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

d3.packEnclose(circles) Computes the smallest

treemap(root) Lays out the specified root

squarify.ratio(ratio) Specifies the desired aspect ratio of the generated rectangles. The ratio must be specified

d3.hierarchy(data[, children]) Constructs a root node from the specified hierarchical data. The specified data

treemap.paddingLeft([padding]) If padding is specified, sets the left padding to the specified number or function

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