a concocted symbol

[Herbert Voss]

Am 30.10.21 um 22:01 schrieb Haines Brown:
> On Sat, Oct 30, 2021 at 08:01:29PM +0200, Herbert Voss wrote:
>>
>> Am 30.10.21 um 19:01 schrieb Haines Brown:
>>> I need to construct a symbol, but worry about its falling apart or
>>> becoming distorted when published.
>>>
>>> The symbol is a circle enclosing a centered "N" and is attached to an arrow
>>>    pointing right:
>>>
>>> {\footnotesize{N}}$\kern -0.785em \bigcirc\kern  -0.4em\longrightarrow$
>>>
>>> Can this  be done in a way that is simpler or is more stable?
>>
>> \documentclass{article}
>> \usepackage{graphicx}
>>
>> \newcommand\Ncircle{\ensuremath{\textcircled{\scalebox{0.8}{N}}\mkern-8mu\longrightarrow}}
>>
>> \begin{document}
>>
>> \Ncircle\Huge$\Ncircle$
>>
>>
>> \end{document}
>>
>
> Herbert. I like it! One problem is that if I compiile with pdflatex to
> get a pdf or with latex to get a dvi file, the results differ. In the
> dvi file the N breaks through the top of the circle a little. In the
> pdf the N is a bit high, but not so much as to near hi\igging the
> cirfle. When I put the code into a document I happen to be currently
> writing, the N is a bit too low. How is the mu unit measured for /mkern?
> Is it a function of the current font? If so I'll have to specify a
> monospace font


1mu = 1/18em

You can use \raisebox for the N for a better position.

Herbert