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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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j j d d � t S( Ns dvipng -versiont shellt stdint stdoutt stderrt close_fdst win32s dvipng i����s Found dvipng version %st helpfult asciis 1.6s No dvipng was found( R t TrueR R t syst platformR R
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startswitht splitt mplt verboset reportt decodet distutilst versiont LooseVersiont False( t pR R
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TexManagerc B sT e Z d Z e j � Z e d@ k r3 e j � Z n e j j
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6dO d" 6dP d% 6dQ d( 6dR d 6dS d) 6dT d* 6dU d+ 6Z! d@ Z" dV e# g dW e D] Z$ d. e$ ^ q�� Z% d/ � Z& d@ d0 � Z' d1 � Z( d2 � Z) d3 � Z* d4 � Z+ d5 � Z, e- j. d6 � Z/ d7 � Z0 d8 � Z1 d9 � Z2 d: � Z3 d; � Z4 d< � Z5 d@ d@ d= � Z6 d@ d@ dX d> � Z7 d@ d? � Z8 RS(Y 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".t filei 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 C s7 t | j � t d j � } | | j k r8 | | _ n t j j d | d � d | _ | j g } x&g | j D] } | | j d d � f ^ qq D]� \ } } x� t d | D]� } | j � | j
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� n x d | k r| j d � q�Wd j | � } d j d | d g � | _ d S( Ns font.familysO The %s font family is not compatible with LaTeX. serif will be used by default.R R* t -t _s font.s family: %s, font: %s, info: %ss% $s font is not compatible with usetexsQ No LaTeX-compatible font found for the %s font family in rcParams. Using default.i R& i R+ s \usepackage{type1cm}s
s \usepackage{textcomp}( R t texcacheR t lowert
font_familiest font_familyR R R t replacet font_infot setattrt DEBUGt printt appendt getattrt joint _fontconfigR* t
sans_serifR, R+ t removet _font_preamble( t selft fft
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found_fontt cmd( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt __init__� s@
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returns a filename based on a hash of the string, fontsize, and dpi
R& s %fs utf-8( RI t get_font_configt get_custom_preamblet strt unicodet encodet ost pathR> R t hexdigest( RN t text fontsizet dpit st bytes( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt get_basefile� s !c C s( | j d k r= t g | j D] } | d f ^ q � | _ n g | j D]# } t | | j | k rG | ^ qG } | rt r� t d | � n xS | D]K } t r� t d | | j | t | f � n t j t | � | j | <q� Wt r� t d | j � n | j
� n t r!t d | j � n | j S( s8 Reinitializes self if relevant rcParams on have changed.s DEBUG following keys changed:s DEBUG %-20s: %-10s -> %-10ss DEBUG RE-INIT
old fontconfig:s DEBUG fontconfig:N( t _rc_cachet Nonet dictt _rc_cache_keysR RE RF t copyt deepcopyRJ RU ( RN t kt part changed( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyRV � s$ .
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returns a string containing font configuration for the tex preamble
( RM ( RN ( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt get_font_preamble� s c C s d j t d � S( s> returns a string containing user additions to the tex preambles
s text.latex.preamble( RI R ( RN ( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyRW � s c G sR t j d k r2 d t j j | j � d g } n g } | j | � d j | � S( s�
On windows, changing directories can be complicated by the presence of
multiple drives. get_shell_cmd deals with this issue.
R s %si s && ( R R R[ R\ t
splitdriveR> t extendRI ( RN t argst command( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt _get_shell_cmd� s
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Generate a tex file to render the tex string at a specific font size
returns the file name
s %s.texs {\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[papersize={72in,72in}, body={70in,70in}, margin={1in,1in}]{geometry}
\pagestyle{empty}
\begin{document}
\fontsize{%f}{%f}%s
\end{document}
g �?t wbt utf8R sb You are using unicode and latex, but have not enabled the matplotlib 'text.latex.unicode' rcParam.R N(
Rc RW t getRA R RM t opent writeRZ t UnicodeEncodeErrorR R R ( RN R^ R_ t basefilet texfilet custom_preamblet fontcmdt unicode_preambleRa t fht err( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt make_tex� s,
s3 MatplotlibBox:\(([\d.]+)pt\+([\d.]+)pt\)x([\d.]+)ptc C s | j | | � } d | } | j � } i d d 6d d 6j | j d � } | | } t d rh d } n d } d
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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.texs {\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 �?Rs Rt R sb You are using unicode and latex, but have not enabled the matplotlib 'text.latex.unicode' rcParam.R N(
Rc RW Ru RA R RM Rv Rw RZ Rx R R R ( RN R^ R_ Ry Rz R{ R| R} Ra R~ R ( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt make_tex_preview s,
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C s� t d r | j | | � S| j | | � } d | } t sO t j j | � r�| j | | � } | d } | j d | j d t j j
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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 debugNs 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_previewRc RE R[ R\ t existsR� Rr R> R R R R t systemRv t readt IOErrort statR t OSErrorR t RuntimeErrort reprt globt endswithRL (
RN R^ R_ Ry t dvifileRz t outfileRq t exit_statusR~ R R� t fname( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt make_dviN sH
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C s | j | | � } d | } d | } t sR t j j | � sR t j j | � r�| j | | � } | d } | j d | j d t j j | � d | f � } t j
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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� Ns 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 .baselinet wt R� R� R^ t baseline( Rc RE R[ R\ R� R� Rr R> R R R R R� Rv R� R� R� R� R# t _re_vboxt searchRw RI t groupsR� R� RL R� ( RN R^ R_ Ry R� t baselinefileRz R� Rq R� R~ R t mR� ( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyR� | sH
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c C sZ | j | | | � } d | } t s8 t j j | � rV| j | | � } | d } | j d | j d | t j j | � d t j j | � d | f � } t j
j | d � t j | � } y% t
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r� d } n X| rt d | | � � n t j
j | d � y t j | � WqVt k
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so
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� Ns! No dvipng error report available.se dvipng was not able to process the following file:
%s
Here is the full report generated by dvipng:
( Rc RE R[ R\ R� R� Rr R> R R R R R� Rv R� R� R� RL R� ( RN R^ R_ R` Ry t pngfileR� R� Rq R� R~ R ( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt make_png� s0
c
C s | j | | � } d | } t s5 t j j | � r| j | | � } | d } | j d | j d t j j | � d t j j | � d | f � } t j
j | d � t j | � } t
| � �C } | r� t d | | j � � � n t j
j | j � d � Wd QXt j | � 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� s� dvipng was not able to process the flowing file:
%s
Here is the full report generated by dvipng:
N( Rc RE R[ R\ R� R� Rr R> R R R R R� Rv R� R� RL (
RN R^ R_ Ry t psfileR� R� Rq R� R~ ( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt make_ps� s$
c C s� | j | | � } t | � �N } xD | D]< } | j d � r( g | j � d D] } t | � ^ qN Sq( WWd QXt d | � � d S( sw
returns a list containing the postscript bounding box for latex's
rendering of the tex string
s %%BoundingBox:i Ns Could not parse %s( R� Rv R R t intR� ( RN R^ R_ R� t psR! t val( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt get_ps_bbox� s
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d } n' t j d k r� t
� t _ n t j } | r� d | d d � d d � d f } n | d d � d d � d f } | | j | <n | S( s returns the alpha channels text.dvipnghacki Ni i����( RV t grey_arraydRu Re R� R R[ R\ RI R> R R# t _dvipng_hack_alphaR" ( RN R^ R_ R` t keyt alphaR� t Xt hack( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt get_grey� s
& c C sE | s t d } n | s& t d } n | \ } } } | | j � | | t | � f } | j j | � } | d k rA| j | | | � }
t j |
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� } | | d d � d d � d f <| | d d � d d � d f <| | d d � d d � d f <|
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Returns latex's rendering of the tex string as an rgba array
s font.sizes savefig.dpii i i Ni i ( R RV t tuplet rgba_arraydRu Re R� t npt zerost shapet float( RN R^ R_ R` t rgbt rt gt bR� t ZR� ( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt get_rgba' s
! , c C sY | j � d k r d S| r. | j d � } n d } t d r� | j | | � } d | } t ss t j j | � r� | j | | � } n t | � � } | j
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return width, heigth and descent of the text.
R& i g �?s text.latex.previews %s.baselineNiH ( i i i ( t stript points_to_pixelsR Rc RE R[ R\ R� R� Rv R� R R� R� t dvireadt Dvit nextt itert closet widtht heightt descent( RN R^ R_ t renderert dpi_fractionRy R� R� R~ t lt l1R� t depthR� R� t page( ( s; /usr/lib64/python2.7/site-packages/matplotlib/texmanager.pyt get_text_width_height_descent? s(
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sans-serifs cursives monospace( R- s \renewcommand{\rmdefault}{pnc}( R. s \renewcommand{\rmdefault}{pbk}( R0 s \usepackage{mathptmx}( R2 s \usepackage{mathpazo}( R) s \usepackage{chancery}( R) s \usepackage{chancery}( R4 s \usepackage{charter}( R% R& ( R' R& ( R6 s \usepackage{helvet}( R8 s \usepackage{avant}( R9 s \usepackage{courier}( R( R& ( R% R& ( R' R& ( R( R& ( s text.latex.preamble( R; ( i i i (9 t __name__t
__module__t __doc__R t get_homet oldpathRe t
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