Hi, You could also check the book "R Graphics" by Paul Murrell. You can see an example of a map (of Australia) with some other graphs on it here:
http://www.stat.auckland.ac.nz/~paul/RGraphics/chapter7.html He also provides the source code. Hope this helps, Virgilio El dom, 04-04-2010 a las 18:27 -0500, Euan Reavie escribió: > Hello all. I have plotted a map of the Great Lakes using maptools: > > lakes <- readShapePoly('C:/grtlakes/',proj4string=CRS("+proj=longlat")) > > plot(lakes, xlim=c(-93.5,-74.5),ylim=c(41,49.5),lwd=3,new=TRUE) > > Now I want to plot small scatterplots relative to several sample > locations on the map. After an afternoon of trying I have not been > able to find a way to do this using a matrix of lat/long data (sample > locations). I was hoping I could implement something similar to the > "floating.pie" command in the plotrix package, except for scatter > plots. For an example of what I'm trying to do (using line plots) see > Fig. 1 in: > http://epa.gov/glnpo/monitoring/publications/articles/laurentian_II.pdf > > At this point I'm not concerned about crowding. If I can simply place > the small plots on a map I can figure out crowding issues later. Is > there a package that can do this, or can I work with the base package? > At this point, if i could figure out a way to assign lat/long > coordinates to a simple plot like: > > plot(sample(10,10,10)) > ...I would be happy. Any recommendations for packages, etc. would be welcome. > > -Euan > University of Minnesota Duluth. > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-geo _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo
