n nearest nieighboayho o1 n aagrams we will represent

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Unformatted text preview: r s X [ d Di nd Y [1 .. n Nearest Nieighboayho o1 .. n] aagrams ]. We will represent the convex hull vertices in counterclockwise order. if the ith p oint is a vertex of the conv the next vertex counterclockwise and pr ed[i] is the index of the next ve Computational Geometry Lecture 12: Delaunay Triangulations Windowing next[i] = pr ed[i] = 0. It doesn’t matter which vertex we choose as th cis on t se t ver ice GeometricdeInitero lisctiotnss counterclockwise instead of clockwise is arbitrary To simplify the presentation of the convex hull algorithms, I will assu general position, meaning (in this context) that no three points lie on a like assuming that no two elements are equal when we talk ab out sorting to ea l Range Querrielsy implement these algorithms, we would have to handle colinear t consistently. This is fairly easy, but definitely not trivial. Motivation Interval trees Priority search trees ✦ Windowing queries Computational Geometry ✦ E.2 Simple Cases Lecture 10: Voronoi diagrams Any convex prop er subset of the convex hull excludes at least one p at every vertex of the con...
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