{"version":"1.0","type":"rich","title":"Choropleth map interactive filtering","description":"This interactive choropleth map displays world countries colored by economic classification, with a legend that filters the map by clicking a category. Users can zoom and pan the map, and selected countries are highlighted while unselected ones fade. The visualization uses D3 v5 APIs including `d3.geoNaturalEarth1`, `d3.geoPath`, `d3.zoom`, and `d3.scaleOrdinal`, rendering with SVG. Data comes from the World Atlas TopoJSON file merged with TSV metadata.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/56069856263e4093a72fb171be0a7e6d?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}