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417dd0b2244f47e5a329e6efb5f1d163
Fork of world map w/ cities & countries pop!
A world map visualization displays cities with populations over 50,000 as scaled circles, while country polygons are shaded by population density with hover tooltips. Using React with the d3-geo-projection library, it applies a natural Earth projection and renders graticules, geographic lines, and country boundaries via `geoPath`. City radii use a square-root scale based on population data from Simplemaps, while country opacity maps to UN population data from a CSV file.
AI-generated descriptionA world map showing cities with population greater than 50,000. City data from Simplemaps: World Cities Database.
Country boundaries from World Atlas TopoJSON, polished for visual style, including graticules.