On Monday 23 June 2008 13:25:19 John Hunter wrote:
> On Mon, Jun 23, 2008 at 11:58 AM, Erik Tollerud <[EMAIL PROTECTED]>
wrote:
> > Hmm... ok, so it is possible to pass some of the text in a plot
> > through TeX, but not all of the text? That's what the text.markup rc
> > parameter seems to be about, but I get an error saying that its an
> > unrecognized key if I use it...
>
> No, it's all or none. But with usetex=False you can use mathtext to
> format your labels, and then only the stuff in $$ will get formatted
> as math using the matplotlib fonts and math layout engine.
>
> > I could have sworn I saw a post way back where someone managed to get
> > the tick numbers to be bold when usetex was on, but I've forgotten how
> > it was done and can't find the post now. Anyway, it's possible that
> > I'd turned usetex off as a test and not been paying close attention to
> > turning it back on...
>
> You should be able to do this with a custom formatter::
>
> import matplotlib.ticker as ticker
>
> fmtbld = ticker.FormatStrFormatter(r'$\textbf{%1.2f}$')
> ax.xaxis.set_major_formatter(fmtbld)
>
> You should also be able to use textbf in the title, xlabel and ylabel.
>
> Of course, for this simple solution, you have to hard-code your
> precision. To take advantage of all the logic in
> ticker.ScalarFormatter, you could inherit from it and override some
> key pieces. But it might be better if we provide some hooks for you.
>
> Darren, in ScalarFormatter.set_format, we have code like::
>
> if self._usetex:
> self.format = '$%s$' % self.format
> elif self._useMathText:
> self.format = '$\mathdefault{%s}$' % self.format
>
> We could consider exposing a font setting here. Something along the lines
> of
>
> self.fontcommand = None
> if self._usetex:
> if self.fontcommand = None:
> self.format = '$%s$' % self.format
> else:
> self.format = '$%s{%s}$' % (self.fontcommand, self.format)
>
> Then the user could do::
>
> formatter = ticker.ScalarFormatter()
> formatter.fontcommand = r'\mathbf'
>
> and something similar for mathtext.
I'm not excited about adding user-accessible, usetex-specific properties and
methods to classes outside of rcParams. It was a fair amount of work
integrating as much customizability as we have now via rcParams, but we don't
have the resources to support all the font properties in rcParams in usetex. I
think it would be best to just use a custom formatter for this.
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