tkinter.TclError: 无法连接到显示器 "localhost:18.0"
tkinter.TclError: 无法连接到显示器 "localhost:18.0"
我正在尝试在中央服务器上运行一个用Python编写的模拟程序,并在模拟结束后通过连接到我的本地计算机将保存的图形文件/数据文件移动到本地计算机上。代码如下:
import matplotlib.pyplot as plt import subprocess import scipy.io import os #保存数据文件: scipy.io.savemat(data_path + Filename_str, dict(A=board)) #使用imshow(热图)创建/保存图形 p = plt.imshow(mean_map.T, cmap = plt.cm.gist_yarg_r, origin = 'lower', extent = [0, phi, 0, Z], aspect='auto') plt.savefig(figure_path + Filename_str + '-Homophily.pdf') #使用ssh连接到我的本地主机(arabian-knights),并执行以下命令。 ret = subprocess.call(['ssh', 'arabian-knights', 'mv Data/* /scratch/Data/']) ret = subprocess.call(['ssh', 'arabian-knights', 'mv Figure/* /scratch/Figure/'])
我在服务器计算机的后台运行这个模拟程序,从我的本地计算机(arabian-knights)连接到服务器计算机。尽管我断开了与服务器计算机的连接,但由于模拟程序在后台运行,它并不会停止,而是在模拟完成后正确地将数据文件移动到我的本地计算机。然而,通过matplotlib.pyplot.imshow生成的图形文件却没有保存,显示以下错误消息:
Traceback (most recent call last): File "./ThrHomoHeatmap-thrstep.py", line 179, inp = plt.imshow(board.T, cmap = plt.cm.gist_yarg_r, vmin=0, vmax=n, origin = 'lower', extent = [0, phi, 0, Z], aspect='auto') File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 2370, in imshow ax = gca() File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 701, in gca ax = gcf().gca(**kwargs) File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 369, in gcf return figure() File "/usr/lib/pymodules/python2.7/matplotlib/pyplot.py", line 343, in figure **kwargs) File "/usr/lib/pymodules/python2.7/matplotlib/backends/backend_tkagg.py", line 80, in new_figure_manager window = Tk.Tk() File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1688, in __init__ self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use) _tkinter.TclError: couldn't connect to display "localhost:18.0"
有没有人可以解决这个问题,将matplotlib.pyplot图形文件从服务器移动到本地计算机呢?