2011

Table Of Contents
The Blur Alpha tool has the following parameters:
X Radius Change this value to blur horizontal pixels.
Y Radius Change this value to blur vertical pixels.
Link Select to link X and Y values.
NOTE X and Y Radius are animatable attributessee Marking Attributes for
Keyframing
on page 674.
Clamp Alpha
The Clamp Alpha tool is used to bring the alpha channel of the primary input
within a predetermined range. You can use clamp alpha values outside of the
[0,1] range in order to prepare the alpha channel for use in compositing
operators. This is necessary because Composite does not force alpha values to
be in the [0,1] range.
The Clamp Alpha tool contains the following parameters:
Minimum Alpha Set Largest negative float point. By default, Min is 0.
Maximum Alpha Set Largest positive float point. By default Max is 1.0.
NOTE Min and Max Alpha are animatable attributessee Marking Attributes for
Keyframing
on page 674.
Cleanup Alpha
The Cleanup Alpha tool lets you remove gray details from white and/or black
regions of the alpha channel. You can choose to remove holes in black regions,
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