Thanks a lot for this update on the Temporal DWG, Chris. I wonder whether you plan to coordinate work with the joint W3C/OGC Spatial Data on the Web WG. Clearly, the two WGs have a different scope, but it would be desirable to have interoperable, or at least not incompatible, specifications.
Cheers, Andrea On Thu, Jul 24, 2014 at 4:36 PM, Little, Chris <chris.lit...@metoffice.gov.uk> wrote: > Dear Colleagues, > > OGC started a Temporal Domain Working Group last year to address a number of > problems in the geospatial domain. In particular, that time is usually just > viewed as Yet Another Attribute of Features, rather than a first class > coordinate. > > We agreed earlier this year, in Geneva, that the OGC Naming Authority would > have a branch to register Temporal, and index based, Coordinate Reference > Systems, and we agreed on the fundamental attributes that a CRS should have > to be registered. > > We hope to produce a Best Practice document this year to help clarify many > confusions between CRSs, notations, calendars, operations and calculations. > I think that now we have a good enough understanding of the underlying > conceptual issues and current geospatial standards. > > We have been accumulating info on an open wiki > http://external.opengeospatial.org/twiki_public/TemporalDWG/WebHome and > discussing via our mailing list, though we are not very disciplined about > it. > > One concern that I have is that we do not re-invent the wheel, and do > nugatory work, hence this email. I do not envisage that we will need to do > much with Calendars, which have been covered so well by Dershowitz and > Reingold. > > Best wishes, Chris > > > Chris Little > Co-Chair, OGC Meteorology & Oceanography Domain Working Group > Co-Chair, OGC Temporal Domain Working Group > > IT Fellow - Operational Infrastructures > Met Office FitzRoy Road Exeter Devon EX1 3PB United Kingdom > Tel: +44(0)1392 886278 Fax: +44(0)1392 885681 Mobile: +44(0)7753 880514 > E-mail: chris.lit...@metoffice.gov.uk http://www.metoffice.gov.uk > > I am normally at work Tuesday, Wednesday and Thursday each week > > > > > > > > -- Andrea Perego, Ph.D. European Commission DG JRC Institute for Environment & Sustainability Unit H06 - Digital Earth & Reference Data Via E. Fermi, 2749 - TP 262 21027 Ispra VA, Italy https://ec.europa.eu/jrc/ ---- The views expressed are purely those of the writer and may not in any circumstances be regarded as stating an official position of the European Commission.
