(3D only) Used to change a B-spline surface's B-spline attributes to the active B-spline settings, as follows:
If on, changes the control net's display:
If on, changes the surface's display:
If on in the u- or v-direction, sets the surface to Open or Closed in that direction(s). The appearance is not changed, only the internal representation.
If on in the u- or v-direction, sets the order in that direction.
If on in the u- or v-direction, sets the number of rule lines in that direction.
(Order on only) Preserves the original shape of the surface when the order is changed.
Key-in: CHANGE SURFACE SETTINGS
