matplotlib-users Mailing List for matplotlib

Thats good information to have gathered! It sure will be usefull.
Have you look into the new html5's video tag? You can directly embed ogg in
a page, without flash or any other plugin. Firefox 3.5 supports that, I
think Safari would work too.
See this page for information (and look up the source)
http://www.mozilla.com/en-US/firefox/video/
2009年9月5日 Jouni K. Seppänen <jk...@ik...>
> Phil Austin <pa...@eo...> writes:
>
> > http://clouds.eos.ubc.ca/~phil/video/samples/movie.ogv
> > size: 0.33 Mbytes (!)
> > note: we followed the install instructions at
> > http://www.theora.org/downloads/
> > but Safari didn't recognize the ogv suffix, and didn't
> > offer to associate it with a player
>
> Your web server claims this to be a text file:
> Content-Type: text/plain; charset=UTF-8
>
> If you put something like
> AddType video/ogg .ogv
> in a relevant Apache configuration file, browsers may have a better
> chance of identifying the file type.
>
> --
> Jouni K. Seppänen
> http://www.iki.fi/jks
>
>
>
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tmp user$ python pdftest.py
Bus error
code:
import pylab as pl
from numpy import linspace
pl.plot(linspace(0,10,10))
pl.savefig('test.pdf')
eps, png, jpg export works fine.
Another issue is that you must change the default snow leopard python to
32-bit to get matplotlib to work properly.

nbv4 <cp3...@oh...> writes:
> [1,0,0,0,2,3,2,1,0,0,0,2,2,1,3,0,0,3...]
>
> [...] I want to take this data and display it in a linegraph
> as if it were this data:
>
> [1,1,1,1,3,5,7,8,8,8,10,12,13,16,16,16,19,...]
You can use numpy.cumsum to transform your data. For example, in ipython
-pylab:
In [4]: x = [1,0,0,0,2,3,2,1,0,0,0,2,2,1,3,0,0,3]
In [5]: cumsum(x)
Out[5]: 
array([ 1, 1, 1, 1, 3, 6, 8, 9, 9, 9, 9, 11, 13, 14, 17, 17, 17,
 20])
In [6]: plot(cumsum(x))
Out[6]: [<matplotlib.lines.Line2D object at 0xa945070>]
-- 
Jouni K. Seppänen
http://www.iki.fi/jks

Nicolas Chopin <nic...@br...> writes:
> funny \gamma works, though.
That's because \g has no special meaning, while e.g. \b means backspace:
http://docs.python.org/reference/lexical_analysis.html#string-literals
> On a related note, usetex=True is fancy, but produce much bigger eps
> files for me, so I stick with the standard mathtex rendering.
It is probably best to use the built-in mathtex, unless you have a
specific reason to use TeX.
-- 
Jouni K. Seppänen
http://www.iki.fi/jks

thanks a lot! I did not know about raw strings, sorry, even Python has
its black corners, I guess.
funny \gamma works, though.
On a related note, usetex=True is fancy, but produce much bigger eps
files for me, so I stick with the standard mathtex rendering.
Thanks again
Nicolas
2009年9月4日 Nicolas Chopin <nic...@br...>:
> Hi list,
> when I do:
> hist(randn(100)); xlabel('$\gamma$')
> things work as expected.
> However, if I try:
> hist(randn(100)); xlabel('$\beta$')
> then either I get an error, or I get the label "eta" under the plot.
> Other letters seem to trigger this: tau, alpha, rho, maybe others.
> This problems wether text.usetex is set to True or not (in matplolibrc file).
>
> Version: 0.98.5.2 (Ubuntu Jaunty, ipython 0.9.1 shell).
>
> Has anyone had the same problem, and is there any fix?
> Sorry if this has been reported before, I tried to find it, but
> nothing came out.
>
> Thanks in advance
>
> --
> ________________________________________________________
> Nicolas Chopin
> ENSAE
> 3, Avenue Pierre Larousse
> 92245 Malakoff CEDEX
> FRANCE
> tel +33 1 41 17 65 22 | fax +33 1 41 17 38 52
> http://www.crest.fr/pageperso/Nicolas.Chopin/Nicolas.Chopin.htm
>
-- 
________________________________________________________
Nicolas Chopin
ENSAE
3, Avenue Pierre Larousse
92245 Malakoff CEDEX
FRANCE
tel +33 1 41 17 65 22 | fax +33 1 41 17 38 52
http://www.crest.fr/pageperso/Nicolas.Chopin/Nicolas.Chopin.htm

Phil Austin <pa...@eo...> writes:
> http://clouds.eos.ubc.ca/~phil/video/samples/movie.ogv
> size: 0.33 Mbytes (!)
> note: we followed the install instructions at 
> http://www.theora.org/downloads/
> but Safari didn't recognize the ogv suffix, and didn't
> offer to associate it with a player
Your web server claims this to be a text file:
Content-Type: text/plain; charset=UTF-8
If you put something like
AddType video/ogg .ogv
in a relevant Apache configuration file, browsers may have a better
chance of identifying the file type.
-- 
Jouni K. Seppänen
http://www.iki.fi/jks

Hi, I am a new user to matplotlib. I have a huge list of values that look
like this:
[1,0,0,0,2,3,2,1,0,0,0,2,2,1,3,0,0,3...]
each point basically represents the derivative of the line at that point, if
that makes any sense. I want to take this data and display it in a linegraph
as if it were this data:
[1,1,1,1,3,5,7,8,8,8,10,12,13,16,16,16,19,...]
...so the line grows as the numbers get bigger. Is there a plot that takes
data in the form of my first list, or is my only option to create a forloop
and construct the second list manually and just use that?
It seems the target audience for matplotlib is scientific people who know a
lot about math and statistics, which I am not. A lot of the documentation
just goes over my head.
-- 
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