Hi there Greg and Charles, Many thanks for your help as well; I guessed it was something like this, but there are many distinctions in GIS which are lost on a total novice like me!
Kind regards, Jimi. On Thu, Sep 10, 2020 at 10:03 PM Greg Troxel <g...@lexort.com> wrote: > > Charles Dixon-Paver <char...@kartoza.com> writes: > > > Routes are an ordered combination of points, which indicate the position > > and direction, whilst tracks are a log of the receiver position over > time. > > True. > > > In practice, if you were just tracking a hike through the forest, it's > > probably not of great importance, however if you were doing field capture > > of high fidelity data (e.g. a road network, with specific start and end > > positions in a street, with the direction indicating traffic flow etc), > you > > would probably find the distinction has significantly more value. A > > That's not really how it ends up in practice usually. A route is > basically a plan for a navigation session, sort of "start here, then go > here, then go there". Routes are typically created as a planning > operation, and then loaded onto a receiver (or you can create them on > the device, but you are using it as a computer when you do). Tracks are > typically a record of observations, and thus represent a history of > where the device was. > > One can transfer a track to a device, and can typically also say "route > along this track". > > One thing to note about GPX is that there is a standard and then there > are extensions. > https://www.topografix.com/GPX/1/1/gpx.xsd > So it may be that the navigation program the OP is using stores > information about distance and time. GPX proper is just a list of > waypoints. From that one can of course compute distance, but not time. > > I am not sure if Jimi created "tracks" or "routes". I would suggest > reading the GPX file with a text editor to understand what files are in > there. If it is unreadable due to poor formatting choices (a belief > that whitespace doesn't matter in gpx becuase it is for computers not > humans :-( ), gpsbabel as a filter to read and write gpx may help. >
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