This radial tree visualization maps the fork relationships among VizHub visualizations, using a circular layout where each node represents a project and links trace its lineage back to a common root. The code fetches metadata from the VizHub API, builds a hierarchy with d3.stratify, and renders the structure with d3.tree and d3.linkRadial; pan and zoom are enabled via d3.zoom. SVG paths draw the connecting lines, while the static dataset and styling rely on D3 v5 and Playfair Display fonts.