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Cheap tricks for interaction

✓ Published1🌍 Public
RRiccardo Pressiani
Last edited Oct 10, 2019
Created on Oct 10, 2019

A world map rendered with D3's geoNaturalEarth1 projection presents countries in light green against a blue sphere. The visualization loads country boundaries from the world-atlas TopoJSON and TSV files, using d3.geoPath to generate SVG paths. Interaction is handled via D3's zoom function, which applies a scale and translate transform to the map group on zoom events, while a CSS :hover rule turns countries red when moused over.

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Cheap tricks for interaction

A world map rendered with D3's geoNaturalEarth1 projection and geoPath displays country boundaries in green on a dark blue sphere. Zooming is enabled through D3's zoom module, which applies an SVG transform to the map group. Hovering highlights individual countries. Country names come from a TSV file joined to TopoJSON geographic data, with tooltips provided by SVG title elements.

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