node.sum(value) Evaluates the specified value function for this node and each descendant in

tree.separation([separation]) If separation is specified, sets the separation accessor to the specified function

treemap.tile([tile]) If tile is specified, sets the

node.descendants() Returns the array of descendant nodes, starting with this node, then followed by each child in topological

node.eachAfter(function) Invokes the specified function for node and each descendant in

d3.packSiblings(circles) Packs the specified array of circles, each of which must have a circle.r property

node.sort(compare) Sorts the children of this node, if any, and each of this node’s descendants’ children

cluster.nodeSize([size]) If size is specified, sets this cluster layout’s node size to the specified two-element

pack.size([size]) If size is specified, sets this pack layout’s size to the specified two-element array of

cluster.size([size]) If size is specified, sets this cluster layout’s size to the specified two-element array