Specific commands include (but are not limited to): Trim, Split, Intersect, Contour, Section, Offset (curves and surfaces) Project, Sweep 1 and 2 Rails, all the Boolean operations, FilletSrf, FilletEdge. Control points which are heavier (bigger data size), noisier (not as smooth), and harder to edit.Īny command necessary to find the intersection between curves and surfaces is an example. ![]() The absolute tolerance tells Rhino at what point you think it's good enough and to stop trying to calculate a closer solution.Īnother downside of specifying a higher than needed absolute tolerance is that Rhino will then generate things like sections or intersections with many, many control points. The more exact solution you need, the more time it takes to calculate, even to the point of locking up your computer. Yet, some commands rely on approximations to fit or match curves or surfaces to other curves or surfaces. ![]() Generally, you don't need to worry about extremely tiny tolerances. Some objects are possible to define mathematically perfect to the limits of what your computer's floating point math is able to calculate. Note: In joining operations, 2X the absolute tolerance is allowed, so be careful.
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