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Sized Points on a Map

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Nnkohdatavis
Last edited Jul 31, 2020
Created on Jul 31, 2020

A world map displays cities with populations exceeding 50,000, using circle size to encode population magnitude. The visualization renders geographic context via d3.geoNaturalEarth1 projection and d3.geoPath for landmasses, graticules, and country boundaries. City positions are projected from latitude and longitude coordinates, with circle radii scaled by a d3.scaleSqrt function representing population values. Data comes from the Simplemaps World Cities Database and World Atlas TopoJSON, while React components manage the SVG rendering.

AI-generated description

A 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.

MIT Licensed

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