What version of R and OS is this? Prior to R 2.7.0 there was little
attempt to match output dimensions from various devices, and one of the
png devices in 2.7.0 has an error in doing so, fixed in R-patched (see
NEWS).
On Mon, 12 May 2008, Michael Friendly wrote:
Hi
In the following, the graph I see on the screen and the .png output
coincide. However, in the .pdf file, the fonts seem to be scaled
fairly larger, resulting in the label for the top legend disappearing.
Is this an infelicity or bug, or is there something I've missed?
More generally, how do I control the size of fonts used in legends
and axis labels?
library(car)
library(ggplot2)
qp <-qplot (education , income , shape=type , size=women , colour=prestige ,
xlab="Education" , ylab="Income", data=Prestige)
+ scale_y_continuous(limits=c(NA, 20000))
Hmm, you can't break the line before '+'.
qp + scale_size(to=c(1,8))
ggsave(file="prestige-ggplot.png", width=6, height=5) # OK
ggsave(file="prestige-ggplot.pdf", width=6, height=5) # fonts too large
I would not expect you to be able to specify a smaller size without also
reducing 'pointsize'. E.g. dev.print() does so, but ggsave seems not to.
-Michael
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