On Wed, 23 May 2007, Maja Schröter wrote:
> Hello everybody,
>
> I'm an absolute newbe in R, so please be gentle to me.
>
> I am looking for a german map in the package maps by Becker and Wilks.
>
> After that I want to draw the German cities from world.cities of this
> package in the map and want to draw further a line from Berlin to Munich.
>
> Has anybody an idea?
>
There is no germany-only map in the maps databases, but the following might be
close to what you want:
> library(mapdata) # the world database in the maps package
# probably isn't high enough resolution
> map("worldHires", "Germany")
> map.cities(country="Germany", minpop=1e6, capital=1)
> lines(world.cities[world.cities$name %in% c("Berlin", "Munich") &
world.cities$country=="Germany", c("long", "lat")])
>
HTH
Ray Brownrigg
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