{"version":"1.0","type":"rich","title":"Circles on a map","description":"This example displays a choropleth map of the world colored by income group, with a legend showing the color categories. The map uses a natural Earth projection and is rendered with SVG paths via d3.geoPath. A color legend built with a custom function displays ordinal color swatches. Users can pan and zoom the map using d3.zoom, while the data combines TopoJSON world geometries with CSV population estimates.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/0b1b4a5619c34acea55cce2d9b478c19?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}