geojson-derived-properties

Add derived properties--area, perimeter, length--to geojson features.

npm install geojson-derived-properties

Command Line Usage

npm install -g geojson-derived-properties
 
cat foo.geojson | geojson-derived-properties -p area perimeter length > foo-with-geom-props.geojson

Javascript Usage

var addDerivedProps = require('geojson-derived-properties')
var myGeoJson = /* your geojson object here */
var withProps = addDerivedProps({
  area: true,
  perimeter: false,
  length: true
}, myGeoJson)

Built With

Turf.js