On 4/22/08, David Winsemius <[EMAIL PROTECTED]> wrote: > Karin Lagesen <[EMAIL PROTECTED]> wrote in > news:[EMAIL PROTECTED]: > > > > I am using the code example from the R graph gallery to look at a > > cloud plot: > > > > require(lattice) > > data(iris) > > print(cloud(Sepal.Length ~ Petal.Length * Petal.Width, data = iris, > > groups = Species, screen = list(z = 20, x = -70), > > perspective = FALSE, > > key = list(title = "Iris Data", x = .15, y=.85, corner = > > c(0,1), border = TRUE, > > points = Rows(trellis.par.get("superpose.symbol"), 1:3), > > text = list(levels(iris$Species))))) > > > > Now, in the example on the webpage this comes out with a nice gray > > background that makes things easier to see. Mine comes out with a > > white, potentially transparent background and also the point colors > > have changed. > > > > How do I get the nice gray color back? > > > I think the grey obscures the plot, but with some searching of the help > files, displaying the rather extensive list from > trellis.par.get(name = NULL) ... and then finding "Graphical > Parameters for Trellis Displays", this seems to do what's desired, ... > > background <- trellis.par.get("background") > background$col <- "grey" > trellis.par.set("background", background)
That is NOT the recommended approach, as it does not change the other colors, which are designed to go well with a white or light background, not a grey background. Using standard.theme() gives you a more coherent collection of parameters. -Deepayan ______________________________________________ [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.
