Am 29.01.2010 um 17:47 schrieb Christoph Wagner:
> Thilo Hannemann schrieb:
>> The reason why you need a matching polygon rule for POIs to be generated is
>> that mkgmap needs this to find out that it is a polygon.
>
> Now I really understand the problem. Would it be enough for mkgmap to specify
> a rule in polygons-file like this:
>
> building=*
>
> without any actions and typemappings, just to find out that building is a
> polygon tag and get a point out of it?
I don't know, but I think it won't work. mkgmap might complain about the
syntax, so you could try
building=* { set dummy=dosomething }
instead. But actions alone don't invoke the code for the polygon creation at
all IIRC, so that probably won't work either.
You could try to patch mkgmap so you can have a "dummy" type that won't trigger
the creation of the actual polygon. Maybe that's what happens if you specify a
type that can't be converted into any Garmin type (say 0xffffffff) anyway. So
it would be
building=* [ 0xffffff resolution 24 ]
or something like that. On the other hand - if the code checks the validity of
the Garmin type mkgmap will complain, if it doesn't check it the resulting map
will probably be broken.
Regards
Thilo
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