On Mon, Jan 2, 2012 at 3:54 PM, Barry Rowlingson <b.rowling...@lancaster.ac.uk> wrote:
> That looks suspiciously like a chunk of a GPX format file - GPS > tracks, that kind of thing. Am I right? > > If so, then get the rgdal package, and read it in. You'll end up with > a spatial data frame of some kind from which you can get the points > and times. > > http://en.wikipedia.org/wiki/GPS_eXchange_Format Specifically, if I put that snippet of yours into a GPX file, I can do: > trk= readOGR("m.gpx","track_points") > trk coordinates track_fid track_seg_id track_seg_point_id ele 1 (16.343, 48.272) 0 0 0 387 2 (16.3436, 48.2719) 0 0 1 381 time magvar geoidheight name cmt desc src link1_href 1 2012/01/01 15:32:03+00 NA NA <NA> <NA> <NA> <NA> <NA> 2 2012/01/01 15:32:34+00 NA NA <NA> <NA> <NA> <NA> <NA> link1_text link1_type link2_href link2_text link2_type sym type fix sat 1 <NA> <NA> <NA> <NA> <NA> <NA> <NA> <NA> 9 2 <NA> <NA> <NA> <NA> <NA> <NA> <NA> <NA> 9 hdop vdop pdop ageofdgpsdata dgpsid 1 NA NA NA NA NA 2 NA NA NA NA NA - obviously there's a lot of stuff there you don't need, so you can do: > trk@data=trk@data[,c("ele","time","sat")] > trk coordinates ele time sat 1 (16.343, 48.272) 387 2012/01/01 15:32:03+00 9 2 (16.3436, 48.2719) 381 2012/01/01 15:32:34+00 9 Barry ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.