On 05/02/2013 03:16 PM, Paul Hobson wrote:
On Thu, May 2, 2013 at 11:19 AM, Michael Droettboom <md...@stsci.edu
<mailto:md...@stsci.edu>> wrote:
I think the confusion here stems from the fact that you're mixing
TeX and non-TeX font commands.
This turns on TeX mode, so all of the text is rendered with an
external TeX installation:
rc('text', usetex=True)
In this line, setting it to sans-serif will get passed along to
TeX, but a specific ttf font name can not be used by TeX, so the
second part (involving Helvetica) is ignored. And setting the
default body text in TeX does not (by default) change the math
font. This is (unfortunately standard TeX behavior).
rc('font',**{'family':'sans-serif','sans-serif':['Helvetica']})
This affects the font set used by matplotlib's internal mathtext
renderer, and has no effect on TeX:
rc('mathtext', fontset='stixsans')
The solution I use when I want all sans-serif out of TeX is to use
the cmbright package, which can be turned on by adding:
rc('text.latex', preamble=r'\usepackage{cmbright}')
That may require installing the cmbright LaTeX package if you
don't already have it.
I know all this stuff is confusing, but providing a flat interface
over both the internal text rendering and the TeX rendering isn't
really possible -- they have different views of the world -- and
I'm actually not sure it's desirable. Though I wonder if we
couldn't make it more obvious (somehow) when the user is mixing
configuration that applies to the different contexts.
Mike
Mike,
Thanks for the guidance. I know this stuff is complicated and the work
everyone has put into it to make it work is fantastic.
I now see that this was more of TeX issue than an MPL configuration
issue. Your help prompted me to find this solution (similar to yours):
mpl.rcParams['text.latex.preamble'] = [
r'\usepackage{siunitx}', # i need upright \micro symbols, but
you need...
r'\sisetup{detect-all}', # ...this to force siunitx to
actually use your fonts
r'\usepackage{helvet}', # set the normal font here
r'\usepackage{sansmath}', # load up the sansmath so that math
-> helvet
r'\sansmath'] # <- tricky! -- gotta actually tell tex to use!
Wow. That's some serious TeX voodoo magic! Want to work that into an
example that we could include in the docs?
Cheers,
Mike
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