Re: [emergency] RE: Geo-GIS subcommittee call tomorrow.

[Rex Brooks <rexb@starbourne.com>]

Quick note about 1 meter: yes, upcoming work on tracking firefighters 
and other key resources down to less than one meter x, y and z will 
require that.

Cheers,
Rex

Jacob Westfall wrote:
>> Of course China uses GPS and deploys applications in which the WGS 84 CRS is 
>> used. However, as in the US - and most countries for that matter - many 
>> local, regional, and even national geo-applications use other geoids and 
>>     
>
> I can certainly understand they may want to enforce a common CRS for all government data sources, surveying, engineering, transport, etc.  What I was interested in is how this chinese law/polcy accounts for interoperability between international systems and formats?
>
>   
>> mandates that cadastral data be good to well less than one meter. Would your 
>> property lines to be off by a meter? And talk to any oil company getting 
>> ready to drill a new well. Given the exacting requirements of directional 
>>     
>
> Of course, that's why there are more accurate CRS's available.  With regards to Emergency Management needs though, is there a requirement for accuracy greater than 1 meter?  It would be interesting to hear if there are some identified use cases.
>
> I'll try to attend the meeting but have missed past meetings because Friday's are usually packed for me.
>
>   


-- 
Rex Brooks
President, CEO
Starbourne Communications Design
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Berkeley, CA 94702
Tel: 510-898-0670