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From: Martin Brown <'''newspam'''@nonad.co.uk>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Escaping special characters into titles/axis labels
Date: Fri, 19 Mar 2021 16:13:07 +0000
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Xref: csiph.com comp.graphics.apps.gnuplot:4395

I'm new to gnuplot and find it very powerful but there are a couple of 
fairly simple things that I just can't see how to do.

One is to escape in the greek symbol "alpha", "beta","theta" or "pi" or 
equivalently to tell the axis scaling logic that I would like an axis to 
scaled in fractions of pi. I can rename the variables but pi is well pi!

The compromise I have settled on for now is to plot the results on the 
range -1 to 1 and label the axis as theta/pi since I don't know and 
can't figure out how to escape it in. I tried \pi a la TeX.

I have also tried various suggestions I found online {/Symbol p} and I 
do get an unprintable character displayed as a "?" but nothing more 
terminal type is "qt" enhanced.

Thanks for any enlightenment on how to show Greek letters on graphs.

I was initially confused by the distinction when in mono mode between 
set mono linetype and set linetype. It all worked OK once I remembered 
to explicitly specify set mono linetype.

A few more distinct defined mono linetypes wouldn't go amiss in the 
default distribution. 5 seems a bit mean given that they are a bit 
tricky to alter. Seems to me when terminal is in mono mode the "mono" 
linetype settings should be the ones that get changed by set linetype.

-- 
Regards,
Martin Brown