Merge pull request #216 from klausw-g/issue-424-b

[dygraphs.git] / dygraph-canvas.js

diff --git a/dygraph-canvas.js b/dygraph-canvas.js
index 0e1bc75..b647b7a 100644 (file)
--- a/dygraph-canvas.js
+++ b/dygraph-canvas.js
@@ -475,7 +475,7 @@ DygraphCanvasRenderer.prototype._renderLineChart = function(opt_seriesName, opt_
 
     for (var j = 0; j < sets.length; j++) {
       setName = setNames[j];
-      if (opt_seriesName && !(is_last && setName == opt_seriesName)) continue;
+      if (opt_seriesName && setName != opt_seriesName) continue;
 
       var points = sets[j];
 
@@ -507,6 +507,7 @@ DygraphCanvasRenderer.prototype._renderLineChart = function(opt_seriesName, opt_
         plotArea: this.area,
         seriesIndex: j,
         seriesCount: sets.length,
+        singleSeriesName: opt_seriesName,
         allSeriesPoints: sets
       });
       ctx.restore();
@@ -664,6 +665,9 @@ DygraphCanvasRenderer._errorPlotter = function(e) {
  * @private
  */
 DygraphCanvasRenderer._fillPlotter = function(e) {
+  // Skip if we're drawing a single series for interactive highlight overlay.
+  if (e.singleSeriesName) return;
+
   // We'll handle all the series at once, not one-by-one.
   if (e.seriesIndex !== 0) return;