A fractal
Three levels of nested containers. The strategy changes at each level: a grid of rings of grids.
Edit it
64 boxes, 0 edges. The audit finds no defect.
The input
The same layout in TypeScript. The input is plain data, so it can come from JSON.
import { layout } from "ireko";
const input = { "root": { "id": "f", "label": "", "mode": "nested", "layout": { "type": "grid", "columns": 3 }, "children": [ { "id": "f.1", "label": "", "mode": "nested", "layout": "radial", "children": [ { "id": "f.1.1", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.1.1.1", "label": "" }, { "id": "f.1.1.2", "label": "" }, { "id": "f.1.1.3", "label": "" }, { "id": "f.1.1.4", "label": "" } ] }, { "id": "f.1.2", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.1.2.1", "label": "" }, { "id": "f.1.2.2", "label": "" }, { "id": "f.1.2.3", "label": "" }, { "id": "f.1.2.4", "label": "" } ] }, { "id": "f.1.3", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.1.3.1", "label": "" }, { "id": "f.1.3.2", "label": "" }, { "id": "f.1.3.3", "label": "" }, { "id": "f.1.3.4", "label": "" } ] }, { "id": "f.1.4", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.1.4.1", "label": "" }, { "id": "f.1.4.2", "label": "" }, { "id": "f.1.4.3", "label": "" }, { "id": "f.1.4.4", "label": "" } ] } ] }, { "id": "f.2", "label": "", "mode": "nested", "layout": "radial", "children": [ { "id": "f.2.1", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.2.1.1", "label": "" }, { "id": "f.2.1.2", "label": "" }, { "id": "f.2.1.3", "label": "" }, { "id": "f.2.1.4", "label": "" } ] }, { "id": "f.2.2", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.2.2.1", "label": "" }, { "id": "f.2.2.2", "label": "" }, { "id": "f.2.2.3", "label": "" }, { "id": "f.2.2.4", "label": "" } ] }, { "id": "f.2.3", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.2.3.1", "label": "" }, { "id": "f.2.3.2", "label": "" }, { "id": "f.2.3.3", "label": "" }, { "id": "f.2.3.4", "label": "" } ] }, { "id": "f.2.4", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.2.4.1", "label": "" }, { "id": "f.2.4.2", "label": "" }, { "id": "f.2.4.3", "label": "" }, { "id": "f.2.4.4", "label": "" } ] } ] }, { "id": "f.3", "label": "", "mode": "nested", "layout": "radial", "children": [ { "id": "f.3.1", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.3.1.1", "label": "" }, { "id": "f.3.1.2", "label": "" }, { "id": "f.3.1.3", "label": "" }, { "id": "f.3.1.4", "label": "" } ] }, { "id": "f.3.2", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.3.2.1", "label": "" }, { "id": "f.3.2.2", "label": "" }, { "id": "f.3.2.3", "label": "" }, { "id": "f.3.2.4", "label": "" } ] }, { "id": "f.3.3", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.3.3.1", "label": "" }, { "id": "f.3.3.2", "label": "" }, { "id": "f.3.3.3", "label": "" }, { "id": "f.3.3.4", "label": "" } ] }, { "id": "f.3.4", "label": "", "mode": "nested", "layout": "grid", "children": [ { "id": "f.3.4.1", "label": "" }, { "id": "f.3.4.2", "label": "" }, { "id": "f.3.4.3", "label": "" }, { "id": "f.3.4.4", "label": "" } ] } ] } ] }};
const result = layout(input, {"nodeSize":{"width":28,"height":28},"spacing":8,"header":14});