Question: Let P, Q be two polygons (not necessarily convex). Consider the planar subdivision (lets call it M) that is formed by overlaying P and Q.

Let P, Q be two polygons (not necessarily convex). Consider the

Let P, Q be two polygons (not necessarily convex). Consider the planar subdivision (lets call it M) that is formed by overlaying P and Q. That is, two points q, q' are in the same face fi of M iff we can walk from q to q' without crossing any segment of aP nor any segment of aQ. Suggest an O((n + k) log n) time algorithm for computing a DCEL structure of M. Let P, Q be two polygons (not necessarily convex). Consider the planar subdivision (lets call it M) that is formed by overlaying P and Q. That is, two points q, q' are in the same face fi of M iff we can walk from q to q' without crossing any segment of aP nor any segment of aQ. Suggest an O((n + k) log n) time algorithm for computing a DCEL structure of M

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