To find all indices in a signal where a specific value is reached one can use the FPScript function [b]ValuesInInterval()[/b] using this value for both the lower and the upper limit. Using [b]EVENT_EXTRACT[/b] for [i]Operation[/i] yields a signal with the specified value for the y component. Choosing the x component of the result gives all the desired x positions.
The number of points in a signal can be obtained using the [b]NumberOfRows()[/b] function. If the signal contains a (stationary) periodic waveform one can estimatethe period using the function [b]Period()[/b].
Clipping a signal for an interval in x can be done with the value index operator, e.g. [b]sig[[1.2 s, 3.3 s]][/b] cuts out the values for x from nearest to 1.2 s to approximately 3.3 s.
