@thi.ng/geom-arc/README.md

2D circular / elliptic arc operations

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# ![@thi.ng/geom-arc](https://raw.githubusercontent.com/thi-ng/umbrella/develop/assets/banners/thing-geom-arc.svg?f2269b4e)

[![npm version](https://img.shields.io/npm/v/@thi.ng/geom-arc.svg)](https://www.npmjs.com/package/@thi.ng/geom-arc)
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> [!NOTE]
> This is one of 212 standalone projects, maintained as part
> of the [@thi.ng/umbrella](https://github.com/thi-ng/umbrella/) monorepo
> and anti-framework.
>
> 🚀 Please help me to work full-time on these projects by [sponsoring me on
> GitHub](https://github.com/sponsors/postspectacular). Thank you! ❤️

- [About](#about)
- [Status](#status)
- [Installation](#installation)
- [Dependencies](#dependencies)
- [API](#api)
- [Authors](#authors)
- [License](#license)

## About

2D circular / elliptic arc operations. This is a support package for [@thi.ng/geom](https://github.com/thi-ng/umbrella/tree/develop/packages/geom).

## Status

**STABLE** - used in production

[Search or submit any issues for this package](https://github.com/thi-ng/umbrella/issues?q=%5Bgeom-arc%5D+in%3Atitle)

## Installation

```bash
yarn add @thi.ng/geom-arc
```

ESM import:

```ts
import * as arc from "@thi.ng/geom-arc";
```

Browser ESM import:

```html
<script type="module" src="https://esm.run/@thi.ng/geom-arc"></script>
```

[JSDelivr documentation](https://www.jsdelivr.com/)

For Node.js REPL:

```js
const arc = await import("@thi.ng/geom-arc");
```

Package sizes (brotli'd, pre-treeshake): ESM: 1.27 KB

## Dependencies

- [@thi.ng/checks](https://github.com/thi-ng/umbrella/tree/develop/packages/checks)
- [@thi.ng/geom-resample](https://github.com/thi-ng/umbrella/tree/develop/packages/geom-resample)
- [@thi.ng/math](https://github.com/thi-ng/umbrella/tree/develop/packages/math)
- [@thi.ng/vectors](https://github.com/thi-ng/umbrella/tree/develop/packages/vectors)

## API

[Generated API docs](https://docs.thi.ng/umbrella/geom-arc/)

TODO

## Authors

- [Karsten Schmidt](https://thi.ng)

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

```bibtex
@misc{thing-geom-arc,
  title = "@thi.ng/geom-arc",
  author = "Karsten Schmidt",
  note = "https://thi.ng/geom-arc",
  year = 2018
}
```

## License

&copy; 2018 - 2025 Karsten Schmidt // Apache License 2.0