{"version":"1.0","type":"rich","title":"Interactive Filtering of Choropleth Map","description":"A choropleth map colors countries by economic classification using an ordinal color scale and the D3 geoNaturalEarth1 projection. Users click legend items to filter the map’s displayed categories, with non-selected legend entries and map countries dimmed to 20% opacity. The visualization relies on d3.geoPath, d3.zoom for panning, and topojson to convert world-atlas TopoJSON data into GeoJSON features.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/3c8b329568b940759d5eb4bb8d69bf51?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}