Roughen

SurfacePalette nodeRoughen

Adds fine noise weighted by steepness, so exposed faces get broken up while flats and valley floors stay smooth.

Inputs

2

Inin

HeightfieldRequired

Maskmask

HeightfieldOptional

Outputs

1

Outout

Heightfield

Parameters

5

Parameter	Type	Default	Range or choices
Amountamount	Number	0.02	0 – 0.2
Frequencyfrequency	Number	40	1 – 200
Octavesoctaves	Integer	4	1 – 8
Slope BiasslopeBias	Number	0.8	0 – 1
Seedseed	Seed	1337	—

When to use

Apply it after the main landform is readable and before final material analysis.

Example connection:

Compatible source → Roughen → Autolevel/Blend → Build Map

Notes

Heightfield outputs are sampled at the active preview resolution and at terrain-voxel density during a build.