Subdivides a root box (12 numbers: center, x/y/z half-axes) for a QUADTREE tile — the x and y half-axes shrink and the center shifts; the z (vertical) half-axis is kept (height is not subdivided in a quadtree).
box
Subdivides a root
box(12 numbers: center, x/y/z half-axes) for a QUADTREE tile — the x and y half-axes shrink and the center shifts; the z (vertical) half-axis is kept (height is not subdivided in a quadtree).