Checking if a Point is Inside a Polygon with Turf.js
Need to determine if a point is inside a polygon in JavaScript? The turf.booleanPointInPolygon function makes it easy!
Need to determine if a point is inside a polygon in javascript? the turf.booleanPointInPolygon function makes it easy!
🔹 what it does:
it checks whether a given point is inside (or on the boundary of) a polygon.
🔹 how to use it:
javascript
import booleanPointInPolygon from "@turf/boolean-point-in-polygon";
import { point, polygon } from "@turf/helpers";
const pt = point([2, 2]);
const poly = polygon([
[
[0, 0],
[4, 0],
[4, 4],
[0, 4],
[0, 0],
],
]);
const isInside = booleanPointInPolygon(pt, poly);
console.log(isInside); // true ✅
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