There is a fledgling effort underway here in Chiang Mai to do a similar thing. This effort centers around the desirability of a route for bicycling. It deals with scenic vs dangerous roads for cycling and the 3 point system it uses might be insufficient for your needs but it might be adapted. Worth a look at any rate. https://wiki.openstreetmap.org/wiki/WikiProject_Thailand#Bicycling_tagging_.... Dave On Thu, Mar 16, 2017 at 5:06 PM, Gerd Petermann < GPetermann_muenchen@hotmail.com> wrote:
Hi,
I just want to share an idea which might be interesting for cycling maps: In Germany and probably also Austria) many major roads have a parallel cycleway close to it, often only separated by a patch of grass or natural=tree_row. Example: A way with bicycle=designated : http://www.openstreetmap.org/way/243499929 runs next to highway=primary B213 http://www.openstreetmap.org/way/328470949
I think nearly no cyclist likes to use those ways -- they are just a bit safer but still lots of cars are running with 100 km/h next to you -- so I think it would be good to have a way to separate them from other ways where no major road is close.
A possible way would be this: Simiar to the new ResidentialHook which sets the mkgmap:residential tag we might implement a hook which collects major roads and calculates an area around it (maybe 20m on both sides). Each way (maybe only those with highway=* ) could be checked against those areas in a way that a rule could decide to "dislike" a way which is mostly within such an area when the map is for cyclists. I guess bridges and tunnels (or more generally the layer tag) needs special handling here.
Questions: 1) Do you think this would good to have? 2) If yes, what kind of information would be needed in the style?
Gerd
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-- Dave Swarthout Homer, Alaska Chiang Mai, Thailand Travel Blog at http://dswarthout.blogspot.com