{"version":"1.0","type":"rich","title":"map","description":"This example displays a map of U.S. counties as unfilled, stroked polygons on a blank background, all rendered as SVG paths. The map shows the geographic boundaries without additional fill or data encoding. The code uses React with D3 v5 functions including `d3.geoAlbersUsa` for the projection, `d3.geoPath` to generate the path data, and TopoJSON's `feature` function to convert topojson data into GeoJSON features. Data loads asynchronously via `d3.json` from a remote URL, and each feature is mapped to an SVG `<path>` element with a thin teal stroke.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/14f953a3c9d84f8f9251e41385254f1e?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}