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Let's make a map with D3.js!

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TTomisin Owolabi
Last edited Apr 20, 2020
Created on Apr 20, 2020

This example demonstrates how to create a world map using D3.js. It loads geographic data from the World Atlas TopoJSON file and projects country boundaries with a spherical Mercator projection. The visualization uses `d3.geoPath` and `d3.geoMercator` to convert GeoJSON features into SVG paths, with the TopoJSON library’s `feature` method extracting country polygons. The resulting map renders as simple filled paths on a blank SVG canvas, showing the continents and country outlines.

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