{"version":"1.0","type":"rich","title":"Choroplath Map with Interactive Filtering","description":"A choropleth map colors countries by economic classification, using a categorical color scale with seven development categories. Interactive filtering lets users click legend items to highlight countries in a selected category, dimming all others. The map renders with d3.geoPath and a natural Earth projection, while d3.zoom enables panning and zooming. Data comes from the World Atlas TopoJSON and TSV files, processed via topojson.feature.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/949d944f177c4c43ae10bd7faa53b4dd?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}