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

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.

d3.treemapSquarify(node, x0, y0, x1, y1) Implements the

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

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

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