{"version":"1.0","type":"rich","title":"Radial Tree of Countries Hierarchy","description":"This radial tree visualization displays the hierarchical structure of world countries, organized by continent and subregion, with leaf nodes representing individual nations. The D3 v4 `d3.cluster` layout positions nodes in a circular arrangement, while SVG paths connect parent and child nodes. Nodes are labeled with country names whose font size scales with depth using a `d3.scaleSqrt`. Panning and zooming are enabled through `d3.zoom`, and the data comes from the embedded `data.json` file.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/c06d039880c440558c47a7cb20c3fcd1?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}