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john.uhden wrote:
Agreed, except for the interesting part.
The attachment in post #22 makes the Op's intent quite clear – that is, if the reader has a background in art. That background would probably have exposed the reader to a One Point Perspective setup, and the general technique for approximating a circle.
I know that art and CAD are not necessarily associate with each other, but that shouldn’t be the case. Certainly, we’d expect a cad operator to understand geometry. Perspective, via Camera or pencil (or AutoCAD), is manipulation of geometry. Circles, ellipses, polylines, rays, angles – we Cad jockeys eat this stuff up. The process should be interesting.
Sure, Splines are the bane of all AutoCAD users past and present, but that just because they are the new kid on the block. Once we stop picking on them we’ll see that they’re quite helpful.
@john.uhden wrote:
The Horizontal Elliptical Reinforced Concrete Pipe (HERCP) that we design is not an ellipse at all. It has two larger radii and two smaller radii that sort of look like an ellipse. All that matters is the area and wetted perimiter as a function of depth of flow within the pipe.
Eventually they will be. The discontinuity will prove failure prone, and generate unnecessary turbulence.
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May your cursor always snap to the location intended.