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Thermal Erosion ​

Simulate simulate.thermal GPU

Moves loose material down slopes steeper than the talus angle. Strength blocks transfer; hardness resists shedding.

Thermal Erosion with default settings

Output with default settings, rendered by LibreTerrain.

Inputs ​

PortType
TerrainHeightfield
StrengthMaskOptional
Rock hardnessMaskOptional

Outputs ​

PortType
HeightHeightfield
Debris / TalusMask

Settings ​

SettingDefaultRange / optionsDescription
Duration60 s0 to 600 sSimulation time. Zero leaves the terrain unchanged.
Talus angle35 °0 to 89 °
Transport rate10 m²/s0 to 100 m²/sDiffusivity of loose material above the talus angle.

See also ​

Hydraulic Erosion · Lakes · Rivers · Sea · Snow

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