[OSM-talk] GPS scribble in JOSM

[Richard Fairhurst]

On 4 Sep 2006, at 19:19, Jon Burgess wrote:

> I see the same thing in JOSM if I have the draw lines option enabled
> when I have a layer with raw GPS visible. I think the raw GPS data is
> probably just a list of all points within the bounding box in a pseudo
> random order so drawing lines between the points makes no sense.
>
> There is a chance that this worked differently before the recent
> algorithm changes to speed up the database access. I don't think the 
> API
> makes any guarantees though that the nodes will be in any kind of 
> order,
> if it worked better before, it was probably by luck.

They're supposed to be ordered by timestamp, as Ed theorised (line 663 
of dao.rb). I've committed a change to svn that will order them by GPX 
id _then_ timestamp, which should hopefully remove the problem.

Steve/Nick - could you deploy?

(I haven't tested because my dev setup is broken for GPX files, but it 
should be ok.)

cheers
Richard