U and V Iso Curves
 
 
 
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Select a NURBS object. Modify panel Create Curves rollout Dependent Curves group box U Iso Curve button or V Iso Curve button

Select a NURBS object. Modify panel NURBS toolbox (Create U Iso Curve) or (Create V Iso Curve)

U and V iso curves are dependent curves created from the iso (isoparametric) lines of a NURBS surface. You can use U and V iso curves to trim surfaces.

Iso curves in the U and V dimensions

Procedures

To create an iso curve:

Interface

Iso Curve rollout (creation time)

Position

Sets the iso curve's position along the U or V axis of the surface.

This parameter is animatable.

Trim Controls group

Trim

When on, trims the surface against the iso curve.

Flip Trim

When on, flips the direction of the trim.

Iso Curve rollout (modification time)

Position

Sets the iso curve's position along the U or V axis of the surface.

This parameter is animatable.

Trim Controls group

Trim

When on, trims the surface against the iso curve.

Flip Trim

When on, flips the direction of the trim.

Replace Base Surface

Lets you replace the parent surface. Click the button, then click the new surface on which to base the iso curve.