[R-sig-Geo] bubble maps for Italian cities

Edzer Pebesma edzer.pebesma at uni-muenster.de
Fri Mar 23 13:10:01 CET 2012


xy =
plot(xy, cex = xy$z/mean(xy$z), col = grey(.8*xy$z/max(xy$z)), pch=16)


spplot(xy, cex = xy$z/mean(xy$z), col.regions = grey(.8*xy$z/max(xy$z)))

both plot bubbles (filled circles) with different size and different colour.

On 03/23/2012 12:02 PM, gottiannamaria at virgilio.it wrote:
> Dear List,
> I should prepare a series of thematic maps of Italy with some cities highlighted with bubble of different colors (to indicate different types) and others with bubble of different sizes (to indicate different amounts). I searched around a solution but to no avail. I would be very grateful if someone could give me some pointers on steps to be done. Thank you very much,
> Annamaria
> 	[[alternative HTML version deleted]]
> _______________________________________________
> R-sig-Geo mailing list
> R-sig-Geo at r-project.org
> https://stat.ethz.ch/mailman/listinfo/r-sig-geo

Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster
Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251
8333081, Fax: +49 251 8339763  http://ifgi.uni-muenster.de
http://www.52north.org/geostatistics      e.pebesma at wwu.de

More information about the R-sig-Geo mailing list