{"version":"1.0","type":"rich","title":"Fork of Circle on the Map","description":"A world map animates shifting population projections from 2020 through 2030, with circles sized by projected population using a square-root scale. Countries missing data appear in pink. The visualization uses d3.geoNaturalEarth1 for projection, d3.geoPath for country outlines, and d3.zoom for panning. Animated transitions update circle radii sequentially, while a size legend and color legend appear. Population data comes from a CSV file, merged with country geometries from TopoJSON via the topojson library.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/57670ab4621743dbb166db9c34fbd857?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}