CPSC 436V Week 7 - Map with Selectable Countries

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CPSC 436V Week 7 - Map with Selectable Countries

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Last edited Feb 18, 2020

Created on Feb 18, 2020

Forked from Interactive Filtering on a Choropleth Map

This example shows a choropleth map of world countries colored by income group, with interactive selection. Clicking a country highlights it and dims all others, while a legend allows filtering by income category; clicking again deselects. The visualization uses d3.geoNaturalEarth1 and d3.geoPath for projection and rendering, d3.zoom for panning, and d3.scaleOrdinal with schemeSpectral for color mapping. Data comes from TopoJSON world-atlas and TSV metadata, rendered as SVG paths.

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Quiz 7

MIT Licensed

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