[postgis-users] prj2esri.org

Richard Greenwood richard.greenwood at gmail.com
Tue Jan 12 17:33:51 PST 2016


Clifford,

This probably isn't really what you're looking for, but it's another
creative take on projection guessing:
  http://projfinder.com/

Rich


On Tue, Jan 12, 2016 at 4:28 PM, Clifford Snow <clifford at snowandsnow.us>
wrote:

>
> On Tue, Jan 12, 2016 at 1:17 AM, Andrea Aime <andrea.aime at geo-solutions.it
> > wrote:
>
>> When you paste a PRJ, first it parses it and tries to perform a match
>> against the official EPSG database, by first making an indexed
>> search by projection name and a few other params, falling on a brute
>> force scan and compare if the first does not match.
>> If not even that works, then it has a secondary Lucene index with all
>> projections WKTs stored inside, and it will do a
>> text based search against it, hoping to find something similar (aka "shot
>> in the dark").
>>
>
> Thanks for the explanation. The process on the surface seems
>> straightforward enough. I was expecting that a tool like proj would be used
>> to normalize the file. This actually makes great sense now that I think
>> about it.
>
>
> Thanks,
> Clifford
>
>
> --
> @osm_seattle
> osm_seattle.snowandsnow.us
> OpenStreetMap: Maps with a human touch
>
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-- 
Richard W. Greenwood, PLS
www.greenwoodmap.com
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