fixing the various typos in your code, this works, lat_plot() + scale_fill_manual(value=mycolours)
HTH, baptiste On 23 November 2010 19:47, John Kane <jrkrid...@yahoo.ca> wrote: > Someone was asking how to do a 16 category piechart in OpenOffice Calc and it > appears that it can not be done (which we, probably, should be happy about) > but I thought that I'd try it in ggplot2. > > It works but I then thought I'd like to make the colours more distinctive but > fro some reason I don't seem to be able to use manually assigned colours. > > Can anyone suggest where I'm going wrong? > > Thanks > > =================================================================== > > > library(ggplot2) > mypie <- data.frame(xx = c(12,13,6,7,9,10,4, 3, 8, 6, 8, 4, 6,5,2,3), > zz = letters[1:16]) > > mycolours <- c(a = "red", b = "blue", c = "green", d = "orange", e = "red", > f = "blue", g = "geen", h = "orange", i = "red", j = "blue", > k = "green", l = "orange", m = "red", n = "blue", o = "green", > p = "orange" ) > > pie1 <- ggplot(mypie, aes(x = factor(zz), fill = factor(zz))) + > geom_bar(width = 1) > pie2 <- pie + coord_polar(theta = "x") + scale_colour_brewer(Pastel1) > pie2 > > # try to get even nastier piechart with ugly colours to provide rast. > > pie3 <- pie2 + scale_colour_manual(value=mycolours) > pie > > ______________________________________________ > R-help@r-project.org 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. > ______________________________________________ R-help@r-project.org 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.