[OSM-talk] Rendering of tracktype

[Martin Simon]

Am Donnerstag, 12. Juni 2008 12:11:48 schrieb Frank Sautter:
> Nick Whitelegg wrote:
> >>> i agree with you! my idea of how this should be rendered is:
> >>> grade1: just like highway=service [...]
> >>
> >> It's worth noting that tracktype is not a universally welcome tag -
> >> a lot of people think having an arbitrary scale isn't very
> >> "OSM-like", and that it's better to tag specific characteristics.
> >> We don't necessarily have anything better, of course.
> >
> > There is the optional surface=gravel tag to indicate a gravel surface
> > for a track. A related tag for paths, rather than tracks, is
> > width=narrow.
>
> i don't think, that our tracktype scheme is arbitrary at least for
> tracks here in germany. i think the 5 different grades match the
> condition of a track very good.
>
> grade 1: more or less the same as a service road (the same construction)
> but through farmland or forest. surface is asphalt or concrete. 2
> vehicles can pass each other by using the gaveled shoulder.
>
> grade 2: track has a surface made of gravel, shoulder is often overgrown
> by grass.
>
> grade 3: track has a surface made of gravel, but the area between the
> middle of the way is overgrown with grass.
>
> grade 4: tracks consist mainly out of two tire marks, sometimes there
> are muddy puddles. bumpy.
>
> grade 5: rarely used tracks. often completely overgrown, but it is
> cleary distinguishable from the surrounding area.
>
> the only thing that sometimes is difficult, is to set the point when a
> track reaches another grade (tracks are often getting worse, the more
> distant they become from a major road)
>
> tracks are always drivable by 4-wheeled vehicles, as paths are not.
>
> frank

This is exactly the same way I am mapping tracktypes - it works perfectly.
(and for any vehicle, not just "the mapper's bike" with "the mapper's 
driving style" applied)

-Martin