U.S. TopoJSON

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Last edited Jan 24, 2017

Created on Nov 23, 2012

This visualization displays U.S. state and county boundaries extracted from a TopoJSON file served from d3js.org. A blurred, semi-transparent silhouette of the nation appears behind a solid white version, creating a subtle depth effect. The code uses d3.geoPath to render the features, while topojson.feature and topojson.mesh convert the TopoJSON data into GeoJSON paths for drawing.

AI-generated description

These county, state and country boundaries are extracted from a single TopoJSON file from us-atlas. See also the non-fancy variant.

gpl-3.0 Licensed

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