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

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

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

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

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

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

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

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

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

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