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[mkgmap-dev] Different representations according to resolution

From Charlie Ferrero charlie at cferrero.net on Sun Oct 25 08:29:04 GMT 2009

Torsten Leistikow wrote:
> Toby Speight schrieb:
>> Also, it would be
>> nice to have roundabouts rendered in the correct colour (motorway,
>> trunk, primary, ...) but still appear as 0xc in the routing layer.
> For this problem there is an easy solution: Use multiple map layers!
> In the background (invisible) I have a routing layer, where every
> roundabout has the type 0xc.
> On top of that I have in the foreground a display layer, where every
> roundabout has the type as a normal trunk, primary or what ever.
> Gruss
> Torsten

How does the GPS decide which layer to use for routing?  Should I use 
non-routable line types for the foreground layer to avoid the GPS using 
them instead of the lines in the invisible routing layer?



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