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Choropleth Map

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AAdrian Tan
Last edited Mar 28, 2020
Created on Mar 28, 2020
Forked from Choropleth Map

This choropleth map colors countries by income group using a diverging red-blue ordinal scale, with a zoomable Natural Earth projection and a color legend built from custom SVG circles. The visualization loads world country boundaries from TopoJSON and joins them to TSV metadata, then renders each nation as a styled SVG path with hover highlighting. It uses d3.geoPath, d3.geoNaturalEarth1, d3.zoom, and d3.scaleOrdinal with the schemeRdBu palette, while the legend is implemented as a reusable module.

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MIT Licensed

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