[R] Set of standard city size symbols as known from atlases?

From: Werner Wernersen <pensterfuzzer_at_yahoo.de>
Date: Thu, 20 Nov 2008 11:55:15 +0000 (GMT)


I am wondering exists a standard set of symbols to mark cities of different size classes on a map for R yet?

In a standard atlas there are symbols like small filled circles, small filled circles with an outer circle, same with small squares, etc. which mark capitals and different size classes of cities.

I know I can get different symbols with the pch option in plot but the question aims at if such more standard symbols of atlases are available.

Many thanks,

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