OptionalcirclesOptionalcolor"#rrggbb" or "#rrggbbaa", overrides the role colour
Optionaldepth"ghost" draws as "test" until the ghost pass arrives
Unique within the overlay
OptionallabelOptionallabel"hover": the label only while the item or one of its qids is hovered; default "always"
Optionalliftmm above the plane, default 15
OptionalplaneOptionalpolygonsOptionalqidsRelated model objects
OptionalroleOptionalstoreyOptionalstyleOptionaltooltipOptionalviewsOptionalz
Planar polygons (flat x,y rings, not closed) and circles, on the plane z or in
plane