Prevent jump in hte beginning, and format code

graph.js

@@ -129,7 +129,7 @@ function buildGraph(data) {
             .iterations(2) // increase to make more rigid
         )
         .force("charge", d3.forceManyBody()
-            .strength(-50)
+            .strength(-40)
         )
         .force("center", d3.forceCenter(width / 2, height / 2))
         .force("collision", d3.forceCollide(function (d) {
@@ -300,6 +300,13 @@ function buildGraph(data) {
     });
 
 
+
+    // simulate the first bit without drawing, so we don't have the 'jumping' graph in the beginning
+    for (var i = 0, n = Math.ceil(Math.log(simulation.alphaMin()) / Math.log(1 - simulation.alphaDecay())); i < n; ++i) {
+        simulation.tick();
+    }
+
+
     return svg.node();
 }