Hi Ivan, Thanks for your reply. Yes, it clarified my query.
Thanks and Regards Chaitanya Jalluri On Mon, Mar 7, 2022 at 6:57 PM Ivan Lucena <[email protected]> wrote: > Interesting question Chaitanya, > > But the answer is probably no. > > The VSI drivers mentioned on that page are supposed to access assets, > buckets and file system on popular cloud services. > > There is no Oracle Cloud Infrastructure (OCI) driver for that purpose, but > you might be able to access spatial data types SDO_GEOMETRY and > SDO_GEORASTER tables/columns on a server running on the cloud, just like if > it were running in any machine. No? > > The GDAL/OGR driver OCI, developed many decades ago, was named OCI in > reference to the Oracle C SDK. It can access "vector" data in SDO_GEOMETRY > type. > > https://gdal.org/drivers/vector/oci.html#vector-oci > > The GDAL georaster driver is a raster driver that supports SDO_GEORASTER > type. > > https://gdal.org/drivers/raster/georaster.html > > Inside the georaster driver code there is a VSI/OCI driver that can read > images in BLOB data type on the database. > > > https://github.com/OSGeo/gdal/blob/master/frmts/georaster/cpl_vsil_ocilob.cpp > > That driver is rarely exposed for the public and there is documentation. > It is used by the georaster driver to read JPEG200 compression. But it can > be used to store Geotiffs or any other raster file format into an BLOB. > > With those GDAL driver and with the data stored in oracle databases, you > can have rendering on the fly in QGIS, ArcMap, etc. > > But if you have other geospatial types inside an oracle schema, like > ST_GEOMETRY, TERRALIB or SDE_GEOMETRY for example, those are not supported > by GDAL. > > Again, if all you want is to access files on OCI storage and rendering on > the fly, that wasn't developed yet. You might find command line tools that > you can pipe the data into GDAL based application, but not rendering on the > fly. I think. > > I hope it helps to clarify, > > Ivan > > ------------------------------ > *From:* gdal-dev <[email protected]> on behalf of > Chaitanya Jalluri <[email protected]> > *Sent:* Monday, March 7, 2022 7:42 AM > *To:* [email protected] <[email protected]> > *Subject:* [gdal-dev] GDAL support on OCI > > Hi, > > Does gdal support the accessing and rendering data on the fly (i.e virtual > file systems ) from the Oracle cloud storage?? I couldn't see any support > of this in the documentation > https://gdal.org/user/virtual_file_systems.html . Can you please help > with it? > > Thanks and regards > Chaitanya Jalluri >
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