Abstract

In this paper we prove the existence of binary space partitions (BSPs) with linear size for sets of axis-parallel boxes in three dimensional space under certain conditions that are often satisfied in practical situations. In particular, we give an O(n log n) time algorithm to construct a BSP tree with linear size for a set S of axis-parallel boxes where the ratio between the lengths of the longest and the shortest edges of boxes in S is bounded by a constant. The BSP tree constructed is balanced if S has a constant profile.

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