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Subject: Fw: [emergency-msg] Confusion about RM location elements

Sorry, I cannot post to the -msg group so am reposting to the entire TC.

----- Original Message -----
Sent: Tuesday, January 30, 2007 9:18 AM
Subject: Re: [emergency-msg] Confusion about RM location elements

All -
Apologies for having "disappeared" for the last several weeks. Events have overtaken me in terms of travel and OGC related project work. Now that I have finished the IETF GML Geoshape Application Schema and it has been formally approved by the OGC and the IETF, time to move onto the OASIS GML Profile.
The OGC members provided some help to me on the OASIS GML Profile but I am not an XML expert by any flight of fancy. Also, I have been coordinating with a related NIEM effort to hopefully insure some harmonization with that work. However, this may be somewhat difficult in that a geospatial.xsd that conforms to NIEM naming and design rules has wrapper types (and occasionally proxy global elements) for geospatial types defined in "external" standards-based geospatial schemas.
That said, I do have newer .xsd files and will be updating the actual document this week.
Finally, it would be nice to make sure that the OASIS geometry definitions are aligned with those used in other standards organizations - a also with KML :-) A note on the last comment: Google has offered to bring KML into the OGC to become an OGC Best Practices document AND to harmonize KML with the OGC/ISO Coordinate Reference System (CRS) standards and the GML 3.1.1 Geometry schemas. KML currently uses GML 2.1.2 for expressing geometry (although the GML namespace is never referenced). And KML also uses CIQ/xAL for addressing (without referencing the OASIS namespace).
----- Original Message -----
Sent: Monday, January 29, 2007 10:59 PM
Subject: [emergency-msg] Confusion about RM location elements


Dear all,


Im in the process of updating the RM message schemas and examples, and checking consistency with the latest version of the matrix and data dictionary.  Im confused about the location elements.  The data dictionary lists the sub-elements of Location as being:


-          LocationDescription

-          ExplicitAddress (with sub-elements ExplicitAddressScheme & ExplicitAddressValue both strings)

-          TargetArea (with sub-elements Circle, Polygon, Country, Subdivision, LocCodeUN all strings)


However, I was previously under the impression that we were using a combination of CIQ addresses and the OASIS GML profile?  The CommonTypes schema lists the following as the sub-elements of Location:


-          Description

-          CIQInformation (with sub-elements Party and Address probably only Address is needed in this context)

-          geo-oasis:where (with sub-elements Point, LineString, Polygon & Envelope)


Could somebody please clarify for me the latest decision about these elements?  In my opinion, if we are using CIQ for addresses in the ContactInformation package, we should stick with CIQ addresses for Location, for the sake of consistency.  Also, representing circles, polygons, etc. with strings does not seem like a good solution.  The alternative is to use the OASIS GML profile however this has errors in it and does not seem to have been updated for a while (does anyone know what is happening with this?).





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