Simplex
Noisenoise.simplex GPUSingle-layer simplex noise: smooth, with fewer grid-aligned artefacts than Perlin.

Output with default settings, rendered by LibreTerrain.
Outputs
| Port | Type | |
|---|---|---|
| Out | Heightfield |
Settings
| Setting | Default | Range / options | Description |
|---|---|---|---|
| Feature size | 3,000 m | 10 to 100,000 m | Size of the largest features, in metres. |
| Height Mask port | 1,000 m | 0 to 20,000 m | Difference between the lowest and highest points, in metres. |
| Base | 0 m | -10,000 to 10,000 m | Height of the lowest points, in metres. |
| Offset X | 0 m | -1,000,000 to 1,000,000 m | Slide the noise east/west. |
| Offset Y | 0 m | -1,000,000 to 1,000,000 m | Slide the noise north/south. |
| Seed | 0 | 0 to 999,999 | Change for a different variation. |
Mask ports
Settings marked Mask port can be driven by a mask. Click the setting's Mask port button and connect a mask to the new green input: black scales the value to 0, white keeps the value you set.
See also
Billow · Domain Warp · fBm · Perlin · Ridged · Value · Voronoi
