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Last edited Apr 4, 2017

Created on Apr 4, 2017

This example presents an interactive map of the United States that layers OpenStreetMap raster tiles over a vector outline of the country. Users can pan and zoom, which triggers the loading of new map tiles and the redrawing of the state boundaries. The visualization is built with D3 v4, using its geographic projection and path modules alongside the d3-tile and d3-zoom libraries. The vector data originates from a local US GeoJSON file, while the background imagery is fetched from the OpenStreetMap tile server.

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