On Mon, Sep 17, 2012 at 12:29 PM, Markus Krötzsch <
markus(a)semantic-mediawiki.org> wrote:
Hi,
On 16/09/12 15:33, Jeroen De Dauw wrote:
GeoCoordinatesValue :=
'GeoCoordinatesValue(' decimal decimal
decimal ')'
Altitude is probably something we will not have in many cases, so I
think this ought to be optional. Another optional argument would be the
globe to which the coordinates belong. Different globes have different
ways of measuring coordinates, so a specific set of coordinates that is
valid on one might mean something else on another and simply be invalid
on a third.
Yes, this DataValue is certainly in early draft stage. I will change the
name as suggested by Katie. For the content, should we have optional
altitude and optional planet identifier (what is the format of this? is
there an IRI for Mars?)?
Wikipedia uses a globe parameter and supports only a few other celestial
bodies:
http://en.wikipedia.org/wiki/Template:Coord#globe:G
For Earth, by default, the WGS84 (EPSG:4326) is used.
With a globe parameter, one of these is used:
http://planetarynames.wr.usgs.gov/TargetCoordinates
There also are celestial coordinates, which we may want to support:
http://en.wikipedia.org/wiki/Template:Sky
Cheers,
Katie
Markus
Cheers
--
Jeroen De Dauw
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Don't panic. Don't be evil.
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