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

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2D polygon / triangle analysis & processing utilities.

• signed 2D polygon & triangle area
• triangle barycentric coord conversion
• nD point cloud bounding box
• 2D poly center of weight
• nD point cloud centroid
• 2D circumcenter
• 2D polygon convexity classification
• 2D equilateral triangle
• polygon / polyline perimeter

Current implementations partially based on toxiclibs (Java) and Clojure version of thi.ng/geom.

STABLE - used in production

yarn add @thi.ng/geom-poly-utils

// ES module
<script type="module" src="https://unpkg.com/@thi.ng/geom-poly-utils?module" crossorigin></script>

// UMD
<script src="https://unpkg.com/@thi.ng/geom-poly-utils/lib/index.umd.js" crossorigin></script>

Package sizes (gzipped, pre-treeshake): ESM: 1.11 KB / CJS: 1.18 KB / UMD: 1.24 KB

• @thi.ng/errors
• @thi.ng/geom-api
• @thi.ng/math
• @thi.ng/vectors
• tslib

Generated API docs

TODO

Karsten Schmidt

© 2016 - 2020 Karsten Schmidt // Apache Software License 2.0