AmountLagQuery
This is a function of the LagCorrectedQuery class.
Description
This sets up the source of lag for the query. In this case, the query will usually return a single point, which is usually some form of counter or totaliser.
Parameters
| Parameter | Type | Meaning |
|---|---|---|
| name | string | The name of the index in the final data-frame returned by Execute |
| query | string | An AQL query that returns a single analogue channel of data |
Returns
Nothing
Usage
The name normally describes what the point (returned from running the query) represents.
If the point is a odometer (reading distance), the name could be 'meters' or 'distance'.
If the point is a flowmeter, the name could me 'litres' or 'gallons'.