[R-sig-Geo] processing GPS track data?

Lukasz Szybalski szybalski at gmail.com
Fri Oct 24 01:33:42 CEST 2008

What you want to do with the data?

You could try http://openstreetmap.org/
They have the tools that allow you to upload gps traces to their
software if you can share it.
They should also provide some tools that allow you to reformat the gps
trace to let say osm,kml,or shp files.


On Thu, Oct 23, 2008 at 6:28 PM, Malin Pinsky <mpinsky at stanford.edu> wrote:
> Hi all,
> I have a set of GPS track data (in .gpx format now) that I need to
> process, and I'm hoping to use R to do it. I've been using R for a
> number of years now, but this is my first time wading into spatial
> data.
> Specifically, I need to:
>   1) Smooth the tracks
>   2) Select random locations along the tracks
>   3) Select segments of the tracks, corresponding to the random locations
>   4) Check for overlap between the segments
>   5) Output the random segments, preserving other track attribute
> data (e.g., timestamps)
> So far, my searches on r-sig-geo have come up negative. Has anyone
> dealt with data like this before? Can someone recommend the
> appropriate packages/functions? PostGIS sounds like it may be another
> option if R doesn't yet have the packages.
> Thanks for your help.
> Regards,
> Malin
> --
> Malin Pinsky
> Ph.D. Candidate, Palumbi Lab
> Hopkins Marine Station
> Stanford University
> Pacific Grove, CA  93950
> mpinsky at stanford.edu
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