The mountain erosion node simulates the effect of fluvial erosion and rock weathering over a wide time span. The simulation produces results different from those of hydraulic erosion: more uniform carving on the slopes and less sedimentation. The user controls the strength of the erosion and the shape of the crevices that emerge.
To add a Mountain erosion node, right click in the Graph Editor and select Create Node > Simulation > Mountain erosion.
This node only transforms an input terrain and does not output water or sediment layers.
Double click on the node to open its parameters:
Set the following parameters:
Most of the parameters can be driven by a mask provided by the user.
The tile being calculated is highlighted and surrounded by a red frame. This is only visible if the erosion parameters window is open.
The simulation may produce geometric artifacts, such as noise, oscillations, holes, crenellations, etc. See Troubleshooting to learn how to avoid these problems.
|Number of iterations||Sets the number of iterations|
|Strength||Sets the strength of the erosion|
|Wrinkling||Controls the appearance of rivers and crevices on the slopes of the mountain|
|Smoothness||Controls the shape of the slopes|
Some combinations of parameters may lead to a divergent simulation.
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