From 18c9f78c024175f696c5da7d6580f4017a367de1 Mon Sep 17 00:00:00 2001
From: knsv <knut@sveido.com>
Date: Sat, 23 May 2015 10:11:31 +0200
Subject: [PATCH] Adding id attribute for clusters

---
 lib/create-clusters.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/create-clusters.js b/lib/create-clusters.js
index 9310b6f0..af1921b4 100644
--- a/lib/create-clusters.js
+++ b/lib/create-clusters.js
@@ -12,6 +12,10 @@ function createClusters(selection, g) {
   svgClusters.enter()
     .append("g")
       .attr("class", "cluster")
+      .attr("id",function(v){
+          var node = g.node(v);
+          return node.id;
+      })
       .style("opacity", 0);
 
   util.applyTransition(svgClusters, g)