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Let's make an interactive map with D3.js!

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JJordan Chiu
Last edited Feb 1, 2020
Created on Feb 1, 2020

This interactive map displays world countries using a natural Earth projection rendered as SVG paths. Users can pan and zoom the map via D3’s `zoom` behavior, which applies transforms to a group element. Country boundaries come from TopoJSON data, with names joined from a TSV table using `reduce`. Hovering highlights a country in red, while the background sphere is colored blue. The code leverages `d3.geoPath`, `d3.geoNaturalEarth1`, and topojson’s `feature` method to generate the geographic shapes.

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Interactive map with D3.js (Quiz 5)

MIT Licensed

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