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560 Chapter 8: Modifiers
A r ubber-band dashed line appears connecting
the mouse cursor to the bo x.
11. You can’t connect this “wire” directly to the
custom attribute, so just left-click in an empty
part of the viewport to open the Parameter
Wiring dialog.
Thehierarchylistontheleftside,Box01,is
expanded to the box’s Height parameter, which
is highlighted.
12. On the right side, exp and this p ath: Object >
Box01 > Modified Object > Att ribute Holder >
Custom Attr ibutes, and then click B ox Height
to highlight it.
13. Click the Two-way Connection button
(double-headed arrow), and then click
Connect.
14. Similarly, connect Height Segments on the left
side to Box Height Seg ments on the right.
15. Close the Parameter Wiring dialog.
16. Right-click the box again, choose Parameter
Wiring, choose Modified Object > Taper
> Amount, and then left-click to open the
Parameter Wiring dialog .
The Amount parameter is highlighted on the
left side of the dialog.
17. On the right side, click the Attribute Holder’s
Taper Amount parameter, and then connect
them.
18. Connect Curvature on the left side to Taper
Curve on the r i ght side, and then close the
dialog.
All the parameters are now hooked up.
19. Experiment with changing the values on t he
Custom Attributes rollout.
The Attr ibute Holder modifier lets you change
the box’s creation parameters as well as the
Taper modifier’s settings without switching
back and forth in the modifier stack. In this
way you can access, in one convenient location,
as many different parameters from different
levels in an object’s modifier stack, or even
from different objects, a s you like.
Youmightnoticethatyoucan’tsetthetaperto
cur ve inward. You can resolve this by reopening
Parameter Editor , clicking Edit/Delete, and
then modifying the Taper Curve attr ibute to
allownegativevalues.Thechangetakeseffect
immediately, with no rewiring required.
Bend Modifier
Modify panel > Make a selection. > Modifier List >
Object-Space Modifiers > Bend
Make a selection. > Modifiers menu > Parametric
Deformers > Bend
The Bend modifie r lets you bend the current
selection up to 360 degrees about a single axis,
producing a uniform b end in an object’s geometr y.
You can control the angle and direction of the
bend on any of three axes. You ca n also limit the
bend to a section of the geometry.
Bend applied to a streetlight model
Procedures
To bend an object:
1.
Select an object and apply the Bend modifier.