https://player.vimeo.com/video/749504450?h=4ebbcf8b04&badge=0&autopause=0&player_id=0&app_id=58479
Introduced in Build 1480
tfFlood operator applied to the terrain on the right.
This setting controls the flood height.
Flooding will only occur in areas below this setting.
This function can also be achieved by manually lifting the Y-axis in the viewport.
On the left, the Altitude setting is the default 10cm, raised to 65cm on the right-hand terrain.