The Control Edge tool lets you move, stretch, and soften the edges of a matte. You can widen an edge, offset it toward the interior or exterior, and blur its inner and outer extremities separately.
(a) Original matte (b) Modified with Control Edge (c) Alpha Remapped
The Control Edge tool has the following parameters:
| Use: | To: |
|---|---|
| Outer Distance | Control the width and offset of the outer edges. |
| Inner Distance | Control the width and offset of the inner edges. |
| Link Distance | Link the Outer and Inner Distance sliders so that the alpha edges are thickened by an amount of twice the slider value, centered about their original position in the input image. By default, the Link button is enabled. |
| Outer softness | Add blur to the outside extremities of edges. |
| Inner Softness | Add blur to the inside extremities of edges. |
| Link Softness | Link the Outer and Inner Softness sliders. By default, the Link button is enabled. |
| Remap Alpha Curve | Remap the alpha as the last step in the internal pipeline. |
| Reset | Reset the alpha remapping curve. |
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