ice8_task1

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Last edited Nov 2, 2025

Created on Nov 2, 2025

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This interactive map shows world countries on an orthographic globe projection, where users can drag to rotate the sphere and click on a country to switch between the orthographic, Mercator, and Albers USA projections. The visualization uses D3's geo-projection modules—`d3.geoOrthographic`, `d3.geoMercator`, and `d3.geoAlbersUsa`—along with `d3.geoPath` to render country boundaries, graticules, and a sphere outline. Country names and geometries come from the world-atlas TopoJSON and TSV datasets. Zoom and pan are implemented via custom drag and zoom interactions, with smooth animated transitions on projection changes.

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