[ndnSIM] How to use Pyviz visualizer

[Alex Afanasyev]

Did you follow all the instructions on the website in getting started section, especially the one marked "if you want visualizer"?   Visualizer is quite finnky and can be hard to make it work.  Pitfalls sometimes relate to version of Python (do you have 2 and 3 installed?); you may need to install dependencies using apt or pip (easy_install).  It is, honestly, a trial and error approach.  I think the latest I tried with Ubuntu 20.04 and list of what needs to be installed listed there, but things may be already outdated...  On 18.04, with my latest trial a few days ago, something else needs to be installed, but I didn't have a chance to explore what exactly.  

> On Aug 17, 2020, at 11:03 PM, zhenliu0603--- via ndnSIM <ndnsim at lists.cs.ucla.edu> wrote:
> 
> Dear all,
> Hello, everybody, I am new to ndnsim. I have a question about Pyviz visualizer. Could you help me?
> I am a ubuntu18.04 user and now installing ndnsim according to the ndnsim website. When I use following command:
> ./waf configure --enable-examples
> The PyViz visualizer line will be shown as follows:
> PyViz visualizer: not enabled (Missing python modules: pygraphviz)
> It seems that I didn't install pygraphviz but actually it has been installed.
> Graphviz version 2.40.1 (20161225.0304) already isntalled and python version is 3.6.
> Dose anybody know what is the course of this? Thanks in advance.
> 
> Regards,
> Liuzhen
> 
> zhenliu0603 at 163.com <mailto:zhenliu0603 at 163.com>_______________________________________________
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______________
Alex Afanasyev
Assistant Professor, SCIS, Florida International University
11200 SW 8th Street, PG6 Room 140D, Miami, FL 33199
phone: +1.305.348.4960 (office); email: aa at cs.fiu.edu
web: https://users.cs.fiu.edu/~afanasyev/


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