@Kent1Cooper wrote:
@cadking2k5, we need some clarification. Obviously people are interpreting what you want in different ways. Could you re-post the images from Posts 1 and 14, with dots or something showing the locations you are trying to find?
I repeat the question, and add another:
It seems a lot of recent Posts here are about finding the Ellipse that represents a Circle [or another Ellipse] fitting an existing parallelogram that respresents a square or rectangle in some kind of oblique/projected view. But the original Post 1 is starting from an already-existing elliptical (+/-) Spline, which must have come from somewhere -- perhaps based on something like a similar parallelogram, but I can't tell.
SO: Is a way of making a true Ellipse relative to existing geometry, instead of a Spline approximation, going to serve your purpose, or are you looking for a way to find points [whatever points they are supposed to be -- see question above] on an already-drawn Spline-form ellipse approximation? The original question suggests the latter, because if you already have the parallelogram [or whatever geometry the Spline was generated from], presumably you can get the points you want from that [likely midpoints of edges, but it's still not clear to me]. But if it's the latter, all the offerings about generating the true Ellipse, however interesting, seem irrelevant.
Kent Cooper, AIA