
for ( unsigned int i = 0; i < writers->Size(); i++ )
{
std::ostringstream title;
title << outputImageName << "_" << i << ".hdr";
writers->SetNthElement(i, WriterType::New());
WriterType::Pointer writer = writers->GetNthElement(i);
writer->SetFileName( title.str().c_str() );
writer->SetInput( filter->GetOutput()->GetNthElement(i) );
writer->Update();
}
return EXIT_SUCCESS;
}
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