Choropleth Map with Interactive Filtering.js

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Choropleth Map with Interactive Filtering.js

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Last edited Dec 31, 2020

Created on Dec 29, 2020

This choropleth map visualizes countries’ economic classifications using color-coded regions, with an interactive legend enabling users to filter which categories remain highlighted. The map pairs an ordinal color scale with a natural Earth projection via `d3.geoPath`, while a `d3.zoom` handler controls pan and zoom. Clicking a legend option dims non-matching countries and emphasizes the selection, using `d3.scaleOrdinal` and `schemeSpectral`. Data comes from TopoJSON world-atlas shapes merged with TSV attributes, rendered as SVG paths.

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MIT Licensed

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