[Matplotlib-users] TeX \textcolor in plot title: (why) does it only work for .ps output?

[Xiha <xi...@la...>]

Hello,

I am trying to color-highlight parts of a figure title. I got it to work 
via the second ('non-interactive') solution given here 
<http://stackoverflow.com/questions/9169052/partial-coloring-of-text-in-matplotlib>, 
using TeX's \textcolor. It has the advantage (over the first solution) 
that you can use .xlabel(), .title() etc. as usual.

However the limitation stated is that it only works when saving the plot 
as a PostScript file. I'm finding this to be true: the coloring does not 
appear when plotting to the screen rather than to a file (as with 
.show()), nor when using matplotlib.use('SVG') or matplotlib.use('AGG') 
to get svg or png output (which I would prefer). This is so even though 
other 'fancy' TeX commands like \mathcal do seem to work in all output 
options.

I am only minimally acquainted with (La)TeX, and fairly new to Python 
and matplotlib too, so I don't quite grasp what is going on here, and 
whether it is worth digging deeper to try and make it work. So: why is 
there a difference in success between using (e.g.) \mathcal versus 
\textcolor over different output options?

Many thanks!
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