zeni/go-chart
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secondary axis works.

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This commit is contained in:
Will Charczuk 2016-07-10 11:19:56 -07:00
parent abfdc3e0d9
commit d78930a08f
3 changed files with 76 additions and 34 deletions
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12
chart.go
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@ -155,6 +155,14 @@ func (c Chart) getRanges() (xrange, yrange, yrangeAlt Range) {
yrange.Min = globalMinY
yrange.Max = globalMaxY
}
if !c.YAxisSecondary.Range.IsZero() {
yrangeAlt.Min = c.YAxisSecondary.Range.Min
yrangeAlt.Max = c.YAxisSecondary.Range.Max
} else {
yrangeAlt.Min = globalMinYA
yrangeAlt.Max = globalMaxYA
}
return
}
@ -207,7 +215,7 @@ func (c Chart) getAxesTicks(r Renderer, xr, yr, yar Range, xf, yf, yfa ValueForm
yticks = c.YAxis.GetTicks(r, yr, yf)
}
if c.YAxisSecondary.Style.Show {
yticksAlt = c.YAxisSecondary.GetTicks(r, yr, yf)
yticksAlt = c.YAxisSecondary.GetTicks(r, yar, yf)
}
return
}
@ -348,7 +356,7 @@ func (c Chart) drawSeries(r Renderer, canvasBox Box, xrange, yrange, yrangeAlt R
if s.GetYAxis() == YAxisPrimary {
s.Render(r, canvasBox, xrange, yrange, c.getSeriesStyleDefaults(seriesIndex))
} else if s.GetYAxis() == YAxisSecondary {
s.Render(r, canvasBox, xrange, yrange, c.getSeriesStyleDefaults(seriesIndex))
s.Render(r, canvasBox, xrange, yrangeAlt, c.getSeriesStyleDefaults(seriesIndex))
}
}