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turf-nearest
Advanced tools
Takes a reference point and a FeatureCollection of Features with Point geometries and returns the point from the FeatureCollection closest to the reference. This calculation is geodesic.
Parameters
targetPoint
Feature<Point> the reference pointpoints
FeatureCollection<Point> against input point setExamples
var point = {
"type": "Feature",
"properties": {
"marker-color": "#0f0"
},
"geometry": {
"type": "Point",
"coordinates": [28.965797, 41.010086]
}
};
var against = {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [28.973865, 41.011122]
}
}, {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [28.948459, 41.024204]
}
}, {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [28.938674, 41.013324]
}
}
]
};
var nearest = turf.nearest(point, against);
nearest.properties['marker-color'] = '#f00';
var resultFeatures = against.features.concat(point);
var result = {
"type": "FeatureCollection",
"features": resultFeatures
};
//=result
Returns Feature<Point> the closest point in the set to the reference point
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.
Install this module individually:
$ npm install turf-nearest
Or install the Turf module that includes it as a function:
$ npm install turf
FAQs
turf nearest module
The npm package turf-nearest receives a total of 9,355 weekly downloads. As such, turf-nearest popularity was classified as popular.
We found that turf-nearest 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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