无法在 p4vasp 中绘制能带结构。
运行时错误是：
vivek@vivek-Lenovo-Flex-2-14:~/apps$ p4v
(p4v.py:5002): libglade-WARNING **: Could not load support for `gnome': libgnome.so: cannot open shared object file: No such file or directory
(p4v.py:5002): libglade-WARNING **: Could not load support for `gnome': libgnome.so: cannot open shared object file: No such file or directory
(p4v.py:5002): libglade-WARNING **: Could not load support for `gnome': libgnome.so: cannot open shared object file: No such file or directory
/usr/lib/python2.7/dist-packages/p4vasp/applet/GraphWindowApplet.py:266: GtkWarning: IA__gtk_widget_set_events: assertion '!gtk_widget_get_realized (widget)' failed
x.set_events(event_mask)
/usr/share/p4vasp/p4v.py:81: GtkWarning: IA__gtk_progress_set_percentage: assertion 'percentage >= 0 && percentage <= 1.0' failed
self.progressbar.set_fraction(float(step)/float(total))
(p4v.py:5002): libglade-WARNING **: Could not load support for `gnome': libgnome.so: cannot open shared object file: No such file or directory
Traceback (most recent call last):
File "/usr/share/p4vasp/p4v.py", line 642, in idle_func
scheduler().next()
File "/usr/lib/python2.7/dist-packages/p4vasp/schedule.py", line 51, in next
return self[0].next()
File "/usr/lib/python2.7/dist-packages/p4vasp/applet/ElectronicApplet.py", line 462, in updateEigenvaluesGen
ly=len(ev[0][0])
TypeError: __len__() should return an int
答案1
在 Ubuntu 14.04 中，缺失的文件 libgnome.so 由 libgnomeui-0 或 libgnomeui-0-dbg 提供。要安装 libgnomeui-0（GNOME 用户界面库 - 运行时文件），请打开终端并输入：
sudo apt-get install libgnomeui-0