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AVEVA™ Historian

Slope retrieval - initial and final values

  • Last UpdatedFeb 06, 2025
  • 1 minute read

An initial value is always generated. If a point is stored exactly at the query start time, the slope is returned as the slope between that point and the previous point. Otherwise, the slope is calculated using the slope of the points before and after the query start time.

A final value is always generated. If a point is stored exactly at the query end time, the slope is returned as the slope between that point and the previous point. Otherwise, the slope is calculated using the slope of the points before and after the query end time.

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