My amateur response:

There is an htm file by Michael, that replaces the MoI file in its ui, to additionally show camera position and target position.

http://moi3d.com/forum/index.php?webtag=MOI&msg=6962.13

MoI usage: Options/View/3d view angles

- Brian

I was working on a script June 2016, on ViewAdjust, after prompting by Pilou, but have been too busy to finish it.
I guess there is no point in posting nonfunctional code, unless ... :-)
Most of the time was spent trying to squeeze the numbers into the (corners of the) MoI screen.