OGC to form GeoParquet Working Group

[George Percivall <pe...@ieee.org.INVALID>]

FYI - a geo-extension to Apache Parquet

On Wed, Jan 25, 2023, 11:07 AM announce--- via TC-Announce <
tc-announce@lists.ogc.org> wrote:

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> ------------------------------
>
> *OGC to form new GeoParquet Standards Working Group; Public Comment sought
> on Draft Charter*
>
> *GeoParquet adds geospatial types to Apache Parquet to serve as an
> efficient cloud-native vector data format.*
>
> [image: Parquet flooring with overlaid text announcing GeoParquet SWG
> Charter Public Comment period]
> <https://mail.opengeospatial.org/lists/lt.php?tid=fR5TAFFaUgBVBh1VU1xRSFBSAlIZUVVRUxlYUgdVDFIABgcEVFBKUVFUUQcHDVNIXAIDARkEUlZUGQFeVFYVDgFWBABRBFVQVQYDGQUIAlRWUgdSGVUJVgYZDQcHBhUOAQQGGVdRAVADVQEHAABVAA>
>
> Contact: info@ogc.org
>
> 25 January 2023: The Open Geospatial Consortium (OGC) is in the process of
> forming a new GeoParquet Standards Working Group (SWG). Public comment is
> sought on its draft charter. *Comments are due by 15 February, 2023.*
>
> The OGC GeoParquet SWG will work to advance the GeoParquet encoding format
> <https://mail.opengeospatial.org/lists/lt.php?tid=fR5SBQdaBAICBh1RVg4FSFADAQcZUQFRUBlcUwdRDlYGUQMEBlJKUVFUUQcHDVNIXAIDARkEUlZUGQFeVFYVDgFWBABRBFVQVQYDGQUIAlRWUgdSGVUJVgYZDQcHBhUOAQQGGVdRAVADVQEHAABVAA>
> to an OGC Encoding Standard for cloud-native vector data. GeoParquet adds
> geospatial types to Apache Parquet, described by Apache as "an open source,
> column-oriented data file format designed for efficient data storage and
> retrieval. It provides efficient data compression and encoding schemes with
> enhanced performance to handle complex data in bulk." For an introduction
> to the GeoParquet format, see this blog post
> <https://mail.opengeospatial.org/lists/lt.php?tid=fR5UDQRbBVdTVh0AVgxRSFAFAFYZUVQHDRkMVAVUCwUNVVZSVwNKUVFUUQcHDVNIXAIDARkEUlZUGQFeVFYVDgFWBABRBFVQVQYDGQUIAlRWUgdSGVUJVgYZDQcHBhUOAQQGGVdRAVADVQEHAABVAA>
> .
>
> GeoParquet started 3 years ago as a community effort by different Open
> Source Projects and organizations that have committed to its implementation
> and support.
>
> OGC is advancing a number of Standards to enable cloud-native geospatial
> ecosystems
> <https://mail.opengeospatial.org/lists/lt.php?tid=fR4GUARXVQYEUh1QAlwESFAFUVQZUVdRUBkIBFEHWgFRBAFXBwZKUVFUUQcHDVNIXAIDARkEUlZUGQFeVFYVDgFWBABRBFVQVQYDGQUIAlRWUgdSGVUJVgYZDQcHBhUOAQQGGVdRAVADVQEHAABVAA>.
> GeoParquet fits in the group of data encoding Standards that are highly
> performant for large, cloud-based data stores, such as Cloud Optimized
> GeoTIFF
> <https://mail.opengeospatial.org/lists/lt.php?tid=fR5TA1AGVVxeAh0EUQtVSFAFBlYZUVRUVBkOBVpXCgcBB1RRAVtKUVFUUQcHDVNIXAIDARkEUlZUGQFeVFYVDgFWBABRBFVQVQYDGQUIAlRWUgdSGVUJVgYZDQcHBhUOAQQGGVdRAVADVQEHAABVAA>
> for tiled rasters and Zarr
> <https://mail.opengeospatial.org/lists/lt.php?tid=fR4HVVUHAlZSVx1TVABQSFAEUQUZUgUBVBlYBwUHCQ5QUQYGUFFKUVFUUQcHDVNIXAIDARkEUlZUGQFeVFYVDgFWBABRBFVQVQYDGQUIAlRWUgdSGVUJVgYZDQcHBhUOAQQGGVdRAVADVQEHAABVAA>
> for datacubes. GeoParquet will, in time, enable vector datasets to be as
> readily accessible from the cloud as the other formats already well-used in
> the community.
>
> The GeoParquet SWG will take the initial efforts incubated in OGC’s
> GeoParquet GitHub repository
> <https://mail.opengeospatial.org/lists/lt.php?tid=fR5SBwBRBVBTUh0GVw9YSFBWDwQZCQVXBBlfVwJQWlJRWwkFAANKUVFUUQcHDVNIXAIDARkEUlZUGQFeVFYVDgFWBABRBFVQVQYDGQUIAlRWUgdSGVUJVgYZDQcHBhUOAQQGGVdRAVADVQEHAABVAA>
> as a draft specification from which a candidate Standard will be developed.
> As with many other recent OGC Standards, the repository will remain open to
> contributions from outside OGC and documentation will evolve in concert
> with prototype implementations.
>
> GeoParquet will be another encoding of the OGC Simple Features Standard,
> and as such will handle all Simple Feature geometries. While other OGC
> Standards also encode Simple Features, GeoParquet is intended to be
> optimized for native use in cloud environments. It is expected that
> GeoParquet will be tested as an encoding to be accessed by the OGC APIs
> <https://mail.opengeospatial.org/lists/lt.php?tid=fR4BVlBRAFZQAh1XUAwHSFADBw4ZCQJRABkOVgBXXg8EAwZWBwBKUVFUUQcHDVNIXAIDARkEUlZUGQFeVFYVDgFWBABRBFVQVQYDGQUIAlRWUgdSGVUJVgYZDQcHBhUOAQQGGVdRAVADVQEHAABVAA>.
> The proposed SWG expects to have a candidate Standard ready for review and
> approval within one year of creation of the SWG.
>
> *The draft charter for the GeoParquet Standards Working Group is available
> for review and comment on the OGC Portal
> <https://mail.opengeospatial.org/lists/lt.php?tid=fR4FAgdaDgZXUB0BUQ5QSFBVAlMZCFVSBxldAgcGDlUHUQIBXVpKUVFUUQcHDVNIXAIDARkEUlZUGQFeVFYVDgFWBABRBFVQVQYDGQUIAlRWUgdSGVUJVgYZDQcHBhUOAQQGGVdRAVADVQEHAABVAA>.
> Comments are due by 15 February, 2023, and should be submitted via the
> method outlined on the GeoParquet SWG draft charter public comment request
> page
> <https://mail.opengeospatial.org/lists/lt.php?tid=fR5SBgFTB1BeWx1TVw1RSFBVVA8ZUgZXURlaUwZSXgYNAAAEVFVKUVFUUQcHDVNIXAIDARkEUlZUGQFeVFYVDgFWBABRBFVQVQYDGQUIAlRWUgdSGVUJVgYZDQcHBhUOAQQGGVdRAVADVQEHAABVAA>.*
>
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