# @cesium/core

> Math, geometry, time, and utility primitives for CesiumJS.

Latest version **0.1.0** (published 2026-10-01) · Apache-2.0 license · 0 weekly downloads

## Install

```sh
npm install @cesium/core
pnpm add @cesium/core
yarn add @cesium/core
bun add @cesium/core
```

## Health

**Score 75/100 (B)** — status: active.

Positive: has types; esm support; no vulnerabilities; recently updated; high maintenance score; high quality score; popular repo.

Warnings: low downloads; pre 1.0.

## Facts

| | |
|---|---|
| Version | 0.1.0 |
| Published | 2026-10-01 |
| First published | 2026-10-01 |
| Weekly downloads | 0 |
| License | Apache-2.0 |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Node | >=22.0.0 |
| Dependencies | 0 |
| Unpacked size | 2.8 MB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 15823 |
| Author | Cesium GS, Inc. |
| Maintainers | cesiumgsadmin, ggetz, lukemckinstry, jjspace, jjhembd, margaritakartaviciute, adamcesium, mzschwartz5 |
| Keywords | 3D, geospatial, map, globe, math, geometry |

## Links

- npm: https://www.npmjs.com/package/@cesium/core
- Repository: https://github.com/CesiumGS/cesium
- Homepage: https://cesium.com/cesiumjs/
- Issues: https://github.com/CesiumGS/cesium/issues
- npm.io page: https://npm.io/package/@cesium/core

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## Recent versions

- 0.1.0 (latest) — 2026-10-01

## README

# @cesium/core

[![Build Status](https://github.com/CesiumGS/cesium/actions/workflows/dev.yml/badge.svg)](https://github.com/CesiumGS/cesium/actions/workflows/dev.yml)
[![npm](https://img.shields.io/npm/v/@cesium/core)](https://www.npmjs.com/package/@cesium/core)
[![Docs](https://img.shields.io/badge/docs-online-orange.svg)](https://cesium.com/learn/)

![Cesium](https://github.com/CesiumGS/cesium/wiki/logos/Cesium_Logo_Color.jpg)

[CesiumJS](../../README.md) is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.

`@cesium/core` contains CesiumJS's math, geometry, and time primitives, along with utility and error types, with no dependency on rendering, data-source, or widget code.

---

[**Examples**](https://sandcastle.cesium.com/) :earth_asia: [**Docs**](https://cesium.com/learn/cesiumjs-learn/) :earth_americas: [**Website**](https://cesium.com/cesiumjs) :earth_africa: [**Forum**](https://community.cesium.com/) :earth_asia: [**User Stories**](https://cesium.com/user-stories/)

---

## Install

`@cesium/core` is published as ES modules with full typing support.

Install with npm:

```sh
npm install @cesium/core --save
```

Or, install with yarn:

```sh
yarn add @cesium/core
```

## Usage

Import individual modules to benefit from tree shaking optimizations through most build tools:

```js
import { Cartesian3 } from "@cesium/core";

const position = new Cartesian3(1.0, 2.0, 3.0);
```

See our [Quickstart Guide](https://cesium.com/learn/cesiumjs-learn/cesiumjs-quickstart/) for more information on getting a CesiumJS app up and running.

## Community

Have questions? Ask them on the [community forum](https://community.cesium.com/).

Interested in contributing? See [CONTRIBUTING.md](../../CONTRIBUTING.md). :heart:

## License

[Apache 2.0](http://www.apache.org/licenses/LICENSE-2.0.html). CesiumJS is free for both commercial and non-commercial use.

---
_Source: https://npm.io/package/@cesium/core · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._
