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--- samplestream:lcq_addquery [2024/04/24 02:42]
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+++ samplestream:lcq_addquery [2024/04/24 02:56] (current)
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@@ Line 19: / Line 19: @@
 ===Usage===
-You normally add a single query for each different level of lag in your system.
+You normally add a single query for each different //level of lag// in your system.
-For example, **Machine A** is 100m away, so you query all of the points for that machine in a query with //lag// set to 100.
+This normally translates into having a distinct query for each asset - but there may be times when some assets are part of the same system and share the same amount of lag.
-**Machine B** is 50m away, so you add a query for that machine with a lag of 50.
+For example, **Machine D** is at the end of the line - we add a query for the properties on that asset, but it doesn't need any value for //lag//.
-**Machine C** is at the end of the line - you don't add a lag at all.
+**Machine C** is 50m away, so we create a query specifically for it with a //lag// of 50.
-Since you usually [[building backwards|build these queries backwards]], there's often either **no lag** or only a **small amount of lag** from the [[end asset|end asset]] found at the end of your process line.
+**Machine A** and **Machine B** are 100m away, so you query all of the points for both of those machines in a single query, with //lag// set to 100.
 ===Choosing a Lag===
+Since you usually [[building backwards|build these queries backwards]], there's often either **no lag** or only a **small amount of lag** from the [[end asset|end asset]] found at the end of your process line. Your lag value increases as you get close to the 'start' of the process.
 The lag you choose for each query should be the [[distance|distance]] between that asset and your
 [[end asset|end asset]].

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