[Routing] Routing on Garmin etrex using OSM

Mark Williams mark.666 at blueyonder.co.uk
Mon Apr 14 14:58:19 BST 2008


Marcus Wolschon wrote:
> Mark Williams schrieb:
> | Hi,
> |
> | good start on this - I was looking at the problem over the weekend.
> |
> | I'm starting at the bottom of the XML learning curve here, but are your
> | defaults assuming untagged ways are (barely) navigable? This could be
> | entertaining if so...
> 
> Untagged ways may be anything. From woodland, power-lines or rivers
> up to foot-ways.
> Only ways tagged with the highway-tag are navigatable.
> You may want to have a lok at the "routing" and "routing_tags"-page
> in the wiki.
> 
> What map are you working on? World, Europe, some Cities?
> 
> Marcus

Quite...

I'm looking at UK currently - just for fun I tried pushing the counter /
limit in pyroute x100, it took 3 days to not find a route ~120 miles,
which set me off thinking (always dangerous ;) )

I know there are faster algorithms but all seem only to do small areas
right now - unless anyone knows differently..

Mark





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