Hi Felix,

sure, I meant roads which RoadMerger would combine. Roadmerger checks a lot 
more attributes.
Multiple (different) routable ways for one OSM way are quite normal, esp. with 
the --make-opposite-cycleways option.

I think it's worth to log a warning for each.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-boun...@lists.mkgmap.org.uk> im Auftrag von Felix 
Hartmann <extremecar...@gmail.com>
Gesendet: Montag, 10. Mai 2021 11:16
An: Development list for mkgmap
Betreff: Re: [mkgmap-dev] Duplicate roads added by default style

It makes the style very complicated to try to remove any identical copies - I 
do this by setting loads of temporary keys, that are checked later for existing 
or not existing and based on that add or not add other lines.  I guess some 
actual duplicates will still happen.

On Mon, 10 May 2021 at 17:14, Felix Hartmann 
<extremecar...@gmail.com<mailto:extremecar...@gmail.com>> wrote:
hmm no, please no warning. This can be very beneficial. As long as the type OR 
road_speed OR road_class OR oneway plus direction is different. The above of 
course makes no sense, as it will set exactly the same road twice.

On Mon, 10 May 2021 at 16:49, Gerd Petermann 
<gpetermann_muenc...@hotmail.com<mailto:gpetermann_muenc...@hotmail.com>> wrote:
Hi all,

while double checking patch for the RoadMerger I wondered what might happen if 
the style adds two or more identical roads for the same OSM way.
Of course this makes no sense but to my surprise I found out that this really 
happens with the default style.
A way with e.g. highway=footway and railway=platform is added twice
...
highway=footway {set tmp:stopMopUp=yes} [0x16 road_class=0 road_speed=0 
resolution 23 continue with_actions]
...
railway=platform [0x16 road_class=0 road_speed=0 resolution 23]

Of course the default style should be fixed to avoid that but I think mkgmap 
can detect this easily and should print a warning when the style does that?

Gerd
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--
Felix Hartman - Openmtbmap.org & VeloMap.org



--
Felix Hartman - Openmtbmap.org & VeloMap.org

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