[Openstreetmap] recording heights?

[SteveC]

* @ 14/02/06 12:33:52 PM barry at barryhunter.co.uk wrote:
> I haven't seen any mention of it anywhere, but does openstreetmap.org make 
> any attempt to record heights?
> 
> Most of the tracklogs uploaded probably have a height component, but am I 
> right this doesn't really make it into the main database?

Put your GPS outside and record 'static' data for 24 hours. Now look at
the error bars on the height compared to lat/lon. It's approximately
useless data.

> This would be a great opportunity for creating a DEM from the data, even 
> given the low quality of height readings on a GPS device.
> 
> Or is the focus just to merge the mapping data with already available DEM's 
> (such as STRM on free-map.org.uk)?

The SRTM data is far more useful :-)

have fun,

SteveC steve at asklater.com http://www.asklater.com/steve/