Line Drawing: Difference between revisions

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[[File:Line Drawing - Space.png|1000px]]
[[File:Line Drawing - Space.png|1000px]]


== Space-Time Tradeoff Improvements ==  
== Time-Space Tradeoff ==  


[[File:Line Drawing - Pareto Frontier.png|1000px]]
[[File:Line Drawing - Pareto Frontier.png|1000px]]

Revision as of 14:44, 15 February 2023

Description

Given a line segment with endpoints $(x_0, y_0), (x_1, y_1)$ and a discrete graphical medium (like pixel-based displays and printers), draw/approximate the line segment on the medium, potentially with antialiasing.

Parameters

n: number of pixels the line goes through

Table of Algorithms

Name Year Time Space Approximation Factor Model Reference
Naive algorithm 1940 $O(n)$ $O({1})$ auxiliary Exact Deterministic
Digital Differential Analyzer 1940 $O(n)$ $O({1})$ auxiliary Exact Deterministic
Bresenham's line algorithm 1965 $O(n)$ $O({1})$ auxiliary Exact Deterministic Time
Xiaolin Wu's line algorithm 1991 $O(n)$ $O({1})$ auxiliary Exact Deterministic Time
Gupta-Sproull algorithm 1981 $O(n)$ $O({1})$ auxiliary Exact Deterministic Time

Time Complexity Graph

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Space Complexity Graph

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Time-Space Tradeoff

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