Forgot to mention. I normally use epstopdf to convert eps files to pdf
files and the color information is stripped from the pdf file when embedded
with the color or xcolor packages from within matplotlib. But if you use,
epspdf or epspdftk on linux you can retain color information when
converting eps files to pdf files so can try that as an option.
On Wed, Aug 14, 2013 at 8:50 PM, Xiha <x...@laposte.net> wrote:
> Thanks Jeffrey. That clarifies why \mathcal works everywhere: it's handled
> by matplotlib's own parser. In contrast, for \textcolor, a call to TeX via
> the lines
>
> from matplotlib import rc
> rc('text', usetex=True)
> rc('text.latex', preamble='\usepackage{color}')
>
> is necessary.
>
> I still don't get \texcolor to work for anything other than ps. This is
> inconvenient as I'm not used to PostScript; for one thing, when I need the
> plot to be 'big' [using plt.figure(figsize=(13.0, 13.0))], the ps file
> created seems to be an A4 format with the plot not fitting onto it: it is
> shown only partially. In contrast, for pdf or svg output, the page size is
> adapted to the figure size -- but in those cases \textcolor does not work...
>
>
> On Wed 14 Aug 2013 03:34:13 CEST, Jeffrey Spencer wrote:
>
>> Have a look here why Mathcal works in all backends:
>>
>> http://matplotlib.org/users/**mathtext.html<http://matplotlib.org/users/mathtext.html>
>>
>> They give an example for an interactive backend which means it would
>> work with any output format in the link you provided. Could also use
>> \textcolor for .pdf output as well since the text rendering would use
>> TeX as well but this wouldn't get you SVG.
>>
>> On Tue, Aug 13, 2013 at 9:00 PM, Xiha <x...@laposte.net
>> <mailto:x...@laposte.net>> wrote:
>>
>> 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<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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