On 09/01/2011 09:10 PM, Michael Gilbert wrote:
> John Hunter wrote:
>
>> On Wed, Aug 31, 2011 at 8:49 PM, John Hunter<jdh2...@gmail.com> wrote:
>>
>>>> Note that I'm not subscribed to this list, so please CC me on replies.
>>> That won't work because mpl converts all tex png raster to black and
>>> white and handles color on its own in post-processing. The following
>>> does work:
> [...]
>> But since you set usetex, you shouldn't need the $ escapes and the
>> literal rm font. It should be enough to do:
>>
>> pylab.title( r'colored title wanted 2.5', color='blue' )\
> Hi,
>
> Thanks for the insight. What I'm really trying to get is multiple
> colors in the title text. For example, if mpl didn't convert all text
> to black, I would want the following to produce blue and red text:
>
> pylab.rc( 'text' , usetex=True )
> pylab.rc( 'text.latex' , preamble='\usepackage[usenames]{color}' )
> pylab.title( '\\textcolor{Blue}{blue part} \\textcolor{Red}{red part}')
>
> Is there a particular reason why mpl has to convert png colored text
> to black and white?
It works that way so that colored text can be specified by matplotlib
rather than in LaTeX, therefore the color of text doesn't change based
on the value of text.usetex. Matplotlib itself doesn't support
multi-colored text in its own simple text layout algorithm. It's
probably possible to add an rcParam that would change the behavior to
get the full color text from LaTeX and use that, but I don't think that
should be the default behavior.
Mike
--
Michael Droettboom
Science Software Branch
Space Telescope Science Institute
Baltimore, Maryland, USA
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