{"version":"1.0","type":"rich","title":"Circles on a Map","description":"This example displays world population estimates for 2018 using circles sized proportionally to population on a Natural Earth map. Country boundaries are rendered with `d3.geoPath` and a `geoNaturalEarth1` projection, while population data is loaded from a UN CSV file and topojson. A `scaleSqrt` size legend and `d3.zoom` for panning are included. Hovering reveals country names and formatted population values via SVG titles.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/19de683c31094aa38cef142f0289e27d?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}