Switch
Pass one of its inputs through (which).
| Node | Switch |
|---|---|
| Menu | Merge › Switch |
| Names in each format | |
| .oink comp (JSON) | "type": "OC_N_switch" |
| .nk script | Switch (how .nk import works) |
| Python | nuke.createNode("Switch") |
| Assistant (MCP) | create_node(type="Switch") |
| Tab search | switch |
Inputs and outputs
| Port | Name | Type |
|---|---|---|
| input 0 | 0 | image |
| input 1 | 1 | image |
| output 0 | Image | image |
Knobs
Panel tab Switch, in panel order.
| Knob | Label | Type | Default | Range / values | .nk knob | Description |
|---|---|---|---|---|---|---|
which | which | float | 0 | 0 to 1 | which | Input to pass through (floored, clamped) |
nk_inputs | inputs | float | 2 | 1 to 16 (integer) | inputs |
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 |
Knob names in .nk scripts
| .nk knob | Knob here |
|---|---|
inputs | nk_inputs |
Other .nk knobs use the same name here. See .nk import.
Examples
Open these from Help › Examples…, or from the ? menu in this node's Properties panel.
- Merge operations: multiply, screen, plus (
examples/merge/merge_operations.oink): Three Merges on the same A and B: multiply (darkens), screen (lightens), plus (adds light). The Switch picks which one the Viewer sees; change its "which" knob to compare.