{"version":"1.0","type":"rich","title":"Tree Example","description":"This interactive tree diagram displays a hierarchical data structure for blood groups, starting with a root \"Blood Group\" node that branches into types A and B, each further divided into positive and negative variants. Built with D3.js version 3.5.17, it uses SVG rendering and animation, implementing a collapsible tree layout where users can click nodes to expand or collapse child branches with smooth transitions via the `d3.layout.tree` and `d3.svg.diagonal` APIs.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/2ae97a0be2734276b37b42f9d7d2fb68?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}