[OSM-talk] GPS track precision (was "GPS track upload working?")

[Tom Hughes]

Andy Deakin wrote:

> If the hdop values run between 0-50, in mysql you would only need a 
> tinyint (1 Byte) so to store this for all 727425591 trackpoints would 
> take up less than a GB. I don't think it is worth reparsing all the 
> files, but just because something is not done in the past does not mean 
> that it shouldn't be considered for the future.

Yes, but the real problem is that, in my experience at least, HDOP is 
pretty much meaningless. Whenever I get way out points from my GPS units 
they seem to have an entirely normal HDOP value.

Tom

-- 
Tom Hughes (tom at compton.nu)
http://www.compton.nu/