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/*
* Copyright (C) 1999-2011 Insight Software Consortium
* 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.
*/
#ifndef otbPersistentImageToOGRDataFilter_txx
#define otbPersistentImageToOGRDataFilter_txx
#include "otbPersistentImageToOGRDataFilter.h"
#include "otbStopwatch.h"
#include <boost/foreach.hpp>
#include <stdio.h>
#include "otbMacro.h"
#include "otbOGRHelpers.h"
namespace otb
{
template<class TImage>
PersistentImageToOGRDataFilter<TImage>
::PersistentImageToOGRDataFilter()
: m_FieldName("DN")
, m_LayerName("Layer")
, m_GeometryType(wkbMultiPolygon)
, m_FieldType(OFTInteger)
{
this->SetNumberOfRequiredInputs(2);
this->SetNumberOfRequiredInputs(2);
m_StreamSize.Fill(0);
}
template<class TImage>
PersistentImageToOGRDataFilter<TImage>
::~PersistentImageToOGRDataFilter()
{
}
template<class TImage>
void
PersistentImageToOGRDataFilter<TImage>
::SetOGRDataSource( OGRDataSourcePointerType ogrDS )
{
this->itk::ProcessObject::SetNthInput(1, ogrDS);
}
template<class TImage>
typename PersistentImageToOGRDataFilter<TImage>::OGRDataSourceType *
PersistentImageToOGRDataFilter<TImage>
::GetOGRDataSource( void )
{
return static_cast<OGRDataSourceType *> (this->itk::ProcessObject::GetInput(1));
}
template<class TImage>
void
PersistentImageToOGRDataFilter<TImage>
::AddOGRLayerCreationOption(const std::string& option)
{
m_OGRLayerCreationOptions.push_back(option);
this->Modified();
}
template<class TImage>
void
PersistentImageToOGRDataFilter<TImage>
::ClearOGRLayerCreationOptions()
{
m_OGRLayerCreationOptions.clear();
this->Modified();
}
template<class TImage>
void
PersistentImageToOGRDataFilter<TImage>
::SetOGRLayerCreationOptions(const std::vector<std::string>& options)
{
m_OGRLayerCreationOptions = options;
this->Modified();
}
template<class TImage>
const std::vector<std::string>&
PersistentImageToOGRDataFilter<TImage>
::GetOGRLayerCreationOptions(void)
{
return m_OGRLayerCreationOptions;
}
template<class TImage>
void
PersistentImageToOGRDataFilter<TImage>
::AllocateOutputs()
{
// Nothing that needs to be allocated for the outputs : the output is not meant to be used
}
template<class TImage>
void
PersistentImageToOGRDataFilter<TImage>
::Reset()
{
}
template<class TImage>
void
PersistentImageToOGRDataFilter<TImage>
::Synthetize()
{
}
template<class TImage>
void
PersistentImageToOGRDataFilter<TImage>
::Initialize()
{
std::string projectionRefWkt = this->GetInput()->GetProjectionRef();
bool projectionInformationAvailable = !projectionRefWkt.empty();
OGRSpatialReference * oSRS = NULL;
if(projectionInformationAvailable)
{
oSRS = static_cast<OGRSpatialReference *>(OSRNewSpatialReference(projectionRefWkt.c_str()));
}
OGRDataSourcePointerType ogrDS = this->GetOGRDataSource();
OGRLayerType outLayer = ogrDS->CreateLayer(m_LayerName, oSRS ,m_GeometryType, m_OGRLayerCreationOptions);
OGRFieldDefn field(m_FieldName.c_str(),m_FieldType);
outLayer.CreateField(field, true);
}
template<class TImage>
void
PersistentImageToOGRDataFilter<TImage>
::GenerateData()
{
if (this->GetStreamSize()[0]==0 && this->GetStreamSize()[1]==0)
{
this->m_StreamSize = this->GetInput()->GetRequestedRegion().GetSize();
}
// call the processing function for this tile
OGRDataSourcePointerType currentTileVD = this->ProcessTile();
OGRLayerType srcLayer = currentTileVD->GetLayerChecked(0);
OGRDataSourcePointerType ogrDS = this->GetOGRDataSource();
OGRLayerType dstLayer = ogrDS->GetLayersCount() == 1
? ogrDS->GetLayer(0)
: ogrDS->GetLayer(m_LayerName);
//Copy features contained in the memory layer (srcLayer) in the output layer
otb::Stopwatch chrono = otb::Stopwatch::StartNew();
OGRErr err = dstLayer.ogr().StartTransaction();
if (err != OGRERR_NONE)
{
itkExceptionMacro(<< "Unable to start transaction for OGR layer " << dstLayer.ogr().GetName() << ".");
}
OGRLayerType::const_iterator featIt = srcLayer.begin();
for(; featIt!=srcLayer.end(); ++featIt)
{
OGRFeatureType dstFeature(dstLayer.GetLayerDefn());
dstFeature.SetFrom( *featIt, TRUE );
dstLayer.CreateFeature( dstFeature );
}
err = dstLayer.ogr().CommitTransaction();
if (err != OGRERR_NONE)
{
itkExceptionMacro(<< "Unable to commit transaction for OGR layer " << dstLayer.ogr().GetName() << ".");
}
chrono.Stop();
otbMsgDebugMacro(<< "Writing OGR tile took " << chrono.GetElapsedMilliseconds() << " ms");
}
template<class TImage>
void
PersistentImageToOGRDataFilter<TImage>
::PrintSelf(std::ostream& os, itk::Indent indent) const
{
Superclass::PrintSelf(os, indent);
}
} // end namespace otb
#endif
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