CVADD (Command)

Adds control vertices to NURBS surfaces and splines.

Find

Adds control vertices in the U or V direction, or adds points directly on a surface or spline. This illustration shows a row of control vertices added in the V direction.

The following prompts are displayed.

Select a NURBS surface or curve to add control vertices.

Select a valid NURBS surface or curve and press Enter.

Point

Select a valid NURBS surface or curve and press Enter.

Insert Knots

Turns off the display of control vertices and allows you to place a point directly on a surface. This option only displays if you select a surface; it does not display for splines.

Insert Edit Point

Turns off the display of control vertices and allows you to place a point directly on a spline. This option only displays if you select a spline; it does not display for surfaces.

Direction

Specifies whether to add control vertices in the U or V direction. This option only displays if you select a surface; it does not display for splines.