@thi.ng/quad-edge

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• About
• Status
• Related packages
• Installation
• Dependencies
• API
• Authors
• License

About

Quadedge data structure after Guibas & Stolfi.

See the related @thi.ng/geom-voronoi package for concrete usage. This package merely provides the underlying graph data structure.

Reference:

• http://www.cs.cmu.edu/afs/andrew/scs/cs/15-463/2001/pub/src/a2/quadedge.html
• https://github.com/thi-ng/c-thing/blob/develop/src/geom/quadedge.h
• Guibas & Stolfi: Primitives for the manipulation of general subdivisions and the computation of Voronoi diagrams, ACM Transactions on Graphics, 4, 1985, p.75-123

Status

STABLE - used in production

Search or submit any issues for this package

Related packages

• @thi.ng/geom-voronoi - Fast, incremental 2D Delaunay & Voronoi mesh implementation

Installation

yarn add @thi.ng/quad-edge

ESM import:

import * as qe from "@thi.ng/quad-edge";

Browser ESM import:

<script type="module" src="https://esm.run/@thi.ng/quad-edge"></script>

JSDelivr documentation

For Node.js REPL:

const qe = await import("@thi.ng/quad-edge");

Package sizes (brotli'd, pre-treeshake): ESM: 558 bytes

Dependencies

• @thi.ng/errors

API

Generated API docs

TODO

Authors

• Karsten Schmidt

If this project contributes to an academic publication, please cite it as:

@misc{thing-quad-edge,
  title = "@thi.ng/quad-edge",
  author = "Karsten Schmidt",
  note = "https://thi.ng/quad-edge",
  year = 2015
}

License

© 2015 - 2025 Karsten Schmidt // Apache License 2.0