First of new OGC APIs and other standards news

November 11th, 2019, Published in Articles: PositionIT

The Open Geospatial Consortium (OGC) has approved the first in its suite of OGC API standards, OGC API – Features – Part 1: Core. The OGC APIs usher in a new age for location information on the web, enabling a much simpler way to share and access location information that is consistent with the architecture of the web. This API, the first of many, specifies the fundamental API building blocks for interacting with geospatial features. The standard is available to download and implement completely free of charge.

OGC API standards define modular API building blocks to spatially enable Web APIs in a consistent way. The OpenAPI specification is used to define the API building blocks. The API family of standards is organised by resource type. The OGC API – Features multi-part standard specifies the fundamental API building blocks for interacting with features – i.e., digital representations of objects of interest in the real world.

The suite is comprised of multiple parts, each of them a separate standard. This initial part, the “Core,” specifies the core capabilities and is restricted to fetching features where geometries are represented in the coordinate reference system WGS 84 with axis order longitude/latitude. Additional capabilities that address more advanced needs will be specified in additional parts. Such capabilities will include support for other coordinate reference systems, creating and modifying features, richer queries, multiple datasets, and collection hierarchies.

A key advantage to the first standard is the direct, fine-grained access to the data at the feature (object) level, providing greater flexibility for linking of resources on the Web. It is consistent with the OGC/W3C Spatial Data on the Web Best Practices.

2D tile matrix set standardised

The OGC has also recently standardised the 2D Tile Matrix Set, which defines the rules and requirements for a two dimensional tile matrix set as a way to index space using a set of regular grids defining a domain (tile matrix) for a limited list of scales in a Coordinate Reference System (CRS), as defined in OGC Abstract Specification Topic 2: Spatial Referencing by Coordinates.

Pilot seeking to mature new data architecture

The Earth Observations Applications Pilot will evaluate the maturity of specifications developed for Earth Observation – from “bringing the data to the user” to “bringing the user to the data”. The OGC is offering funding for interested participants, with applications closing 11 December 2019. The “EO Exploitation Platforms” initiative of the European Space Agency (ESA) aims to move user exploitation to hosted environments with co-located computing and storage). The goal of the pilot is to evaluate the maturity of the Earth Observation Applications-to-the-Data specifications that have been developed over the last two years as part of various OGC Innovation Program initiatives. Participation is open, globally to everyone. However, cost-sharing funds can only be requested by entities from ESA member states, Canada, and Slovenia. More information is available at https://www.opengeospatial.org/projects/initiatives/eoa-pilot

Contact OGC, info@opengeospatial.org

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