for (var i = 0; i < ann.length; i++) {
var a = {};
if (!ann[i].xval && ann[i].x === undefined) {
- this.dygraph_.error("Annotations must have an 'x' property");
+ Dygraph.error("Annotations must have an 'x' property");
return;
}
if (ann[i].icon &&
!(ann[i].hasOwnProperty('width') &&
ann[i].hasOwnProperty('height'))) {
- this.dygraph_.error("Must set width and height when setting " +
- "annotation.icon property");
+ Dygraph.error("Must set width and height when setting " +
+ "annotation.icon property");
return;
}
Dygraph.update(a, ann[i]);
};
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.minxval = xlimits[0];
+ this._xAxis.maxxval = xlimits[1];
var xrange = xlimits[1] - xlimits[0];
- this.xscale = (xrange !== 0 ? 1 / xrange : 1.0);
+ this._xAxis.xscale = (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.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)) {
- axis.g.error('axis ' + i + ' of graph at ' + axis.g +
- ' can\'t be displayed in log scale for range [' +
- axis.minyval + ' - ' + axis.maxyval + ']');
+ Dygraph.error('axis ' + i + ' of graph at ' + axis.g +
+ ' can\'t be displayed in log scale for range [' +
+ axis.minyval + ' - ' + axis.maxyval + ']');
}
}
}
};
+DygraphLayout.calcXNormal_ = function(value, axis, logscale) {
+ if (logscale) {
+ return ((Dygraph.log10(value) - Dygraph.log10(axis.minxval)) * axis.xlogscale);
+ } else {
+ return (value - axis.minxval) * axis.xscale;
+ }
+};
+
/**
* @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]);
}