This project is part of the @thi.ng/umbrella monorepo.

• About
  • Status
• Installation
• Dependencies
• Usage examples
• API
• Authors
• License

Fast 2D convex hull (Graham Scan).

Current implementation is partially based on Clojure version of thi.ng/geom.

STABLE - used in production

yarn add @thi.ng/geom-hull

Package sizes (gzipped, pre-treeshake): ESM: 432 bytes / CJS: 487 bytes / UMD: 581 bytes

• @thi.ng/math
• @thi.ng/vectors
• tslib

Several demos in this repo's /examples directory are using this package.

A selection:

Screenshot	Description	Live demo	Source
	Convex hull & shape clipping of 2D polygons	Demo	Source

Generated API docs

import { grahamScan2 } from "@thi.ng/geom-hull";

grahamScan2([[0, 0], [50, 10], [100, 0], [80, 50], [100, 100], [50, 90], [0, 100]]);
// [ [ 0, 0 ], [ 100, 0 ], [ 100, 100 ], [ 0, 100 ] ]

Karsten Schmidt

© 2013 - 2020 Karsten Schmidt // Apache Software License 2.0