Here in Thailand there is an understanding that an unclassified way is more important than a residential way but less important than a tertiary highway. See http://wiki.openstreetmap.org/wiki/WikiProject_Thailand#Highway_classificati... for more information. Most but not all unclassified ways are paved in Thailand. I never understood the reasoning behind this but the practice is in wide use and mappers here generally abide by it. I think it might have come about because mappers were looking for a way to classify roads that are important connectors but were not strictly residential and that have no official designation like a route number. On Tue, Sep 8, 2015 at 4:13 PM, Felix Hartmann <extremecarver@gmail.com> wrote:
For Unclassified - yes I agree. It should be rather unpaved. However for at least highway=cycleway and highway=unclassified (very rare anyhow) - I think a country based list wouldn't be too bad. If you know that 99% of such ways in your country are paved - shout out.... Otherweise IMHO both should be assumed unpaved. Unclassified I would guess paved by default for Central/Western/ European countries? But unpaved for Northern (but not Denmark), Eastern European countries - and the rest of the world? Certainly unpaved for most of Asia and Africa...
On 8 September 2015 at 10:46, Gerd Petermann < gpetermann_muenchen@hotmail.com> wrote:
Hi Felix,
okay, got the point, but why do we assume that a highway=unclassified is paved when no other tag gives information? Might be a good assumption in Germany or Austria, but probably not in other areas.
Gerd
------------------------------ Date: Tue, 8 Sep 2015 10:32:14 +0200 From: extremecarver@gmail.com To: mkgmap-dev@lists.mkgmap.org.uk Subject: Re: [mkgmap-dev] default style: highway=path means unpaved?
Well that was introduced because it is unknown. If you have a map and want to avoid unpaved ways - and select that - then there really should be no unpaved ways. If we don't set unpaved here - the avoidance will not be strict enough anymore... highway=path & bicycle=designated could well be a tracktype=grade2 and sometimes even grade3 or worse... And in cases of a mtb route - clearly something completely unrideable for a normal cyclist...
On 8 September 2015 at 10:19, Gerd Petermann < gpetermann_muenchen@hotmail.com> wrote:
Hi all,
I just noted that the default style sets the mkgmap:unpaved flag for many cycleways, e.g. http://www.openstreetmap.org/way/276070019
I see intensive discussions about wrong use of highway=path and/or wrong interpretation of that tag.
The rule in lines is (highway=bridleway | highway=path | highway=track | highway=unsurfaced) & surface!=* & tracktype!=* & smoothness!=* & sac_scale!=* { add mkgmap:unpaved=1 }
My understanding is that highway=track is likely to be unpaved, but highway=path doesn't suggest that, esp. not in combination with bicycle=designated.
Does anybody have a better solution?
Gerd
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