Fork of Points on a Map

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Fork of Points on a Map

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Last edited Aug 21, 2022

Created on Aug 21, 2022

This example shows a world map with graticules and country boundaries, overlaid with small circles representing cities with populations over 50,000. The map uses the `geoNaturalEarth1` projection and `d3.geoPath` to render land, sphere, and graticule paths from TopoJSON data. City positions are projected from latitude and longitude coordinates, and each city is drawn as an SVG circle with opacity. The visualization is built with React and D3 v5, loading data from a CSV of world cities and the World Atlas TopoJSON.

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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