Sized Points on a Map

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Sized Points on a Map

✓ Published0🌍 Public

Last edited Mar 19, 2020

Created on Mar 16, 2020

This visualization displays a world map with points sized by city population, using data from the Simplemaps World Cities Database for cities with over 50,000 residents. D3’s `geoNaturalEarth1` projection and `geoPath` render the sphere, graticules, and land boundaries from the World Atlas TopoJSON. A `scaleSqrt` maps population values to circle radii up to 15 pixels, while React composes the SVG elements. The semi-transparent teal circles overlay a light gray landmass, with country borders and graticules providing geographic context.

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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