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Tthanhtrant219
Last edited Jun 4, 2020
Created on Jun 4, 2020

This example uses D3.js v3 and TopoJSON to render a force-directed layout of U.S. state centroids, with Voronoi links connecting neighboring states. The code loads a U.S. map from a JSON file, filters out non-continental states, and computes centroids via `d3.geo.path().centroid()`. A `d3.layout.force()` simulation positions the nodes while maintaining link distances derived from the Voronoi cells. SVG paths draw each state’s shape, and lines represent the Voronoi links, updating on each tick. The visualization highlights geographic adjacency through network topology rather than choropleth coloring.

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Demonstrates fundamental DOM manipulation using D3.js by making a smiley face whose eyebrows move.

MIT Licensed

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