latlong
v0.1.1
Published
create a kdtree from lat/long and return the closest points
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Name
latlong
Synopsis
Create a simple k-d tree from lat/long and return the closest points.
Description
Create a 2-dimensional k-d tree from latitude & longitude coordinate and return the closest points to the specified location.
Example
var latlong = require('latlong')
var coords = [
{lat: '40.739683', long: '73.985151', name: 'Gramercy Theatre'},
{lat: '40.730601', long: '74.000447', name: 'Blue Note Jazz Club'},
{lat: '40.742256', long: '74.006344', name: 'Milk Studios'},
{lat: '40.691805', long: '73.908089', name: 'Greenroom Brooklyn'}
]
var close = latlong(coords, {loc: {lat: 40, long: 50}, max: 50})
console.log(close.reverse())
Install:
npm install latlong
Test:
npm test
##Motivation: I found myself writing this logic inline in my app. It's quite simple, but it was generic enough that I could justify splitting it out.