Fork of Points on a Map

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Fork of Points on a Map

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Last edited Apr 10, 2024

Created on Apr 10, 2024

This visualization displays over 4,000 cities with populations exceeding 50,000 as semi-transparent points on a natural Earth projection. The map includes geographic context through landmasses, graticules, and country borders. Using React with d3.geoNaturalEarth1 and d3.geoPath, it renders the World Atlas TopoJSON shapes as SVG paths, while city coordinates from the Simplemaps World Cities Database are projected to circles. The code demonstrates asynchronous data loading with d3.json and d3.csv hooks, filtering the initial dataset to only larger urban centers.

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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