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Dunes ​

Terrain terrain.dunes

A field of transverse sand dunes: gentle windward slopes, steep slip faces and sinuous crests.

Dunes with default settings

Output with default settings, rendered by LibreTerrain.

Outputs ​

PortType
OutHeightfield

Settings ​

SettingDefaultRange / optionsDescription
Wind direction0 °0 to 360 °Direction the wind blows towards. Steep slip faces face this way. 0° = +X (right).
Spacing450 m1 to 100,000 mDistance between dune crests, in metres.
Height Mask port35 m0 to 20,000 mHeight of the feature above its base, in metres.
Base0 m-10,000 to 10,000 mHeight of the surrounding ground, in metres.
Asymmetry0.750.5 to 0.95Share of each dune taken by the gentle windward slope. 0.5 = symmetric.
Sinuosity220 m0 to 100,000 mHow far the crests snake back and forth, in metres.
Height variation0.50 to 1How much dune height varies across the field.
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 ​

Canyon · Crater · Mountain · Plateau · Ridge

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