{"version":"1.0","type":"rich","title":"task1.1 v2","description":"A radial tree visualization displays hierarchical topic clusters, with root categories branching into individual leaf nodes such as terms and phrases. The visualization uses D3 v4’s `d3.cluster` layout and renders SVG text and path elements. Panning and zooming are enabled via `d3.zoom`, with node font size scaled by depth using `d3.scaleSqrt`. Data is loaded from a local JSON file.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/d721008c55304c6b826b209a504b7b55?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}