From df8e5de276509d4da7a4b461465316120bdd13b6 Mon Sep 17 00:00:00 2001
From: Klaus Weidner <klausw@google.com>
Date: Fri, 8 Feb 2013 17:27:44 -0800
Subject: [PATCH] Don't redraw graph stack in interactive highlight

When drawing a single series during interactive highlight,
only use the last plotter.

Fixes issue 424.
---
 dygraph-canvas.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dygraph-canvas.js b/dygraph-canvas.js
index 89d28b4..de8430c 100644
--- a/dygraph-canvas.js
+++ b/dygraph-canvas.js
@@ -474,7 +474,7 @@ DygraphCanvasRenderer.prototype._renderLineChart = function(opt_seriesName, opt_
 
     for (var j = 0; j < sets.length; j++) {
       setName = setNames[j];
-      if (opt_seriesName && setName != opt_seriesName) continue;
+      if (opt_seriesName && !(is_last && setName == opt_seriesName)) continue;
 
       var points = sets[j];
 
-- 
2.7.4