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@types/d3-polygon

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@types/d3-polygon

TypeScript definitions for d3-polygon

  • 1.0.10
  • Source
  • npm
  • Socket score

Version published
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1.8M
decreased by-0.66%
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Installation

npm install --save @types/d3-polygon

Summary

This package contains type definitions for d3-polygon (https://github.com/d3/d3-polygon/).

Details

Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/d3-polygon/v1.

index.d.ts

// Last module patch version validated against: 1.0.6

/**
 * Returns the signed area of the specified polygon. If the vertices of the polygon are in counterclockwise order
 * (assuming a coordinate system where the origin <0,0> is in the top-left corner), the returned area is positive;
 * otherwise it is negative, or zero.
 *
 * @param polygon Array of coordinates <x0, y0>, <x1, y1> and so on.
 */
export function polygonArea(polygon: Array<[number, number]>): number;

/**
 * Returns the centroid of the specified polygon.
 *
 * @param polygon Array of coordinates <x0, y0>, <x1, y1> and so on.
 */
export function polygonCentroid(polygon: Array<[number, number]>): [number, number];

/**
 * Returns the convex hull of the specified points using Andrew’s monotone chain algorithm.
 * The returned hull is represented as an array containing a subset of the input points arranged in
 * counterclockwise order. Returns null if points has fewer than three elements.
 *
 * @param points Array of coordinates <x0, y0>, <x1, y1> and so on.
 */
export function polygonHull(points: Array<[number, number]>): Array<[number, number]> | null;

/**
 * Returns true if and only if the specified point is inside the specified polygon.
 *
 * @param polygon Array of coordinates <x0, y0>, <x1, y1> and so on.
 * @param point Coordinates of point <x, y>.
 */
export function polygonContains(polygon: Array<[number, number]>, point: [number, number]): boolean;

/**
 * Returns the length of the perimeter of the specified polygon.
 *
 * @param polygon Array of coordinates <x0, y0>, <x1, y1> and so on.
 */
export function polygonLength(polygon: Array<[number, number]>): number;

Additional Details

  • Last updated: Tue, 07 Nov 2023 15:11:37 GMT
  • Dependencies: none

Credits

These definitions were written by Tom Wanzek, Alex Ford, Boris Yankov, and Nathan Bierema.

FAQs

Package last updated on 07 Nov 2023

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