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

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

d3.treemapSlice(node, x0, y0, x1, y1) Divides the rectangular area specified by x0, y0

pack.padding([padding]) If padding is specified, sets this pack layout’s padding accessor to the specified

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

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

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

cluster(root) Lays out the specified root

treemap.paddingBottom([padding]) If padding is specified, sets the bottom padding to the specified number or

node.leaves() Returns the array of leaf nodes in traversal order; leaves are nodes with no children.