{"version":"1.0","type":"rich","title":"Choropleth Map","description":"This choropleth map colors countries by their income group using a categorical color scale based on d3.scaleOrdinal and d3.schemeSpectral. It renders geographic boundaries with d3.geoPath and a natural Earth projection, loading TopoJSON and TSV data from the world-atlas package. The visualization includes an interactive color legend built with reusable D3 code, supports zooming via d3.zoom, and highlights countries on hover with a red fill.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/64d13b7ba93243c6addee8ec2327f969?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}