[georss] GeoRSS polygon/line elevation

[Ron Lake]

Hi,

There is no way to say in GML that every point in this line segment has
some elevation without specifying such through each of the coordinates
of the control points of the line segment.

So your examples below in GML would be

	<abc:Something gml:id="someID">
		<abc:position>
			<gml:Point>
				<gml:pos>45.256 -110.45 313</gml:pos>
			</gml:Point>
		</abc:position>
		<abc:extent>
			<gml:Polygon>
				<gml:posList>256 -110.45 313 46.46
-109.48 313 43.84 -109.86 313 45.256 -110.45 313/>
			</gml:Polygon>
		</abc:extent>
	</abc:Something>


Cheers

Ron


<georss:polygon>
    45.256 -110.45 46.46 -109.48 43.84 -109.86 45.256 -110.45
</georss:polygon>

-----Original Message-----
From: georss-bounces at lists.eogeo.org
[mailto:georss-bounces at lists.eogeo.org] On Behalf Of Mikel Maron
Sent: January 24, 2007 8:21 AM
To: Andrew Turner; georss at lists.eogeo.org
Subject: Re: [georss] GeoRSS polygon/line elevation

"elev", and the other properties, were changed to elements from
attributes, for version 1.

    <georss:point>45.256 -110.45</georss:point>
    <georss:elev>313</georss:elev>
But the document at http://georss.org/georss/1/ incorrectly shows them
as attributes.

----- Original Message ----
From: Andrew Turner <georss at highearthorbit.com>
To: georss at lists.eogeo.org
Sent: Wednesday, January 24, 2007 3:15:43 PM
Subject: [georss] GeoRSS polygon/line elevation

There doesn't appear to be any mechanism in v1 of GeoRSS spec to
handle elevation in anything but a Point.

<georss:point elev="313">45.256 -110.45</georss:point>

but
<georss:polygon>
    45.256 -110.45 46.46 -109.48 43.84 -109.86 45.256 -110.45
</georss:polygon>

would be?
<georss:polygon elev="313 310 306 313">

nothing seems apparent in GML either - so I must just be missing it.

Andrew
-- 
Andrew Turner
ajturner at highearthorbit.com        42.4266N x 83.4931W
http://highearthorbit.com              Northville, Michigan, USA
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