{"version":"1.0","type":"rich","title":"World Countries Tree","description":"This interactive visualization depicts the hierarchical structure of world countries, organized by continent and subregion, using a tree layout rendered as an SVG. The D3.js v5 library's `tree`, `hierarchy`, and `linkHorizontal` APIs generate the node-link diagram from a JSON data file. Text labels display each country's name, with font size varying by depth. A zooming capability, implemented via D3's `zoom` and `event` methods, allows users to pan and scale the view.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/406e0a20acf54528803396801b8c023d?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}