David
On Jun 15, 2010, at 5:28 PM, Simon Urbanek wrote:
> David,
>
> which graphics device and which OS are you talking about? For Quartz
> it is the Symbol font that is used (if I remember correctly) -
> please check your Font Book and make sure it's not disabled.
>
> Cheers,
> Simon
>
>
> On Jun 15, 2010, at 5:17 PM, David Winsemius wrote:
>
>> Dear MacRs;
>>
>> I have been having this problem for a while, but thought that when
>> I updated to 2.11.1 that it might get fixed, but just did that and
>> it persists. When I use plotmath functions, I see little empty
>> boxes where I should be seeing theta's and phi's:
>>
>> require(graphics) # the first plotmath example
>> x <- seq(-4, 4, len = 101)
>> y <- cbind(sin(x), cos(x))
>> matplot(x, y, type = "l", xaxt = "n",
>> main = expression(paste(plain(sin) * phi, " and ",
>> plain(cos) * phi)),
>> ylab = expression("sin" * phi, "cos" * phi), # only 1st is
>> taken
>> xlab = expression(paste("Phase Angle ", phi)),
>> col.main = "blue")
>> axis(1, at = c(-pi, -pi/2, 0, pi/2, pi),
>> labels = expression(-pi, -pi/2, 0, pi/2, pi))
>> # -- no phi's or pi's or warnings ---
>>
>> How do I identify which library should be replaced or repaired or
>> added to my PATH or which option set?
>>
>> Have searched archives and FAQs, but maybe I'm not using same terms
>> or understanding what I am being told.
>>
>> --
>>
>> David Winsemius, MD
>> West Hartford, CT
>>
>> sessionInfo()
>> R version 2.11.1 Patched (2010-06-14 r52281)
>> x86_64-apple-darwin9.8.0
>>
>> locale:
>> [1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
>>
>> attached base packages:
>> [1] stats graphics grDevices utils datasets methods base
>>
>> other attached packages:
>> [1] lattice_0.18-8
>>
>> loaded via a namespace (and not attached):
>> [1] grid_2.11.1 tools_2.11.1
>>
>> _______________________________________________
>> R-SIG-Mac mailing list
>> R-SIG-Mac at stat.math.ethz.ch
>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>>
>>
>
David Winsemius, MD
West Hartford, CT