I tested it under Linux now, and I see your problem. The latex files don't
compile cleanly, this is why you get the
error. You can find the .tex files under ~./matplotlib/tex.cache
It looks like you have a problem with the font encoding when using unicode
characters.
This works for me under Linux and Windows:
import numpy as np
import matplotlib as mpl
mpl.rcParams['text.latex.preamble'] = [r'\usepackage{amsmath}' ,
r'\usepackage[T1]{fontenc}']
mpl.rcParams['text.latex.unicode'] = True
mpl.rcParams['text.usetex'] = True
import pylab as py
py.axhspan(8400,8730,alpha=0.15)
py.title(u'Wyniki eksperymentu pomiaru gęstości ciała
stałego',size='large',family='serif')
py.ylabel(r'$\text{lol}$',size='large',family='serif')
py.grid(True)
py.show()
Am 30.03.2013 22:15, schrieb Pawel Chojnacki:
> 2013/3/30 Juergen Hasch <[email protected] <mailto:[email protected]>>
>
> Am 30.03.2013 16:29, schrieb Pawel Chojnacki:
> > Please pardon me, but what object is math.usetex attribute of? I can't
> find it in the documentation.
> >
> > http://matplotlib.org/users/usetex.html Mentions only text.usetex.
> >
> >
>
> You need to set
> mpl.rcParams['text.usetex'] = True
>
> For text you need unicode, for latex raw encoding.
> To have text and latex in one line, use
> xlabel(u'Häallo '+r'$\varphi$'+ 'r')
>
> Works for me, at least.
>
>
> I've already tried that, and I got the response:
>
> ['', '\\usepackage{amsmath}']
> Exception in Tkinter callback
> Traceback (most recent call last):
> File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1437, in __call__
> return self.func(*args)
> File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py",
> line 236, in resize
> self.show()
> File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py",
> line 239, in draw
> FigureCanvasAgg.draw(self)
> File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_agg.py",
> line 421, in draw
> self.figure.draw(self.renderer)
> File "/usr/lib/pymodules/python2.7/matplotlib/artist.py", line 55, in
> draw_wrapper
> draw(artist, renderer, *args, **kwargs)
> File "/usr/lib/pymodules/python2.7/matplotlib/figure.py", line 898, in draw
> func(*args)
> File "/usr/lib/pymodules/python2.7/matplotlib/artist.py", line 55, in
> draw_wrapper
> draw(artist, renderer, *args, **kwargs)
> File "/usr/lib/pymodules/python2.7/matplotlib/axes.py", line 1997, in draw
> a.draw(renderer)
> File "/usr/lib/pymodules/python2.7/matplotlib/artist.py", line 55, in
> draw_wrapper
> draw(artist, renderer, *args, **kwargs)
> File "/usr/lib/pymodules/python2.7/matplotlib/text.py", line 526, in draw
> bbox, info = self._get_layout(renderer)
> File "/usr/lib/pymodules/python2.7/matplotlib/text.py", line 309, in
> _get_layout
> ismath=ismath)
> File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_agg.py",
> line 188, in get_text_width_height_descent
> renderer=self)
> File "/usr/lib/pymodules/python2.7/matplotlib/texmanager.py", line 606, in
> get_text_width_height_descent
> dvifile = self.make_dvi(tex, fontsize)
> File "/usr/lib/pymodules/python2.7/matplotlib/texmanager.py", line 351, in
> make_dvi
> texfile = self.make_tex(tex, fontsize)
> File "/usr/lib/pymodules/python2.7/matplotlib/texmanager.py", line 259, in
> make_tex
> fh.write(s)
> UnicodeEncodeError: 'ascii' codec can't encode character u'\u0119' in
> position 349: ordinal not in range(128)
>
> And after adding:
> mpl.rcParams['text.latex.preamble'].append(r'\usepackage{amsmath},\usepackage[utf8]{inputenc}')
> I got:
>
> ['', '\\usepackage{amsmath},\\usepackage[utf8]{inputenc}']
> Exception in Tkinter callback
> Traceback (most recent call last):
> File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1437, in __call__
> return self.func(*args)
> File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py",
> line 236, in resize
> self.show()
> File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py",
> line 239, in draw
> FigureCanvasAgg.draw(self)
> File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_agg.py",
> line 421, in draw
> self.figure.draw(self.renderer)
> File "/usr/lib/pymodules/python2.7/matplotlib/artist.py", line 55, in
> draw_wrapper
> draw(artist, renderer, *args, **kwargs)
> File "/usr/lib/pymodules/python2.7/matplotlib/figure.py", line 898, in draw
> func(*args)
> File "/usr/lib/pymodules/python2.7/matplotlib/artist.py", line 55, in
> draw_wrapper
> draw(artist, renderer, *args, **kwargs)
> File "/usr/lib/pymodules/python2.7/matplotlib/axes.py", line 1997, in draw
> a.draw(renderer)
> File "/usr/lib/pymodules/python2.7/matplotlib/artist.py", line 55, in
> draw_wrapper
> draw(artist, renderer, *args, **kwargs)
> File "/usr/lib/pymodules/python2.7/matplotlib/axis.py", line 1042, in draw
> ticklabelBoxes, ticklabelBoxes2 = self._get_tick_bboxes(ticks_to_draw,
> renderer)
> File "/usr/lib/pymodules/python2.7/matplotlib/axis.py", line 993, in
> _get_tick_bboxes
> extent = tick.label1.get_window_extent(renderer)
> File "/usr/lib/pymodules/python2.7/matplotlib/text.py", line 747, in
> get_window_extent
> bbox, info = self._get_layout(self._renderer)
> File "/usr/lib/pymodules/python2.7/matplotlib/text.py", line 309, in
> _get_layout
> ismath=ismath)
> File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_agg.py",
> line 188, in get_text_width_height_descent
> renderer=self)
> File "/usr/lib/pymodules/python2.7/matplotlib/texmanager.py", line 606, in
> get_text_width_height_descent
> dvifile = self.make_dvi(tex, fontsize)
> File "/usr/lib/pymodules/python2.7/matplotlib/texmanager.py", line 371, in
> make_dvi
> string:\n%s\nHere is the full report generated by LaTeX: \n\n'%
> repr(tex)) + report)
> RuntimeError: LaTeX was not able to process the following string:
> '$0.2$'
> Here is the full report generated by LaTeX:
>
> This is pdfTeX, Version 3.1415926-2.4-1.40.13 (TeX Live 2012/Debian)
> restricted \write18 enabled.
> entering extended mode
> (./d9d8962c45871ca6b62e5d3dffbe49ab.tex
> LaTeX2e <2011/06/27>
> Babel <v3.8m> and hyphenation patterns for english, dumylang, nohyphenation,
> po
> lish, loaded.
> (/usr/share/texlive/texmf-dist/tex/latex/base/article.cls
> Document Class: article 2007/10/19 v1.4h Standard LaTeX document class
> (/usr/share/texlive/texmf-dist/tex/latex/base/size10.clo))
> (/usr/share/texlive/texmf-dist/tex/latex/type1cm/type1cm.sty)
> (/usr/share/texlive/texmf-dist/tex/latex/psnfss/helvet.sty
> (/usr/share/texlive/texmf-dist/tex/latex/graphics/keyval.sty))
> (/usr/share/texlive/texmf-dist/tex/latex/psnfss/courier.sty)
> (/usr/share/texlive/texmf-dist/tex/latex/base/textcomp.sty
> (/usr/share/texlive/texmf-dist/tex/latex/base/ts1enc.def))
> (/usr/share/texlive/texmf-dist/tex/latex/amsmath/amsmath.sty
> For additional information on amsmath, use the `?' option.
> (/usr/share/texlive/texmf-dist/tex/latex/amsmath/amstext.sty
> (/usr/share/texlive/texmf-dist/tex/latex/amsmath/amsgen.sty))
> (/usr/share/texlive/texmf-dist/tex/latex/amsmath/amsbsy.sty)
> (/usr/share/texlive/texmf-dist/tex/latex/amsmath/amsopn.sty))
>
> ! LaTeX Error: Missing \begin{document}.
>
> See the LaTeX manual or LaTeX Companion for explanation.
> Type H <return> for immediate help.
> ...
>
> l.9 \usepackage{amsmath},
> \usepackage[utf8]{inputenc}
> (/usr/share/texlive/texmf-dist/tex/latex/base/inputenc.sty
> (/usr/share/texlive/texmf-dist/tex/latex/base/utf8.def
> (/usr/share/texlive/texmf-dist/tex/latex/base/t1enc.dfu)
> (/usr/share/texlive/texmf-dist/tex/latex/base/ot1enc.dfu)
> (/usr/share/texlive/texmf-dist/tex/latex/base/omsenc.dfu)
> (/usr/share/texlive/texmf-dist/tex/latex/base/ts1enc.dfu)))
> (/usr/share/texlive/texmf-dist/tex/latex/geometry/geometry.sty
> (/usr/share/texlive/texmf-dist/tex/generic/oberdiek/ifpdf.sty)
> (/usr/share/texlive/texmf-dist/tex/generic/oberdiek/ifvtex.sty)
> (/usr/share/texlive/texmf-dist/tex/generic/ifxetex/ifxetex.sty)
>
> Package geometry Warning: Over-specification in `h'-direction.
> `width' (5058.9pt) is ignored.
>
>
> Package geometry Warning: Over-specification in `v'-direction.
> `height' (5058.9pt) is ignored.
>
> )
> No file d9d8962c45871ca6b62e5d3dffbe49ab.aux.
> (/usr/share/texlive/texmf-dist/tex/latex/base/ts1cmr.fd)
> (/usr/share/texlive/texmf-dist/tex/latex/psnfss/ot1pnc.fd)
> *geometry* driver: auto-detecting
> *geometry* detected driver: dvips
> (/usr/share/texlive/texmf-dist/tex/latex/psnfss/ot1phv.fd) [1]
> (./d9d8962c45871ca6b62e5d3dffbe49ab.aux) )
> (see the transcript file for additional information)
> Output written on d9d8962c45871ca6b62e5d3dffbe49ab.dvi (1 page, 340 bytes).
> Transcript written on d9d8962c45871ca6b62e5d3dffbe49ab.log.
>
> And I really don't get what's happening :S
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