[R] What name-value pairs can be used in gpar()?
p.murrell at auckland.ac.nz
Wed Nov 28 00:38:35 CET 2001
> To use grid graphics with lattice, the help for gpar indicates that
> any number of named arguments can be specified but where do we find
> what names make any sense?
Sorry, hadn't got that far in the documentation yet (plus the list is not
The following should work:
"col" colour for lines and borders,
"fill" colout for filling regions,
"lty" line type
"lwd" line width
"fontsize" the size of text (in points)
"lineheight" the height of a line as a multiple of fontsize
I don't think that different font faces are implemented in the current
In the next version, the following will also work:
"font" font face
> I have ascertained that fontsize is given in points such as one
> would use in a postscript device argument and uses that same name.
> It's not as I'd have thought, something corresponding to cex in
> regular par() settings. Evidently there is a good reason for that,
> but what I'd like to know is how do I set the font to italic? And in
> general, is there a listing of what possible names can be set by
I have used "fontsize" and "lineheight" in grid because I prefer that way of
I could try including "cex" too if there was sufficient demand.
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