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The correct answer is bellow, sorry for bothering.
petr
On Wed, 2007年01月24日 at 14:55, Petr Danecek wrote:
> Hello,
> in the code bellow i am trying to achieve a very simple thing: I'd like
> to call the routine "annotate" to place a text on my plot with arguments
> supplied by means of a dictionary.
> Is there a way how to do this?
> Petr
xy=(3,0.5)
opts = {'xy':xy,'rotation':45}
ax.annotate('text',**opts)

Hello,
in the code bellow i am trying to achieve a very simple thing: I'd like
to call the routine "annotate" to place a text on my plot with arguments
supplied by means of a dictionary.
Is there a way how to do this?
Petr
--------------------------------
from pylab import *
fig = figure()
ax = fig.add_subplot(111, xlim=(-1,5), ylim=(-3,5))
 t = nx.arange(0.0, 5.0, 0.01)
s = nx.cos(2*nx.pi*t)
ax.plot(t, s, lw=3, color='purple')
ax.annotate('text', xy=(1,0.5))
ax.annotate('text', xy=(2,0.5), rotation=45)
# But this does not work:
# opts = dict(rotation=45)
# ax.annotate('text', xy=(3,2), opts)
#
# and nor does this:
# opts = {'xy':(3,2),'rotation':45}
# ax.annotate('text',opts)
show()

Hi, this is my first message on the list.
I'm new at using python and matplotlib so maybe this is an easy thing, but I
would like to know how can I write a text for each 'xtick' on the upper side
of a plot figure (a different label than on the lower side, I mean).
I would also like to ask wether I could draw different number of xticks on
the upper side than in the lower side.
Thank you all!
Manuel

On Jan 23, 2007, at 2:40 PM, Christopher Barker wrote:
> Ken McIvor wrote:
>> On Jan 23, 2007, at 1:08 PM, Christopher Barker wrote:
>>>
>>> I think it will work with older versions, but I haven't tested 
>>> it. How
>>> far back do we need to go? I think 2.6.3 ( the last "stable" 
>>> release )
>>> should do it.
>>
>> The current Debian stable (e.g. Sarge) has wxWindows 2.4.3.1.
>
> Really? Darn, 2.4 is very old for wxPython.
Yep! You have no idea how happy I'll be when Etch comes out...
> Do a lot of folks only use the official packages?
I can't give you a confident yes, but I would imagine so. I'm using 
them on deployed systems, so it's worth it to me to ensure 
compatibility.
Ken

I am getting a dvipng version error when I run:
import Numeric,matplotlib
matplotlib.use('Agg')
from matplotlib import rc
rc('text', usetex=True)
import pylab
pylab.figure(num=1,figsize=(6,4))
pylab.plot(Numeric.arange(10), Numeric.arange(10)**2)
pylab.axis( (0,9,0,81) )
pylab.xlabel(r'$width$')
pylab.ylabel(r'$Height (km)$')
filename='c:/test.png'
pylab.savefig(filename,dpi=100)
pylab.clf()
here is a bit of the error message:
File "C:\Python24\Lib\site-packages\matplotlib\texmanager.py", line 58, in
get_dvipng_version
 raise RuntimeError('Could not obtain dvipng version')
RuntimeError: Could not obtain dvipng version
I have winXP, python2.4, matplotlib0.87, miktex2.5. I downloaded dvipng1.9
from sourceforge, but have no idea what to do with it. do i need a 'c'
compiler to install it?
-- 
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