62 lines
1.6 KiB
Markdown
62 lines
1.6 KiB
Markdown
# @turf/envelope
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<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
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## envelope
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Takes any number of features and returns a rectangular [Polygon][1] that encompasses all vertices.
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**Parameters**
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- `geojson` **[GeoJSON][2]** input features
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**Examples**
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```javascript
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var features = turf.featureCollection([
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turf.point([-75.343, 39.984], {"name": "Location A"}),
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turf.point([-75.833, 39.284], {"name": "Location B"}),
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turf.point([-75.534, 39.123], {"name": "Location C"})
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]);
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var enveloped = turf.envelope(features);
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//addToMap
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var addToMap = [features, enveloped];
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```
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Returns **[Feature][3]<[Polygon][4]>** a rectangular Polygon feature that encompasses all vertices
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[1]: https://tools.ietf.org/html/rfc7946#section-3.1.6
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[2]: https://tools.ietf.org/html/rfc7946#section-3
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[3]: https://tools.ietf.org/html/rfc7946#section-3.2
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[4]: https://tools.ietf.org/html/rfc7946#section-3.1.6
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<!-- This file is automatically generated. Please don't edit it directly:
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if you find an error, edit the source file (likely index.js), and re-run
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./scripts/generate-readmes in the turf project. -->
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---
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This module is part of the [Turfjs project](http://turfjs.org/), an open source
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module collection dedicated to geographic algorithms. It is maintained in the
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[Turfjs/turf](https://github.com/Turfjs/turf) repository, where you can create
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PRs and issues.
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### Installation
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Install this module individually:
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```sh
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$ npm install @turf/envelope
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```
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Or install the Turf module that includes it as a function:
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```sh
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$ npm install @turf/turf
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```
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