{"version":"1.0","type":"rich","title":"Choropleth Map","description":"This choropleth map visualizes countries’ economic classifications using a color scale based on the world-atlas TopoJSON dataset. The map renders with d3.geoPath and a natural Earth projection, while a d3.scaleOrdinal with schemeSpectral colors fills each country. Hovering highlights countries in pink, and a color legend explains the ordinal scale. Users can zoom and pan via d3.zoom, with all interaction and styling implemented in SVG.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/5deb09eee9634cf5a01dbe79cd4debaa?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}