turf-tag

turf-tag

Performs a spatial join on a set of points from a set of polygons.

###Install

npm install turf-inside

###Parameters

name	description
points	A FeatureCollection of Point Features
polygons	A FeatureCollection of Polygon Features
polyID	id field on the polygons
containingPolyID	id field to tag onto points that are in a corresponding polygon

###Usage

tag(points, polygons, 'polyID', 'containingPolyID')

###Example

var tag = require('turf-tag')
var fs = require('fs')

t.load('./testIn/tagPoints.geojson', function(err, points){
  t.load('./testIn/tagPolygons.geojson', function(err, polygons){

var pts = JSON.parse(fs.readFileSync('/path/to/pts.geojson'))
var polys = JSON.parse(fs.readFileSync('/path/to/polys.geojson'))

var tagged = tag(points, polygons, 'polyID', 'containingPolyID')

console.log(taggedPoints)