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Setting the X/Y Variable When Creating a Waveform

BrJWr

I'm trying to create a data mask to add to a return loss plot.  The return loss plot shows up in db20 vs frequency. When I create a waveform I do something like

Xv = drCreateVec('double nil)
Yv = drCreateVec('double nil)
drAddElem( Xv 0.05e9)
drAddElem( Yv -10)
drAddElem( Xv 1.2499e9)
drAddElem( Yv -10)

Wv = drCreateEmptyWaveform()

drPutWaveformXVec(Wv Xv)
drPutWaveformYVec(Wv Yv)

I then try and the plot(Wv). The new waveform will not plot in the same window as my original data (nor can I cut-n-paste it into the window).  It seems like I need a method to tell the tool that my new waveform is in db for the Yvec and freq for the Xvec.

How can I get Viva to plot this in the current window that was created by plotting db20 vs freq ?

Thanks

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  • BrJaWr
    Thanks, using the xv->units = "Hz" and yv->units="dB" worked great.
Reply
  • BrJaWr
    Thanks, using the xv->units = "Hz" and yv->units="dB" worked great.
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