VTube-LASER Cylinder Fit Tolerances

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Vtube-laser logo 1.96.png

Vtube-laser 1.89 mainscreen.png




VTube-LASER uses surface points scanned with laser or measured with ball probes to calculate the centerline of tube centerlines. Regular tube scans assume that the primitive shape to solve for is a cylinder.

When solving for a cylinder centerline, it's important to report the estimated accuracy of the calculation. The estimated accuracy helps us know how confident we can be in the calculation.

Vtube-laser cylinder surfacepoints.png

VTube-LASER reports cylinder fit values of RADIUS, X POSITION and Y POSITION.

  • RADIUS: Estimate the accuracy of the DIAMETER radius (or half the diameter).
  • X or Y POSITION: Estimate the accuracy of the X or Y positions of the end points of the cylinder.

These estimate values are calculated using statistical math. The values are standard deviation x 2, which means that we have 95% assurance that the these values are the maximum deviation.

Vtube-laser cylinderfitwindow.jpg

To simplify terminology, we say that the highest of the X and Y values is the "wobble deviation". If the centerline calculation is very good, then wobble deviation decreases. If the calculation or fit is poor, then the wobble deviation is too high.

VTube-LASER uses the wobble deviation to determine if it should ask you to remeasure the cylinder.

Vtube-laser wobbledeviation.png

Default Setup

The default setup has


3 Rename any of the files in the RED box to either wav file in the BLUE box.

4 It's a good idea to rename the original wav files in the blue box to keep a backup copy of them so that you can recover them if you don't like the result of the change.
Vtube-laser wobbledeviation.png

Testing Sounds For Your VTube Computer

Not all computers play these sound files the same way. For example some computer speakers go into an idle shutdown mode that can never start up fast enough to play the short sounds.

Before changing the sounds configuration, you can double click on any sound file, and Windows should play it for you. If you hear the sound when you double-click on it, then you should be able to use it in VTube-LASER for feedback.

Sound.png

Other Pages

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