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[mkgmap-dev] Problem with turn restriction

From Gerd Petermann gpetermann_muenchen at hotmail.com on Mon Feb 3 19:22:11 GMT 2014

Hi Steve,

yes, in the branch I changed the checks so that mkgmap only  
complains when an arc starts and ends with the same node
(same node id). Maybe the solution would be to make sure
that all boundary nodes added by the clipper get unique coord instances,
so that they also get different node ids.


> From: steve at parabola.me.uk
> Date: Mon, 3 Feb 2014 18:43:37 +0000
> To: mkgmap-dev at lists.mkgmap.org.uk
> Subject: Re: [mkgmap-dev] Problem with turn restriction
> Hi
> >I am thinking how to fix the problem with the very short way and the 
> >relation. Do you think it is possible to detect that the short way 
> >consists of two points with identical Garmin coords. In this case it 
> >might be possible to change the restriction in such a way that the ways
> Today I've come to the conclusion that zero length arcs are allowed at least in some circumstances.
> Don't know if that will help. Could be that they are used for restrictions but I haven't looked into that yet.
> .. Steve
> >connected to the short way are used in the restriction instead.
> >
> >I want to make a small statistic why restriction relations become 
> >invalid. Maybe the problem is so seldom that it's not worthy...
> >
> >WanMil
> >
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> >mkgmap-dev at lists.mkgmap.org.uk
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