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[mkgmap-dev] option link-pois-to-ways information

From Gerd Petermann gpetermann_muenchen at hotmail.com on Tue Feb 15 14:12:01 GMT 2022

Hi Ticker,

if you find highway=street_lamp nodes on highway=* ways those are errors and should be fixed in OSM.
Street lamps are normally mapped along the road, not on the road.

Maybe you meant highway=traffic_signals?

Besides that Basecamp should never route a car over a footway. That sounds like an error in the map data produced by mkgmap
or maybe you used wrong routing settings. Please let me know how to reproduce.

No idea if your proposed change would improve routing, but feel free to experiment with that.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
Gesendet: Dienstag, 15. Februar 2022 13:37
An: mkgmap development
Betreff: [mkgmap-dev] option link-pois-to-ways information

Hi all

To improve routing, I'd like to get information about the POIS that are
being linked to a WAY that can be used as part of the style/lines
processing.

The problem I'm trying to solve is to restrict car routing through some
types of very low level roads (eg service) when there is a barrier.
Setting mkgmap:throughroute=no on these works nicely with MapSource and
older devices but BaseCamp and newer devices will happily route over a
footpath to avoid a throughroute=no section.

At the moment, with --link-pois-to-ways, if the POI has a barrier or
highway tag, mkgmap:way-has-pois is set true. This can be tested by
lines, inc/access etc, but there is no way to find out if it is a
significant barrier or something like highway=street_lamp.

points processing can set mkgmap: access & road_speed/class variables
that are handled by inbuild code after lines processing to imposes more
restrictions on the way and/or reduces speed/class; this is no use for
what I want to do.

Possibilities are:
1/ have options to say which POI tag/value combinations cause
   link-pois-to-ways
2/ set new variables on the way, eg mkgmap:barrier_tags/highway_tags,
   which are a list of distinct POI highway/barrier tag values.

Ticker



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