stratify.parentId([parentId]) If parentId is specified, sets the parent id accessor to the given function and

stratify(data) Generates a new hierarchy from the specified tabular data. Each node in the returned object has a shallow

tree(root) Lays out the specified root

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

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

d3.treemapSliceDice(node, x0, y0, x1, y1) If the specified node has odd depth, delegates

d3.treemapResquarify(node, x0, y0, x1, y1) Like

d3.tree() Creates a new tree layout with default settings.

d3.cluster() Creates a new cluster layout with default settings.

d3.pack() Creates a new pack layout with the default settings.