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356 Chapter 19: Video Post-Production
Inter face
Size—Specifies the overa l l size of t he r ing as a
percentage of the overal l frame and represents
the diameter of the ring. The ring radius should
be larger than the glow radius to make the lens
flare look convincing. This parameter is separate
from the overall size spinner in the Lens Flare
Effects section of the dialog. This parameter can
be animated (page 3–349).
Thick—Specifies the overall thickness of the ring,
as a percentage of the overall size of the frame.
When the ring is fairly thick, the size of the ring
ismeasuredtotheinnerradius. Thethickness
controlshowthicktheringisfromthatpoint
outward. This parameter can b e animated.
Hue—Specifies the gradation of color for the ring.
This parameter can be animated.
Gradients—Use radial, circular, transparenc y, and
size gradients (page 3–377).
Automatic Seconda r y Fla re
Parameters
Rendering menu > Video Post > Video Post toolbar > Add
ImageFilterEvent>ChooseLensEffectsFlarefromFilter
Plug-In list. > Setup > A Sec tab
Secondary flares are the small circles you would
normallyseecomingoutfromthesourceofthe
lens flare along an axis relative to the camera
position. These are caused by light refracting
off the different lens elements in the camera.
As the camera position changes relative to the
source object, the secondary flares move. These
secondary flares are automatically generated w hen
this option is selec ted in the Preferences section
of the dialog.
You create sets of secondar y elements that share
common parameters instead of building them one
at a time. Man y of the controls on the A Sec panel
are for individual sets of elements, not all sets.
Interfa ce
Min—Controls the minimum size of secondary
flares in the current set. This number is defined as
a p ercent age of the overall image. This parameter
can be animated (page 3–349).
Max—Controls the maximum size of secondary
flares in the current set. This number is defined as