[Matplotlib-users] LaTeX fonts
Hi all,
I'm new to Python in general and Matplotlib in particular.
I'm trying to create publication quality plots for inclusion
in LaTeX papers and presentations and have some problems
to get the fonts right.
My matplotlibrc contains the following lines
font.family: serif
font.serif : Times, Palatino, New Century Schoolbook, Bookman,
Computer Modern Roman
font.sans-serif: Helvetica, Avant Garde, Computer Modern Sans serif
font.cursive: Zapf Chancery
font.monospace : Courier, Computer Modern Typewriter
and my Python script contains the following lines
params = {'backend': 'ps',
'axes.labelsize': 12,
'text.fontsize': 12,
'xtick.labelsize': 10,
'ytick.labelsize': 10,
'text.usetex': True,
'figure.figsize': fig_size}
rcParams.update(params)
I run what I believe is a standard openSUSE 10.2 installation of tetex and
python, including matplotlib.
Still, fonts in my matplotlib plot are different from the ones used in my
LaTeX document. Also, strangely
psfrag does not seem to work? Nothing ever gets replaced in my plot!
Can someone please help me out, what am I doing wrong?
Best regards,
Johan
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Re: [Matplotlib-users] LaTeX fonts
On Tuesday 07 August 2007 07:37:04 am Johan Ekh wrote:
Hi all,
I'm new to Python in general and Matplotlib in particular.
I'm trying to create publication quality plots for inclusion
in LaTeX papers and presentations and have some problems
to get the fonts right.
My matplotlibrc contains the following lines
font.family: serif
font.serif : Times, Palatino, New Century Schoolbook, Bookman,
Computer Modern Roman
font.sans-serif: Helvetica, Avant Garde, Computer Modern Sans serif
font.cursive: Zapf Chancery
font.monospace : Courier, Computer Modern Typewriter
and my Python script contains the following lines
params = {'backend': 'ps',
'axes.labelsize': 12,
'text.fontsize': 12,
'xtick.labelsize': 10,
'ytick.labelsize': 10,
'text.usetex': True,
'figure.figsize': fig_size}
rcParams.update(params)
I run what I believe is a standard openSUSE 10.2 installation of tetex and
python, including matplotlib.
Still, fonts in my matplotlib plot are different from the ones used in my
LaTeX document. Also, strangely
psfrag does not seem to work? Nothing ever gets replaced in my plot!
Can someone please help me out, what am I doing wrong?
Please make sure that the external dependencies are installed and properly
configured, see http://www.scipy.org/Cookbook/Matplotlib/UsingTex. If that
doesn't help, try setting your verbose.level to debug, write as simple a
script as possible that reproduces the problem, and post again, along with
the output and perhaps the figure.
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Re: [Matplotlib-users] LaTeX fonts
This is admittedly a stupid question, but just to be sure, I don't see
usetex: True
in your post.
Ryan
On 8/7/07, Johan Ekh [EMAIL PROTECTED] wrote:
Hi all,
I'm new to Python in general and Matplotlib in particular.
I'm trying to create publication quality plots for inclusion
in LaTeX papers and presentations and have some problems
to get the fonts right.
My matplotlibrc contains the following lines
font.family: serif
font.serif : Times, Palatino, New Century Schoolbook, Bookman,
Computer Modern Roman
font.sans-serif: Helvetica, Avant Garde, Computer Modern Sans serif
font.cursive: Zapf Chancery
font.monospace : Courier, Computer Modern Typewriter
and my Python script contains the following lines
params = {'backend': 'ps',
'axes.labelsize ': 12,
'text.fontsize': 12,
'xtick.labelsize': 10,
'ytick.labelsize': 10,
'text.usetex': True,
'figure.figsize': fig_size}
rcParams.update(params)
I run what I believe is a standard openSUSE 10.2 installation of tetex and
python, including matplotlib.
Still, fonts in my matplotlib plot are different from the ones used in my
LaTeX document. Also, strangely
psfrag does not seem to work? Nothing ever gets replaced in my plot!
Can someone please help me out, what am I doing wrong?
Best regards,
Johan
-
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Re: [Matplotlib-users] LaTeX fonts
On Tuesday 07 August 2007 11:37:45 am Johan Ekh wrote:
OK,
here is the LaTeX example from the cookbook, i.e. I executed the following:
--- x ---
import pylab
from pylab import arange,pi,sin,cos,sqrt
fig_width_pt = 246.0 # Get this from LaTeX using \showthe\columnwidth
inches_per_pt = 1.0/72.27 # Convert pt to inch
golden_mean = (sqrt(5)-1.0)/2.0 # Aesthetic ratio
fig_width = fig_width_pt*inches_per_pt # width in inches
fig_height = fig_width*golden_mean # height in inches
fig_size = [fig_width,fig_height]
params = {'backend': 'ps',
'axes.labelsize': 10,
'text.fontsize': 10,
'xtick.labelsize': 8,
'ytick.labelsize': 8,
'text.usetex': True,
'figure.figsize': fig_size}
pylab.rcParams.update(params)
# Generate data
x = pylab.arange(-2*pi,2*pi,0.01)
y1 = sin(x)
y2 = cos(x)
# Plot data
pylab.figure(1)
pylab.clf()
pylab.axes([0.125,0.2,0.95-0.125,0.95-0.2])
pylab.plot(x,y1,'g:',label='$\sin(x)$')
pylab.plot(x,y2,'-b',label='$\cos(x)$')
pylab.xlabel('$x$ (radians)')
pylab.ylabel('$y$')
pylab.legend()
pylab.savefig('fig1.eps')
--- x ---
Please find attached the resulting picture and the output from running the
script with the flag --verbose-debug-annoying.
What is wrong with your output? It looks fine to me. Maybe there is an issue
with your ps viewer. Try using the agg backend, and saving a png to compare
the results.
Also, a couple comments:
Any of your strings that have backslashes need to be raw strings:
'$\sin(x)$' should be r'$\sin(x)$'.
You should do this:
import matplotlib as mpl
params = {'backend': 'ps',
'axes.labelsize': 10,
'text.fontsize': 10,
'xtick.labelsize': 8,
'ytick.labelsize': 8,
'text.usetex': True,
'figure.figsize': fig_size}
mpl.rcParams.update(params)
before you do this:
import pylab
Darren
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Re: [Matplotlib-users] LaTeX fonts
Well, it looks OK but the fonts are still not the same as the ones used in
LaTeX (at least not in my installation).
Please look at the attached picture. It is another example but is shows the
difference between the fonts. Best seen
if you focus on the digit 6 in the graph (the upper digit) and in the text
(the lower digit).
Best regards,
Johan
2007/8/7, Darren Dale [EMAIL PROTECTED]:
On Tuesday 07 August 2007 11:37:45 am Johan Ekh wrote:
OK,
here is the LaTeX example from the cookbook, i.e. I executed the
following:
--- x ---
import pylab
from pylab import arange,pi,sin,cos,sqrt
fig_width_pt = 246.0 # Get this from LaTeX using \showthe\columnwidth
inches_per_pt = 1.0/72.27 # Convert pt to inch
golden_mean = (sqrt(5)-1.0)/2.0 # Aesthetic ratio
fig_width = fig_width_pt*inches_per_pt # width in inches
fig_height = fig_width*golden_mean # height in inches
fig_size = [fig_width,fig_height]
params = {'backend': 'ps',
'axes.labelsize': 10,
'text.fontsize': 10,
'xtick.labelsize': 8,
'ytick.labelsize': 8,
'text.usetex': True,
'figure.figsize': fig_size}
pylab.rcParams.update(params)
# Generate data
x = pylab.arange(-2*pi,2*pi,0.01)
y1 = sin(x)
y2 = cos(x)
# Plot data
pylab.figure(1)
pylab.clf()
pylab.axes([0.125,0.2,0.95-0.125,0.95-0.2])
pylab.plot(x,y1,'g:',label='$\sin(x)$')
pylab.plot(x,y2,'-b',label='$\cos(x)$')
pylab.xlabel('$x$ (radians)')
pylab.ylabel('$y$')
pylab.legend()
pylab.savefig('fig1.eps')
--- x ---
Please find attached the resulting picture and the output from running
the
script with the flag --verbose-debug-annoying.
What is wrong with your output? It looks fine to me. Maybe there is an
issue
with your ps viewer. Try using the agg backend, and saving a png to
compare
the results.
Also, a couple comments:
Any of your strings that have backslashes need to be raw strings:
'$\sin(x)$' should be r'$\sin(x)$'.
You should do this:
import matplotlib as mpl
params = {'backend': 'ps',
'axes.labelsize': 10,
'text.fontsize': 10,
'xtick.labelsize': 8,
'ytick.labelsize': 8,
'text.usetex': True,
'figure.figsize': fig_size}
mpl.rcParams.update(params)
before you do this:
import pylab
Darren
attachment: closeup.png-
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Re: [Matplotlib-users] LaTeX fonts
On Tuesday 07 August 2007 12:17:56 pm Johan Ekh wrote:
Well, it looks OK but the fonts are still not the same as the ones used in
LaTeX (at least not in my installation).
Please look at the attached picture. It is another example but is shows the
difference between the fonts. Best seen
if you focus on the digit 6 in the graph (the upper digit) and in the
text (the lower digit).
You have your font.family set to serif and font.serif set to Times. That means
you are telling matplotlib to use the Times fonts, but you are using the
default Computer Modern fonts in your latex document. I suggest you either
add \usepackage{pslatex} in your latex header to use the adobe fonts instead
of computer modern, or move computer modern roman to the front of your list
of serif fonts in matplotlib.
Darren
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