[ndnSIM] issues with visualizer on ubuntu 16.04 LTS with ns-3.29

[Xinyu Ma]

Hello, Sofiya,

This is because the version of gtk-3 offered by Ubuntu 16.04 is too old.
You can use an untrusted PPA to install gtk-3.22 if you want to use the visualizer.

Best,
Xinyu Ma.

> On Jun 12, 2019, at 7:17 AM, sofiya kandi via ndnSIM <ndnsim at lists.cs.ucla.edu> wrote:
> 
> Hello All,
> 
> An idea of the solution for the error shown below, am using
> ubuntu 16.04 LTS
> python 3.5.2
> ns-3.29
> all the python packages are installed
> 
> 19:17:14 environ              No en_IN translation found for domain kiwi
> Could not load plugin 'show_last_packets.py': could not import gobject (could not find _PyGObject_API object)
> Could not load icon applets-screenshooter due to missing gnomedesktop Python module
> Traceback (most recent call last):
>   File "<string>", line 2, in <module>
>   File "/root/Desktop/ndnSIM/ns-3/src/visualizer/visualizer/core.py", line 1881, in start
>     viz = Visualizer()
>   File "/root/Desktop/ndnSIM/ns-3/src/visualizer/visualizer/core.py", line 764, in __init__
>     self.create_gui()
>   File "/root/Desktop/ndnSIM/ns-3/src/visualizer/visualizer/core.py", line 1100, in create_gui
>     monitor = display.get_primary_monitor()
> AttributeError: 'X11Display' object has no attribute 'get_primary_monitor'
> 
> 
> Thanks
> Sofiya Kandi
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