I don't think labels as such can be rotated. Newer versions of Tk allows
rotation in canvases but this was implemented some years after the tcltk package
was developed, so some assembly may be required. If you can extrapolate from
Python, there may be some relevant ideas in this post:
https://stackoverflow.com/questions/38008389/is-it-possible-to-have-a-vertical-oriented-button-in-tkinter
> On 17 Aug 2018, at 23:32 , Zehao Xu <z267xu at uwaterloo.ca> wrote:
>
> Dear sir (ma'am)
>
> I just start the tcltk in R. I face a problem, how to rotate the labels in
tcltk? I post the example on
https://stackoverflow.com/questions/51825771/how-to-rotate-labels-in-tcltk.
>
>
> Thank you
>
> Z Xu
>
>
>
> [[alternative HTML version deleted]]
>
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