Borut Žalik (Author), Anton Jezernik (Author), Krista Rizman Žalik (Author)

Abstract

A new efficient algorithm is described for the simple trapezoidation of polygons based on a sweep-line paradigm. As the sweep-line glides over the plane, a set of so-called open trapezoids is generated and maintained. It is shown that a boundary case (more polygon vertices are located on the sweep-line) can be solved safely and does not slow down the algorithm. If desired, the polygon holes can be trapezoidated simultaneously. This proposed algorithm when compared with the fastest known algorithm developed by Seidel resulted in more efficiency for different classes of polygons.

Keywords

mnogokotniki;deljenje mnogokotnikov;trapezoidacija;računalniška geometrija;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UM FERI - Faculty of Electrical Engineering and Computer Science
UDC: 004.4:514.116
COBISS: 8326422 Link will open in a new window
ISSN: 0097-8493
Views: 1394
Downloads: 111
Average score: 0 (0 votes)
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Other data

Secondary language: English
Secondary keywords: polygon;polygon decomposition;trapezoidation;computational geometry;
URN: URN:SI:UM:
Pages: str. 791-800
Volume: ǂVol. ǂ27
Issue: ǂiss. ǂ5
Chronology: 2003
ID: 8718865
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