I'm the guy who is working on documenting Celestia's .CEL scripting functions.
Since a picture is worth a thousand words, and a thousand words barely begins to describe Celestia's Coordinate Systems, I was wondering if anyone out here in Celestialand would be able to create graphic images showing each of Celestia's Coordinate Systems -- via circles (objects) and lines (X, Y, Z coordinates).
If so, I would be thrilled, along with every person who reads the Scripting Guide.
Thank you
-Don G.