{"version":"1.0","type":"rich","title":"World countries tree","description":"This visualization shows the hierarchical structure of world countries, organized by continent and subregion, in a horizontal tree layout. It uses d3.tree and d3.hierarchy to compute the layout, d3.linkHorizontal for the curved connecting paths, and d3.zoom for panning and zooming. The data comes from a local JSON file, rendered as SVG text labels with size varying by depth.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/487abdc90d8c4210be915758fb7616aa?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}