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Cheap Tricks for Interaction

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Vveagy
Last edited Nov 1, 2018
Created on Sep 26, 2018

This example shows an interactive world map where hovering over a country highlights it and clicking selects it, turning it red. The visualization uses the D3.js library, specifically `d3.geoNaturalEarth1` for the map projection and `d3.geoPath` for rendering country boundaries. It loads geographic data from the `world-atlas` package via `d3.json` and `d3.tsv`, using `topojson` to convert the TopoJSON features. The map supports zooming through the `d3.zoom` API, which dynamically transforms the SVG group containing the paths.

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