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Chess Federation Transfers with Brushing
This visualization combines a world map of missing migrant incidents with a brushing-linked time histogram. It uses D3’s `geoNaturalEarth1` and `geoPath` to render country boundaries and graticules, while circle size reflects death tolls via `scaleSqrt`. A `brushX` interaction filters the map by date range selected in the histogram. Built with React and D3 v5, the data comes from a CSV of global missing migrants, with the map optimized through `useMemo`.
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.
This iteration is optimized for performance using React's useMemo hook.