[georss] Scaling/size of geographical entities

Josh@oklieb josh at oklieb.net
Fri Jul 21 18:11:28 EDT 2006


I don't think it is in dispute, exactly, and it is included in both  
GeoRSS Simple and GML. We then have the action in the Geospatial XG  
charter of adopting it in the geo ontology / vocabulary / namespace.

There is the question perhaps of defining what the publisher means by  
radius. Does it mean "do your best to draw a circle even if the point  
is in WGS84 degrees and the radius is in meters" or does it mean  
"there is a 50m area of interest around this point" or does it mean  
"the real point of interest is somewhere within 1000m of the  
coordinates given". This is where the other tags can be helpful. Of  
course one man's ceiling is another man's floor.

Stay tuned.

Josh

On Jul 21, 2006, at 4:54 PM, Allan Doyle wrote:

> I think radius is in dispute... I forget who likes it and who does
> not. The issue, as far as I recall, is that GML does not have a
> circle that's defined by a point and a radius so GeoRSS Simple can't
> have one.
>
> 	Allan
>
> On Jul 21, 2006, at 16:43, Andrew Turner wrote:
>
>> Holger Knublauch  wrote:
>>>
>>> Thanks Joshua.  With a basic glimpse on this, I would hope that
>>> the geo
>>> ontology is extended with a geo:radius attribute: it is a low  
>>> hanging
>>> fruit while having feature types is probably an overkill.  To  
>>> specify
>>
>> There is a radius in GeoRSS Simple:
>>
>>   <georss:point radius="500">45.256 -110.45</georss:point>
>>
>> It was at the bottom of the "Simple" page, so maybe you missed it. :)
>> Andrew
>>
>> -- 
>> Andrew Turner
>> ajturner at highearthorbit.com        42.4266N x 83.4931W
>> http://highearthorbit.com              Northville, Michigan, USA
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>
> -- 
> Allan Doyle
> +1.781.433.2695
> adoyle at eogeo.org
>
>
>
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