{"version":"1.0","type":"rich","title":"Count-Tree","description":"This visualization shows the hierarchical structure of countries organized by continent and subregion, displayed as a horizontal tree layout. Each node is labeled with its geographic region or country name, with font size decreasing at deeper levels. The SVG render is built with d3.v5, using `tree`, `hierarchy`, `linkHorizontal`, and `zoom` APIs to position nodes and links. The data comes from a JSON file containing the UN geographic classification.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/0e0571f6c3d5427982908a141ba1cc5d?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}