Really belongs o R-SIG-Mac list and have copied it there. I cannot
reproduce on my Mac. I get the same colors on the pdf file with that
code as I do on the screen device. I have in in the past needed to set
up a device before plotting:
trellis.device(device="postscript", color = TRUE) ... but you are not
using a trellis function or creating postscript.
What does utils::str(pdf.options()) return?
On mine I get this
List of 15
$ width : num 7
$ height : num 7
$ onefile : logi TRUE
$ family : chr "Helvetica"
$ title : chr "R Graphics Output"
$ fonts : NULL
$ version : chr "1.4"
$ paper : chr "special"
$ encoding : chr "default"
$ bg : chr "transparent"
$ fg : chr "black"
$ pointsize : num 12
$ pagecentre : logi TRUE
$ colormodel : chr "rgb"
$ useDingbats: logi TRUE
Perhaps this could be a cure?:
pdf.options(colormodel = "rgb")
You probably ought to update as well before raising the bug-flag.
--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
> sessionInfo()
R version 2.8.1 Patched (2009-01-19 r47650)
i386-apple-darwin9.6.0
locale:
en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
attached base packages:
[1] splines stats graphics grDevices utils datasets
methods base
other attached packages:
[1] termstrc_1.1 Design_2.1-2 Hmisc_3.5-2 survival_2.34-1
loaded via a namespace (and not attached):
[1] cluster_1.11.12 grid_2.8.1 lattice_0.17-20 tools_2.8.1
On Mar 20, 2009, at 6:47 PM, heyi xiao wrote:
I lose control on colors when I plot points with pch=1 or 16
(empty or solid circle) or any letter, say "A". For example:
x=runif(5)
y=runif(5)
pdf("plot.pdf")
plot(x, y,
type='p', pch=1, col = 1:5) #just black points
plot(x, y,
type='p', pch=0, col = 1:5) #points with different colors
dev.off()
This problem occurred for different versions of R under Mac
OS X 10.4. not sure whether this is true for other operating
systems. I used my
most basic settings of R without any special package loaded. Any
suggestions/ideas
would be appreciated.
sessionInfo()
R version 2.8.0 (2008-10-20)
powerpc-apple-darwin8.11.1
locale:
C
attached base packages:
[1] stats graphics
grDevices utils datasets methods
base
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