Package Exports

@spatial/isobands

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Readme

@spatial/isobands

isobands

Takes a grid FeatureCollection of Point features with z-values and an array of value breaks and generates filled contour isobands.

Parameters

pointGrid FeatureCollection<Point> input points
breaks Array<number> where to draw contours
options Object options on output (optional, default {})
- options.zProperty string the property name in points from which z-values will be pulled (optional, default 'elevation')
- options.commonProperties Object GeoJSON properties passed to ALL isobands (optional, default {})
- options.breaksProperties Array<Object> GeoJSON properties passed, in order, to the correspondent isoband (order defined by breaks) (optional, default [])

Returns FeatureCollection<MultiPolygon> a FeatureCollection of MultiPolygon features representing isobands

This module is part of the Turfjs project, an open source module collection dedicated to geographic algorithms. It is maintained in the Turfjs/turf repository, where you can create PRs and issues.

Installation

Install this module individually:

$ npm install @spatial/isobands

Or install the Turf module that includes it as a function:

$ npm install @turf/turf