Re: [matplotlib-devel] First SVN commit (for me and mathtext2.py :)

[Darren D. <dd...@co...>]

Hi Edin,

I am not able to run the example when I have freefont installed=20
in /usr/local/share/fonts (although they are accessible by other programs, =
so=20
they are installed properly as far as X is concerned), but if I copy the=20
ttf's to the fonts directory in matplotlib's source, and then python setup.=
py=20
install, I am able to run your example, and have attached the resulting png=
=2E=20
Note the line is missing in the 3/2 fraction.

Darren


On Monday 21 August 2006 14:25, you wrote:
> Hmm, it looks like mpl is using the old mathtext which doesn't support
> \frac (mathtext.py) not mathtext2.py. Are you sure you put the
> following
>
> mathtext2:   True            # Needed to enable the new mathtext
>
> line in your rc file. mathtext2 is disabled by default.
>
> Hopefully I'll try tomorrow the SVN version on a Linux box.
>
> Thanks,
> Edin
>
> On 8/21/06, Darren Dale <dd...@co...> wrote:
> > Lets take this offlist for now.
> >
> > I just updated from svn, and tried running mathtext2_demo.py. I get the
> > following error:
> >
> > python mathtext2_demo.py
> > Traceback (most recent call last):
> >   File "mathtext2_demo.py", line 40, in ?
> >     savefig('mathtext_demo.png')
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/pylab.py", line
> > 811, in savefig
> >     return fig.savefig(*args, **kwargs)
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/figure.py", line
> > 671, in savefig
> >     self.canvas.print_figure(*args, **kwargs)
> >
> > File
> > "/usr/lib64/python2.4/site-packages/matplotlib/backends/backend_gtkagg.=
py
> >", line 113, in print_figure
> >     orientation, **kwargs)
> >
> > File
> > "/usr/lib64/python2.4/site-packages/matplotlib/backends/backend_agg.py",
> > line 454, in print_figure
> >     self.draw()
> >
> > File
> > "/usr/lib64/python2.4/site-packages/matplotlib/backends/backend_agg.py",
> > line 391, in draw
> >     self.figure.draw(renderer)
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/figure.py", line
> > 534, in draw
> >     for a in self.axes: a.draw(renderer)
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/axes.py", line
> > 1057, in draw
> >     a.draw(renderer)
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/text.py", line 33=
9,
> > in draw
> >     bbox, info =3D self._get_layout(renderer)
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/text.py", line 18=
6,
> > in _get_layout
> >     w,h =3D renderer.get_text_width_height(
> >
> > File
> > "/usr/lib64/python2.4/site-packages/matplotlib/backends/backend_agg.py",
> > line 244, in get_text_width_height
> >     width, height, fonts =3D math_parse_s_ft2font(
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/mathtext.py", line
> > 1579, in __call__
> >     handler.expr.set_size_info(fontsize, dpi)
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/mathtext.py", line
> > 1195, in set_size_info
> >     self.elements[0].set_size_info(self._scale*fontsize, dpi)
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/mathtext.py", line
> > 1107, in set_size_info
> >     self.metrics =3D Element.fonts.get_metrics(
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/mathtext.py", line
> > 593, in get_metrics
> >     cmfont, metrics, glyph, offset  =3D \
> >   File "/usr/lib64/python2.4/site-packages/matplotlib/mathtext.py", line
> > 613, in _get_info
> >     raise ValueError('unrecognized symbol "%s"' % sym)
> > ValueError: unrecognized symbol "\frac3"
> >
> > On Monday 21 August 2006 06:33, you wrote:
> > > On 8/21/06, Edin Salkovi=C4=87 <edi...@gm...> wrote:
> > > > If anyone is having problems with finding unicode fonts, check the
> > > > FreeFonts (FreeSerif is the one that has the most characters in it):
> > > > http://download.savannah.gnu.org/releases/freefont/
> > > > http://download.savannah.gnu.org/releases/freefont/freefont-ttf-200=
60
> > > >126. tar.gz
> > > >
> > > > The only currently supported fonts are True/OpenType.
> > >
> > > Oops. I haven't had updated the _mathtext_data.py file.
> > >
> > > Darren can you check if now everything works properly (even with pfb
> > > fonts)?
> > >
> > > It turns out that mpl now ships with the BaKoMa fonts in the mpl-data
> > > dir, so I though that putting the unicode fonts there would be fine.
> > > I'll see what I can do regarding integrating mathtext2 with the
> > > current font manager.
> > > ---------------------------------------------------------------------=
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> > >2 _______________________________________________
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> >
> > --
> > Darren S. Dale, Ph.D.
> > Cornell High Energy Synchrotron Source
> > Cornell University
> > 200L Wilson Lab
> > Rt. 366 & Pine Tree Road
> > Ithaca, NY 14853
> >
> > dd...@co...
> > office: (607) 255-3819
> > fax: (607) 255-9001

=2D-=20
Darren S. Dale, Ph.D.
Cornell High Energy Synchrotron Source
Cornell University
200L Wilson Lab
Rt. 366 & Pine Tree Road
Ithaca, NY 14853

dd...@co...
office: (607) 255-3819
fax: (607) 255-9001