9

Deformation Dialog 369
produce a sharp corner. This type produces a
curvethatlookslikethecornertypebuthas
control handles like the Bezier Smooth type.
•
B ezier S mooth—Adjustable Bezier control point
with locked continuous tangent handles set to
produce a smooth curve.
Selecting Control Points
U se the Move Control Point and Scale Control
Point buttons with standard selection techniques
to select control points.
Pr ocedur es
To d ra g B ezier ta ngent ha ndles:
1.
SelectoneormoreBezierSmoothorBezier
Corner control points to display their tangent
handles.
2. Click one of the Mov e Control Point buttons.
3. Drag any tangent handle.
• Only the tangent handle you drag is affected.
Tangent handles on other selected control
points do not change.
• If the tangent handle you drag is par t of a
Bezier Smooth control point, both handles
move to m aintain the Bezier Smooth t ype.
• If t he tangent handle you drag is part of
a Bezier Corner control point, only that
handle moves.
To move a control poi nt u sing the Position a nd
Amount fields:
1.
Select a single control point.
2. Do one of the following:
• Move the control point horizontally by
entering a value in the Position field.
• Move the control point vertically by entering
a value in the A mount field.
To change the control point type:
You can change control point types at any time by
right-clicking a selection of one or more control
points.
1. Selectoneormorecontrolpoints.
2. Right-click any selected control point.
3. Choose a control point type from the shortcut
menu.
The following conditions apply to changing
control point types:
• The first and last control points must use the
Corner or Bezier Corner t ype.
•ConvertingaBezierSmoothpointtoa
Bezier Corner point unlocks the tangent
handles but does not change their position.
The cur ve appears smooth until you drag
one of the tangent handles.
• Converting a Bezier Corner point or inserted
Bezier point to Bezier Smooth locks the
tangent handles and changes their position
and m agnitude. The hand les are rotated to
the average between their two angles. The
handle magnitudes are averaged and set
equal.
Interfa ce
Toolbar
Buttons for working with a second curve are
disabled for the Twist and Bevel deform ations,
which use only one curve. The disabled buttons