bool CoordinateSystemSerializerV1::store(IlwisObject *obj, const IOOptions &options)
{
if (!VersionedSerializer::store(obj, options))
return false;
CoordinateSystem *csy = static_cast<CoordinateSystem *>(obj);
if ( csy->ilwisType() == itCONVENTIONALCOORDSYSTEM){
VersionedDataStreamFactory *factory = kernel()->factory<VersionedDataStreamFactory>("ilwis::VersionedDataStreamFactory");
if (!factory)
return false;
std::unique_ptr<DataInterface> projstreamer(factory->create(Version::interfaceVersion, itPROJECTION,_stream));
if ( !projstreamer)
return false;
ConventionalCoordinateSystem *ccsy = static_cast<ConventionalCoordinateSystem *>(csy);
storeSystemPath(ccsy->projection()->resource());
projstreamer->store(ccsy->projection().ptr(),options);
std::unique_ptr<DataInterface> ellstreamer(factory->create(Version::interfaceVersion, itELLIPSOID,_stream));
if ( !ellstreamer)
return false;
storeSystemPath(ccsy->ellipsoid()->resource());
ellstreamer->store(ccsy->ellipsoid().ptr(),options);
const std::unique_ptr<GeodeticDatum>& datum = ccsy->datum();
if ( datum){
_stream << itGEODETICDATUM << datum->name() << datum->code() << datum->description() << datum->area() << datum->authority();
for(int i =0; i < 10; ++i)
_stream << datum->parameter((GeodeticDatum::DatumParameters)i);
}else
_stream << itUNKNOWN;
_stream << ccsy->unit();
}
_stream << csy->envelope().min_corner().x << csy->envelope().min_corner().y << csy->envelope().max_corner().x << csy->envelope().max_corner().y;
return true;
}
bool CoordinateSystemSerializerV1::loadMetaData(IlwisObject *obj, const IOOptions &options)
{
if (!VersionedSerializer::loadMetaData(obj, options))
return false;
CoordinateSystem *csy = static_cast<CoordinateSystem *>(obj);
VersionedDataStreamFactory *factory = kernel()->factory<VersionedDataStreamFactory>("ilwis::VersionedDataStreamFactory");
if (!factory)
return false;
if ( csy->ilwisType() == itCONVENTIONALCOORDSYSTEM){
ConventionalCoordinateSystem *convCsy = static_cast<ConventionalCoordinateSystem *>(obj);
quint64 type;
QString version, url;
_stream >> url;
_stream >> type;
if ( type != itUNKNOWN){
_stream >> version;
std::unique_ptr<DataInterface> projstreamer(factory->create(version, type,_stream));
if ( !projstreamer)
return false;
IProjection proj(itPROJECTION);
projstreamer->loadMetaData(proj.ptr(), options );
convCsy->setProjection(proj);
}