Robert Vollmert schreef: > Hello, > > On Feb 13, 2008 9:41 AM, Gregory <[EMAIL PROTECTED]> wrote: > >> Maybe (I possibly thought this when I started) so nobody knows >> where I live/start, but I could easily not worry about that. >> > > > On Feb 13, 2008, at 19:14, Karl Newman wrote: > >> Yeah, I've been collecting traces, too, but not yet uploading them >> because I don't really want the cluster of points around my house. >> I found a graphical editor that can edit traces (GPSTrackMaker) but >> I haven't had time to edit them for uploading yet. >> > > I believe gpsbabel supports this kind of operation: > > gpsbabel -i gpx -f raw.gpx -x > radius,exclude,distance=1.5M,lat=30.0,lon=-90.0 -o gpx -F filtered.gpx > > should remove all points within 1 1/2 miles of the specified lat/lon > pair from raw.gpx, saving the output in filtered.gpx. (I haven't > tested this.) > > See also http://www.gpsbabel.org/htmldoc-development/ > filter_radius.html . > > Would it make sense to add these kind of filters to the GPX upload > facility to encourage more people to upload their traces? I'd also > like some automatic time shift (to say the first of the month, at > 0:00)... > Of course if you use the actual position of your house as the center of that radius, it would still be trivial to find where you live. That's why I tried to exclude points using a polygon (saved as a text file). This didn't seem to work though. I like the idea of timeshifting the timestamps.
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