{"version":"1.0","type":"rich","title":"HW3_111","description":"This radial tree visualization displays the hierarchical structure of world countries, organized by region and subregion, with interactive panning and zooming enabled through `d3.zoom`. The code uses `d3.hierarchy` and `d3.cluster` to compute node positions, with curved paths drawn via SVG `path` elements. Node labels are rotated tangentially and vary in font size based on depth, while white text shadows improve readability. The visualization adapts Curran Kelleher’s block, rendering the hierarchy from a JSON data file.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/f0ed4edd7cf948daabd102f3e9623563?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}