{"version":"1.0","type":"rich","title":"Choropleth Map","description":"This choropleth map colors countries by economic classification using a categorical color scale based on the World Atlas TopoJSON dataset. It renders geographic boundaries with d3.geoPath and a natural Earth projection, while a legend built from d3.scaleOrdinal and schemeSpectral displays the color categories. Hovering highlights individual countries, and d3.zoom enables pan and zoom interactions on the SVG.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/7c61843bdc604b5bbdf7fe47733219ba?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}