make choropleth map

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make choropleth map

✓ Published0🌍 Public

Last edited Aug 24, 2021

Created on Aug 24, 2021

A choropleth map displays the global prevalence of AIDS across countries for the year 2017, using a yellow-orange-red sequential color scale to indicate severity. Countries without data appear gray. Built with React and D3 v5, the visualization uses `geoNaturalEarth1` and `geoPath` to render country boundaries from World Atlas TopoJSON, with graticules and interiors drawn as separate SVG paths. Data is loaded from CSV files via D3's `csv` function, and country codes are matched to join the dataset.

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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