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1596 Chapter 16: Material Editor, Materials, and Maps
5.
Apply a Material modifier (page 1–714),and
set the material ID value to the number of the
sub-material you want to assig n.
Theviewportupdatestoshowthesub-material
assigned to the selected faces.
The material ID values in the Multi/Sub-Object
mater ial and the material ID numbers in the
Select Face rollout correspond. If you set the
ID to a number that doesn’t correspond to a
material contained in the Multi/Sub-Object
material,thefacesrenderasblack.
Wa rning: Some geometric primitives do not use 1 as
the default material ID, and some, such as hedra or box,
have multip le material IDs by default.
Tip:
Yo u c a n a l s o u s e t h e Edit Mesh modifier (page
1–634) to assign a contained material to selected
faces. Apply Edit Mesh to the object, go to the
Face sub-object level, and select the faces to assign.
Then on the Edit Surface rollout, set the material
ID value to the ID of the sub-material. (You can
drag and drop (page 2–1424) aMulti/Sub-Object
material to an Edit Mesh modifier as you can to
an editable mesh object.)
To add a new s ub-materia l:
•ClickAdd.
Anewsub-materialisaddedtotheendof
the list. By default, the new sub-material’s ID
number is one g reater than the hig hest material
ID already i n use.
To remove a sub-material:
1.
Select the sub-material by clicking its smal l
sample sphere in the Multi/Sub-Object Basic
Parameters rollout.
The small sample sphere is surrounded
by a black and white border to show the
sub-material is selected.
If the list of sub-materials is longer than the
rollout will hold, you can use the scroll bar at
the right to display other parts of the list.
2. Click Delete.
The sub-material is removed.
Deleting a sub-material is an undoable
operation.
Interfa ce
Number —This field displays the number of
sub-materials contained in the Multi/Sub-Object
material.
Set Number—Sets the number of sub-materials
make up the m aterial. At the Multi/Sub-Object
materiallevel,thesampleslot’ssampleobject
shows a patchwork of the sub-materials. (When
you edit a sub-material, the sample slot display
depends on the setting of the Simple Multi Display
Below Top Level toggle on the Material Editor
Options dialog (page 2–1436).)
Reducing the number of sub-materials removes
sub-materia ls from t he end of the list. You can