R: [mkgmap-dev] [PATCH v2] - beware of the bollards!

Tue Jul 7 19:03:23 BST 2009

-- Mar 7/7/09, Mark Burton <markb at ordern.com> ha scritto:

> Da: Mark Burton <markb at ordern.com>
> Oggetto: Re: R: [mkgmap-dev] [PATCH v2] - beware of the bollards!
> A: mkgmap-dev at lists.mkgmap.org.uk
> Data: Martedì 7 luglio 2009, 18:38
> 
> Hi Marco,
> 
> > Mark, the wiki page about restrictions
> > 
> > http://wiki.openstreetmap.org/wiki/Relation:restriction
> > 
> > says I can put a key except with the following
> values/meaning:
> > 
> > except - psv/bicycle/hgv/motorcar - The restriction
> does not apply to these vehicle types (more than one:
> except=bicycle;psv) 
> > 
> > So do you mean that mkgmap does not actually
> support/handle the except key in a relation restriction?
> 
> Err, no - sorry.
> 
> Almost certainly, there is some Garmin magic to express
> such an
> exception but we don't know about it!
> 

Mark, my last post about this issue, since I really know too little about garmin IMG and mkgmap.

I thought that the restriction relations were utilized in the routing IMG data base exacly as the way access tags.

I thought both were utilized by mkgmap to build the same access vector (the per vehicle access vector).

Maybe I'm wrong in this and access restrictions and turn restrictions are used in different parts of the IMG file stucture.

Ciao.

> Cheers,
> 
> Mark
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