chart2 = Tree(temp_split, {
label: d => d.id,
title: (d, n) => `${n.ancestors().reverse().map(d => d.data.id).join(".")}`,
link: (d, n) => `https://github.com/prefuse/Flare/${n.Children ? "tree" : "blob"}/master/flare/src/${n.ancestors().reverse().map(d => d.data.id).join("/")}${n.Children ? "" : ".as"}`,
sort: (a, b) => d3.descending(a.height, b.height),
tree: d3.cluster,
width: 1152
})