{"version":"1.0","type":"rich","title":"Choropleth map","description":"A world map rendered as a choropleth shades each country according to its economic classification, using a spectral color scale. Hovering highlights a country and shows its name and classification. The map is drawn with d3.geoPath and a Natural Earth projection, with TopoJSON data from the world-atlas package. A custom colorLegend function displays the ordinal scale, and d3.zoom enables interactive panning and zooming of the SVG.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/93b60365ec7b4bc5b2b8542ab692d5f4?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}