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[mkgmap-dev] [PATCH] fix for "pink line of death" bug in routing

From Carlos Dávila cdavilam at jemila.jazztel.es on Mon Feb 9 18:29:28 GMT 2009

Mark Burton escribió:
> Hi Paul,
>
>   
>> r865 works for me. Just thought I'd let you know.
>>
>> All of the pink lines of death around where I work have now disappeared.
>>     
>
> That's great.
>
>   
>> As suggested below I have set $rnod to 30 in osm2mp.pl
>>     
>
> I have now determined the max number of nodes in a way that I can
> have before a particular route on a particular map goes wrong on an
> etrex vista. The max number is 18. So, while 30 may work in other
> situations, it won't work for all maps/routes/gps's.
>   
I can confirm that while with rnod=30 I still had some lines of death,
they seem to have disappeared reducing it to 18.
Thanks for the point.
Carlos
> I don't believe there is a huge cost in space/speed if you break a way
> into segments that have fewer routing nodes. After all, a large
> proportion of the roads in the map will only have a few routing nodes
> anyway, so partitioning a relatively small number of roads into segments
> should have little impact on resource usage.
>
> Cheers,
>
> Mark




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