I have seen examples where for the purpose of overlay operations, someone chops
up their large polys into smaller ones, each with an attribute that contains
the id for the large poly. I don’t know if that would fit your use case.
David.
From: mapserver-users
G’day Lydon,
I feel your pain, but there is little benefit to creating more quadrants. The
idea (as I understand it - could be wrong) is to be able to use a (fast)
bounding box to find the polygons to test, rather than having to test against
every polygon using more complex algorithms.
I