An update on OGC activities in three time horizons: Now, Next and After Next. Finishing with how to keep updated on OGC activities.
Now
Recently approved OGC standards
Implementation of approved standards
Next
Standards Program
Innovation Program
After Next
Tech Forecast
How to keep in touch
14. OGC
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Vector Tiles Pilot Results
Successful TIEs performed between client and server
providers during the pilot:
An abstract test suite was also developed during the pilot.
16. OGC
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Vector Tiles Pilot: WMTS results
No changes necessary to WMTS to support vector tiles;
vector tiles (MVT or JVT) are simply advertised as another
available output format
For tiles not adhering to v2.1 of the MVT specification, it is tricky to
determine whether a given polygon contour is outer or inner; v2.1
includes specific order rules for this)
Issues related to clipping of polygons at tile edges; two
approaches used; add buffer to tile and clip at buffer edge OR clip
at tile edge and mark artificial segments; no mechanism to
negotiate which approach to use and no mechanism in Geo
Vector tiles should have an ‘id’ for features that matches the
feature ID before the vector data was tiled
Tiling schemes should offer additional flexibility such as the ability
to describe tile matrices of different widths at different latitudes
(e.g. CDB grid, GNOSIS grid)
17. OGC
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Vector Tiles Pilot: GeoPackage results
• Extends the Tiles option
• Adds five extensions
– Vector Tiles (base extension) adds two metadata tables
to support vector tiles
– Mapbox Vector Tiles allows MVT tiles (not a standard)
– GeoJSON Vector Tiles allows GeoJSON tiles
– Vector Tiles Attributes allows attributes from vector tiles
to be stored in attributes tables for easier querying,
leveraging the Related Tables Extension
For those of you that are new to OGC, the OGC is a global forum …
We believe in A world in which everyone benefits from the use of geospatial information and supporting technologies.
OGC members developments occur in several programs
5
OGC has more than 10 years providing certification. It also manages and uses an open source testing engine that has been operational since 2007. Up to know there are more than 750 products register in the OGC implementation database in the market. About 1/3 of them have followed the certification procedure and are compliant
Several of the Q4 items will likely not be processed until 2019
For Complex Feature Handling, the approach was to examine real-world future requirements, including:
Querying / filtering features based on properties of related or nested objects or on expressions built from complex predicates;
Querying feature data and returning only parts of features (e.g., selected properties);
Access to and query of solid geometries and other geometries in a 3D CRS;
Use of responses for display in a web browser.
This task worked to show how OGC Web Services and geospatial resources can be integrated into a Machine Learning system. We looked at what actors are involved and the APIs that needed to be developed. OGC WFS and WCS are used to define an Image Repository and Feature Store with interactions with a Knowledge Base that provides access to the Machine Learning system and related models.
Here is a classified image of Paris. The yellow areas are classified as “Park’ according to the land use classifier in the model run.
There are a lot of quality suggestions for future work in this domain. For example, additional study and documentation needs to include: Geospatial Machine Learning systems best practices, Artificial Intelligence for Earth Observation Application Packaging and Workflows best practices, and also Machine Learning for disaster interoperability.
The OGC process at t high level is straight forward – we work with our members, our liaison and partner organizations, and experts form the broader technology community to identify potential technology trends. We then engage in a process to characterize and prioritize these trends with respect to what OGC can do to support more efficient deployment of these trends. Finally we work to identify specific initiatives and priorities to insert activities in our process to support development of standards and best practices / interoperability arrangements and efficiencies to allow trends to be rapidly mobilized as they become market realities.
OGC maintains our Technology Trends and roadmapping on a GitHub site that is publicly accessible. Just visit the URL noted here, or search for “OGC Technology Trends” to access the GitHub repository for our work. Please also offer your recommendations on trends of importance - this process benefits greatly from broad community input.
In addition to roadmapping Smart Cities and Big Data trends the following trends are in the process of being prioritized for assessment and roadmapping, as these represent sever of the “Next” technology trends. .
Traditional & Non-Traditional: OGC is more than just a standards organization. Through its programs OGC connects geospatial professionals, the IT developer community and users and serves as not only a standards development concern, but also:
A social forum and technical process for individuals to organizations to work together fluidly
Align industry on a common approach
Networking, partnerships, and access to industry outside the “turnkey” sales pitch
Market insight, education – the market is moving at a record pace in terms of technology change, and OGC’s programs are adaptive to these changes.
Flexible collaboration with other government agencies around the world
Direct connectivity with the developer community (through partnerships with OSGeo, open access to Domain Working Groups, OGC standards incubator, GitHUB)
Partnerships with over 40 standards and professional organizations to address issues that cross mission boundaries, and to assure that location is consistently handled across the broader IT standards stack
Pool costs and burden, create scales of economy in solving interoperability challenges
help us to answer many questions from around the globe.
Earth globe:
http://pixabay.com/en/earth-blue-planet-globe-planet-11009/