Keying Controls
Every key type offers a different set of controls. If a control is unavailable, it is grayed out. The following table summarizes the options that are available for each key type.
| KEY TYPE | SIMILARITY | BLEND | THRESHOLD | CUTOFF | REVERSE KEY | DROP SHADOW | SMOOTHING |
|---|---|---|---|---|---|---|---|
| None | ✓ | ||||||
| Luminance Keys Luminance | ✓ | ✓ | |||||
| Multiply | ✓ | ||||||
| Screen | ✓ | ||||||
| Chrominance Keys Chroma | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| Blue screen | ✓ | ✓ | ✓ | ||||
| Green screen | ✓ | ✓ | ✓ | ||||
| RGB difference | ✓ | ✓ | ✓ | ||||
| Alpha Keys Alpha | ✓ | ||||||
| Black alpha matte | |||||||
| White alpha matte | |||||||
| Matte Keys Image matte | ✓ | ||||||
| Track matte | ✓ | ||||||
| Difference matte | ✓ | ✓ | ✓ | ✓ |
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