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Let's make a map with D3.js!

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LLuce Liu
Last edited Feb 22, 2020
Created on Feb 22, 2020

The example demonstrates how to create a world map visualization using D3.js, rendering geographic features as SVG elements. It shows country boundaries and a styled ocean sphere, with countries colored light green and outlined with subtle black strokes. The code loads GeoJSON data via `d3.json` from the world-atlas TopoJSON dataset, converts it using the TopoJSON client library, and projects the map with `d3.geoPath` and a geographic projection. The visualization includes a blue sphere background and depends on D3 v5 and the `topojson` library for data processing.

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