@thi.ng/geom-poly-utils/center-of-weight.d.ts

2D polygon/polyline analysis & processing utilities

import type { ReadonlyVec, Vec } from "@thi.ng/vectors";
/**
 * Computes center of weight for given simple polygon defined by `points`.
 * Writes result to `out` (or creates a new vector if needed).
 *
 * @param points
 * @param out
 */
export declare const centerOfWeight2: (points: ReadonlyVec[], out?: Vec) => Vec<number>;
/**
 * Computes center of weight for given complex polygon defined by multiple
 * simple polygons, i.e. `boundary` points and zero or more child polygons
 * (interpreted to be holes fully contained within the boundary). Writes result
 * to `out` (or creates a new vector if needed).
 *
 * @remarks
 * Reference: https://math.stackexchange.com/a/623849
 *
 * Centroid formula: ((Aout * Cout) - (Ain * Cin)) / (Aout - Ain)
 *
 * @param boundary
 * @param children
 * @param out
 */
export declare const complexCenterOfWeight2: (boundary: ReadonlyVec[], children: ReadonlyVec[][], out?: Vec) => Vec<number>;
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