hey brian,

got a chance to try it out. works good. a few things though. with the le the way you are doing it you have to take out point .75, .835. Otherwise the curve fit gets messed up. I just manually deleted it and the curve adjusted, however, most people wouldn't know to do that. Also a long time ago burrman and Michael found that you couldn't have the le and te be two arcs. Which is what I had. It would be like mirroring the two that you have in there. So I mirror the spline then make the arcs, so that they are one arc for the le and one for the te. You can do this easily from what you have generated. But most people wouldn't know to do that. I'm curious if its taking 100 lines of code to find the tangent points, wouldn't it have been easier to just enter the tangent point i added into the array?

anthony