Choropleth Map Interactive Filtering

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Choropleth Map Interactive Filtering

✓ Published0🌍 Public

Last edited Mar 25, 2020

Created on Mar 25, 2020

This choropleth map displays world countries colored by economy category using an ordinal spectral color scale. Clicking a legend category filters the map by highlighting countries in that category and dimming all others; clicking again clears the filter. The visualization uses D3 v5 APIs including `geoNaturalEarth1`, `geoPath`, `zoom`, and `scaleOrdinal` on SVG paths, with country data loaded from the world-atlas TopoJSON and TSV files. A legend built with `colorLegend` updates opacity and triggers interactive filtering.

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MIT Licensed

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