};
DygraphLayout.prototype.evaluate = function() {
+ this._xAxis = {};
this._evaluateLimits();
this._evaluateLineCharts();
this._evaluateLineTicks();
DygraphLayout.prototype._evaluateLimits = function() {
var xlimits = this.dygraph_.xAxisRange();
- this.minxval = xlimits[0];
- this.maxxval = xlimits[1];
+ this._xAxis.minval = xlimits[0];
+ this._xAxis.maxval = xlimits[1];
var xrange = xlimits[1] - xlimits[0];
- this.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.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++) {
var axis = this.yAxes_[i];
axis.minyval = axis.computedValueRange[0];
axis.yrange = axis.maxyval - axis.minyval;
axis.yscale = (axis.yrange !== 0 ? 1.0 / axis.yrange : 1.0);
- if (axis.g.getOption("logscale")) {
+ if (this.dygraph_.getOption("logscale")) {
axis.ylogrange = Dygraph.log10(axis.maxyval) - Dygraph.log10(axis.minyval);
axis.ylogscale = (axis.ylogrange !== 0 ? 1.0 / axis.ylogrange : 1.0);
if (!isFinite(axis.ylogrange) || isNaN(axis.ylogrange)) {
}
};
+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
DygraphLayout.prototype._evaluateLineCharts = function() {
var isStacked = this.dygraph_.getOption("stackedGraph");
+ var isLogscaleForX = this.dygraph_.getOptionForAxis("logscale", 'x');
for (var setIdx = 0; setIdx < this.points.length; setIdx++) {
var points = this.points[setIdx];
var point = points[j];
// Range from 0-1 where 0 represents left and 1 represents right.
- point.x = (point.xval - this.minxval) * this.xscale;
+ 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) {
for (i = 0; i < this.xTicks_.length; i++) {
tick = this.xTicks_[i];
label = tick.label;
- pos = this.xscale * (tick.v - this.minxval);
+ pos = this.dygraph_.toPercentXCoord(tick.v);
if ((pos >= 0.0) && (pos < 1.0)) {
this.xticks.push([pos, label]);
}