Quadtree

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

A quadtree is a tree data structure in which each internal node has exactly four children. Quadtrees are the two-dimensional analog of octrees and are most often used to partition a two-dimensional space by recursively subdividing it into four quadrants or regions.

Excerpt from the Wikipedia article “Quadtree”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: David Eppstein, Public domain, via Wikimedia Commons.