Crater

Terrain terrain.crater

An impact crater: a bowl with a raised rim and a flat floor, placed on the input terrain (or on flat ground).

Output with default settings, rendered by LibreTerrain.

Inputs

Port	Type
In	Heightfield	Optional

Outputs

Port	Type
Out	Heightfield

Settings

Setting	Default	Range / options	Description
Radius	1,200 m	1 to 1,000,000 m	Radius of the rim, in metres.
Depth Mask port	300 m	0 to 10,000 m	Depth of the bowl below the surrounding ground, in metres.
Rim height	120 m	0 to 10,000 m	Height of the rim above the surrounding ground, in metres.
Rim width	0.6	0.05 to 4	How far the raised rim and ejecta spread outside, as a fraction of the radius.
Flat floor	0.3	0 to 0.9	Size of the flat floor, as a fraction of the radius.
Roughness	0.3	0 to 1	Amount of irregular, noisy detail.
Base	0 m	-10,000 to 20,000 m	Height of the surrounding ground, when no input is connected.
Position X	0 m	-1,000,000 to 1,000,000 m	East/west offset from the centre of the world, in metres.
Position Y	0 m	-1,000,000 to 1,000,000 m	North/south offset from the centre of the world, in metres.
Seed	0	0 to 999,999	Change for a different variation.

Mask ports

Settings marked Mask port can be driven by a mask. Click the setting's Mask port button and connect a mask to the new green input: black scales the value to 0, white keeps the value you set.

See also

Canyon · Dunes · Mountain · Plateau · Ridge