I got this but the spacing is all wrong and plotmath() seems to have no
way to do kernning or overprinting. I'm surprised Paul didn't
generalize the hat()-type functionality.
ggplot(data, aes(x=X)) + geom_line(aes(y = Z), size=0.43) +
xlab(expression(atop("\U0308",Omega)))
ggplot(data, aes(x=X)) + geom_line(aes(y = Z), size=0.43) +
xlab(expression(atop("\U0308",omega)))
On 5/14/2017 11:18 AM, Ranjan Maitra wrote:
On Sun, 14 May 2017 09:08:46 -0700 David Winsemius <dwinsem...@comcast.net>
wrote:
On May 14, 2017, at 8:43 AM, Ranjan Maitra <mai...@email.com> wrote:
Thanks, Duncan!
This works for the particular case and is, to my mind, a great solution!
However, I was wondering: is it possible to use these double dots with another
character, such as omega?
I apologize for changing the question somewhat, but I did not realize earlier
that there were separate codes for putting double dots over different letters
and I thought that figuring out the simpler question would be enough for me to
figure out the next step.
I think you should be looking for a LaTeX solution. There is a
tikzDevice-package.
This says you can assemble symbols with backspaces:
https://www.stat.berkeley.edu/~partha/symbols.pdf
For instance, LATEX defines \hbar (“~”) as a “¯” character (\mathchar’26)
followed by a backspace of 9 math units (\mkern-9mu), followed by the letter
“h”:
The second example in ?tikz, which could be a starting point for completing
your task fails on my Mac by only displaying the names of the glyphs but not
the glyphs themselves in the plot, but it might have a better chance of
succeeding on a Linux box.
Thanks! I was trying to avoid using tikz but I guess that there may well be no
other alternative.
Best wishes,
Ranjan
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