position accuracy

Henri Bergius henri.bergius at iki.fi
Thu Aug 9 02:53:24 PDT 2007


On 8/9/07, Jussi Kukkonen <jhkukkon at cc.hut.fi> wrote:
> > So: accuracy_2d and accuracy_3d?
>
> Yes. Of course that is mainly theoretical as the API currently has no
> way to query vertical position...

Well, I'm sure that will come there eventually.

> 2. value in meters might be easier to use (no need to consult a header
> file to see what value 6 means).

True. But the problem is that accuracy in meters makes sense with GPS,
but is fairly vague with any other backend. What would it be?

* Plazes: meters from WiFi base station based on some signal strength
questimation
* HostIP: some big number that is always incorrect but "good enough"
* Manual: no idea, depends how pedantically user inputs position and
how good our geocoding database is

> -jussi

/Bergie

-- 
Henri Bergius
Motorcycle Adventures and Free Software
http://bergie.iki.fi/

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