API automation caves chunk collab custom-object-layer dannypan distant-horizons github grayscale heightmap import java javascript legacy mapsize mca-selector merge new-feature noob ocean optimize ores plugin populate read-only region render river rivers schematics scripting structures super-flat TODO tutorial vanilla-transition water worldedit
You don’t (generally): WorldPainter is a tool for creating maps from scratch. It only cares about terrain and will destroy man-made structures in chunks where terrain is touched. Technically it is possible, but it is not recommended or supported. The exception is to transform terrain far outside of your build areas, and export with read-only…