On Sunday 02 December 2007 06:55:01 am hjc520070 wrote:
> 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 imshow documentation says "X may be a float array, a uint8 array or a PIL
image", but you are passing it an AxesImage instance, which wont work.
> 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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