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340 Chapter 5: Creating Geometry
Displaying the hidden operand after A-B
Displaying the hidden operand after B-A
Update group
By default, Booleans are updated w henever you
change the operands. A scene that contains one
or more complicated, animated Booleans can
impede performance. The update options provide
alternate methods to improve performance.
•
Always—UpdatesBooleansimmediatelywhen
yo u change an operand, including the original
object of an instanced or referenced B operand.
This is the default behavior.
•
When R ender ing—Updates Booleans only when
you render the scene or click Update. With this
option, viewports don’t always show current
geometry, but you can force an update when
necessar y.
•
Manually—UpdatesBooleansonlywhenyou
click Update. With this option, the viewports
and the render output don’t always show
current geometry, but you can force an update
when necessary.
Update—UpdatestheBoolean.TheUpdatebutton
is not available when Always is selected.
Material Attach Options Dialog
Use objec ts with different materials assigned to them. >
Create panel > Geometry > Compound Objects > Object
Type rollo ut > Boolea n > Pick Boolean rollout > Pick
Operand B button > Select object in the viewpo rt that
is operand B.
When you use B o olean operations with objects
that have been assigned different materials,
3ds Max displays the Material Attach Opt ions
dialog. This dialog offers five m ethods for
handling the materials and the
material IDs (page
3–1063)
in the resultant Bo olean object.
Note: If operand A has no material, and operand
B has a material assigned, the Boolean dialog lets
youchoosetoinheritthematerialfromoperandB.
If operand A has a material assigned and operand
B has no material assi gned, the Boolean object
automatically inherits mat erials from operand A.