turf-area

calculate the area of a polygon or multipolygon feature

turf.area(input)

Given any kind of GeoJSON feature, return the area of that feature, in square meters.

Parameters

parameter	type	description
input	GeoJSON

Example

1var polygons = turf.featurecollection([
2  turf.polygon([[[0,0],[10,0],[10,10],[0,10],[0,0]]]),
3  turf.polygon([[[10,0],[20,10],[20,20], [20,0]]])]);
4var area = turf.area(polygons);
5//=area

Installation

Requires nodejs.

1$ npm install turf-area

Tests

1$ npm test