Choropleth Map With Interactive Filtering

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Choropleth Map With Interactive Filtering

✓ Published0🌍 Public

Last edited Apr 1, 2020

Created on Apr 1, 2020

A choropleth map of world countries colored by economy, with an interactive color legend that filters the map to highlight countries in a selected category. Clicking a legend entry dims non-matching countries and increases their stroke width; clicking again clears the filter. Built with D3 v5, the visualization uses `d3.geoNaturalEarth1` and `d3.geoPath` to render topojson country features from the world-atlas dataset, with `d3.scaleOrdinal` and `schemeSpectral` for colors.

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D3 course follow along.

MIT Licensed

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