[Talk-us] Systematic problem with GNIS import and elevation tags

[Paul Johnson]

Scratch this, I realized the FCC's site is giving meters and calling
them feet...same problem, wrong culprit.

On 01/30/2011 08:44 PM, Paul Johnson wrote:
> I just noticed while researching node 357412228 that it has the
> following properties (mostly) imported from GNIS:
> 
> Node id=357412228 lat=36.0747997 lon=-95.9005176 (projected:
> x=-95.9005176, y=36.0747997); Data set: 4B68BE0E; User: [id:92286
> name:Paul Johnson]; ChangeSet id: 6CCAA4; Timestamp:
> 2011-01-30T02:34:15Z, Version: 4
>   tags:
>     "gnis:created"="08/01/1994"
>     "gnis:county_id"="143"
>     "name"="KCMA-FM (Broken Arrow)"
>     "FIXME"="This tower exists, but it's not KCMA."
>     "gnis:feature_id"="1102236"
>     "gnis:state_id"="40"
>     "man_made"="tower"
>     "ele"="261"
> 
> I added the FIXME, but otherwise it is as it was imported from GNIS.  Of
> concern:  The ele= tag is described in
> http://wiki.openstreetmap.org/wiki/Key:ele as being metric value,
> however, this was obviously imported as Imperial, and incorrectly at
> that (FCC has elevation of 264.3 feet).  Clearly 261m isn't the correct
> elevation, but it is numerically closer to it's foot value.  I'm
> wondering if the person who imported GNIS originally has plans to change
> ele values that match their GNIS values by
> (current ele) * 0.3048 = (corrected ele), and if not, how we should
> handle this as a community.
> 
> 
> 
> 
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