Am Montag, 10. Juni 2024, 15:53:19 MESZ schrieb Wolfgang Schuster:
> Gerion Entrup schrieb am 10.06.2024 um 13:16:
> > Hi,
> > 
> > I'd like to scale something (actually a symbol drawn in TikZ) to the exact
> > high of the char 'M'. I found the scale environment for it but struggle to
> > measure the correct font height. I found the "definemeasure/measure/measured"
> > commands but they define a dimension and are not for doing measurements on
> > rendered text. Is there a simple way to get the height a char as a dimension?
> > 
> > MWE:
> > ```
> > \starttext
> > % Is it possible to replace 1cm with a common expression?
> > This is the letter M. \scale[height=1cm]{a} should have the exact same size as
> > M.
> > 
> > This should also be true {\tfc with a bigger M. \scale[height=1cm]{a}}.
> > \stoptext
> > ```
> 
> \starttext
> M\scale[height=\heightofstring{M}]{a}M
> \stoptext
> 
> Wolfgang
> 

Thank you all! Added to the wiki: https://wiki.contextgarden.net/Dimensions

Gerion