Choropleth Map with Interactive Filtering

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Choropleth Map with Interactive Filtering

✓ Published0🌍 Public

Last edited Jul 28, 2021

Created on Jul 28, 2021

This choropleth map colors countries by economic classification using a spectral color scale, with a natural Earth projection rendered as SVG paths. An interactive legend allows users to click individual color categories, though the selection only logs to the console rather than filtering the map. The visualization loads world topology from the world-atlas TopoJSON dataset and joins country names from TSV data. The choropleth uses d3.geoPath, d3.scaleOrdinal with schemeSpectral, and d3.zoom for panning and zooming, while the custom colorLegend module handles the clickable legend UI.

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MIT Licensed

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