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turf-isolines
Advanced tools
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.
###Install
npm install turf-isolines
###Parameters
name | description |
---|---|
points | points use as seed values |
z | z value to contour |
resolution | resolution of the underlying grid |
breaks | where to draw contours |
###Usage
isolines(points, z, resolution, breaks)
###Example
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)
FAQs
turf isolines module
The npm package turf-isolines receives a total of 10,654 weekly downloads. As such, turf-isolines popularity was classified as popular.
We found that turf-isolines demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 9 open source maintainers collaborating on the project.
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