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I have a bug that I am seeing with a default ubuntu 9.10 matplotlib 
install, version 0.99.0. Contourf plots that I output in vector format 
files have little triangular glitches at the contour boundaries if the 
contoured array is larger than about 200x200. The same files in png 
format are perfect, even at very high dpi values. Attached is a sample 
script, and the png and eps output it generates on my machine. I'm 
trying to make eps files for a paper, and this is driving me nuts. Any 
ideas?
Jordan

Manuel Wittchen skrev:
> Is it possible to print the value of a variable in an annotation?
> Example:
> 
> gradient = 2.0
> intercept = 3.0
> r-value = 0.99
> 
> ax.annotate('f(x) = gradient * x + intercept R^2 = r-value',
> xy=(2.9,-0.75), xytext=(2.9,-0.75))
> 
I feel that a main advantage of matplotlib (over other solutions I have 
used) is that there is a complete programming language available. In 
this case, just use the standard string handling of python.
See e.g. http://docs.python.org/library/stdtypes.html#string-formatting
Untested code:
annotation_string = "f(x) = %f * x + %f R^2 = %f" % (gradient, 
intercept, r-value)
ax.annotate(annotation_string,
xy=(2.9,-0.75), xytext=(2.9,-0.75))
/ johan

Eric Emsellem <eem...@es...> writes:
> regarding my last post, I still have pb generating simple eps files.
Can you be more specific about the "last post" you are referring to? I
searched using Gmane and didn't find anything recent:
http://search.gmane.org/?author=eric+emsellem&group=gmane.comp.python.matplotlib.general&sort=date
> thanks a lot for the quick tip. But no xpdf does not do it (I had
> tried it).
What exact error message do you get in that case?
> ps.usedistiller : None
> ## I tried all possible distiller... didn't change the pb.
Certainly the error message must have changed between runs, since your
first post showed a Ghostscript-specific message.
-- 
Jouni K. Seppänen
http://www.iki.fi/jks

Hi,
Is it possible to print the value of a variable in an annotation?
Example:
gradient = 2.0
intercept = 3.0
r-value = 0.99
ax.annotate('f(x) = gradient * x + intercept R^2 = r-value',
xy=(2.9,-0.75), xytext=(2.9,-0.75))
Where gradient, intercept and r-value should be replaced by the value
of the variables in the output.
Regards and a happy new year!
Manuel Wittchen

When I run the script below, the first plot window prints fine, but the
second plot causes the script to crash and prints this error message:
<<
Fatal Python error: PyEval_RestoreThread: NULL tstate
This application has requested the Runtime to terminate in an unusual way.
Please contact the applications support team for more information.
>>
Anybody know what I'm doing wrong? (WinXP, Matplotlib 0.99.1, Python v2.5)
import matplotlib.pyplot as plt
y=[1,2,3,2,1]
plt.plot(y)
plt.show()
raw_input("hit [enter] to show the next plot: ")
z=[4,5,4,5,4]
plt.plot(z)
plt.show()
-- 
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