calculate the physical area of a geojson geometry
$ cnpm install geojson-area
Calculate the area inside of any GeoJSON geometry.
npm install geojson-area
var geojsonArea = require('geojson-area');
var area = geojsonArea.geometry(obj);
geojsonArea.geometry(obj)
Given a Geometry object, return contained
area as square meters. Invalid input will return null
.
Adapted from OpenLayers
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