- From: Peter Baumann <p.baumann@jacobs-university.de>
- Date: Tue, 19 May 2015 14:00:03 +0200
- To: "Svensson, Lars" <L.Svensson@dnb.de>, Raphaël Troncy <raphael.troncy@eurecom.fr>, "Simon.Cox@csiro.au" <Simon.Cox@csiro.au>, "Kerry.Taylor@csiro.au" <Kerry.Taylor@csiro.au>, "eparsons@google.com" <eparsons@google.com>, "janowicz@ucsb.edu" <janowicz@ucsb.edu>
- CC: "public-sdw-wg@w3.org" <public-sdw-wg@w3.org>
On 05/19/15 13:50, Svensson, Lars wrote:
> On Tuesday, May 19, 2015 10:09 AM Raphaël Troncy wrote:
>
>>> Thanks Kerry - that's essentially the way I see it, if by "linked
>>> data representation" you are implying RDF. I would like to ask those
>>> people advocating a new CRS encoding in RDF, what this would be
>>> useful for?
>> Well of course, this is a very "niche" usage, but typical use cases are
>> for getting an explicit semantic description of how a CRS has been built
>> so that you can, for example, query for all CRSs that use a specific
>> Datum, or, more simply, ask for the EPSG identifier corresponding to the
>> URI of a CRS, etc.
> Another case would be to get information about lat/long vs. long/lat.
not entirely related to the current discussion, but relevant for coverages: as
per OGC 09-146r2 a coverage identifies axis sequence unambiguously in the
axisLabels attribute (BTW, also UoMs are provided):
<gmlcov:RectifiedGridCoverage ...>
<gml:boundedBy>
<gml:Envelope srsName="http://www.opengis.net/def/crs/EPSG/0/4326"
axisLabels="Lat Long"
uomLabels="deg deg" srsDimension="2">
...
-Peter
>
> Best,
>
> Lars
--
Dr. Peter Baumann
- Professor of Computer Science, Jacobs University Bremen
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Received on Tuesday, 19 May 2015 12:00:38 UTC