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turf-within
Advanced tools
Takes a set of points and a set of polygons and returns the points that fall within the polygons.
Parameters
points
FeatureCollection<Point> input pointspolygons
FeatureCollection<Polygon> input polygonsExamples
var searchWithin = {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Polygon",
"coordinates": [[
[-46.653,-23.543],
[-46.634,-23.5346],
[-46.613,-23.543],
[-46.614,-23.559],
[-46.631,-23.567],
[-46.653,-23.560],
[-46.653,-23.543]
]]
}
}
]
};
var points = {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [-46.6318, -23.5523]
}
}, {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [-46.6246, -23.5325]
}
}, {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [-46.6062, -23.5513]
}
}, {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [-46.663, -23.554]
}
}, {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [-46.643, -23.557]
}
}
]
};
var ptsWithin = turf.within(points, searchWithin);
//=points
//=searchWithin
//=ptsWithin
Returns FeatureCollection<Point> points that land within at least one polygon
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-within
Or install the Turf module that includes it as a function:
$ npm install turf
FAQs
turf within module
The npm package turf-within receives a total of 9,817 weekly downloads. As such, turf-within popularity was classified as popular.
We found that turf-within 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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