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CA Zip Code Map part IIA

✓ Published0🌍 Public
Ggarrettriha
Last edited Apr 11, 2019
Created on Apr 11, 2019

This visualization displays California zip code boundaries as a green choropleth map on a Mercator projection, centered on the state’s coordinates. Using d3.geoPath and d3.geoMercator, it renders SVG paths from GeoJSON data loaded from a GitHub repository. The map supports interactive zooming and panning via d3.zoom, with hover effects that turn individual zip codes red and show their five-digit identifiers as tooltips. The code relies on D3 v5’s modular imports for selection, projection, and event handling, with styling defined in CSS.

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