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My idea was to have two FastLineRenderableSeries that both share the same XyDataSeries. One series will display the data as-is as an absolute value, while the other will display the same data relative to some arbitrary value. Each series would get it’s own axis.
Is there a way to accomplish what I’m trying to do, or is there another approach that accomplishes the same thing?
The only way to achieve this now is to perform the transform inside a CustomRenderableSeries.
For example we do this in our Spline Line WPF Chart example, where we take line data and transform it into a spline curve inside a custom series.
In the future, we are writing a Filters API that will allow for you to daisy-chain DataSeries and apply filters (functions, transforms) to them. This will be coming as part of SciChart v5 which we announced an early access preview for a couple of weeks ago.
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