Download PDF by Elmar Langetepe: Geometric Data Structures for Computer Graphics

By Elmar Langetepe

Targeting algorithms and information buildings that experience confirmed to be flexible, effective, basic, and straightforward to enforce, this ebook familiarizes scholars, in addition to practitioners within the box of special effects, with a variety of information buildings.

Show description

Read or Download Geometric Data Structures for Computer Graphics PDF

Best popular & elementary books

Read e-book online Analytic theory of continued fractions PDF

The idea of persevered fractions has been outlined by way of a small handful of books. this is often certainly one of them. the focal point of Wall's ebook is at the examine of persisted fractions within the thought of analytic capabilities, instead of on arithmetical features. There are prolonged discussions of orthogonal polynomials, energy sequence, countless matrices and quadratic types in infinitely many variables, yes integrals, the instant challenge and the summation of divergent sequence.

Ilka Agricola and Thomas Friedrich's Elementary geometry PDF

Uncomplicated geometry presents the basis of contemporary geometry. For the main half, the normal introductions finish on the formal Euclidean geometry of highschool. Agricola and Friedrich revisit geometry, yet from the better standpoint of college arithmetic. aircraft geometry is constructed from its easy gadgets and their houses after which strikes to conics and easy solids, together with the Platonic solids and an evidence of Euler's polytope formulation.

Extra info for Geometric Data Structures for Computer Graphics

Sample text

7. 2. I. I. For the inductive construction of a d-dimensional range tree, let xi denote the ith coordinate. 8 for a 2D example. A d-dimensional range tree with respect to (X1, X2, …, Xd) is inductively defined as follows. 8: Some parts of the 2D range tree of eight points in 2D. The range tree T and the relevant trees for the nodes u1, u2, and u3 with , , and for the query rectangle R = I1 × I2 with intervals I1 &"unicode">⊂ Y. 11: The inductive construction algorithm of a d-dimensional range tree.

A range query with an axis-parallel rectangle can be answered in time O( + a), where a denotes the size of the answer. As mentioned earlier, the 2D kd-tree can be easily generalized to arbitrary dimension d, splitting the points successively with respect to the given axes in a balanced way. Fortunately, the depth of the balanced tree still is bounded by O(log n), and the tree can be built up in time O(n log n) and space O(n) for fixed dimension d. Therefore, the kd-tree is optimal in space. A rectangular range query can be answered in time .

We have to report the horizontal segments h stabbed by the x-coordinate x of s. For the left endpoints of such a segment h, we have 36 Chapter 2: Orthogonal Windowing and Stabbing Queries Chapter 2: Orthogonal Windowing and Stabbing Queries 37 to take care that the y-coordinate of h lies also in the interval [yl, yu]. 1. We replace the sorted list ML and MR of the left and right endpoints of Smed by two range trees. A 2D range tree ML for the left endpoints of the segments in Smed and a 2D range tree MR for the right endpoints of the segments in Smed.

Download PDF sample

Geometric Data Structures for Computer Graphics by Elmar Langetepe


by Edward
4.0

Rated 4.20 of 5 – based on 30 votes