From a70243d9e9a7bf301b0453d5e9a411593327ca36 Mon Sep 17 00:00:00 2001
From: yamakatu <yamakatun2@gmail.com>
Date: Fri, 29 Nov 2013 22:58:54 +0900
Subject: [PATCH 1/3] add no zero filling option to histogram

---
 src/app/panels/histogram/timeSeries.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/app/panels/histogram/timeSeries.js b/src/app/panels/histogram/timeSeries.js
index 8885e734371..f2558dc9108 100644
--- a/src/app/panels/histogram/timeSeries.js
+++ b/src/app/panels/histogram/timeSeries.js
@@ -101,6 +101,8 @@ function (_, Interval) {
       strategy = this._getAllFlotPairs;
     } else if(this.opts.fill_style === 'null') {
       strategy = this._getNullFlotPairs;
+    } else if(this.opts.fill_style === 'no') {
+      strategy = this._getiNoZeroFlotPairs;
     } else {
       strategy = this._getMinFlotPairs;
     }
@@ -211,6 +213,19 @@ function (_, Interval) {
     return result;
   };
 
+  /**
+   * ** called as a reduce stragegy in getFlotPairs() **
+   * Not fill zero's on either side of the current time, only the current time
+   * @return {array}  An array of points to plot with flot
+   */
+  ts.ZeroFilled.prototype._getiNoZeroFlotPairs = function (result, time, i, times) {
+    var next, expected_next, prev, expected_prev;
 
+    // add the current time
+    result.push([ time, this._data[time] || 0 ]);
+
+    return result;
+  };
+  
   return ts;
 });
\ No newline at end of file

From 678b96d4f06c1ca0a3d7ccb9d51cdd962baa77f1 Mon Sep 17 00:00:00 2001
From: yamakatu <yamakatun2@gmail.com>
Date: Fri, 29 Nov 2013 23:37:07 +0900
Subject: [PATCH 2/3] change function name

---
 src/app/panels/histogram/timeSeries.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/app/panels/histogram/timeSeries.js b/src/app/panels/histogram/timeSeries.js
index f2558dc9108..9b7138adbe2 100644
--- a/src/app/panels/histogram/timeSeries.js
+++ b/src/app/panels/histogram/timeSeries.js
@@ -102,7 +102,7 @@ function (_, Interval) {
     } else if(this.opts.fill_style === 'null') {
       strategy = this._getNullFlotPairs;
     } else if(this.opts.fill_style === 'no') {
-      strategy = this._getiNoZeroFlotPairs;
+      strategy = this._getNoZeroFlotPairs;
     } else {
       strategy = this._getMinFlotPairs;
     }
@@ -218,7 +218,7 @@ function (_, Interval) {
    * Not fill zero's on either side of the current time, only the current time
    * @return {array}  An array of points to plot with flot
    */
-  ts.ZeroFilled.prototype._getiNoZeroFlotPairs = function (result, time, i, times) {
+  ts.ZeroFilled.prototype._getNoZeroFlotPairs = function (result, time, i, times) {
     var next, expected_next, prev, expected_prev;
 
     // add the current time

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 3/3] 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;
   };