Is dvipng on your path?
On Friday 11 May 2007 05:16:04 pm Michele Mazzucco wrote:
> Hi all,
>
> I'm running matplotlib on Mac OS X and I've set text.usetex to True in
> matplotlibrc, but if I try to run the tex_demo I get the error shown
> below. If I'm right it's a problem with dvipng:
>
> dvipng -version
> This is dvipng 1.6 Copyright 2002-2005 Jan-Ake Larsson
> dvipng 1.6
> kpathsea version 3.5.5
> Copyright (C) 2002-2005 Jan-Ake Larsson.
> There is NO warranty. You may redistribute this software
> under the terms of the GNU General Public License.
> For more information about these matters, see the files
> named COPYING and dvipng.c.
>
>
> Any idea?
>
> Thanks,
> Michele
>
> /Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packag
>es/matplotlib/__init__.py:959: UserWarning: Bad val "true" on line #123
> "text.usetex : true # use latex for all text handling. For
> more information, see"
> in file
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/mpl-data/matplotlibrc" 'NoneType' object has no attribute
> 'group'
> val, cnt, line, fname, msg))
> Traceback (most recent call last):
> File "/Users/nmm42/devel/workspace/PythonPlots/src/examples/tex_demo.py",
> line 31, in <module>
> savefig('tex_demo')
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/pylab.py", line 796, in savefig
> return fig.savefig(*args, **kwargs)
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/figure.py", line 727, in savefig
> self.canvas.print_figure(*args, **kwargs)
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/backends/backend_tkagg.py", line 187, in print_figure
> **kwargs)
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/backends/backend_agg.py", line 456, in print_figure
> self.draw()
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/backends/backend_agg.py", line 392, in draw
> self.figure.draw(renderer)
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/figure.py", line 569, in draw
> for a in self.axes: a.draw(renderer)
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/axes.py", line 1155, in draw
> a.draw(renderer)
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/axis.py", line 591, in draw
> tick.draw(renderer)
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/axis.py", line 175, in draw
> if self.label1On: self.label1.draw(renderer)
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/text.py", line 902, in draw
> Text.draw(self, renderer)
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/text.py", line 400, in draw
> bbox, info = self._get_layout(renderer)
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/text.py", line 246, in _get_layout
> line, self._fontproperties, ismath=self.is_math_text())
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/backends/backend_agg.py", line 239, in get_text_width_height
> texmanager = self.get_texmanager()
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/backend_bases.py", line 415, in get_texmanager
> from matplotlib.texmanager import TexManager
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/texmanager.py", line 61, in <module>
> class TexManager:
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/texmanager.py", line 83, in TexManager
> dvipngVersion = get_dvipng_version()
> File
> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packa
>ges/matplotlib/texmanager.py", line 58, in get_dvipng_version
> raise RuntimeError('Could not obtain dvipng version')
> RuntimeError: Could not obtain dvipng version
>
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