Heightmap Type

A string used for various game calculations to determine the highest Y level of a coordinate in a world.

Values

Value	Description
world_surface	Queries the Y level of the highest non-air block.
world_surface_wg	Queries the Y level of the highest non-air block (only used on world generation.)
ocean_floor	Queries the Y level of the highest block that has collision, except carpets.
ocean_floor_wg	Queries the Y level of the highest block that has collision, except carpets (only used on world generation.)
motion_blocking	Queries the Y level of the highest block that has collision or contains a fluid (e.g: water, lava, or fluidlogged blocks.)
motion_blocking_no_leaves	Queries the Y level of the highest block that has collision or contains a fluid, except leaves (e.g: water, lava, or fluidlogged blocks.)