Hi Martin, Thanks for the great summary. Very helpful!
Jia On Mon, Feb 27, 2023 at 6:42 AM Martin Desruisseaux < [email protected]> wrote: > Hello all > > Last week, an Open Geospatial Consortium (OGC) meeting was held in > Frascati (Italy) at the European Space Agency (ESA). The attendance was > about 200 peoples physically and 100 peoples virtually. A delegation > from the State Service of Ukraine for Geodesy, Cartography and Cadastre > traveled to this meeting with sponsorship from Natural Resources Canada > and UK Hydrographic Office and Ordnance Survey. Slides summarizing some > discussions are available there: > > https://portal.ogc.org/files/?artifact_id=104117 > (PDF format, 262 slides) > > Below is my personal summary of some meetings I attended to, with a > focus on topics connected to Apache projects I'm aware of. > > > GeoAPI > > GeoAPI provides a set of Java interfaces for using referencing services > (among others) in an implementation-neutral way. Work for GeoAPI 3.1 is > still progressing, with an OGC standard draft now built daily by a CI > system [1]. The main work remaining before GeoAPI 3.1 is ready for > submission is the upgrade of ISO 19111:2007 to ISO 19111:2019. Other > upgrades such as metadata (ISO 19115) and data quality (ISO 19157) are > done. New interfaces compared to GeoAPI 3.0 include features and > filters. This standard draft contains UML diagrams for giving some > overviews of key interfaces. > > The GeoAPI 3.1 standard draft will need evaluation, comments or > criticism by other developers before it can submitted as an OGC > standard. Even if the draft is not completed yet, we will try to > organize biweekly 30 minutes meetings for discussing design decisions. > > > Coverage geometry & functions > > Coverage geometry & functions, standardized by ISO 19123, is similar to > raster data but in a more generic way, without the restriction that > cells are quadrilateral. Raster data can been seen as a special cases of > ISO 19123. This standard will be important to Apache SIS, which does not > implement ISO 19123 yet but has designed its GridCoverage class in > anticipation for that. This standard is under revision by ISO and the > work is close to completion. The new series of ISO standards will be as > below, and also published as OGC standards: > > * ISO 19123-1 — Coverage Fundamentals (equivalent to OGC Abstract Topic > 6) > * ISO 19123-2 — Coverage Implementation Schema (equivalent to OGC CIS > 1.1) > * ISO 19123-3 — Coverage Processing Fundamentals (equivalent to OGC WCPS) > * ISO 19123-4 — Coverage Services > > > WMO information system 2.0 > > The World Meteorological Organization (WMO) was used to exchange data > with specific protocols and formats (e.g. GRIB). WMO is migrating to a > new system based on open standards, pub/sub and Web API. A video giving > more details is at [2]. This year (2023) is the pilot phase, with a > progressive transition to operational mode planed from 2025 to 2030. The > implication for Apache projects is that the use of OGC standards would > help to be ready to consume WMO data in a few years. > > > New working groups: Geo Data Cubes and Analysis-Ready Data > > Two new working groups are created: > > * Geodata cubes are multidimensional data associated with geospatial > information. They can be handled with formats such as netCDF or > HDF5. The new working group will identify API for accessing such > data and their metadata across encodings. > * Analysis-Ready data (ARD) are satellite data organized into a form > that allows immediate analysis with a minimum of user effort. The > current plan is to create ISO standards with one part for Land data, > one part for Ocean data, one part for Atmosphere data, etc. > > > Joint ASF/OSGeo/OGC Code sprint > > OGC, Apache and another open source organization (OSGeo) will hold a > joint code-sprint in April 25-27. Participation is free and open to the > public. In previous years, Apache projects that participated included > SIS, Jena and more. This year, OGC working groups that have already > expressed an interest are MetOcean for the Environmental Data Retrieval > (EDR) API version 1.2. > > > Others > > The following topics got special sessions during the meeting: > > * Climate resilience pilot > * Health summit > * Marine > * Intelligent transportation systems > * Startups and scaleups session > > > [1]https://opengeospatial.github.io/ogcna-auto-review/23-016.html > [2]https://www.youtube.com/watch?v=r6fmKC508BA > [3] > https://www.ogc.org/news/developers-invited-to-the-2023-open-standards-and-open-source-software-code-sprint/ >
