9

Using the Modifier Stack 503
changes you make ripple upward through the
stack, changing the current state of the object.
Adding Mu ltiple M o difie rs
Yo u c a n a p p l y a n y n u m b e r o f m o d i f i e r s t o a n
object, including repeated applications of the same
modifier. As you start applying object modifiers
to a n object, the modifiers "stack up" in the order
they’re applied. The first modifier appears just
above the object type at the bottom of the stack.
• The program inserts a new modifier in the stack
just above the current selection, but always
in the proper location. If you try to insert a
world-space m odifier b etween two object-space
modifiers, the program automatically places it
at the top of the stack.
• If you select the object typ e on the stack a nd
apply a new object-space modifier, it appears
justabovetheobjecttypeandbecomesthefirst
modifier evaluated.
Effect of S tack Seq u ence
Thesoftwareappliesmodifiersintheirstack
order (b eginning at the bottom and carrying
thecumulativechangeupward),soamodifier’s
location in the stack can be cr itical.
The following fig ure shows t he difference between
the objects based entirely on a reversal in the stack
order of two modifiers. On the left-hand tube, a
Taper modifier is applied before a Bend modifier,
and on the right-hand tube, the Bend is applied
first.
Results of reversing stack order of two modifiers
Using the B uttons
The Modifier Stack rollout has the following
buttons to help you manage the stack:
Pin Stack —Locks the stack and all Modify
panel controls to the selected object’s stack. You
can continue to edit the object even if you select a
different object in the viewports.
Show End Result—When on, shows the effect
oftheentirestackontheselectedobject.When
off, shows the effect of the stack only up to the
currently highlighted modifier.
Mak e Unique—Makes an instanced object
unique, or an instanced modifier unique to a
selected object. S ee details in Editing the Stack
(page 1–504).Thisoptionisalsoavailablefrom
the Modifier Stack right-click menu (page 3–766).
Remove Modifier—Deletes the current
modifier from the stack, eliminating all changes
caused by that modifier.
Configure M odifier Sets—Click to display
a pop-up menu that lets you configure how to
display and choose modifiers on the Modify panel.