{"version":"1.0","type":"rich","title":"Untitled","description":"This example presents a choropleth map of the world, coloring each country according to its economic classification. The visualization uses a natural Earth projection via `d3.geoNaturalEarth1()` and renders SVG paths with `d3.geoPath`. Country boundaries are stroked in black, and hovering turns a country black. The code merges TopoJSON geometry with TSV data, and colors are assigned using `d3.scaleOrdinal` with a reversed `d3.schemeSpectral` palette, where the legend is not shown. Data is sourced from the `world-atlas` package and a custom TopoJSON file.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/e3be3b9829ff4db9be9e1c4e6029afe6?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}