WebbThis paper considers the following problem: Given a set G of n (possibly intersecting) line segments in the plane, preprocess it so that, given a query ray ρ emanating from a point p, one can quickly compute the intersection point Φ … Webb5 Orthogonal Range Searching--- Querying a Database 5.1 1-Dimensional Range Searching 5.2 Kd-Trees 5.3 Range Trees 5.4 Higher-Dimensional Range Trees 5.5 General Sets of Points 5.6* Fractional Cascading 5.7 Notes and Comments 5.8 Exercises 6 Point Location--- Knowing Where You Are
Lecture 05 - Orthogonal Range Queries or Fast Access to Data …
WebbSimplex Range Reporting on a Pointer Machine, B. Chazelle, B. Rosenberg, Computational Geometry: Theory and Applications 5 (1996), 237-247. ... Quasi-Optimal Upper Bounds for Simplex Range Searching and New Zone Theorems, B. Chazelle, M. Sharir, E. Welzl, Algorithmica 8 (1992), 407-429. WebbSimplex range searching. Simplex range searching is among the most fundamental and central problems in computational geometry [4, 5, 27]. Its importance cannot be overstated: countless geometric algorithms make use of simplex range searching data structures … tcm penang
Parallel Range and Segment Queries with Augmented Maps
WebbIn Chapter 2 the authors saw that geographic information systems often store a map in a number of separate layers, each layer represents a theme from the map, that is, a specific type of feature such as roads or cities, which makes it easy for the user to concentrate … Webb2 maj 2010 · File:SimplexRangeSearching.png From Wikimedia Commons, the free media repository Jump to navigationJump to search File File history File usage on Commons File usage on other wikis No higher resolution available. SimplexRangeSearching.png(429 × … Webbstructures for simplex range searching. In the O(n)-space case, their method has query time O(n1¡1=d+") with O(n1+") preprocessing time for any flxed ">0. Although this brings us closer to the ideal bounds in any dimension, the method seems inherently suboptimal by at tcm praxis lu yang duisburg