[Tagging] Garmin waypoints and routes (was: "Roles of route members" and before that "Merging tagging scheme on wiki pages of Hiking")

Peter Elderson pelderson at gmail.com
Wed Aug 21 18:46:45 UTC 2019

I have to correct myself: I thought OsmAnd really performed routing when
navigating using a gpx trail. It doesn't, I tested it today. It translates
turns in the track into screen messgaes and spoken text messages, without
doing anything with the map. So it will send you into a ravine if your
track goes there.
But it can route you to the start of your track, and when you go off-track,
it routes you back on track.

All the more reason why the gpx should be a correctly ordered single chain.

Fr gr Peter Elderson

Op di 20 aug. 2019 om 16:57 schreef Peter Elderson <pelderson at gmail.com>:

> Andy Townsend <ajt1047 at gmail.com>:
> On 19/08/2019 19:04, Peter Elderson wrote:
> Ok, I accept I just don't know how it's done. So how is that done? How do
> I tell my Garmin to guide me along, say, the Limes trail through the
> Netherlands?
> Essentially, you'd just look at the screen and follow that!  I tend to use
> waypoints for an idea of things like "how long will it be until I get to
> where I'm going to stop for lunch", not for "turn left here because route
> XYZ turns left here", because you can see on the screen that route XYZ
> "turns left here".
> So it’s not done. The osm route is not used to route. You can see it and
> keep yor dot on the line, but the navigating device does not navigate along
> the route. It can navigate, it has the route, but it does not do it unless
> I create gpx from the route, send that to the device, which then recreates
> the route from the gpx.
> If you want to add a series of waypoints and route along those then you
> can, but want you can't typically do with one of the hiking-oriented
> Garmins is follow a particular feature.  You could create an OSM-based
> Garmin map that forced a device to route along a trail at the expense of
> any other paths, but I certainly wouldn't want to do that as it would stop
> me from leaving the trail to eat in a nearby town.
> Nothing stops you from leaving the route, and I expect the device to route
> me back to the track afterwards. And it does, and so does OsmAnd.
> Creating a Garmin route from a GPX file is possible, but probably
> impractical, as you'd need to restrict the number of points.  Apparently my
> GPSMap 64 supports 200 routes with 250 points per route, and up to 5000
> waypoints in total.
> If only there were a way to store permanent routes in, say, a mapping
> database, which could be used to determine what ways to follow...
> You only need to load the section(s) for the next day or a few days.
> Afterwards, just remove them. No problem. I have had no problems to load
> the via degli dei as 7 sections, each a day’s walk. No restrictions
> necessary.
> I also loaded these in OsmAnd and had it guide me all the way
> voice-in-ear, ie not having to look at the screen at all.
> Where Garmin on-device routing is really useful is for when you need to
> get to somewhere but don't have an on-screen route to follow - for example
> if the weather's turned and you need to abort a previously planned route
> and get another route to your destination from where you currently are.
> It's also useful where there are natural obstacles like rivers, where the
> distance on foot may be significantly more than the as-the-crow-flies
> distance.
> Best Regards,
> Andy
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