{"version":"1.0","type":"rich","title":"Choropleth Map","description":"This choropleth map colors countries by their economy category using a blue ordinal scale, with a hover tooltip showing the country name and economy value. The visualization projects geographic data with `d3.geoNaturalEarth1` and renders features via `d3.geoPath`. It loads country boundaries from TopoJSON and names from TSV, then applies `d3.zoom` for panning and scaling. A custom `colorLegend` component displays the color scale with circles and labels in SVG.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/11be417cd9c94b5eab17be916e4a7f04?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}