Map Interaction with D3.js

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Map Interaction with D3.js

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Last edited Jul 26, 2020

Created on Jul 26, 2020

This example shows an interactive map of world countries that users can pan and zoom, with countries highlighted in red when hovered over. It renders a Natural Earth projection using D3’s `geoNaturalEarth1` and `geoPath` within an SVG. The map loads world geometry from TopoJSON via `world-atlas` and country names from a TSV file, merging them by ISO code. Zooming is handled with `d3.zoom` and `event.transform` on the entire map group, while each country’s `title` tooltip displays its name.

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A bare minimum HTML page.

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