Hi Jon, In the longer term, I think that you will have more take-up if this is a joint OGC/ W3C standard.
While you go through this process there is the opportunity for refining the format through practical implementations. Bruce > On 30 Aug 2016, at 19:29, Jon Blower <j.d.blo...@reading.ac.uk> wrote: > > Dear Jachym, > > We define the MIME type as “application/prs.coverage+json”. See [1] for more > information about this and about our concept of “profiles”. > > Currently CovJSON is being discussed in the context of the joint OGC/W3C > “Spatial Data on the Web” working group, although there is no formal > standards process in place at the moment. In the longer term I’d like to make > this a community standard, although I’m not sure whether to do this under > OGC, W3C, OSGeo or something else! I’m not very experienced in such things, > so any suggestions or guidance would be welcome. > > Best wishes, > Jon > > > [1] > https://github.com/covjson/specification/blob/master/spec.md#10-media-type-and-file-extension > > From: Jachym Cepicky <jachym.cepi...@gmail.com> > Date: Tuesday, 30 August 2016 10:15 > To: Jon Blower <sgs02...@reading.ac.uk>, OSGeo Discussions > <discuss@lists.osgeo.org> > Cc: Massimiliano Cannata <massimiliano.cann...@supsi.ch>, Bruce Bannerman > <bruce.bannerman.os...@gmail.com> > Subject: Re: [OSGeo-Discuss] CoverageJSON > > Hi, > > just humble suggestion: you can make this to OSGeo Community standard, like > TMS [1] was at it's time and get more publicity and possible more > collaborators to the project. Promote and colaborate via standards mailing > list [2] > > btw: what is the mimetype, we shall stick to? (OGC WebProcessingService and > others need one single clear mimeType) > > Cheers > > J > > [1] https://wiki.osgeo.org/wiki/Tile_Map_Service_Specification > [2] https://lists.osgeo.org/mailman/listinfo/standards > > út 30. 8. 2016 v 11:09 odesílatel Jon Blower <j.d.blo...@reading.ac.uk> > napsal: > Dear all, > > (Second attempt at sending this, I wasn’t subscribed before!) > > I’m the leader of the project under which CoverageJSON is being developed > [1]. My colleague Maik Riechert is the main developer of this. Thanks very > much to Bruce for advertising to this list! I’ll pick up on a few of the > points in this thread: > > 1. Regarding adoption, it’s early days yet, but I’m aware of a few > applications in development (including our own projects of course, but also > some external folk). We’re building in library support for a few languages > (e.g. Javascript, Python) and some tools (e.g. Leaflet and NASA’s Web World > Wind). > 2. I think CovJSON can work nicely with O&M (the coverage can be the > result of the observation). O&M could provide the “hooks” on which other > metadata (e.g. provenance) could be hung. > 3. Regarding compression: yes, this is going to be important. JSON > gzips very well on the wire, which helps a lot with transfer speed and our > tests indicate that it’s typically not very much worse than a compressed > binary format. We’ve worked successfully with rasters of millions of pixels > in size. > 4. We’d be very happy to help people who want to implement support for > CovJSON in software (e.g. istSOS). Maybe our libraries will be of some use > here. > > Any feedback on the spec or tools (positive or negative) is very welcome and > timely, as we are moving towards a stable 1.0 release. > > Best wishes, > Jon > > [1] http://www.melodiesproject.eu > > -- > Dr Jon Blower, > MELODIES project coordinator, > University of Reading > j.d.blo...@reading.ac.uk > > From: Massimiliano Cannata <massimiliano.cann...@supsi.ch> > Date: Thursday, 18 August 2016 09:47 > To: Bruce Bannerman <bruce.bannerman.os...@gmail.com> > Cc: Jachym Cepicky <jachym.cepi...@gmail.com>, OSGeo Discussions > <discuss@lists.osgeo.org>, Jon Blower <sgs02...@reading.ac.uk> > Subject: Re: [OSGeo-Discuss] CoverageJSON > > Dear All, > the coverage in O&M is addressed also at EU level within the SOS but in XML. > > I may be interested in exploring this format and add this capability to > istSOS in the next future... > > Maxi > > 2016-08-17 22:58 GMT+02:00 Bruce Bannerman <bruce.bannerman.os...@gmail.com>: > Thanks Jachym. > > > I can also see the potential of this format. > > > I like the potential for tying in the Observations and Measurements Observed > Property with associated community agreed definitions to the coverage. This > has been a missing piece of the puzzle for some time. > > > I understand that Jon and his team would welcome collaboration to further > test and develop the format. > > > I expect that Jon will respond when he gets back off his holiday. > > > Bruce > > On 17 Aug 2016, at 19:03, Jachym Cepicky <jachym.cepi...@gmail.com> wrote: > > Hi Bruce and Jon, > > I went through the spec, and I like it in general (not that it would be so > important) > > JSON usage is certainly still growing, so is size of the data. Are you guys > using the CoverageJSON in some application already? I like the metadata > verbosity, and overall readiness for international environment. > > Have you been thinking about data compression too? For raster data, this > could be key issue IMHO. > > good luck > > Jachym > > čt 11. 8. 2016 v 0:47 odesílatel Bruce Bannerman > <bruce.bannerman.os...@gmail.com> napsal: > Hi, > > Are any projects doing any work with the emerging data format, CoverageJSON? > > See: > > - https://covjson.org/ > > - https://github.com/covjson/specification/blob/master/spec.md > > > I understand that this is still a work in progress, but is in a fairly stable > state at the moment. > > If anyone has looked at the format in detail, what are your thoughts on its > viability for: > > - data exchange; and > > - to underpin spatial and image analysis? > > Bruce > _______________________________________________ > Discuss mailing list > Discuss@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/discuss > > _______________________________________________ > Discuss mailing list > Discuss@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/discuss > > > > -- > Massimiliano Cannata > Professore SUPSI in ingegneria Geomatica > Responsabile settore Geomatica > > Istituto scienze della Terra > Dipartimento ambiente costruzione e design > Scuola universitaria professionale della Svizzera italiana > Campus Trevano, CH - 6952 Canobbio > Tel. +41 (0)58 666 62 14 > Fax +41 (0)58 666 62 09 > massimiliano.cann...@supsi.ch > www.supsi.ch/ist
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