[OSM-dev] [bug] direction of GPS traces

Johnny Rose Carlsen osm at wenix.dk
Tue Apr 14 13:32:16 BST 2009


Tom Hughes <tom at compton.nu> wrote:

> Gleb Smirnoff wrote:
> >   I have noticed that all my GPS traces uploaded to OSM base are
> > displayed in JOSM in opposite direction. First I though that this
> > is bug in JOSM, but it appeared that if I open the gpx file in
> > JOSM, then the trace direction is drawn correctly. And if I upload
> > this exact file to OSM and then download it into JOSM gpx layer,
> > then the direction of trace is the opposite.
> 
> When you download GPS points from the API in JOSM they are not
> returned in any particular order - you will get all points in the
> area but the points from different traces may well be mixed up and
> may or may not be in the order in which they appeared in the original
> traces.
> 
> This is done for privacy reasons as not all traces are public and we 
> don't want to reveal too much about non-public traces.

Does that mean that my non-public traces are still available to
others?, I thought that they would only be shown to me.

Its not a big issue for me, but I expected it to be different.

Best regards,
 - Johnny Carlsen




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