Hi Danny, I think it is related to those.

Probably easiest to explain by showing it though:



So basically you draw the "shoulder frame" which defines the end points and tangents, and then a point that the conic passes through or a rho value between 0 and 1.

The curve created in this way is an exact conic section curve, meaning it has the exact shape of a portion of either a parabola, hyperbola, or ellipse.


Jamie, do you think it is really necessary to actually have the Rho value entry? I believe that comes from a method used a fairly long time ago in aerospace for defining and recording airfoil shapes made up of conic section pieces. Would you actually ever enter in a rho value these days instead of using a point for defining the shape?


One other kind of interesting thing that it looks like I'll be able to do with MoI's conic command is allow it to create a larger ellipse segment if you move to the outer region, like this:




So for example that allows to create a precise ellipse segment tangent to 2 curves, like this:





- Michael