@turf/combine

combine

Combines a [FeatureCollection][1] of [Point][2], [LineString][3], or [Polygon][4] features
into [MultiPoint][5], [MultiLineString][6], or [MultiPolygon][7] features.

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* fc [FeatureCollection][1]<([Point][2] | [LineString][3] | [Polygon][4])> a FeatureCollection of any type

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``javascript
var fc = turf.featureCollection([
turf.point([19.026432, 47.49134]),
turf.point([19.074497, 47.509548])
]);

var combined = turf.combine(fc);

//addToMap
var addToMap = [combined]
`

Returns [FeatureCollection][1]<([MultiPoint][5] | [MultiLineString][6] | [MultiPolygon][7])> a FeatureCollection of corresponding type to input

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

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

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

[4]: https://tools.ietf.org/html/rfc7946#section-3.1.6

[5]: https://tools.ietf.org/html/rfc7946#section-3.1.3

[6]: https://tools.ietf.org/html/rfc7946#section-3.1.5

[7]: https://tools.ietf.org/html/rfc7946#section-3.1.7

---

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/combine
`

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

`sh
$ npm install @turf/turf
``