ColorLookup
Per-channel colour curves.
| Node | ColorLookup |
|---|---|
| Menu | Color › ColorLookup |
| Names in each format | |
| .oink comp (JSON) | "type": "OC_N_colorlookup" |
| .nk script | ColorLookup (how .nk import works) |
| Python | nuke.createNode("ColorLookup") |
| Assistant (MCP) | create_node(type="ColorLookup") |
| Tab search | colorlookup, or its initials cl |
Inputs and outputs
| Port | Name | Type |
|---|---|---|
| input 0 | Image | image |
| input 1 | mask | image |
| output 0 | Image | image |
Knobs
Panel tab ColorLookup, in panel order.
| Knob | Label | Type | Default | Range / values | .nk knob | Description |
|---|---|---|---|---|---|---|
channels | channels | menu | rgba | rgba, rgb, alpha, all, none | Layer the op applies to: rgb, rgba, alpha, all, none, <layer> or <layer>.<ch> | |
use_precomputed | use precomputed table | bool | true | use_precomputed | ||
range | range | float | 1 | 0 to 10 | range | |
lut | lut | curves | {master {} red {} green {} blue {} alpha {}} | |||
source | source | colour ×3 | 0, 0, 0 | 0 to 1 | source | |
target | target | colour ×3 | 0, 0, 0 | 0 to 1 | target | |
setRGB | Set RGB | button (panel only) | ||||
setRGBA | Set RGBA | button (panel only) | ||||
setA | Set A | button (panel only) | ||||
mask_channel | mask | menu | none | none, rgba.alpha, rgba.red, rgba.green, rgba.blue | Mask channel, e.g. rgba.alpha (none = no mask) | |
inject | inject | bool | false | Copy the mask into mask.a for nodes downstream | ||
invert_mask | invert | bool | false | invert_mask | ||
fringe | fringe | bool | false | Only apply the effect at the edges of the mask | ||
unpremult | (un)premult by | menu | none | none, rgba.alpha | ||
invert_unpremult | invert | bool | false | (Un)premultiply by 1 - alpha | ||
mix | mix | float | 1 | 0 to 1 | mix |
Other knobs (Python, .nk and the assistant; not on the panel)
| Knob | Label | Type | Default | Range / values | .nk knob | Description |
|---|---|---|---|---|---|---|
gl_color | Viewer Controls Color | float ×3 | 0, 0, 0 | 0 to 1 | ||
postage_stamp_frame | Static Frame | int | 1 | -2147483648 to 2147483647 | ||
lifetimeStart | Lifetime Start | int | 0 | -2147483648 to 2147483647 | ||
lifetimeEnd | Lifetime End | int | 100 | -2147483648 to 2147483647 | ||
useLifetime | Use Lifetime | boolean | false | |||
cached | Cached | boolean | false | |||
bookmark | Bookmark | boolean | false | |||
dope_sheet | Dope Sheet | boolean | false | |||
clone_group | Clone Group | string | ||||
link_source | Link Source | string | ||||
link_overrides | Link Overrides | string | ||||
split_views | Split Views | string |