d3.packEnclose(circles) Computes the smallest
node.copy() Return a deep copy of the subtree starting at this node. (The returned deep copy shares the same data
treemap(root) Lays out the specified root
pack(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
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