作者hardliner (liner)
看板Python
标题[问题] 请问 matplotlib 要如何 show()
时间Mon Feb 16 10:24:26 2009
$HOME=/root
CONFIGDIR=/root/.matplotlib
matplotlib data path
/usr/local/lib/python2.6/site-packages/matplotlib/mpl-data
loaded rc file /root/.matplotlib/matplotlibrc
matplotlib version 0.98.5.2
verbose.level helpful
interactive is False
units is False
platform is linux2
Using fontManager instance from /root/.matplotlib/fontList.cache
backend Agg version v2.2
以上的讯息是我照 manual 上所指示所得到的讯息，下面是我测试的内容。
from pylab import *
plot([1,2,3])
show()
>>> from pylab import *
>>> plot([1,2,3])
[<matplotlib.lines.Line2D object at 0x8bceeac>]
>>> show()
/usr/local/lib/python2.6/site-packages/matplotlib/backends/__init__.py:41:
UserWarning:
Your currently selected backend, 'Agg' does not support show().
Please select a GUI backend in your matplotlibrc file
('/root/.matplotlib/matplotlibrc')
or with matplotlib.use()
(backend, matplotlib.matplotlib_fname()))
由於问题出在 backend，看起来是指 Agg 不支援 show()，而搜寻相关网页，
只找到一篇是使用 WXAgg（
http://0rz.tw/WcgOw），於是我安装了 wxPython，
vi ~/.matplotlib/matplotlibrc，更改其内容为下
backend : WXAgg
可是更改之後，却连 import 都不行了。
>>> from pylab import *
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python2.6/site-packages/pylab.py", line 1, in <module>
from matplotlib.pylab import *
File "/usr/local/lib/python2.6/site-packages/matplotlib/pylab.py", line
253, in <module>
from matplotlib.pyplot import *
File "/usr/local/lib/python2.6/site-packages/matplotlib/pyplot.py", line
75, in <module>
new_figure_manager, draw_if_interactive, show = pylab_setup()
File
"/usr/local/lib/python2.6/site-packages/matplotlib/backends/__init__.py",
line 25, in pylab_setup
globals(),locals(),[backend_name])
File
"/usr/local/lib/python2.6/site-packages/matplotlib/backends/backend_wxagg.py",
line 19, in <module>
import wx
ImportError: No module named wx
请问问题是出在哪里呢？谢谢。
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1F：→ yungyuc:matplotlib.use('TkAgg') 02/16 10:31