{"version":"1.0","type":"rich","title":"Sized Points on a Map","description":"This example shows a world map with cities represented as sized points, where circle radius encodes each city’s population using a square-root scale. It uses d3.geoNaturalEarth1 and d3.geoPath to render land, graticules, and interiors from World Atlas TopoJSON, while city data comes from a Simplemaps CSV loaded via d3.csv. The React component passes a d3.scaleSqrt to SVG circles, with rendering handled in React and styling via CSS.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/40fbac43979a4139a7763c8afb08aa36?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}