Hello to all,
using a standard python install on Ubuntu 10.04 the example fails to
produce a figure.
Python 2.6.5 (r265:79063, Apr 16 2010, 13:09:56)
[GCC 4.4.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import matplotlib
>>> matplotlib.__version__
'0.99.1.1'
Test case in python:
from numpy import sin, cos
import matplotlib
import matplotlib.pyplot as plt
plt.matplotlib.rc('text', usetex = True)
import pylab
fig = plt.figure()
ax = fig.add_subplot(111)
t = pylab.linspace(0,10,400)
ax.plot(t, sin(3*t), '-',
t, sin(0.3*t**2), '--',
t, cos(t), '-.')
ax.legend((r'$A^{\omega}$', r'$A^{2\omega}$', r'$A^{3\omega}$'),
shadow = False, loc = (0.75, 0.1))
ax.set_xlabel(r'$\gamma_1 + \gamma_2$', {'fontsize' : 20 })
ax.set_ylabel(r'$A^{n\omega}$ (dB)', {'fontsize' : 20 })
fig.savefig(filename='test.pdf')
This leads to the following traceback:
Traceback (most recent call last):
File "test.py", line 18, in <module>
fig.savefig(filename='test.pdf')
File "/usr/lib/pymodules/python2.6/matplotlib/figure.py", line 1032,
in savefig
self.canvas.print_figure(*args, **kwargs)
File "/usr/lib/pymodules/python2.6/matplotlib/backend_bases.py", line
1476, in print_figure
**kwargs)
File "/usr/lib/pymodules/python2.6/matplotlib/backend_bases.py", line
1334, in print_pdf
return pdf.print_pdf(*args, **kwargs)
File
"/usr/lib/pymodules/python2.6/matplotlib/backends/backend_pdf.py", line
2025, in print_pdf
self.figure.draw(renderer)
File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 46, in
draw_wrapper
draw(artist, renderer, *kl)
File "/usr/lib/pymodules/python2.6/matplotlib/figure.py", line 773,
in draw
for a in self.axes: a.draw(renderer)
File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 46, in
draw_wrapper
draw(artist, renderer, *kl)
File "/usr/lib/pymodules/python2.6/matplotlib/axes.py", line 1735, in
draw
a.draw(renderer)
File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 46, in
draw_wrapper
draw(artist, renderer, *kl)
File "/usr/lib/pymodules/python2.6/matplotlib/axis.py", line 742, in draw
tick.draw(renderer)
File "/usr/lib/pymodules/python2.6/matplotlib/artist.py", line 46, in
draw_wrapper
draw(artist, renderer, *kl)
File "/usr/lib/pymodules/python2.6/matplotlib/axis.py", line 196, in draw
self.label1.draw(renderer)
File "/usr/lib/pymodules/python2.6/matplotlib/text.py", line 553, in draw
self._fontproperties, angle)
File
"/usr/lib/pymodules/python2.6/matplotlib/backends/backend_pdf.py", line
1431, in draw_tex
psfont = self.tex_font_mapping(dvifont.texname)
File
"/usr/lib/pymodules/python2.6/matplotlib/backends/backend_pdf.py", line
1264, in tex_font_mapping
dviread.PsfontsMap(dviread.find_tex_file('pdftex.map'))
File "/usr/lib/pymodules/python2.6/matplotlib/dviread.py", line 668,
in __init__
self._parse(file)
File "/usr/lib/pymodules/python2.6/matplotlib/dviread.py", line 701,
in _parse
self._register(words)
File "/usr/lib/pymodules/python2.6/matplotlib/dviread.py", line 727,
in _register
assert encoding is None
AssertionError
I assume that the errors happens during parsing of the file 8r.enc
(http://tug.org/fontname/8r.enc). This file belongs to TexLive 2010 and
can also be found identically in MikTeX 2.9. I could only reproduce the
error in Linux so far. Any help would be appreciated.
Alexander
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