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Gauss or Spline?


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I've got a cylinder made from three 300 degree circle segments, and
I'm evaluating it's perp to -B-. What's the proper filter setting for this?
The red arrow is pointing to -B-
150_ce98e95bd925be4e96338044e7847a82.png
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Gauss and Spline work almost identically for closed loops such as a circle or something. Gauss is not recommended for open ended loops, e.g. lines or curves.
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So these being only 300 degrees and not "closed" I should use spline?
What about the UPR vs Wavelength Lc settings?
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UPR is for features that you would apply roundness/cylindricity to, wavelength for features you would put flatness/straightness on.

You want to use UPR, and use the cookbook values for filters/outliers. Maybe a lower UPR given the interrupted feature.
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It also depends on the measurement strategy as well. You wouldn't want to apply a UPR filter to a Cylinder measurement with linear line scans. Helix paths also fall into this group as well.
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