{"version":"1.0","type":"rich","title":"Choropleth Map with Interactive Filtering","description":"This choropleth map displays global economic classifications by country, with an interactive legend that filters highlighted regions. Users can click legend items to dim non-matching countries and emphasize selected categories, while zoom and pan are enabled via d3.zoom. The visualization uses D3 v5 with d3.geoNaturalEarth1 projection, d3.geoPath for rendering SVG paths, and d3.scaleOrdinal with a spectral color scheme. Data comes from the world-atlas TopoJSON dataset, with country names and economy values loaded from TSV metadata.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/c829b3ff61064d3eab13439f213b072e?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}