Re: [Flightgear-devel] Positioning Aircraft: accuracy

[Curtis O. <cur...@fl...>]

It really smells like a double -> float conversion somewhere in the
pipeline (more than a geocentric / geodetic conversion or something like
that).

Curt.


On Tue, Jun 25, 2013 at 2:01 PM, D-NXKT <D_...@ya...> wrote:

> > How far off is the aircraft placement - how much is the "jump"? Is it
> > many hundreds of meters, or on the order a meter or two, or just
> > centimeters?
> >
> > Jon
>
>
> Several meters!
>
> Or more precise:
>
> first:     lat= 47.306263      lon= 11.379070
> "jump" to: lat= 47.3062060567  lon= 11.3790703145
>                        ^
> Difference = 6.34 meters (20.80 ft)
>
> Best regards
> D-NXKT
>
>
>
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-- 
Curtis Olson:
http://www.atiak.com - http://aem.umn.edu/~uav/
http://www.flightgear.org - http://gallinazo.flightgear.org