From 43b844fb79aa46fd0f1a7eee3dc4b5666f3b8684 Mon Sep 17 00:00:00 2001
From: yamakatu <yamakatun2@gmail.com>
Date: Fri, 6 Dec 2013 15:31:21 +0900
Subject: [PATCH] modify the function so that does not show 0, when two or more
 lines are drawn.

---
 src/app/panels/histogram/timeSeries.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/app/panels/histogram/timeSeries.js b/src/app/panels/histogram/timeSeries.js
index 9b7138adbe2..02f5f54e20f 100644
--- a/src/app/panels/histogram/timeSeries.js
+++ b/src/app/panels/histogram/timeSeries.js
@@ -222,7 +222,9 @@ function (_, Interval) {
     var next, expected_next, prev, expected_prev;
 
     // add the current time
-    result.push([ time, this._data[time] || 0 ]);
+    if(this._data[time]){
+      result.push([ time, this._data[time]]);
+    }
 
     return result;
   };