The node's name. The synthetic root's is the empty string.
OptionalchildrenIts children, absent on a leaf.
Its magnitude, rolled up from the children where it has them.
OptionalgetWhere the node was drawn -- on a sunburst, the slice's
{ cx, cy, r0, r, startAngle, endAngle }. Read only for a chart drawn to
a canvas; see canvas.ts.
One node of a hierarchy series' tree.
Measured:
getValue()answers the rolled-up sum for an interior node, so a declared value and a derived one are indistinguishable from the value alone -- seehierarchy.tsfor what is done about that.