turf-tin

turf-tin

Takes a set of points and the name of a z-value property and creates a tin (Triangulated Irregular Network). These are often used for developing elevation contour maps or stepped heat visualizations.

###Install

npm install turf-tin

###Parameters

name	description
pts	a point featurecollection
z	a z value to encode

###Usage

tin(pts, z)

###Example

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

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

var tinPolys = tin(pts, z)

console.log(tinPolys)