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Merging Traces into One Family

svnoosha

When running parametric analysis, the output waveforms are plotted as a family of curves. It is then possible to send the entire family of curves to the calculator and perform the same operation on all of them. If I have a set of traces that are not part of one family, is there a way I can send them all to the calculator at once instead of having to perform operations on each one individually?

Thanks,

Samir

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  • Andrew Beckett

    Hi Samir,

    The code in this article on support.cadence.com does what you want. Unfortunately the UI part doesn't work properly currently - you're supposed to be able to specify the number of waveforms on the stack to use. That's been broken for a while (I have a CCR for this), but to be honest I'd sooner this moved to the newer calculator template capability that was introduced in the IC617 release. That doesn't yet support a variable number of waveforms (I have a request for that too), so for now you'd have to type in the expression:

    abGroup(VT("/OUTM") VT("/OUTP") VT("/INM") VT("/INP"))

    which will convert the four (or however many) waveforms into a family (or fix the expression after using the abGroup function in the calculator panel having registered it).

    Regards,

    Andrew.

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