{"version":"1.0","type":"rich","title":"Choropleth Map","description":"This choropleth map colors countries by their economic classification using a spectral color scale, with hover highlighting and zoom/pan enabled via d3.zoom. The visualization loads world geometry from TopoJSON and joins it with tab-separated country metadata from the world-atlas dataset. It renders geographic paths with d3.geoPath and a Natural Earth projection, while a custom color legend displays ordinal color domains using SVG circles and text.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/1d4f8534a37a4bc5afc717c7c50e22d0?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}