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Simplex ​

Noise noise.simplex GPU

Single-layer simplex noise: smooth, with fewer grid-aligned artefacts than Perlin.

Simplex with default settings

Output with default settings, rendered by LibreTerrain.

Outputs ​

PortType
OutHeightfield

Settings ​

SettingDefaultRange / optionsDescription
Feature size3,000 m10 to 100,000 mSize of the largest features, in metres.
Height Mask port1,000 m0 to 20,000 mDifference between the lowest and highest points, in metres.
Base0 m-10,000 to 10,000 mHeight of the lowest points, in metres.
Offset X0 m-1,000,000 to 1,000,000 mSlide the noise east/west.
Offset Y0 m-1,000,000 to 1,000,000 mSlide the noise north/south.
Seed00 to 999,999Change 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

Code dual-licensed MIT / Apache-2.0. "LibreTerrain" and its logo belong to EllisonDigital.