Just for the record: The original paper in which they found that merging the trees of binary space partition yields set operations: http://www.cse.yorku.ca/~ama

Just for the record: The original paper in which they found that merging the trees of binary space partition yields set operations: http://www.cse.yorku.ca/~amana/research/bsptSetOp.pdf http://www.cse.yorku.ca/~amana/research/bsptSetOp.pdf