Mind renaming.

diff --git a/dygraph-layout.js b/dygraph-layout.js
index d9d5899..41ec54e 100644 (file)
--- a/dygraph-layout.js
+++ b/dygraph-layout.js
@@ -184,13 +184,13 @@ DygraphLayout.prototype.evaluate = function() {
 
 DygraphLayout.prototype._evaluateLimits = function() {
   var xlimits = this.dygraph_.xAxisRange();
-  this._xAxis.minxval = xlimits[0];
-  this._xAxis.maxxval = xlimits[1];
+  this._xAxis.minval = xlimits[0];
+  this._xAxis.maxval = xlimits[1];
   var xrange = xlimits[1] - xlimits[0];
-  this._xAxis.xscale = (xrange !== 0 ? 1 / xrange : 1.0);
+  this._xAxis.scale = (xrange !== 0 ? 1 / xrange : 1.0);
 
   if (this.dygraph_.getOptionForAxis("logscale", 'x')) {
-    this._xAxis.xlogrange = Dygraph.log10(this._xAxis.maxxval) - Dygraph.log10(this._xAxis.minxval);
+    this._xAxis.xlogrange = Dygraph.log10(this._xAxis.maxval) - Dygraph.log10(this._xAxis.minval);
     this._xAxis.xlogscale = (this._xAxis.xlogrange !== 0 ? 1.0 / this._xAxis.xlogrange : 1.0);
   }
   for (var i = 0; i < this.yAxes_.length; i++) {
@@ -212,6 +212,14 @@ DygraphLayout.prototype._evaluateLimits = function() {
   }
 };
 
+DygraphLayout.calcXNormal_ = function(value, xAxis, logscale) {
+  if (logscale) {
+    return ((Dygraph.log10(value) - Dygraph.log10(xAxis.minval)) * xAxis.xlogscale);
+  } else {
+    return (value - xAxis.minval) * xAxis.scale;
+  }
+};
+
 /**
  * @param {DygraphAxisType} axis
  * @param {number} value
@@ -243,7 +251,7 @@ DygraphLayout.prototype._evaluateLineCharts = function() {
       var point = points[j];
 
       // Range from 0-1 where 0 represents left and 1 represents right.
-      point.x = DygraphLayout._calcXNormal(point.xval, this._xAxis, isLogscaleForX);
+      point.x = DygraphLayout.calcXNormal_(point.xval, this._xAxis, isLogscaleForX);
       // Range from 0-1 where 0 represents top and 1 represents bottom
       var yval = point.yval;
       if (isStacked) {