Hi Curt - No I don't think that MoI is the right tool for the particular job that you're describing there.

You're talking about what is called a "Reverse engineering" workflow - that's where you are trying to construct a model to fit it to some kind of existing data (either a point cloud, polygon mesh data, etc...).

That's a much different area of work than what MoI is focused on - MoI is focused on drawing shapes from scratch where you are creating the model directly. It is not focused on reverse engineering a model from some existing surface point data as you need.

There are some reverse engineering tools out there that are specifically focused on the kind of thing that you need to do though - one of the main ones is called Geomagic: http://www.geomagic.com/en/

There are also a few different kinds of reverse engineering plug-ins that you can get for Rhino, it's possible that one of them could do this kind of a job:
http://www.rhino3d.com/resources/default.asp?category=13&language=en

Also if you can get a set of points as you describe into Rhino you could try using Rhino's "Patch" command to try and fit a surface through them, that may work if your surface is pretty simple and does not really bend around very much.

But no, MoI is not really the right tool for what you are describing.

- Michael