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Cheap Tricks for Interaction

✓ Published1🌍 Public
OOliver Wills
Last edited Jun 19, 2020
Created on Jun 19, 2020

This example demonstrates a world map with interactive pan and zoom, using a natural Earth projection rendered as SVG. Country boundaries are drawn from TopoJSON data enriched with names from a TSV file, and hovering highlights individual nations in red. The implementation relies on D3 v5 features including `d3.zoom`, `d3.geoPath`, and `d3.geoNaturalEarth1`, with the map contained in an SVG group that responds to zoom transforms. Tooltips are provided through SVG `<title>` elements.

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