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Synchronized auto-scaling with multiple charts #16

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Synchronized auto-scaling with multiple charts #16

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6 changes: 6 additions & 0 deletions smoothie.js
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ function TimeSeries(options) {
options.resetBounds = options.resetBounds || true; // Enable or disable the resetBounds timer
this.options = options;
this.data = [];
this.referenceSeries = options.referenceSeries || this;

this.maxValue = Number.NaN; // The maximum value ever seen in this time series.
this.minValue = Number.NaN; // The minimum value ever seen in this time series.
Expand All @@ -56,6 +57,11 @@ function TimeSeries(options) {

// Reset the min and max for this timeseries so the graph rescales itself
TimeSeries.prototype.resetBounds = function() {
if (this.referenceSeries !== this) {
this.maxValue = this.referenceSeries.maxValue;
this.minValue = this.referenceSeries.minValue;
return
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@copacetic copacetic Mar 23, 2014

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missing a semicolon

}
this.maxValue = Number.NaN;
this.minValue = Number.NaN;
for (var i = 0; i < this.data.length; i++) {
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