{"version":"1.0","type":"rich","title":"Choropleth Map","description":"This choropleth map colors countries by their economy classification using an ordinal color scale derived from d3.scaleOrdinal and d3.schemeSpectral. It renders world geography with d3.geoPath and a Natural Earth projection, with zoom and pan via d3.zoom. A color legend built from d3.zoom and custom SVG circles and text displays the categorical levels. The data comes from a GitHub-hosted CSV joined to TopoJSON world atlas geometries using topojson.feature. Hovering highlights individual countries with a red fill.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/59984bff7db74110aac8a0d2419259ed?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}