2008

Interface
The Preferences panel is divided into four sections: Scene, Distance Fade,
Effect, and Color.
Scene group
Affect Alpha Specifies whether or not the glow affects the alpha channel of
the image, when rendered to a 32-bit file format.
Affect Z Buffer Specifies whether or not the glow affects the Z-Buffer of the
image. When this option is enabled, the linear distance of the glow is recorded,
and can be used in special effects that make use of the Z-Buffer. For example,
Lens Effects Focus blurs objects based on their Z-Buffer information. To use
Focus with a glow, you must enable this option.
Distance Fade group
These controls fade the glow effect, based on its distance from the camera.
This is the same as distance fade for the lens flare.
Bright Lets you fade the brightness of the glow effect based on the distance
from the camera. This is ideal for submarine running lights and any other
effect where you want your glow to disappear into the distance. This parameter
can be
animated on page 6647 .
Size Lets you fade the size of the glow effect based on the distance from the
camera. In most circumstances, you want the overall size of the glow to
Lens Effects Filters | 6681