{"version":"1.0","type":"rich","title":"World Countries Tree","description":"A hierarchical tree visualizes a small JSON dataset of family connections, tracing from a root node through individual names and attributes like birthplace and date. The D3.js v5 code builds the layout using `d3.hierarchy` and `d3.tree`, drawing curved paths with `d3.linkHorizontal`. Text labels display node IDs with font sizes scaled by depth. The SVG visualization includes zoom functionality via `d3.zoom` for interactive exploration.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/8fc42cfbd4954bb8ad58d37d4f8470bb?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}