{"version":"1.0","type":"rich","title":"US House of Representatives reapportionment","description":"This visualization animates the reapportionment of U.S. House of Representatives seats after the 2020 census, comparing each state’s population per representative between 2010 and 2020. A circle for each state is sized proportionally to total population, while concentric rings represent each seat, with area scaling to population-per-seat. Greener rings indicate more people per seat (underrepresentation), bluer indicate fewer. The animation uses `d3.transition` to morph ring radii and colors, `d3.geoPath` to render state polygons, and `d3.scaleSqrt` for circle sizing, alternating between two census years based on CSV and GeoJSON data.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/b1d15a80e89849aab9f587859448e87b?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}