[R] single character in R, and how to manipulate it

[Jim Lemon]

Also see the "arctext" function in the plotrix package.

Jim

On Fri, Mar 31, 2023 at 11:12 AM Jim Lemon <drjimlemon using gmail.com> wrote:
>
> Hi Jinsong,
> Maybe "srt" will do what you want. As you noted non-orthogonal
> rotations may not work on some devices. You may be able to download
> mirror fonts from places like fontmirror.com, but it more complicated.
>
> Jim
>
> On Thu, Mar 30, 2023 at 7:25 PM Jinsong Zhao <jszhao using yeah.net> wrote:
> >
> > Hi there,
> >
> >
> > I just noticed that "crt" is a graphical parameter, which is stated as follows in the help page of "par":
> > A numerical value specifying (in degrees) how single characters should be rotated. It is unwise to expect values other than multiples of 90 to work...
> >
> >
> > However, I did not find any code example to demo the usage of "crt", and even know how to present a *single character* in R. It seems that R treats "A" as a string. If I wanted to rotated it in a plot, I could use "text" function with "srt" argument. But how to use "crt"?
> >
> >
> > Another related question, how to mirror a character in R plot? For example, the mirror of "R" is something like "Я".
> >
> >
> > Any hint? Thanks in advance.
> >
> >
> > Best,
> > Jinsong
> >         [[alternative HTML version deleted]]
> >
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