How to draw figure-3?

[Ruye-aa]

Hi, this is amazing work.
I am trying to reproduce the results in your paper. But I encountered a problem when trying to draw Figure 3 in the paper. I learned the knowledge of open3D, but I still don't know how to display the two registered point clouds on one map and connect the corresponding points with lines.
I would like to ask if you can provide the source code of Figure 3, or tell me what method and function I can use to draw the effect of Figure 3.
As a beginner in the field, I know this question may be simple, but I'd still appreciate to get your help.
Thanks！

[haoyu94]

Hi, thanks for your interest!

For drawing lines with Open3D, you can check the example given here:

More examples about visualization can be found here: http://www.open3d.org/docs/0.7.0/tutorial/Basic/visualization.html.
You can also check the demo (demo.py) of FCGF (https://github.com/chrischoy/FCGF).

[Ruye-aa]

Thank you very much for your kind help, it really helps me a lot.