Re: [Gpsbabel-misc] question re: <bounds>
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From: Adam S. <ada...@un...> - 2005-11-11 23:04:01
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On 11/11/05, Paul Fox wrote: > >in gpx.c, the values in the <bounds> metadata tag, computed by > waypt_compute_bounds(&bounds); >represent the min/max for all the waypoints, but only the waypoints. >the route points and track points are not scanned. should they be? Yes, they should. But only, of course, if the file to be output will include the tracks and/or routes! (This is a possibility now that the "nuketypes" option is available.) >is there a semantic description of the gpx schema? the docs at >topografix are very syntactical -- i've found nothing that answers >questions such as that above. The documentation says, "Bounding rectangle of all data in GPX file," which to me should be taken at face value: ALL data. (http://www.topografix.com/gpx_manual.asp#bounds) And Topografix's own sample GPX files bear this out. The bounds tag in the "Blue Hills" file at http://www.topografix.com/team/view.asp?gpx=blue_hills.gpx shows a maximum longitude of -71.069634, which is the eastern extent of the TRACK in that file; the easternmost waypoint is "Buck Hill" at -71.075020. Adam |