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Re: [Matplotlib-users] Problem with importing LaTeX package amsmath and $\text{}$
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From: Pawel C. <cho...@li...> - 2013-03-30 15:29:27
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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. 2013/3/30 Phil Elson <pel...@gm...> > Doesn't look like you're using math.usetex & therefore are not actually > using latex, but mpl's stripped down tex implementation. > > Try setting usetex to True, or alternatively I think you could use \mathrm > instead of \text to get non mathematical text. > > HTH > > > On 30 March 2013 11:43, Pawel Chojnacki <cho...@li...> wrote: > >> Hello, >> >> I've been having some troubles with LaTeX in matplotlib. My example >> script: >> >> #!/usr/bin/env python2 >> #-*- coding: utf-8 -*- >> >> __author__ = 'Pawel Chojnacki' >> __copyright__ ='Copyleft 2013 Pawel Chojnacki' >> __version__ = '1.0' >> __date__ = '29-03-2013' >> __license__ = 'GPLv3' >> >> import numpy as np >> import matplotlib as mpl # Zmiana ustawien LaTeXa >> mpl.rcParams['text.latex.preamble'].append(r'\usepackage{amsmath}') >> #~ mpl.rcParams['text.latex.preamble'] = r'\usepackage{amsmath}' >> #~ mpl.rcParams['text.latex.preamble']=[r"\usepackage{amsmath}"] >> #~ mpl.rcParams['math.usetex'] = True >> print mpl.rcParams['text.latex.preamble'] >> import pylab as py >> >> py.axhspan(8400,8730,alpha=0.15) >> py.title(u'Wyniki eksperymentu pomiaru gęstości ciała >> stałego\n',size='large',family='serif') >> py.ylabel((u'Gęstość ciała stałego ' + >> r'$\frac{kg}{m^3}$'),size='large',family='serif') >> #~ py.ylabel((r'$\text{lol}$'),size='large',family='serif') >> py.ylabel((r'$\text{lol}$'),size='large',family='serif') >> py.xlabel(u'Metoda pomiaru',size='large',family='serif') >> py.grid(True) >> py.show() >> >> Gives me the following output: >> >> ['', '\\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/axis.py", line 1054, in >> draw >> self.label.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 193, in get_text_width_height_descent >> self.mathtext_parser.parse(s, self.dpi, prop) >> File "/usr/lib/pymodules/python2.7/matplotlib/mathtext.py", line 2999, >> in parse >> box = self._parser.parse(s, font_output, fontsize, dpi) >> File "/usr/lib/pymodules/python2.7/matplotlib/mathtext.py", line 2357, >> in parse >> self._expression.parseString(s) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 1048, >> in parseString >> loc, tokens = self._parse( instring, 0 ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 981, >> in _parseCache >> value = self._parseNoCache( instring, loc, doActions, callPreParse ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 924, >> in _parseNoCache >> loc,tokens = self.parseImpl( instring, preloc, doActions ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 2559, >> in parseImpl >> return self.expr._parse( instring, loc, doActions, callPreParse=False >> ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 981, >> in _parseCache >> value = self._parseNoCache( instring, loc, doActions, callPreParse ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 924, >> in _parseNoCache >> loc,tokens = self.parseImpl( instring, preloc, doActions ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 2307, >> in parseImpl >> loc, exprtokens = e._parse( instring, loc, doActions ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 981, >> in _parseCache >> value = self._parseNoCache( instring, loc, doActions, callPreParse ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 924, >> in _parseNoCache >> loc,tokens = self.parseImpl( instring, preloc, doActions ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 2672, >> in parseImpl >> loc, tokens = self.expr._parse( instring, loc, doActions, >> callPreParse=False ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 981, >> in _parseCache >> value = self._parseNoCache( instring, loc, doActions, callPreParse ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 924, >> in _parseNoCache >> loc,tokens = self.parseImpl( instring, preloc, doActions ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 2307, >> in parseImpl >> loc, exprtokens = e._parse( instring, loc, doActions ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 981, >> in _parseCache >> value = self._parseNoCache( instring, loc, doActions, callPreParse ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 924, >> in _parseNoCache >> loc,tokens = self.parseImpl( instring, preloc, doActions ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 2416, >> in parseImpl >> ret = e._parse( instring, loc, doActions ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 981, >> in _parseCache >> value = self._parseNoCache( instring, loc, doActions, callPreParse ) >> File "/usr/lib/pymodules/python2.7/matplotlib/pyparsing.py", line 950, >> in _parseNoCache >> tokens = fn( instring, tokensStart, retTokens ) >> File "/usr/lib/pymodules/python2.7/matplotlib/mathtext.py", line 2050, >> in raise_error >> raise ParseFatalException(msg + "\n" + s) >> ParseFatalException: Expected end of math '$' >> $\text{lol}$ (at char 0), (line:1, col:1) >> >> And a blank window. The same line - $\text{lol}$ works pretty well in >> pure LaTeX. While the package seems loaded, matplotlib doesn't send the >> command as it's supposed to. Why is that? >> >> Thanks in advance, >> >> Pawel >> >> >> >> ------------------------------------------------------------------------------ >> Own the Future-Intel(R) Level Up Game Demo Contest 2013 >> Rise to greatness in Intel's independent game demo contest. Compete >> for recognition, cash, and the chance to get your game on Steam. >> $5K grand prize plus 10 genre and skill prizes. Submit your demo >> by 6/6/13. http://altfarm.mediaplex.com/ad/ck/12124-176961-30367-2 >> _______________________________________________ >> Matplotlib-users mailing list >> Mat...@li... >> https://lists.sourceforge.net/lists/listinfo/matplotlib-users >> >> > |
