HueKeyer node¶
This documentation is for version 2.0 of HueKeyer (net.sf.openfx.HueKeyer).
Description¶
Compute a key depending on hue value.
Hue and saturation are computed from the the source RGB values. Depending on the hue value, the various adjustment values are computed, and then applied:
amount: output transparency for the given hue (amount=1 means alpha=0).
sat_thrsh: if source saturation is below this value, the output transparency is gradually decreased.
Inputs¶
Input | Description | Optional |
---|---|---|
Source | No |
Controls¶
Parameter / script name | Type | Default | Function |
---|---|---|---|
Hue Curves / hue |
Parametric | amount: sat_thrsh: | Hue-dependent alpha lookup curves:
amount: transparency (1-alpha) amount for the given hue
sat_thrsh: if source saturation is below this value, transparency is decreased progressively.
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