Theme Override Volumes let you apply another theme on certain portions of your dungeons that are covered by this volume. These are useful for adding variations to your dungeons.
Asset/DungeonArchitect/Prefabs and drag drop the
ThemeOverrideVolume prefab on to the scene
Move and scale it to cover a certain portion of the dungeon
Select the theme override volume you just dropped and inspect the properties and assign the DungeonGrid reference
Assets/DungeonArchitect_Samples/Demo_Theme_SimpleShapes/Themes and assign the theme
Theme_Basic_White to the Theme Override Volume