Xavier Gnata wrote:
>
> Hi,
>
> Quoting matplotlib/__init__.py :
>
> def checkdep_ghostscript():
> try:
> if sys.platform == 'win32':
> command = 'gswin32c -v'
> else:
> command = 'gs -v'
> stdin, stdout = os.popen4(command)
> line = stdout.readlines()[0]
> v = line.split()[2]
> vtest = '.'.join(v.split('.')[:2]) # deal with version numbers
> like '7.07.1'
> float(vtest)
> return vtest
> except (IndexError, ValueError):
> return None
>
> It fails on debian sid because 'gs -v' returns "GPL Ghostscript SVN
> PRE-RELEASE 8.61 (2007-08-02)\n"
>
> Anyway, the parser will be ugly because it has to deal with version
> numbers like '7.07.1'.
> Should I propose a trivial patch to get thinks working on debian sid ?
>
> Xavier
> ps :Why is there no standard way (like -v or --version) on *unix to get
> the version *number*?? Only the version number. Why :(
>
> --
> ############################################
> Xavier Gnata
> CRAL - Observatoire de Lyon
> 9, avenue Charles André
> 69561 Saint Genis Laval cedex
> Phone: +33 4 78 86 85 28
> Fax: +33 4 78 86 83 86
> E-mail: [EMAIL PROTECTED]
> ############################################
>
>
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>
Yeah , I did face the same problem . My code is following:
There seems to be something wrong in "ax.imshow(im)", I can't get the answer
, Can sb help me .
The error message"ValueError: need more than 0 values to unpack"
Thank you .
# -*- coding:gb2312 -*-
import wx
from pylab import *
from matplotlib.backends.backend_wx import FigureCanvasWx
from matplotlib.figure import Figure
from matplotlib.axes import *
from numpy import *
#-------------------------------------------------------------
x=array(range(0,100))
y=array(range(0,100))
z=rand(100,100)
figure(1)
im=imshow(z, interpolation='bilinear', origin='lower',cmap=cm.gray,
extent=(0,100,0,100))
levels = arange(0.3, 0.4, 0.9)
contour(x,y,z,levels,origin='lower',linewidths=2,extent=(0,100,0,100))
fig=figure(2)
ax = fig.add_subplot(111)
ax.imshow(im)
ax.set_xlim(0,3)
ax.set_ylim(0,2)
show()
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