turf-tag
tag
Takes a set of points and a set of polygons and performs a spatial join.
Parameters
points
FeatureCollection<Point> input pointspolygons
FeatureCollection<Polygon> input polygonsfield
string property inpolygons
to add to joined Point featuresoutField
string property inpoints
in which to store joined property from `polygons
Examples
var bbox = 0 0 10 10;// create a triangular grid of polygonsvar triangleGrid = turf;triangleGridfeatures;var randomPoints = turf;var both = turf; //=both var tagged = turf; //=tagged
Returns FeatureCollection<Point> points with containingPolyId
property containing values from polyId
This module is part of the Turfjs project, an open source module collection dedicated to geographic algorithms. It is maintained in the Turfjs/turf repository, where you can create PRs and issues.
Installation
Install this module individually:
$ npm install turf-tag
Or install the Turf module that includes it as a function:
$ npm install turf