{"version":"1.0","type":"rich","title":"Fork of Choroplath Map with Interactive Filtering","description":"A choropleth map of world countries colored by economic development category, using D3 v5 with an SVG rendering and a natural Earth projection. Users can click legend items to filter and highlight countries matching the selected development group, with non-matching countries faded to low opacity. The visualization loads geographic data from the World Atlas TopoJSON and joins it with TSV metadata, implementing interactive zooming via `d3.zoom` and user-controlled selection through a custom color legend with `d3.scaleOrdinal`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/97c43bc2d28640839cde538497d00461?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}