By Topic

An Algorithm for Splitting Arbitrary Polygon

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Liang Wu ; Fac. of Inf. Eng., China Univ. of Geosci., Wuhan, China ; Guang Tian ; Zhong Xie

An algorithm for splitting arbitrary polygons with a polyline is described in this paper. Starting from introducing the existing theories in computational geometry and computer graphics, the paper describes the three major steps of this algorithm: 1) search lines with the sweep-line algorithm based on sorted edges of polygon, splitting polyline, and the most bounding rectangular determination; 2) calculate and select the intersection points, and save them in a node list together with the additional information needed in the last step of the algorithm; 3) construct the output polygons by performing independent walk-abouts through input polygons and the node list. This algorithm is able to do the common operations of arbitrary polygon splitting (convex and concave, curve edge, including finite number of holes). Also, it can split polygons with sharing edges. In the mean time, direct memory reading and overall computing strategy are adopted in implementation of the algorithm to enhance the efficiency.

Published in:

2009 Fifth International Conference on Natural Computation  (Volume:6 )

Date of Conference:

14-16 Aug. 2009