Cheap Tricks for Interaction

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Cheap Tricks for Interaction

✓ Published0🌍 Public

Last edited Sep 22, 2018

Created on Sep 22, 2018

This example shows a zoomable world map rendered with D3 v5 and TopoJSON, where hovering over any country highlights it in red. The map uses a natural Earth projection via `d3.geoNaturalEarth1` and `d3.geoPath` to draw country boundaries from the world-atlas 50m dataset, with country names added as tooltips using `<title>` elements. Interaction combines `d3.zoom` on the SVG for pan and zoom transformations, plus CSS `:hover` styling for the highlight effect. The base map and sphere are drawn as SVG paths, with data joined from TSV metadata and JSON topology.

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