mindee/src/geometry/polygon.js

Mindee Client Library for Node.js

import { getCentroid, getMinMaxX, getMinMaxY, isPointInX, isPointInY } from "./polygonUtils.js";
/** A polygon, composed of several Points. */
export class Polygon extends Array {
    constructor(...args) {
        super(...args);
    }
    /**
     * Get the central point (centroid) of the polygon.
     */
    getCentroid() {
        return getCentroid(this);
    }
    /**
     * Get the maximum and minimum X coordinates of the polygon.
     */
    getMinMaxX() {
        return getMinMaxX(this);
    }
    /**
     * Get the maximum and minimum Y coordinates of the polygon.
     */
    getMinMaxY() {
        return getMinMaxY(this);
    }
    /**
     * Determine if a Point is within the Polygon's X axis (same column).
     */
    isPointInX(point) {
        const xCoords = this.getMinMaxX();
        return isPointInX(point, xCoords.min, xCoords.max);
    }
    /**
     * Determine if a Point is within the Polygon's Y axis (same line).
     */
    isPointInY(point) {
        const yCoords = this.getMinMaxY();
        return isPointInY(point, yCoords.min, yCoords.max);
    }
    toString() {
        const points = this.map((point) => `(${point})`).join(", ");
        return `(${points})`;
    }
}