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/*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt for details.
Some parts of this code are derived from ITK. See ITKCopyright.txt
for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef otbPersistentImageToOGRDataFilter_txx
#define otbPersistentImageToOGRDataFilter_txx
#include "otbPersistentImageToOGRDataFilter.h"
#include "itkTimeProbe.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
itk::TimeProbe chrono;
chrono.Start();
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(<< "write ogr tile took " << chrono.GetTotal() << " sec");
}
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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