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Enable rolling calculations

Currently all windowed calculations use a fixed window. The start and end time of the window are fixed in time. So if you apply the time average filter this leads to a graphs with steps. Especially if the time window is relatively large with respect to the plotted time range. For example if I average over 10 minutes and show 1 hour of data, I have 6 steps.

It would be better to make this window a rolling one for all calculations. Currently it is possible to do this by using a calculated tag. However this approach has several disadvantages:

  • a licensed tag is consumed
  • difficult to change the window size for the end user
  • these calculated tags are stored, but contain no new information
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  • To clarify, you are speaking of the application of an aggregate to a trend within the Trend Graph control, correct?  You would like to have apply the aggregates in a 'running' format rather than a fixed 'time slice'.

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    • Jeff Knepper Yes that is it I think. I attached a screenshot to be certain.

       

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    • Roald Ruiter Understand clearly, thank you sir.

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