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[mkgmap-dev] Estrange detours

From Carlos Dávila cdavilam at orangecorreo.es on Fri Jan 6 19:09:20 GMT 2017

It doesn't make any difference for my test case in MapSource, but in 
BaseCamp routing is correct now in point 2 both for car and truck. Seems 
to be in the right way...

El 06/01/17 a las 18:04, Gerd Petermann escribió:
> It really seems to be a problem with the encoding of the bearings. I have attached a small patch which seems to fix the problem here,
> but I am pretty sure that there is more to it. The patch disables the "compacted" format of angles when an indirect arc is found.
> I have to analyse my Garmin maps to find out more.
>
> Please try if the results of the patched version are okay for you:
> http://files.mkgmap.org.uk/download/324/mkgmap.jar
>
> Gerd
>
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Gerd Petermann <GPetermann_muenchen at hotmail.com>
> Gesendet: Freitag, 6. Januar 2017 16:47:42
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Estrange detours
>
> Hi Andrzej,
>
> I cannot reproduce this problem in MapSource. In Basecamp car and truck use the correct routing,
> motorcycle is as in your picture.
> I do not yet have a good idea where to look at. I tried changing the order of objects but that did not
> change the results. Maybe there is a special case with the encoding of bearings, but I have no clue.
>
> Gerd
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Andrzej Popowski <popej at poczta.onet.pl>
> Gesendet: Freitag, 6. Januar 2017 14:44:53
> An: mkgmap-dev at lists.mkgmap.org.uk
> Betreff: Re: [mkgmap-dev] Estrange detours
>
> Hi,
>
> I have converted all trunks and primary into secondary roads and it
> didn't solve problem, so it is rather not connected to Garmin road type
> 0x02. Still rules for trunks in Spain doesn't fit well into mkgmap
> conversion, there could be other problems, like for example weird
> navigation messages.
>
> I have found another example for weird routing, where route turns form
> primary road into longer detour on service road, see picture angle2. In
> my case wrong routing is for car and motorcycle but  goes correctly for
> truck. If I change angle for service road like on picture angle2,
> routing is correct.
>
> Attached is OSM data extract and test route for BaseCamp.
>
> --
> Best regards,
> Andrzej
>
>



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