Snow

Simulate simulate.snow

Snow settles above the Snow line, lower on slopes facing away from the sun, and slides off cliffs; Melt clears thin snow first. Outputs the snow-covered Height and the Snow mask.

Output with default settings, rendered by LibreTerrain.

Inputs

Port	Type
Terrain	Heightfield

Outputs

Port	Type
Height	Heightfield
Snow	Mask

Settings

Setting	Default	Range / options	Description
Snow line	1,200 m	-10,000 to 20,000 m	Height above which snow settles, in metres.
Transition	250 m	0 to 10,000 m	Height over which snow thins out around the snow line.
Max slope	45 °	0 to 90 °	Snow slides off ground steeper than this.
Shaded side	270 °	0 to 360 °	Direction the shaded slopes face (away from the sun). 270° is up in the 2D view.
Shade effect	250 m	0 to 10,000 m	How much lower the snow line is on slopes facing the shaded side (and higher on sunny ones), in metres.
Melt	0.2	0 to 1	Clears thin snow first. 1 melts everything.
Depth	2 m	0 to 100 m	Depth of full snow cover, added to the height, in metres.
Smoothing	20 m	0 to 1,000 m	Softens the snow cover's edges over this distance, in metres.

See also

Hydraulic Erosion · Lakes · Rivers · Sea · Thermal Erosion