{"version":"1.0","type":"rich","title":"Choropleth Map with Interactive Filtering.js","description":"This choropleth map visualizes countries’ economic classifications using color-coded regions, with an interactive legend enabling users to filter which categories remain highlighted. The map pairs an ordinal color scale with a natural Earth projection via `d3.geoPath`, while a `d3.zoom` handler controls pan and zoom. Clicking a legend option dims non-matching countries and emphasizes the selection, using `d3.scaleOrdinal` and `schemeSpectral`. Data comes from TopoJSON world-atlas shapes merged with TSV attributes, rendered as SVG paths.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/443d5a72f4fb49af9d98c02faadc8947?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}