Richard Warp

This may seem an obvious one, but I need to report on and trigger from a rapidly changing float every time it (only) rises above a certain threshold from 0 value (max value 1) within a certain time. can I use thresh or peak or quickthresh or line or something like that?

This may seem an obvious one, but I need to report on and trigger from a rapidly changing float every time it (only) rises above a certain threshold from 0 value (max value 1) within a certain time.  can I use thresh or peak or quickthresh or line or something like that?


timed-threshold

Not sure I've got a handle on this completely, but I'd try something like...

- start a timer when your signal drops below the threshold (or hits zero, etc.)

- stop the timer when your signal rises above the threshold

- evaluate the elapsed time and act if it's short enough.

Almost every time I play with data and thresholds I go in search of Eric Singer's(?) hysteresis object. You might find it helpful, too.

- start a timer when your signal drops below the threshold (or hits zero, etc.)
- stop the timer when your signal rises above the threshold
- evaluate the elapsed time and act if it's short enough.

> This may seem an obvious one, but I need to report on and trigger

> from a rapidly changing float every time it (only) rises above a

> certain threshold from 0 value (max value 1) within a certain time.

> can I use thresh or peak or quickthresh or line or something like

Richard Warp wrote:
> This may seem an obvious one, but I need to report on and trigger
> from a rapidly changing float every time it (only) rises above a
> certain threshold from 0 value (max value 1) within a certain time.
> can I use thresh or peak or quickthresh or line or something like
> that?

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Stefan Tiedje------------x-------
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timed threshold