Pulls an alpha matte from a brightness band: everything between Min and Max keys in, everything outside it keys out.
| Parameter | Control | Range | Notes |
|---|---|---|---|
| Min | Trough | 0 to 1 | |
| Max | Trough | 0 to 1 | |
| Softness | Trough | 0 to 0.5 | Feathers both edges of the band. |
Outputs an alpha-only matte.
Related: Insert FX Chains.