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/*
* Copyright (C) 1999-2011 Insight Software Consortium
* Copyright (C) 2005-2020 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.
*/
#ifndef otbStreamingLineSegmentDetector_hxx
#define otbStreamingLineSegmentDetector_hxx
#include "otbStreamingLineSegmentDetector.h"
#include "otbVectorDataTransformFilter.h"
#include "itkAffineTransform.h"
namespace otb
{
template <class TInputImage>
PersistentStreamingLineSegmentDetector<TInputImage>::PersistentStreamingLineSegmentDetector()
{
}
template <class TInputImage>
PersistentStreamingLineSegmentDetector<TInputImage>::~PersistentStreamingLineSegmentDetector()
{
}
template <class TInputImage>
void PersistentStreamingLineSegmentDetector<TInputImage>::GenerateInputRequestedRegion()
{
Superclass::GenerateInputRequestedRegion();
if (this->GetInput())
{
InputImagePointerType input = const_cast<InputImageType*>(this->GetInput());
typename InputImageType::RegionType region = this->GetOutput()->GetRequestedRegion();
region.PadByRadius(1);
region.Crop(input->GetLargestPossibleRegion());
input->SetRequestedRegion(region);
}
}
template <class TInputImage>
typename PersistentStreamingLineSegmentDetector<TInputImage>::OutputVectorDataPointerType PersistentStreamingLineSegmentDetector<TInputImage>::ProcessTile()
{
// Apply an ExtractImageFilter to avoid problems with filters asking for the LargestPossibleRegion
typename ExtractImageFilterType::Pointer extract = ExtractImageFilterType::New();
extract->SetInput(this->GetInput());
extract->SetExtractionRegion(this->GetInput()->GetBufferedRegion());
extract->Update();
// WARNING: itk::ExtractImageFilter does not copy the MetadataDictionary
// but LSD filter need the projection ref if available
extract->GetOutput()->SetMetaDataDictionary(this->GetInput()->GetMetaDataDictionary());
typename LSDType::Pointer lsd = LSDType::New();
lsd->SetInput(extract->GetOutput());
lsd->UpdateOutputInformation();
lsd->Update();
// return the LSD VectorData in image physical coordinates
return lsd->GetOutput();
}
} // end namespace otb
#endif
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