Re: [emergency-gis] RE: Notes from today's teleconference

[Rex Brooks <rexb@starbourne.com>]

Sounds good to me, Carl,

Cheers,
Rex

Carl Reed wrote:
> Any comments before I post to the EM TC GIS archives appreciated
>  
> Thanks
>  
> Carl
>  
> Rob, Gary, Hans, Carl, Rex
>  
> Discussion on the use of OASIS GML "where" profile and how to be used 
> in NIEM. Adaptor would be the proper approach.
>  
> Discussion on linestring. Flat earth or geodesic. Flat earth as most 
> events are over a small area. Question of use cases and a linestring. 
> A number of use cases were identified (hurricane eye, tornado path, 
> route, flow of hazardous waste in a river). Then a discussion on 
> directionality. Application dependent.
>  
> Units of measure: Should be mandatory. Need to include some guidance 
> along with some references. Guidance: Avoid multiple UoMs in the same 
> payload. Should we enumerate our own list?
>  
> Is zero a valid distance/radius? No. Use a point geometry.
>  
> Polygons - are islands in? Yes. Need to clarify language in document 
> about direction of coordinates on the exterior boundary and interior 
> boundary.
>  
> Need to report this out of the SC and make it an official position of 
> the TC and move forward. We need to do this in two weeks time.
>  
> Carl Reed, PhD
> CTO and Executive Director Specification Program
> OGC
>  
> The OGC: Helping the World to Communicate Geographically
>  
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-- 
Rex Brooks
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