{"version":"1.0","type":"rich","title":"Choropleth Map with Interactive Filtering","description":"A choropleth map displays countries colored by economic classification, with a legend of color swatches. Clicking a legend item filters the map to highlight only countries in that category, dimming all others, while hovering over a legend item reveals its effect. Built with D3 v5, the visualization uses `geoNaturalEarth1` and `geoPath` for the map projection and rendering, plus `scaleOrdinal` with `schemeSpectral` for colors. Geographic data comes from the World Atlas TopoJSON and TSV files.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/b2751ad7728f4db598a2ea89c0a807bc?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}