Hi Peter,
You can use XY Graph widget in BOY. Set "Y PV" as your waveform PV and set "Concatenate Data" to false.
See /BOY Examples/Miscellaneous/ArraysOperation/PlotFirstNPointsExample.opi
Cheers,
Xihui
> -----Original Message-----
> From: Peter Milne [mailto:[email protected]] On Behalf Of Peter Milne
> Sent: Thursday, March 01, 2012 1:08 PM
> To: Tech-talk
> Cc: Chen, Xihui
> Subject: BOY FAQ: howto plot a live waveform record cartesian plot
>
> Hi Chen
>
> Is there an example of this?. In a recent demo, I'd success plotting a
> live scalar PV to a stripchart with CSS data browser, but no joy in
> getting a live waveform record to plot (refresh 1..10Hz, complete
> redraw
> each time, like a scope). Luckily for me the MEDM cartesian plot still
> worked fine, but I'd far prefer to have it all under CSS.
>
> If we have to create an an actual OPI/BOY display to do this, that
> would
> be OK too, but an example to copy would be helpful.
>
> Thanks
>
> Peter
>
> --
> Peter Milne [email protected]
> D-TACQ Solutions Ltd www.d-tacq.com
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