level
Quadtree levels coarser than this aren't fetched/rendered — a single coarse tile's BBOX would pull too many features. The layer's effective "zoom band" floor. Level n spans 180°/2^n.
Quadtree levels coarser than this aren't fetched/rendered — a single coarse tile's BBOX would pull too many features. The layer's effective "zoom band" floor. Level n spans 180°/2^n.