[mkgmap-dev] Need some information about routing

Sat Jul 7 11:05:11 BST 2018

Could the extra routing nodes cause a time penalty in the routing
algorithm, in a similar way that 'sharp-angle-fixer' attempts to deal
with?

Ticker

On Sat, 2018-07-07 at 08:01 +0000, Gerd Petermann wrote:
> Hi Manfred,
> 
> If you created the two maps from exactly the same input files and
> with the same options reg. routing I assume that this is caused by
> the differences in the two lines files. Can't say more without
> knowing the exact input data and options for mkgmap.
> 
> Gerd
> 
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> von Manfred Haiduk <mhaiduk at t-online.de>
> Gesendet: Dienstag, 3. Juli 2018 16:35:21
> An: mkgmap-dev at lists.mkgmap.org.uk
> Betreff: [mkgmap-dev] Need some information about routing
> 
> Hi all
> 
> I've stumbeled about a small routing problem. I do create two types
> of
> maps, one is called "myland" with nearly all informations to be found
> in
> OSM, the other is called "mystreet" which do mainly show all streets
> but
> less information about the surrounding. The two 'lines' files in the
> appropriate styles are nearly same, except that for the street map
> all
> the ways not suitable for automotive driving are not rendered.
> 
> My question is, using the same destination in either map, the routing
> is
> slightly different in my Garmin 276Cx. For example, routing in the
> land
> map uses some grade1 tracks within a forest, the street map does not.
> But the tracks are  to be find in both maps. Anyone an idea, why this
> is
> computed differently in the device ?
> 
> See also attached pictures
> 
> --
> 
>   Mit freundlichen Grüßen
> 
> #####################################################
> Manfred Haiduk,
> Zum Fischbach 9,
> 52393 Hürtgenwald
> e-mail mhaiduk at t-online.de
> #####################################################
> 
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