{"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 name displayed as a text label. The tree layout positions nodes at varying depths, with larger font sizes for higher-level regions. The visualization uses D3 v5’s `tree` layout and `linkHorizontal` path generator to draw curved links from a JSON data source, and implements zooming via D3’s `zoom` behavior. SVG text elements render the labels, with a Playfair Display font and a white text shadow for readability.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/17cbb11a4ec5481babcad8e8e5aa92e8?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}