Retrieve derivative of data stream real time

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BiancaSan93
Posts: 26
Joined: 25 Apr 2017, 17:26

Retrieve derivative of data stream real time

Post by BiancaSan93 » 12 Jan 2019, 20:35

Hi,

Using the graph object, I am computing the derivative of the data stream plotted during the simulation. How can i retrieve that value (i.e., after performing derivative on the signal) at each step in a script? I figured sim.handleGraph would do the trick but I don't understand where the result is stored, seems just a flag for succesful operation.
Thanks

coppelia
Site Admin
Posts: 7080
Joined: 14 Dec 2012, 00:25

Re: Retrieve derivative of data stream real time

Post by coppelia » 16 Jan 2019, 08:24

Hello,

you can't directly extract computed values in a graph. You can only copy a curve to the clipboard or export a graph.
The best would be to compute that derivative yourself, inside of a child script.

Cheers

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