Fix Relation visualization

Change-Id: Ibf5dfcf8d06eeb54053a0e402417d4608329e850
diff --git a/dev/js/src/match/treearc.js b/dev/js/src/match/treearc.js
index e7d7ac3..afcd187 100644
--- a/dev/js/src/match/treearc.js
+++ b/dev/js/src/match/treearc.js
@@ -610,7 +610,7 @@
 

       // Add sorted arcs and anchors

       this._sortedArcs    = lengthSort(sortedArcs, false);

-      this._sortedAnchors = lengthSort(Object.keys(anchors), true);

+      this._sortedAnchors = lengthSort(Object.values(anchors), true);

     },

 

     /**