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Subject: Re: [emergency] Circle and Polygon

Claude -

GML is not a mapping standard! GML is a standard, grounded in a variety of 
ISO 19*** series standards, for 
geographic/location/geospatially enabled content. Now, in terms of 3D, I 
would strongly encourage you to check out LandGML 
(http://www.transxml.org/GML+Experiment/Resources/261.aspx and 
(http://www.opengeospatial.org/initiatives/?iid=133) and CityGML 
(http://www.ikg.uni-bonn.de/sig3d/docs/Gi4Dm_2005_Kolbe_Groeger.pdf), both 
application profiles of GML 3.1.

In terms of SVG, there are any number of tools that do GML to SVG for 
rendering. Some are free, some are for fee.



----- Original Message ----- 
From: "Bullard, Claude L (Len)" <len.bullard@intergraph.com>
To: "'Carl Reed OGC'" <creed@opengeospatial.org>; "Ham, Gary A" 
<hamg@BATTELLE.ORG>; "Renato Iannella" <renato@nicta.com.au>; 
"Emergency_Mgt_TC TC" <emergency@lists.oasis-open.org>
Sent: Wednesday, June 08, 2005 9:07 AM
Subject: RE: [emergency] Circle and Polygon

> What do we do with 3D maps?  What do we do with SVG?
> I agree that geometry should be independent of other
> entities, but GML is by no means a dominant industry
> standard for mapping.  ESRI is.
> len
> From: Carl Reed OGC [mailto:creed@opengeospatial.org]
> I would encourage us to look toward compatibility with the OGC GML 
> standard.
> Not that I have a bias :-) But, having recently dug around a bit, GML
> geometry constructs for point, circle, and polygon are also used in a
> variety of other standards, such as the Mobile Location Platform API,
> PIDF-LO, and TransducerML (sensor alerts). The reason I mention this is 
> that
> it is quite conceivable that an alert message that will eventually get
> encapsulated into EDXL (or CAP!) will come from an environment that  uses
> one of these other standards. FYI, MLP is the Gateway protocol that many
> carriers use as part of their location positioning infrastructure.
> Harmonization across standards of how geometry is expressed greatly eases
> implementation pain.
> That said, I would like to have the GML gurus in the OGC take a look at 
> the
> circle/polygon constructs in EDXL and provide feedback. I can have this 
> done
> as part of our Technical Committee F2F next week.
> Regards
> Carl

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