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<== Date ==> <== Thread ==>

Subject: XYgraph pv_name
From: Amien Crombie <[email protected]>
To: EPICS Tech-Talk <[email protected]>
Date: Wed, 2 Aug 2017 13:21:40 +0200

Hi


I have a script as follows:

link = display.getWidget("linko")
child = link.getChild("xgraph")    # get the xygraph on linko

# here I get the 2 PV's i passed to the script

val= PVUtil.getString(pvs[0])   # this PV is used to switch to the desired opi
dal= PVUtil.getString(pvs[1])   # this is the PV i need

if val=="1.0":
    child.setPropertyValue("pv_name", dal)   # here the correct PV is displayed
    child.setPropertyValue("title",dal)

else:

    # do nothing


So when I call the script, everything works except the xygraph displays no trace. If I do a "PV info" when CSS is running on the graph, it actually shows the graph values.

It looks like the xygraph is not updating the trace at all.

Amien




Replies:
Re: XYgraph pv_name Kasemir, Kay

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