{"version":"1.0","type":"rich","title":"World Countries Tree","description":"This visualization shows the hierarchical structure of world countries organized by continent and subregion, with each country as a leaf node in a tree layout. The example uses D3 v5 with the `cluster` layout and `hierarchy` function to process the nested JSON data, while `linkHorizontal` generates curved paths between parent and child nodes. The resulting SVG renders all connections as black lines on a white background, filling the entire browser viewport.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/1a4d0cbd61554c69bbd79ce236040759?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}