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updating readme.

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Will Charczuk 2016-07-10 18:36:39 -07:00
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README.md
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@ -91,6 +91,13 @@ graph := chart.Chart{
graph.Render(chart.PNG, buffer)
```
# 2 Y-Axis Charts
![](https://raw.githubusercontent.com/wcharczuk/go-chart/master/images/two_axispng)
It is also possible to draw series against 2 separate y-axis with their own ranges (usually good for comparison charts).
In order to map the series to an alternate axis make sure to set the `YAxis` property of the series to `YAxisSecondary`.
# Design Philosophy
I wanted to make a charting library that used only native golang, that could be stood up on a server (i.e. it had built in fonts).

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