Disk Forge

Shape the world

Seed

Tectonic plates

Land

Erosion

Giant impacts

Hotspot volcano chains

Climate

Cold hub Hot hub North to south

Grid, cells across

256 384 512 768

The disk is 16,000 km wide, so a cell is 62 km at 256 and 21 km at 768.

Height exaggeration

Rivers shown

Show the sea

One JSON file with height, plates, climate, flow and watersheds as typed arrays, plus the river paths.