On Thu, May 2, 2013 at 11:19 AM, Michael Droettboom <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!
Thanks again!
-paul
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