{"version":"1.0","type":"rich","title":"Choropleth map","description":"A choropleth map colors countries according to their income group, using a spectral color scale with a natural Earth projection. The visualization includes a color legend with circles and labels, and supports zooming via d3.zoom. Data is loaded from a TSV file and TopoJSON world atlas using Promise.all, then rendered as SVG paths with d3.geoPath. Hovering highlights countries in red, and tooltips show country names and income group values.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/f10086a661094c388e0e6604024aa9ee?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}