{"version":"1.0","type":"rich","title":"Choropleth Map","description":"This choropleth map visualizes countries by their economy type, using a spectral color scale applied via `d3.scaleOrdinal` and `d3.schemeSpectral`. It projects geographic data with `d3.geoNaturalEarth1` and renders shapes through `d3.geoPath` in an SVG, with topojson data loaded from the World Atlas. The map supports zooming via `d3.zoom`, and hovering highlights individual countries. Country names and economy values appear as tooltips from appended title elements.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/3af1eae10bd54c3a95fb8cbbad3e8ff2?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}