@turf/center-of-mass

centerOfMass

Takes any [Feature][1] or a [FeatureCollection][2] and returns its [center of mass][3] using this formula: [Centroid of Polygon][4].

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* geojson [GeoJSON][5] GeoJSON to be centered
* options [Object][6] Optional Parameters (optional, default {})

* options.properties [Object][6] Translate Properties to Feature (optional, default {})

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``javascript
var polygon = turf.polygon([[[-81, 41], [-88, 36], [-84, 31], [-80, 33], [-77, 39], [-81, 41]]]);

var center = turf.centerOfMass(polygon);

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

Returns [Feature][1]<[Point][7]> the center of mass

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

[2]: https://tools.ietf.org/html/rfc7946#section-3.3

[3]: https://en.wikipedia.org/wiki/Center_of_mass

[4]: https://en.wikipedia.org/wiki/Centroid#Centroid_of_polygon

[5]: https://tools.ietf.org/html/rfc7946#section-3

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

[7]: https://tools.ietf.org/html/rfc7946#section-3.1.2

---

This module is part of the Turfjs project, an open source module collection dedicated to geographic algorithms. It is maintained in the Turfjs/turf repository, where you can create PRs and issues.

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Install this single module individually:

`sh
$ npm install @turf/center-of-mass
`

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

`sh
$ npm install @turf/turf
``