turf-buffer

turf-buffer

turf buffer module

turf.buffer(feature, distance, unit)

Calculates a buffer for input features for a given radius. Units supported are miles, kilometers, and degrees.

Parameters

parameter	type	description
feature	Feature,FeatureCollection	input to be buffered
distance	Number	distance to draw the buffer
unit	String	'miles', 'feet', 'kilometers', 'meters', or 'degrees'

Example

var pt = {
  "type": "Feature",
  "properties": {},
  "geometry": {
    "type": "Point",
    "coordinates": [-90.548630, 14.616599]
  }
};
var unit = 'miles';

var buffered = turf.buffer(pt, 500, unit);
var result = turf.featurecollection([buffered, pt]);

//=result

Returns FeatureCollection.<Polygon>,FeatureCollection.<MultiPolygon>,Polygon,MultiPolygon, buffered features

Installation

Requires nodejs.

$ npm install turf-buffer

Tests

$ npm test