X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph-interaction-model.js;h=98d14110c1e14eafdf55b36713cac82a689b8a67;hb=0842b24b38096009a743ee1d28c25c4714fa2123;hp=3029025b7198be989d5d049069811226b5323a62;hpb=88e95c462340958bdfd0ac4c0736b94c5fd21024;p=dygraphs.git

diff --git a/dygraph-interaction-model.js b/dygraph-interaction-model.js
index 3029025..98d1411 100644
--- a/dygraph-interaction-model.js
+++ b/dygraph-interaction-model.js
@@ -129,7 +129,7 @@ Dygraph.Interaction.movePan = function(event, g, context) {
 
       var pixelsDragged = context.dragEndY - context.dragStartY;
       var unitsDragged = pixelsDragged * axis.unitsPerPixel;
- 
+
       var boundedValue = context.boundedValues ? context.boundedValues[i] : null;
 
       // In log scale, maxValue and minValue are the logs of those values.
@@ -266,7 +266,8 @@ Dygraph.Interaction.treatMouseOpAsClick = function(g, event, context) {
       var p = g.selPoints_[i];
       var distance = Math.pow(p.canvasx - context.dragEndX, 2) +
                      Math.pow(p.canvasy - context.dragEndY, 2);
-      if (closestIdx == -1 || distance < closestDistance) {
+      if (!isNaN(distance) &&
+          (closestIdx == -1 || distance < closestDistance)) {
         closestDistance = distance;
         closestIdx = i;
       }
@@ -322,7 +323,7 @@ Dygraph.Interaction.endZoom = function(event, g, context) {
     g.doZoomY_(Math.min(context.dragStartY, context.dragEndY),
                Math.max(context.dragStartY, context.dragEndY));
   } else {
-    g.canvas_ctx_.clearRect(0, 0, g.canvas_.width, g.canvas_.height);
+    g.clearZoomRect_();
   }
   context.dragStartX = null;
   context.dragStartY = null;