terrain.noise_north_plainRegional detail
What it does
The ground texture for the SNOW end of the map (the third climate strip). Works like the desert version: amp for height, freq for fineness, offset for coverage.
Crinkled low relief across the snowy third; more amp makes the tundra visibly rumpled, amp=0 leaves glass-flat snowfields.
See it on a real map
Reference seed 12345, size 4500. “Try live” opens the generator with the value applied.
default oct=8,freq=1,amp=0.025,offset=0
amp=0 — flat featureless tundra try live →
amp=0.08 — rugged broken snowfields try live →
offset=-0.05 — sparse rough patches try live →