[mkgmap-dev] Car routing issue with --make-all-cycleways at tile boundary with cycle way laneFrom Michael Günnewig MichaelGuennewig at gmx.de on Tue Mar 27 21:21:22 BST 2012
Hi all. I have some interesting routing issue with my self-generated OSM map based on the All-In-One styles. I could track the issue down in the meantime to the --make-all-cycleways option being given to mkgmap. The issue also occurs with old mkgmap or old splitter versions, even though I'm quite sure that I didn't encounter it in the past. I first guessed that some additional data to the tiles leads to some overflow, but even reducing the number of nodes for splitting has not resolved the issue. The routing problem happens on this map excerpt: http://www.openstreetmap.org/?lat=51.50112&lon=7.34123&zoom=17&layers=M Coming from east on way 71933528 (Martener Straße) towards west to turn left onto 55188142 (Westricher Straße) crossing the segments 55262354 and then 30889150 doesn't work on my Oregon 450, when using car routing with --make-all-cycleways. It usually directs me from 71933528 towards east to do a great extra way avoiding streets with cycleways. Bicycle and foot routing that route works correctly nevertheless. Also if I just use the --make-opposite-cycleways option the car routing works also fine with the same tiles. I have also already tried to explicitly forbid bicycle traffic (bicycle=no instead of current designated) on the streets, as well as renaming the street to just its first letter, which did not help either. When splitting the germany pbf files from GeoFabrik the tile border is positioned approximately between way segments 55262354 and 30889150 (using 700k or 600k nodes). Any idea what the route cause could be here? Regards, Michael
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