convex
Description
Takes a Feature or a FeatureCollection and returns a convex hull Polygon.
Internally this uses the convex-hull module that implements a monotone chain hull.
Parameters
Name | Type | Description |
---|---|---|
geojson | GeoJSON | input Feature or FeatureCollection |
options? | Object | Optional parameters (default {}) |
options.concavity? | number | 1 - thin shape. Infinity - convex hull. (default Infinity) |
options.properties? | Object | Translate Properties to Feature (default {}) |
Returns
Feature<Polygon> a convex hull
Examples
var points = turf.featureCollection([
turf.point([10.195312, 43.755225]),
turf.point([10.404052, 43.8424511]),
turf.point([10.579833, 43.659924]),
turf.point([10.360107, 43.516688]),
turf.point([10.14038, 43.588348]),
turf.point([10.195312, 43.755225]),
]);
var hull = turf.convex(points);
Installation
$ npm install @turf/convex
import { convex } from "@turf/convex";
const result = convex(...);
$ npm install @turf/turf
import * as turf from "@turf/turf";
const result = turf.convex(...);