{"version":"1.0","type":"rich","title":"Choropleth Map","description":"This choropleth map colors countries by economic group, using a spectral color scale and a natural Earth projection. Hovering reveals a country’s name and category. The map is rendered as SVG with topojson world-atlas data, and pan/zoom is handled via `d3.zoom`. A custom color legend, built with D3’s scale ordinal and selection methods, displays the categorical key in a translucent box.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/14bcbeb8afec42c796dbc7a188b90f66?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}