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This module supports embedded TeX expressions in matplotlib via dvipng
and dvips for the raster and postscript backends. The tex and
dvipng/dvips information is cached in ~/.matplotlib/tex.cache for reuse between
sessions
Requirements:
* latex
* \*Agg backends: dvipng
* PS backend: latex w/ psfrag, dvips, and Ghostscript 8.51
(older versions do not work properly)
Backends:
* \*Agg
* PS
* PDF
For raster output, you can get RGBA numpy arrays from TeX expressions
as follows::
texmanager = TexManager()
s = '\TeX\ is Number $\displaystyle\sum_{n=1}^\infty\frac{-e^{i\pi}}{2^n}$!'
Z = self.texmanager.get_rgba(s, size=12, dpi=80, rgb=(1,0,0))
To enable tex rendering of all text in your matplotlib figure, set
text.usetex in your matplotlibrc file (http://matplotlib.sf.net/matplotlibrc)
or include these two lines in your script::
from matplotlib import rc
rc('text', usetex=True)
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6dK d 6dL d 6dM d 6dN d! 6dO d$ 6dP d' 6dQ d 6dR d( 6dS d) 6dT d* 6Z! d? Z" dU e# g Z$ dV e D] Z% e$ d- e% q£[$ Z& d. Z' d? d/ Z( d0 Z) d1 Z* d2 Z+ d3 Z, d4 Z- e. i/ d5 Z0 d6 Z1 d7 Z2 d8 Z3 d9 Z4 d: Z5 d; Z6 d? d? d< Z7 d? d? dW d= Z8 d? d> Z9 RS(X sZ
Convert strings to dvi files using TeX, caching the results to a
working dir
s
.tex.caches tex.cachesm WARNING: found a TeX cache dir in the deprecated location "%s".
Moving it to the new default location "%s".i t cmrt t cmsst cmttt pzcs \usepackage{chancery}t serifs
sans-serift cursivet monospacet pncs \renewcommand{\rmdefault}{pnc}s new century schoolbookt pbks \renewcommand{\rmdefault}{pbk}t bookmant ptms \usepackage{mathptmx}t timest ppls \usepackage{mathpazo}t palatinos
zapf chanceryt pchs \usepackage{charter}t chartert phvs \usepackage{helvet}t helveticat pags \usepackage{avant}s avant gardet pcrs \usepackage{courier}t couriers computer modern romans computer modern sans serifs computer modern typewriters text.latex.preamblet familys font.c
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returns a filename based on a hash of the string, fontsize, and dpi
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returns a string containing font configuration for the tex preamble
( RK ( RL ( ( s; /usr/lib64/python2.6/site-packages/matplotlib/texmanager.pyt get_font_preambleÉ s c C s d i t d S( s> returns a string containing user additions to the tex preambles
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On windows, changing directories can be complicated by the presence of
multiple drives. get_shell_cmd deals with this issue.
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Generate a tex file to render the tex string at a specific font size
returns the file name
s %s.text ws {\sffamily %s}s
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\usepackage[utf8x]{inputenc}R! sø \documentclass{article}
%s
%s
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\usepackage[papersize={72in,72in}, body={70in,70in}, margin={1in,1in}]{geometry}
\pagestyle{empty}
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\fontsize{%f}{%f}%s
\end{document}
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Generate a tex file to render the tex string at a specific
font size. It uses the preview.sty to determin the dimension
(width, height, descent) of the output.
returns the file name
s %s.texRq s {\sffamily %s}s
sans-serifs {\ttfamily %s}R' s {\rmfamily %s}s text.latex.unicodes- \usepackage{ucs}
\usepackage[utf8x]{inputenc}R! s± \documentclass{article}
%s
%s
%s
\usepackage[active,showbox,tightpage]{preview}
%%\usepackage[papersize={72in,72in}, body={70in,70in}, margin={1in,1in}]{geometry}
%% we override the default showbox as it is treated as an error and makes
%% the exit status not zero
\def\showbox#1{\immediate\write16{MatplotlibBox:(\the\ht#1+\the\dp#1)x\the\wd#1}}
\begin{document}
\begin{preview}
{\fontsize{%f}{%f}%s}
\end{preview}
\end{document}
g ō?Rr sb You are using unicode and latex, but have not enabled the matplotlib 'text.latex.unicode' rcParam.R ( R` Rs RV Rt R@ R RK Ru RY Rv R R R Rw ( RL R[ R\ Rx Ry Rz R{ R| R} R^ R~ ( ( s; /usr/lib64/python2.6/site-packages/matplotlib/texmanager.pyt make_tex_preview s.
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generates a dvi file containing latex's layout of tex string
returns the file name
s text.latex.previews %s.dvis .outputs cd "%s"s( latex -interaction=nonstopmode %s > "%s"i’’’’t debugs No latex error report available.se LaTeX was not able to process the following string:
%s
Here is the full report generated by LaTeX:
t *t dviR[ ( R t make_dvi_previewR` RD R9 R: t existsR Rp R< R R R R t systemRs t readRw t IOErrort statR t OSErrort FalseR t reprt globt endswithRJ (
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generates a dvi file containing latex's layout of tex
string. It calls make_tex_preview() method and store the size
information (width, height, descent) in a separte file.
returns the file name
s %s.dvis %s.baselines .outputs cd "%s"s( latex -interaction=nonstopmode %s > "%s"i’’’’R s No latex error report available.se LaTeX was not able to process the following string:
%s
Here is the full report generated by LaTeX:
s .baselineRq t R R R[ t baseline( R` RD R9 R: R
R Rp R< R R R R R Rs R Rw R R R R t _re_vboxt searcht openRu RG t groupsR R RJ R ( RL R[ R\ Rx R t baselinefileRy R Ro R Rz R t mR ( ( s; /usr/lib64/python2.6/site-packages/matplotlib/texmanager.pyR sJ
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c C sd | i | | | } d | } t p t i i | o&| i | | } | d } | i d | i d | t i i | d t i i | d | f } t i
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generates a png file containing latex's rendering of tex string
returns the filename
s %s.pngs .outputs cd "%s"sQ dvipng -bg Transparent -D %s -T tight -o "%s" "%s" > "%s"i’’’’R s! No dvipng error report available.sc dvipng was not able to process the flowing file:
%s
Here is the full report generated by dvipng:
( R` RD R9 R: R
R Rp R< R R R R R Rs R Rw R R RJ R ( RL R[ R\ R] Rx t pngfileR R Ro R Rz R ( ( s; /usr/lib64/python2.6/site-packages/matplotlib/texmanager.pyt make_pngÆ s2
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i | d t i | } t
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i | i d | i t i | n | S( sw
generates a postscript file containing latex's rendering of tex string
returns the file name
s %s.epsfs .outputs cd "%s"s dvips -q -E -o "%s" "%s" > "%s"i’’’’R sc dvipng was not able to process the flowing file:
%s
Here is the full report generated by dvipng:
( R` RD R9 R: R
R Rp R< R R R R R Rs R R Rw RJ (
RL R[ R\ Rx t psfileR R Ro R Rz ( ( s; /usr/lib64/python2.6/site-packages/matplotlib/texmanager.pyt make_psŅ s&
c C s | i | | } t | } xN | D]F } | i d o0 g } | i d D] } | t | qP ~ Sq% Wt d | d S( sw
returns a list containing the postscript bounding box for latex's
rendering of the tex string
s %%BoundingBox:i s Could not parse %sN( R Rs R R t intR ( RL R[ R\ R t psR RO t val( ( s; /usr/lib64/python2.6/site-packages/matplotlib/texmanager.pyt get_ps_bboxļ s 4c C sō | | i | | f } | i i | } | d j o¹ | i | | | } t t i i | i | } t
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