How children share their parent's area (d3-hierarchy's tilings): squarify (tiles close to squarifyratio), binary (balanced splits), dice (side by side), slice (stacked), slice-dice / dice-slice (alternating by level).
pad?
number
3
Gap between sibling tiles, px. Minimum: 0
squarifyratio?
number
1
With squarify: the aspect ratio tiles aim for, either way (2 gives tiles about 2:1 or 1:2). Plotly uses 1 (squares) where d3 uses the golden ratio. Minimum: 1
