{"version":"1.0","type":"rich","title":"World Countries Tree","description":"This visualization presents a hierarchical tree of world countries, organized by continent and subregion, with each country as a leaf node. The view uses a left-to-right layout where nodes are positioned by depth and text size decreases at deeper levels. It is rendered as SVG using D3 v6, with the tree layout generated by `d3.tree()` and `d3.hierarchy()`. Connections are drawn with `d3.linkHorizontal()`, and the chart supports pan and zoom via the `d3.zoom()` behavior applied to the SVG group.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/9819d918aeab492f861f7e4b61ede744?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}