Easy Chart Calculated Pens Driving Pen
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Dion Botha
It would be nice if we could use the current calculated pens to drive other calculated pens. Currently you can only drive a calculated pen with a database or tag history pen.
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Dion Botha
For instance, I have a control chart for which a client wants to see horizontal lines for +/- 1, 2 and 3 standard deviations of the mean. I can use the easy charts calculated pens to show lines for the mean and +/- 3 standard deviations from the mean (UCL and LCL functions). Now I would like to add the remaining +/- 1 and +/- 2 standard deviation lines but there is no way to achieve this without manually scripting these as constant calculated pens.
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Dion Botha
Interestingly I was able to do it by editing the dataset rather than the Easy Chart Customizer!