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Cheap Tricks for Interaction

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Vveagy
Last edited Sep 26, 2018
Created on Sep 26, 2018

This example presents an interactive world map using D3.js and TopoJSON. It displays country boundaries from the world-atlas 50m dataset, rendered as SVG paths using the `geoNaturalEarth1` projection and `geoPath`. The map supports zooming via the `zoom` function, which applies a transform to the grouped elements. Hovering over a country highlights it in red through CSS, and clicking the sphere logs an event to the console, while country names appear as tooltips from a TSV lookup file.

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