[mkgmap-dev] extended & routable types at different resolutions

Thu Sep 19 11:13:20 BST 2019

Routing is only in resolution 24. If you put that information into other
resolution it is ignored.

On Thu, 19 Sep 2019 at 11:51, Ticker Berkin <rwb-mkgmap at jagit.co.uk> wrote:

> Hi
>
> Not an answer to your question, but maybe relevant:
>
> The default style has, in "options":
> levels = 0:24, 1:22, 2:20, 3:18
>
> My reading of the "Style Conversion Manual" says that elements with
> a resolution between the levels are included in the higher res/lower
> level map; ie. elements with [resolution xx-23] go into the level 0
> map.
>
> So, according to this, you will be getting 2 lines on top of each other
> at the most detailed level.
>
> If this isn't the case, the manual should be clarified.
>
> Regard
> Ticker
>
> On Thu, 2019-09-19 at 00:31 -0700, nwillink wrote:
> > Hi All
> >
> > I noticed default style uses extended types for roundabouts  with a
> > matching
> > routable line. However
> > extended lines are plotted starting at a lower resolution, ie
> >
> > Resolution 24
> > junction=roundabout & (highway=trunk | highway=trunk_link) [0x0c
> > road_class=4 road_speed=2 resolution 24 continue]
> > Resoiution 18
> > junction=roundabout & (highway=trunk | highway=trunk_link) [0x10801
> > resolution 18]
> >
> > In this case it does not seem to matter if 0x0c starts at resolution
> > 24
> > rather than 18, or does it?
> >
> > Can we presume that all  routable lines only require resolution 24 ,
> > ie
> >
> > a) highway=motorway [0x100 resolution 16-20 continue] # thinnest
> >  line
> > b) highway=motorway [0x101 resolution 21-23 continue] # thinner line
> > c) highway=motorway [0x01 road_class=4 road_speed=7 resolution 24] #
> > default
> > line
> >
> > Will this affect routing across tiles ?
> >
> > At the moment I'm adding a transparent routable line to  a & b ie
> >
> > a) highway=motorway [0x100 resolution 16-20 continue] # thinnest
> >  line
> >  highway=motorway [0x17  road_class=4 road_speed=7 resolution 16-20
> > continue]
> > b) highway=motorway [0x101 resolution 21-23 continue] # thinner line
> >  highway=motorway [0x17 road_class=4 road_speed=7 resolution 21-23
> > continue]
> >
> > Any ideas?
> >
> > Thanks
> >
> > Nick
> >
> >
> >
> >
> >
> >
> > --
> > Sent from:
> > http://gis.19327.n8.nabble.com/Mkgmap-Development-f5324443.html
> > _______________________________________________
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> > mkgmap-dev at lists.mkgmap.org.uk
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-- 
Felix Hartman - Openmtbmap.org & VeloMap.org
Schusterbergweg 32/8
6020 Innsbruck
Austria - Österreich
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