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1064 Chapter 9: Sur face Modeling
when you release the mouse button after changing
the sett ing .
The state of Full Interactivity doesn’t affect
changing a numeric setting from the keyboard.
Whether it’s on or off, the setting takes effect only
when you exit the field by pressing TA B or ENTER,
or by clicking a different control in the dialog.
Polygon Properties rollout
These controls let you work with material IDs,
smoothing groups, and vertex colors.
Material group
Set ID—Lets you assign a particular mater ial ID
(page 3–1063)
number to selected sub-objects for
use with
multi/sub-object materials (page 2–1403)
and other applications. Use the spinner or enter
the number from the keyboard. The total number
of available IDs is 65,535.
Select ID—Selectssub-objectscorrespondingto
the Material ID specified in the adjacent ID field.
Type or use the spinner to specify an ID, then click
the Select ID button.
[S elect B y Na me]—This drop-down list shows
the names of sub-materials if an object has a
M ulti/Sub-Object material assigned to it. Click
the drop arrow and choose a sub-material from
the list. The sub-objects that are assigned that
material are selected. If an object does not have
aMulti/Sub-Objectmaterialassigned,thename
list is unavailable. Likewise, if multiple objects
areselectedthathaveanEditPatch,EditSpline,
or Edit Mesh modifier applied, the name list is
inactive.
Note: Sub-material names are those specified in the
Name column on the material’s Multi/Sub-Object
Basic Parameters rollout; these are not created by
default, and must be spe cified separately from any
material names.
Clear Sel ection—When on, choosing a new ID or
material name deselects any previously selected
sub-objects. When off, selections are cumulative,
so new ID or sub-material name selections add to
the existing selection set of patches or elements.
Default=on.
Smoothing Grou ps group
Use these controls to assign selected polygons to
different
smoothing groups (page 3–1107) ,andto
select polygons by smoothing group.
To assign polygons to one or more smoothing
groups, select the polygons, and then click the
number(s) of the smoothing group(s) to assign
them to.
Select B y SG (S moothing Grou p)—Displays a dialog
that shows the current smoothing g roups. Select
a group by clicking the corresponding numbered
button and clicking OK. If Clear Selection is
on, any previously selected polygons are first