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Sized Points on a Map

✓ Published0🌍 Public
LLaurentVuillon
Last edited Dec 24, 2019
Created on Dec 24, 2019

A world map displays cities with populations over 50,000 as semi-transparent, sized circles, using a square-root scale to encode population values with circle radius. Natural Earth projection and geospatial paths render the sphere, graticules, landmasses, and country boundaries from TopoJSON data, styled in dark grays and greens. City coordinates come from a CSV dataset, projected via `d3.geoPath` to SVG circles, with React managing the component state and D3 utilities handling data loading and scaling.

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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