Mountains on a Map

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Mountains on a Map

✓ Published0🌍 Public

Last edited Aug 8, 2020

Created on Aug 8, 2020

A world map displays cities with populations over 50,000 as triangular "mountains," where each peak’s height encodes population size and its color encodes the country. The visualization uses a natural Earth projection via `d3.geoNaturalEarth1` and `d3.geoPath` for rendering landmasses and graticules in SVG. City data comes from Simplemaps, with country boundaries from World Atlas TopoJSON. Hovering a mountain reveals a tooltip with the city, country, and formatted population, inspired by the New York Times’ coronavirus death toll graphic.

AI-generated description

A world map showing cities with population greater than 50,000.

Height represents population.
Color represents country.

City data from Simplemaps: World Cities Database.

Country boundaries from World Atlas TopoJSON, polished for visual style, including graticules.

Colors inspired by UNHCR Streamgraph Explorer.

Technique inspired by New York Times: See How the Coronavirus Death Toll Grew Across the U.S..

MIT Licensed

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