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Thermal Erosion...

Thermal Stress Anisotropy

Thermal Stress Anisotropy governs how erosion and the resulting rocks deposits are shaped. It smooths the terrain while eroding. Low values keep the original terrain intact for the most part, while high values create stronger talus at the expense of eroding the original terrain. For example, sharp peaks get eroded heavily with high stress values.

The image below shows a simplified version of how Thermal Stress Anisotropy affects a terrain.

Node Properties
DurationDuration of the thermal erosion process.
StrengthStrength of the thermal erosion process.
AnisotropyThermal erosion's anisotropy that affects how rock is affected, and deposits formed. See the Anisotropy section for details.
Talus AngleAngle of the talus (deposits).
Talus SettlingSettling of sediments in the talus.
Fine DetailEnable rocky debris in the talus.
Debris SizeSize of the rocky debris in the talus. Available when Fine Detail is turned On
Real ScaleUse the scale defined in the terrain. Disable to access addtional options and modify erosion's physics.
Terrain ScaleScale of the terrain. Available when Real Scale is turned Off
Feature ScaleScale of the largest feature in the terrain.
VerticalityHeight of the terrain.Available when Real Scale is turned Off