8

Editing Point Sub-Ob jects 1127
Selection group
Point sub-object selection controls
Single Point—(The default.) When on, you can
select individual points by clicking, or groups of
points by dragg ing a region.
Row of Points—When on, clicking a point selects
the entire row the point b elongs to. Dragging
selects all rows in the region.
If the point is on a curve, Row of P oints selects all
points in the curve.
Column of Points—When on, clicking a point
selectstheentirecolumnthepointbelongsto.
Dragging selects all columns in the region.
If the point is on a curve, Column of Points selects
only a single point.
Row and Column of Points—When on, clicking a
point selects both the row and column the point
belongs to. Dragging selects all rows and columns
in the region.
All Points—When on, clicking or dragging selects
all the points in the cur ve or surface.
Tip: Rows and columns are easily visible when
theNURBSsurfaceisplanar,ornearlyso.When
the surface has a complicated curvature, rows
and columns can be more difficult to see. The
Row , Column, and Row/Column buttons can be
especially useful in this situation.
Name—Shows the name of the currently selected
point. It is disabled if you have selected multiple
points.
By default, the name is "Point" followed by a
sequence number. You can use this field to give the
point a name that you choose.
Hide—Click to hide the currently selected points.
Unhide All —Click to unhide all hidden points.
Fuse —Fuses a point to another point. ( You can’t
fuse a CV to a point, or vice versa.) This is one way
to connect two curves or surfaces. It is a lso a way
to change the shape of curves and surfaces.
Fusing points does
not combine the two point
sub-objects. They are connected but remain
distinct sub-objects that you can unfuse later.
Fused points behave as a single point until you
unfuse them.
Fused points are displayed in a distinct color. The
default is purple. (You can change this color using