[georss] elevation and Simple<->GeoRSS GML interop questions

[Andrew Turner]

These are great - can you post the examples & short description to the
georss.org docs?

Andrew

>
> On Fri, May 9, 2008 at 11:41 AM, Joshua Lieberman <josh at oklieb.net> wrote:
>>
>> 2D Default (if you omit srsName and srsDimension):
>>
>> Point:
>> <georss:where>
>>     <gml:Point srsName="urn:ogc:def:crs:EPSG::4326" srsDimension="2">
>>         <gml:pos>31.936 -115.834</gml:pos>
>>     </gml:Point>
>> </georss:where>
>>
>> Line:
>> <georss:where>
>>     <gml:LineString srsName="urn:ogc:def:crs:EPSG::4326"
>> srsDimension="2">
>>         <gml:pos>31.936 -115.834 31.128 -118.479</gml:pos>
>>     </gml:LineString>
>> </georss:where>
>>
>> 3D Geographic:
>>
>> Point:
>> <georss:where>
>>     <gml:Point srsName="urn:ogc:def:crs:EPSG::4979" srsDimension="3">
>>         <gml:pos>31.936 -115.834 345</gml:pos>
>>     </gml:Point>
>> </georss:where>
>>
>> Line:
>> <georss:where>
>>     <gml:LineString srsName="urn:ogc:def:crs:EPSG::4979"
>> srsDimension="3">
>>         <gml:pos>31.936 -115.834 345 31.128 -118.479 303</gml:pos>
>>     </gml:LineString>
>> </georss:where>
>>
>>
>> On May 7, 2008, at 4:33 AM, Makc wrote:
>>
>>> Hello list, just a side-note about these:
>>>
>>> On 5/7/08, Joshua Lieberman <josh at oklieb.net> wrote:
>>>> one needs generally to declare both a 3D coordinate system
>>>> (compound or not)
>>>> and dimensions defined by that system.
>>>
>>> On 5/7/08, Joshua Lieberman <josh at oklieb.net> wrote:
>>>> It is generally necessary to look at the definition of the CRS. One
>>>> can look
>>>> at the EPSG code definitions here, for example:
>>>> http://www.epsg-registry.org/ and find that the 3D equivalent of
>>>> EPSG:4326
>>>> is EPSG: 4979. There only appear to be CompoundCRS versions of
>>>> projected 3D
>>>> CRS's, e.g. EPSG:7416 is a combination of  ETRS89 / UTM zone 32N +
>>>> DVR90
>>>> height.
>>>
>>> I was pointed to this link before, but apparently I am stupid enough
>>> to not figure out how to use it (twice now). Could someone please just
>>> paste some sample gml file that declares lat/lon/elevation system and
>>> some location using it, so that I could "get a feeling" of how it
>>> should look like?
>>
>> _______________________________________________