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d3-delaunay

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d3-delaunay

Compute the Voronoi diagram of a set of two-dimensional points.

  • 6.0.4
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What is d3-delaunay?

The d3-delaunay npm package is a JavaScript library that provides efficient Delaunay triangulation and Voronoi diagram generation for a set of points in a plane. It is part of the D3 (Data-Driven Documents) family of tools, which are used for manipulating documents based on data. This package is particularly useful for spatial data visualization, geographic mapping, and creating complex network structures.

What are d3-delaunay's main functionalities?

Delaunay Triangulation

Generates a Delaunay triangulation from an array of points. This is useful for various applications such as creating mesh networks and understanding spatial relationships.

import { Delaunay } from 'd3-delaunay';
const points = [[0, 0], [1, 0], [1, 1], [0, 1]];
const delaunay = Delaunay.from(points);
const triangles = delaunay.triangles;

Voronoi Diagram

Computes the Voronoi diagram for a given set of points within a specified rectangular boundary. This feature is particularly useful for visualizing regions of influence among points, which can be applied in fields like meteorology, astronomy, and urban planning.

import { Delaunay } from 'd3-delaunay';
const points = [[0, 0], [1, 0], [1, 1], [0, 1]];
const delaunay = Delaunay.from(points);
const voronoi = delaunay.voronoi([0, 0, 960, 500]);
console.log(voronoi.cellPolygons());

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Package last updated on 01 Apr 2023

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