给定树状图(如树状图示例(源)),如何在边缘上放置标签?绘制边的Javascript代码看起来像下一行:
var link = vis.selectAll("path.link") .data(cluster.links(nodes)) .enter().append("path") .attr("class", "link") .attr("d", diagonal);
javascript label edge dendrogram d3.js
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