9

1138 Chapter 9: Surface Modeling
Inter face
Curve Common rollout
The controls on this rollout apply to all curve
types. Depending on the type of curve, an
additional rollout is displayed with controls
specific to that type of curve.
Selection group
The selection buttons for curve sub-objects let you
select either individua l curves, or curves that are
connected in space.
Curve sub-object selection controls
Single Cur ve—Clicking or transforming a curve
selects only a single independent c urve sub-object.
All Connected Cur ves—Clicking or transforming
a curve selects al l cur ve sub-objects that are
connected within the NU R B S object. To be
connected, two curves must have f used points,
or one curve must be a connected dependent (a
blend, fillet, or chamfer) of the other.
Name—Shows the name of the currently selected
curve. It is disabled if you h ave selected multiple
curves.
Bydefault,thenameisthenameofthecurve
type ("CV Curve" or "Point Curve") followed by a
sequence number. You can use this field to give the
curve a name that you choose.
Hide—Click to hide the currently selected curves.
Unhide A ll—Click to unhide all hidden curves.
Hide by Name—Click to display a Select
Sub-Objects dialog that lists curves by name.
Select the curves to hide, then click Hide.
Unhide by Name—Disabled u nless there are hidden
curves. Click to display a Select Sub-Objects
dialogthatlistscurvesbyname.Selectthecurves
to make visible, then click Unhide.
Delete—Deletes the selected curve sub-objects.
Mak e Fit—Turns a C V cu r ve into a point cur ve.
This displays the Make Poin t Curve dialog (page
1–1235), w hich lets you set the number of points.
Forapointcurve,thisbuttonletsyouchangethe
number of points in the curve.