@turf/center-mean

centerMean

Takes a Feature or FeatureCollection and returns the mean center. Can be weighted.

Parameters

• geojson GeoJSON GeoJSON to be centered

• options Object Optional parameters (optional, default {})

  • options.properties Object Translate GeoJSON Properties to Point (optional, default {})
  • options.bbox Object Translate GeoJSON BBox to Point (optional, default {})
  • options.id Object Translate GeoJSON Id to Point (optional, default {})
  • options.weight string? the property name used to weight the center

Examples

var features = turf.featureCollection([
  turf.point([-97.522259, 35.4691], {value: 10}),
  turf.point([-97.502754, 35.463455], {value: 3}),
  turf.point([-97.508269, 35.463245], {value: 5})
]);

var options = {weight: "value"}
var mean = turf.centerMean(features, options);

//addToMap
var addToMap = [features, mean]
mean.properties['marker-size'] = 'large';
mean.properties['marker-color'] = '#000';

Returns Feature<Point> a Point feature at the mean center point of all input features

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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 single module individually:

$ npm install @turf/center-mean

Or install the all-encompassing @turf/turf module that includes all modules as functions:

$ npm install @turf/turf