Package Exports

turf-isolines

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Readme

turf-isolines

Takes a FeatureCollection of points with z values and an array of value breaks and generates isolines. These are commonly used to create elevation maps, but can be used for general data interpolation as well.

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

var z = 'elevation'
var resolution = 15
var breaks = [.1, 22, 45, 55, 65, 85,  95, 105, 120, 180]
var points = JSON.parse(fs.readFileSync('/path/to/points.geojson'))

var isolined = isolines(points, z, resolution, breaks)

console.log(isolined)