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Choropleth Map with Interactive Filtering

✓ Published0🌍 Public
AAnthony Alsford
Last edited Nov 9, 2020
Created on Nov 7, 2020

A choropleth map colors countries by economic classification using a spectral color scale, with an interactive legend that filters the map when clicked. Hovering over a legend item dims all countries except those matching the selected category, while clicking toggles the filter on and off. Built with D3 v5, the visualization uses `d3.geoNaturalEarth1` for projection, `d3.geoPath` for rendering SVG paths, and `d3.zoom` for panning and zooming. Geographic data comes from the World Atlas TopoJSON dataset, with country names and economic groups loaded from a TSV file.

AI-generated description

A choropleth map where you can hover over items in the color legend items to interactively filter!

MIT Licensed

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