{"version":"1.0","type":"rich","title":"Fork of Choropleth Map with Interactive Filtering","description":"This choropleth map colors countries by economic grouping using a categorical color scale. Users can click legend items to filter the map, dimming non-matching countries while highlighting the selected group. The visualization uses d3.geoNaturalEarth1 and d3.geoPath for map projection, d3.zoom for panning, and d3.scaleOrdinal with schemeSpectral. Country boundaries come from the world-atlas TopoJSON dataset, with hover effects and a tooltip displaying country names and values.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/6887b3c3202d43428f272fb83e187df5?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}