{"version":"1.0","type":"rich","title":"Choropleth Map","description":"A choropleth map of countries colored by economic classification from world-atlas data, with a categorical color legend that filters the map on click. The visualization uses D3 v5 APIs including `geoNaturalEarth1`, `geoPath`, and `scaleOrdinal` with a spectral color scheme, rendering as SVG with interactive zoom and hover highlighting.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/ce4f168abe764690804e30700f55d9bf?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}