{"version":"1.0","type":"rich","title":"Fork of World Countries Tree","description":"This visualization displays the hierarchical structure of world countries, organized by continent and subregion, using a horizontal tree layout. The D3.js code employs `d3.tree` and `d3.hierarchy` to compute node positions, `d3.linkHorizontal` to draw curved connecting paths, and `d3.zoom` to enable pan and zoom interactions. Text labels for each country and region are rendered directly in SVG, with font sizes decreasing by depth level. Data comes from the included `data.json` file, which nests countries geographically.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/0fd1dc9bdb244260b43f0448ae54a3e2?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}