{"version":"1.0","type":"rich","title":"US Map Polishing","description":"An interactive choropleth of FBI NICS background check counts by U.S. state animates a zoom and reset view. Built with D3.js (`geoAlbersUsa`, `geoPath`), it fetches state boundaries as TopoJSON and merges CSV data. Hovering highlights a state in red and displays its name in a tooltip; clicking a state zooms to its bounding box using D3’s `zoom` behavior.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/91099e4e0c2c4f259b39f9ad9384a909?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}