DefinitelyTyped/types/concaveman/index.d.ts
2017-11-23 16:59:32 +01:00

26 lines
1.2 KiB
TypeScript

// Type definitions for concaveman 1.1.0
// Project: https://github.com/mapbox/concaveman
// Definitions by: Denis Carriere <https://github.com/DenisCarriere>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
declare module "concaveman" {
/**
* A very fast 2D concave hull algorithm in JavaScript (generates a general outline of a point set).
*
* @name concaveman
* @param {Array<Array<number>>} points is an array of [x, y] points.
* @param {number} [concavity=2] is a relative measure of concavity. 1 results in a relatively detailed shape, Infinity results in a convex hull. You can use values lower than 1, but they can produce pretty crazy shapes.
* @param {number} [lengthThreshold=0] when a segment length is under this threshold, it stops being considered for further detalization. Higher values result in simpler shapes.
* @return {Array<Array<number>>}
* @example
* var points = [[10, 20], [30, 12.5], ...];
* var polygon = concaveman(points);
*
* //=hull
*/
function concaveman(points: number[][], concavity?: number, lengthThreshold?: number): number[][];
namespace concaveman {}
export = concaveman;
}