Reporting all intersection points, convex polygons: Difference between revisions

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== Parameters ==  
== Parameters ==  


n: number of line segments
$n$: number of line segments


k: number of points of intersection
$k$: number of points of intersection


== Table of Algorithms ==  
== Table of Algorithms ==  
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| [[NIEVERGELT. J.. AND PREPARATA (Section 3) (Reporting all intersection points, convex polygons Line segment intersection)|NIEVERGELT. J.. AND PREPARATA (Section 3)]] || 1982 || $O( nlog n + k )$ || $O(n)$ || Exact || Deterministic || [https://pdfs.semanticscholar.org/a571/cc92218132a1b0e65c2adbf663c79d015737.pdf Time] & [https://courses.cs.duke.edu/cps234/spring04/papers/NP82.pdf Space]
| [[NIEVERGELT. J.. AND PREPARATA (Section 3) (Reporting all intersection points, convex polygons Line segment intersection)|NIEVERGELT. J.. AND PREPARATA (Section 3)]] || 1982 || $O( n \log n + k )$ || $O(n)$ || Exact || Deterministic || [https://pdfs.semanticscholar.org/a571/cc92218132a1b0e65c2adbf663c79d015737.pdf Time] & [https://courses.cs.duke.edu/cps234/spring04/papers/NP82.pdf Space]
|-
|-
|}
|}
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[[File:Line segment intersection - Reporting all intersection points, convex polygons - Time.png|1000px]]
[[File:Line segment intersection - Reporting all intersection points, convex polygons - Time.png|1000px]]
== Space Complexity Graph ==
[[File:Line segment intersection - Reporting all intersection points, convex polygons - Space.png|1000px]]
== Space-Time Tradeoff Improvements ==
[[File:Line segment intersection - Reporting all intersection points, convex polygons - Pareto Frontier.png|1000px]]


== References/Citation ==  
== References/Citation ==  


https://pdfs.semanticscholar.org/a571/cc92218132a1b0e65c2adbf663c79d015737.pdf
https://pdfs.semanticscholar.org/a571/cc92218132a1b0e65c2adbf663c79d015737.pdf

Latest revision as of 10:05, 28 April 2023

Description

In this case, we are supplied with a list of convex polygons, and we wish to report all regions of intersection.

Related Problems

Generalizations: Reporting all intersection points, general polygons

Related: Reporting all intersection points, line segments, Reporting all intersection points, generalized segments, Counting number of intersection points, line segments

Parameters

$n$: number of line segments

$k$: number of points of intersection

Table of Algorithms

Name Year Time Space Approximation Factor Model Reference
NIEVERGELT. J.. AND PREPARATA (Section 3) 1982 $O( n \log n + k )$ $O(n)$ Exact Deterministic Time & Space

Time Complexity Graph

Line segment intersection - Reporting all intersection points, convex polygons - Time.png

References/Citation

https://pdfs.semanticscholar.org/a571/cc92218132a1b0e65c2adbf663c79d015737.pdf