[mkgmap-dev] Problem with turn restrictionFrom GerdP gpetermann_muenchen at hotmail.com on Tue Feb 4 20:14:53 GMT 2014
Hi WanMil, that's strange. With r3000 I saw many problems for Niedersachen, with r3002 only 4, and those were the two examples. I am downloading latest Germany now. Gerd WanMil wrote > Hi Gerd, > > I think your changes are good. > Anyhow for my special purpose I don't see any difference after your fixes. > So I will explain what and how I am checking the restrictions (see > attached patch with the check code). > > All restrictions that are valid after loading but which cannot be > written to the map because there is a problem when the > RestrictionRelation.addRestriction(..) is called are logged with the > (not very useful...) text "Late invalid: "+URL of restriction. > > See relation_problems.txt with the results. There are 851 problems in > Germany using the tiles created with attached areas.list. > > I am not sure if really all logged restrictions are completely valid but > all I checked should make its way into the mkgmap compiled map. > > I hope this helps you to find some other problematic places! > > WanMil > >> Hi WanMil, >> >> up to now I found these reasons for problems: >> 1) one error in the branch: via coords were replaced without updating >> the corrresponding restrictions and the hash map >> 2) "no_u_turn" restrictions were not added >> if from-way and to-way are equal. They are evaluated to be valid, but >> I don't know if they really make sense? >> 3) restrictions are added to the restrictions hash map even if the via >> coord is >> not contained in the bounding box. >> >> 4) restrictions that have a from-way or to-way which >> is not added with a routable type or not at all, >> e.g. way http://www.openstreetmap.org/way/225540783 >> has no tags but is part of three restriction relations. >> Another example: >> http://www.openstreetmap.org/relation/2880411 >> refers to ways that are tagged lane=tertiary >> and the default style ignores them. >> >> In high-prec-coords branch r3003 I've fixed 1) to 3), please >> check again. >> >> Gerd >> >> >> >> > Date: Mon, 3 Feb 2014 13:01:40 -0800 >> > From: > gpetermann_muenchen@ >> > To: > mkgmap-dev at .org >> > Subject: Re: [mkgmap-dev] Problem with turn restriction >> > >> > WanMil wrote >> > >> I want to make a small statistic why restriction relations become >> > >> invalid. Maybe the problem is so seldom that it's not worthy... >> > > >> > > I have made a short stat with the high-prec branch: >> > > There are around 850 relations that are valid >> > > (RestrictionRelation.isValid() == true) after loading but that are >> not >> > > valid when the StyledConverter calls >> > > RestrictionRelations.convertRelation(MapCollector ...). >> > > So it seems to me as if the problem is greater than expected. >> > >> > Yes, sounds too much. The only good case that I can think of >> > is that the relation is saved by splitter because one of the >> > related ways has at least one point within the boundary, but >> > another part of the relation is outside of the boundary. >> > If the via node is within the tile boundary we should be able >> > to create the restriction. >> > >> > Gerd >> > >> > >> > >> > -- >> > View this message in context: >> http://gis.19327.n5.nabble.com/Problem-with-turn-restriction-tp5795049p5795167.html >> > Sent from the Mkgmap Development mailing list archive at Nabble.com. >> > _______________________________________________ >> > mkgmap-dev mailing list >> > > mkgmap-dev at .org >> > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev >> >> >> _______________________________________________ >> mkgmap-dev mailing list >> > mkgmap-dev at .org >> http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev >> > > > _______________________________________________ > mkgmap-dev mailing list > mkgmap-dev at .org > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev > > relation_check.patch (1K) > <http://gis.19327.n5.nabble.com/attachment/5795291/0/relation_check.patch> > areas.list (14K) > <http://gis.19327.n5.nabble.com/attachment/5795291/1/areas.list> > relation_problems.txt (71K) > <http://gis.19327.n5.nabble.com/attachment/5795291/2/relation_problems.txt> -- View this message in context: http://gis.19327.n5.nabble.com/Problem-with-turn-restriction-tp5795049p5795294.html Sent from the Mkgmap Development mailing list archive at Nabble.com.
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