2011

Table Of Contents
To:Use:
Link the Outer and Inner Softness sliders. By default, the Link button is
enabled.
Link Softness
Remap the alpha as the last step in the internal pipeline.Remap Alpha
Curve
Reset the alpha remapping curve.Reset
Detect Edge
The Detect Edge tool lets you create an image composed of the edges in an
image. The resulting grayscale image can be used as a matte or to produce
special effects. You can apply the Detect Edge tool to a color or monochrome
image. This tool has many applications, the most useful include:
Delimiting a portion of the matte to perform color corrections on the front
image.
Creating special effects by using it directly on the front or back image.
The Detect Edge tool replaces the source alpha channel with an edge map of
the source alpha.
The Detect Edge tool has the following parameters:
To:Use:
Control the width and offset of the outer edges.Outer Dis-
tance
Control the width and offset of the inner edges.Inner Dis-
tance
354 | Chapter 16 2D Compositing