Fork of Choropleth Map with Interactive Filtering F

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Fork of Choropleth Map with Interactive Filtering F

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Last edited Mar 15, 2023

Created on Mar 15, 2023

Forked from Choropleth Map with Interactive Filtering

A choropleth map visualizes countries by their economic classification, with a color legend that doubles as an interactive filter. Users click legend items to highlight matching countries and dim others, while hovering over map regions reveals the country name and value in a tooltip. The map uses `d3.geoNaturalEarth1` and `d3.geoPath` for projection, `d3.zoom` for panning and zooming, and a `d3.scaleOrdinal` with `d3.schemeSpectral`. Data comes from the World Atlas TopoJSON and TSV files, with panning handled via SVG transforms.

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A choropleth map where you can hover over items in the color legend items to interactively filter!

MIT Licensed

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Fork of Choropleth Map with Interactive Filtering F

This choropleth map displays global country-level economic classifications using an ordinal color scale. Users can click legend items to highlight matching countries and dim all others, with a second click clearing the filter. The map uses D3 v5’s `geoNaturalEarth1` projection, `geoPath`, and `zoom` for pan/zoom interaction, with SVG rendering. Data comes from the world-atlas TopoJSON dataset, joined to TSV metadata. The legend and map are both rendered with D3 selections, and hover effects highlight individual countries.

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