# @turf/line-arc

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## lineArc

Creates a circular arc, of a circle of the given radius and center point, between bearing1 and bearing2;
0 bearing is North of center point, positive clockwise.

### Parameters

*   `center` **[Coord][1]** center point
*   `radius` **[number][2]** radius of the circle
*   `bearing1` **[number][2]** angle, in decimal degrees, of the first radius of the arc
*   `bearing2` **[number][2]** angle, in decimal degrees, of the second radius of the arc
*   `options` **[Object][3]** Optional parameters (optional, default `{}`)

    *   `options.steps` **[number][2]** number of steps (straight segments) that will constitute the arc (optional, default `64`)
    *   `options.units` **[string][4]** miles, kilometers, degrees, or radians (optional, default `'kilometers'`)

### Examples

```javascript
var center = turf.point([-75, 40]);
var radius = 5;
var bearing1 = 25;
var bearing2 = 47;

var arc = turf.lineArc(center, radius, bearing1, bearing2);

//addToMap
var addToMap = [center, arc]
```

Returns **[Feature][5]<[LineString][6]>** line arc

[1]: https://tools.ietf.org/html/rfc7946#section-3.1.1

[2]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number

[3]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object

[4]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String

[5]: https://tools.ietf.org/html/rfc7946#section-3.2

[6]: https://tools.ietf.org/html/rfc7946#section-3.1.4

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---

This module is part of the [Turfjs project](https://turfjs.org/), an open source module collection dedicated to geographic algorithms. It is maintained in the [Turfjs/turf](https://github.com/Turfjs/turf) repository, where you can create PRs and issues.

### Installation

Install this single module individually:

```sh
$ npm install @turf/line-arc
```

Or install the all-encompassing @turf/turf module that includes all modules as functions:

```sh
$ npm install @turf/turf
```
