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Sunburst

The catalog's single-parent hierarchy rendered as an interactive, zoomable sunburst — the same primary-parent reduction the By Hierarchy view uses, with foundational abstractions ringing the centre and their subtrees fanning outward. Every labeled wedge carries a P or D marker. Prime abstractions are always present; Include swaps between independently generated prime-only and mixed projections, so removing the domain-specific layer never leaves holes. To keep the larger structures legible, foundational families of 4 abstractions or fewer are pulled out of the wheel into Small families below, and nodes not yet placed in the active projection are listed under Unplaced abstractions.

Two further controls decide what the wheel is a picture of, and they answer different questions. Wheel shows decides which abstractions become wedges at all: under Branches only a wedge is drawn for each child that has children of its own, while children with nothing beneath them are pooled into a single terminal wedge and listed in the panel beside the chart — most of them are leaves, and a ring of leaves is a flat index drawn in a circle rather than a hierarchy. Every child draws a wedge for each child regardless. Wedge width decides how wide each of those wedges is: By count makes width proportional to how many abstractions sit beneath — faithful, but dominated by wherever domain-specific authoring happened to land — while Balanced damps that ratio so small families stay readable, and Equal gives every sibling the same width. Widths are always normalised within a sibling set, so a parent's span is filled exactly whichever setting is chosen.

164 foundational families in the wheel · 11031 abstractions shown · 139 small families · 1670 unplaced

Click a wedge to dive into its subtree; click the centre to zoom back out. From keyboard focus, use the arrow keys to move among visible wedges and Enter to activate one. A leaf opens its typed page in a new tab; for any other abstraction, the "open the page" link above the chart does the same. The grey wedge at the end of a ring pools the abstractions that sit directly under the focused one — they are listed, searchable, in the panel beside the chart. A wedge labelled "Other" folds a long tail of smaller subtrees together and opens like any other wedge. See the DAG type system for what the parent–child relationships mean. The Downloads page offers both the canonical graph streams and the node-oriented convenience export.

Include Wheel shows Wedge width

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