我试图运行一个非常简单的代码,在集群中输出一个.png文件。下面的代码:
Unable to load library icui18n "Cannot load library icui18n:
的PNG图片仍然产生这样:
import matplotlib.pyplot as plt
import numpy as np
x = np.random.randn(60)
y = np.random.randn(60)
plt.scatter(x, y, s=20)
out_png = 'path/to/store/out_file.png'
plt.savefig(out_png, dpi=150)
如果我已经matplotlib安装1.2.1我得到警告我的系统命令python simple_code.py
运行这段代码我在这里没有问题。但是,如果使用相同的命令和代码中已matplotlib 1.3.0群集安装失败,出现错误:
Traceback (most recent call last):
File "simple_code.py", line 33, in <module>
plt.scatter(x, y, s=20)
File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 3078, in scatter
ax = gca()
File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 803, in gca
ax = gcf().gca(**kwargs)
File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 450, in gcf
return figure()
File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 423, in figure
**kwargs)
File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", line 79, in new_figure_manager
return new_figure_manager_given_figure(num, figure)
File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", line 87, in new_figure_manager_given_figure
window = Tk.Tk()
File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1712, in __init__
self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use)
_tkinter.TclError: no display name and no $DISPLAY environment variable
这到底是怎么回事?
添加,这是我用来登录到集群的脚本:
#!/usr/bin/expect
set login "user"
set addr "address1"
set addr2 "address2"
set pw "password"
spawn ssh -X $log[email protected]$addr
expect "[email protected]$addr\'s password:"
send "$pw\r"
expect "[email protected]:"
send "ssh -X $addr2\r"
expect "[email protected]$addr\'s password:"
send "$pw\r"
interact
你是通过'ssh'运行这个吗? – SethMMorton
是的,我是SethMMorton。我设置了这个工作并让它通过'ssh'在集群中运行。 – Gabriel
当你调用'ssh'时,你使用'-X'标志吗? – SethMMorton