The Rebuild button for CV curves displays this dialog. It lets you specify how to rebuild the curve. Rebuilding the curve can change its appearance.
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Modify panel > Select a NURBS object. > Modifier stack display > Curve sub-object level > Select an independent CV curve sub-object. > CV Curve rollout > Rebuild button
Interface
- Tolerance Rebuilds the curve according to accuracy. The lower the Tolerance value, the more accurate the rebuild. Increasing Tolerance enables the curve to be rebuilt using fewer CVs.
- Number (The default.) Lets you alter the number of CVs in the curve.
- Preview
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When on (the default), your changes are previewed in viewports.