Sea

Simulate simulate.sea

Floods the terrain below Sea level from the world's edges and wears the land just above it into beaches. Outputs the coast-worn Height, the Water surface, the Sea mask, a Shallows mask (fading with depth) and a Shoreline mask.

Output with default settings, rendered by LibreTerrain.

Inputs

Port	Type
Terrain	Heightfield

Outputs

Port	Type
Height	Heightfield
Water surface	Heightfield
Sea	Mask
Shallows	Mask
Shoreline	Mask

Settings

Setting	Default	Range / options	Description
Sea level	200 m	-10,000 to 20,000 m	Height of the sea surface, in metres.
Only from edges	On		Flood only ground the sea can reach from the world's edges. Off: everything below sea level is sea, even inland hollows.
Shallows depth	30 m	0.1 to 10,000 m	Depth at which the Shallows mask fades to black.
Shore width	60 m	0 to 10,000 m	Width of the Shoreline mask on each side of the waterline, and how far inland the coast is worn.
Beach height	10 m	0 to 1,000 m	Land up to this far above sea level near the coast is worn into beaches.
Coastal erosion	0.6	0 to 1	How much the coast is flattened towards sea level. 0 leaves it unchanged.

See also

Hydraulic Erosion · Lakes · Rivers · Snow · Thermal Erosion