# Noise

> Fractal Perlin noise.

| Node | Noise |
|---|---|
| Menu | Draw › Noise |
| **Names in each format** | |
| .oink comp (JSON) | `"type": "OC_N_noise"` |
| .nk script | `Noise` ([how .nk import works](/docs/nuke-users/nk-import)) |
| Python | `nuke.createNode("Noise")` |
| Assistant (MCP) | `create_node(type="Noise")` |
| Tab search | `noise` |

![Noise properties](/shots/nodes/noise@2x.webp)

## Inputs and outputs

| Port | Name | Type |
|---|---|---|
| input 0 | Image | image |
| output 0 | Image | image |

## Knobs

Panel tab **Noise**, in panel order.

| Knob | Label | Type | Default | Range / values | .nk knob | Description |
|---|---|---|---|---|---|---|
| `output` | output | text | `rgba` |  | `output` |  |
| `replace` | replace | bool | `false` |  | `replace` |  |
| `invert` | invert | bool | `false` |  | `invert` |  |
| `opacity` | opacity | float | `1` | 0 to 1 | `opacity` |  |
| `type` | type | menu | `fBm` | fBm, turbulence | `type` |  |
| `size` | x/ysize | wh ×2 | `350, 350` | 0 to 2000 | `size` |  |
| `zoffset` | z | float | `0` | 0 to 100 | `zoffset` |  |
| `octaves` | octaves | float | `10` | 1 to 32 (integer) | `octaves` |  |
| `nyquist` | clip at Nyquist limit | bool | `true` |  | `nyquist` |  |
| `lacunarity` | lacunarity | float | `2` | 1 to 10 | `lacunarity` |  |
| `gain` | gain | float | `0.5` | 0 to 1 | `gain` |  |
| `gamma` | gamma | float | `0.5` | 0 to 2 | `gamma` |  |
| `translate` | translate | vector ×2 | `0, 0` | -5000 to 5000 | `translate` |  |
| `rotate` | rotate | float | `0` | -180 to 180 | `rotate` |  |
| `scale` | scale | wh ×2 | `1, 1` | 0 to 4 | `scale` |  |
| `center` | center | vector ×2 | `0, 0` | -5000 to 5000 | `center` |  |
| `xrotate` | xrotate | float | `30` | -180 to 180 | `xrotate` |  |
| `yrotate` | yrotate | float | `30` | -180 to 180 | `yrotate` |  |

### 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 |  |  |  |  |


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Sources: opencomp_core/nodes/color/lookup_nodes.py, opencomp_electron/src/components/properties/knobSchema.ts, opencomp_core/nk/mapping.py