Fork of Country Map

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Fork of Country Map

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Last edited Apr 13, 2023

Created on Apr 13, 2023

This example displays a choropleth map of Italy, highlighting its regional borders and using a Mercator projection to shape the geographic outlines. The visualization is rendered as an SVG, with sky-blue fill for regions and black strokes for interior boundaries, while a hover effect changes the region color to PaleVioletRed. The code leverages D3 v5’s `geoMercator` and `geoPath` for map projection and path generation, TopoJSON’s `feature` and `mesh` functions to process geographical data from the italy.json file, and React with a custom `useData` hook to fetch and manage the data.

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