mapper.delta
mapper
Since v1.0.11
Available on all platforms
See also
This mapper function computes the delta between the last and first values (delta = last - first) of each sliding window. The location and elevation returned are those associated with the most recent value in the sliding window.
The mapper.delta function can only be applied to values of type LONG or DOUBLE, when applied to STRING or BOOLEAN it does
not return any value.