2008

You create a fire apparatus, or "gizmo," to position the effect in your scene
and to define the maximum boundaries of the effect. The apparatus is a Helper
object found in the Atmospheric Apparatus subcategory.
There are three kinds of apparatus:
BoxGizmo on page 6561 , SphereGizmo on
page 6567 , and
CylGizmo on page 6564 .
You can move, rotate, and scale the apparatus, but you cannot apply modifiers.
Using non-uniform scale is a good way to change the shape of the apparatus
for effects. (You will see a warning when you use this transform. Because you
don't modify atmospheric apparatus, you can safely ignore the warning.)
Fire Parameters rollout
You must assign an atmospheric apparatus to a fire effect before you can render
the effect. Use buttons in the Gizmos area to manage the list of apparatus
objects.
Gizmos group
Gizmo for the fire in the scene shown at the beginning of this topic
6498 | Chapter 19 Effects and Environments