{"version":"1.0","type":"rich","title":"Los Angeles Exp","description":"A choropleth map of Los Angeles County shows COVID-19 death rates by neighborhood, with gray indicating missing data. Built with React and D3 v5, it uses `geoEquirectangular` projection and `geoPath` to render TopoJSON boundaries alongside CSV data from County of LA eGIS. A threshold color scale maps death rates to a blue sequential scheme, while mouse hover events trigger neighborhood details, demonstrating layered data integration in an SVG.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/539d1765cea04b369f47eb3178c25912?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}