In case you haven't seen this, there is an example in Paul Murrell's book that plots temperatures on a map using 'thermometer' charts. I would imagine it should be relatively straight forward to combine the floating.pie function with Paul's grid-base code (but I have not tried it myself).
http://www.stat.auckland.ac.nz/~paul/RGraphics/chapter7.html See Figure 7.18 and code -Christos Christos Hatzis, Ph.D. Nuvera Biosciences, Inc. 400 West Cummings Park Suite 5350 Woburn, MA 01801 Tel: 781-938-3830 www.nuverabio.com > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Ben Bolker > Sent: Monday, May 28, 2007 8:51 AM > To: [email protected] > Subject: Re: [R] pie chart in lattice - trellis class > > P > > Yes indeed. Thats' likely what I am going to do. Anyway, to > plot axes, > > labels of sophisticated graphs on maps may be interesting > anyway. For > > instance, we are monitoring fox and hare populations in > tens of game > > areas. Drawing observations (panel.xyplot) over time and > representing > > the trend variations (panel.loess) at the very place on the > map where > > the observations were done gives an absolutely interesting > view where > > spatial relationships between trends can be visualized. > > > > Patrick > > There is a floating.pie in the plotrix package, and a > hidden floating.pie.asp function in the ape package. I agree > that grid objects would be a more elegant way to implement these ... > (The standard argument is that "thermometers" or > mini-barplots would be a better way to view this information, > but I agree that pie charts seem familiar to people.) I have > the feeling that I've seen pie-charts-on-maps somewhere ... > searching the R Graphics Gallery for "pie" also produces the > "hexbin pie" plot (which doesn't use grid either ...) > > Ben Bolker > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
