EPICS CSS-4.5 : Display-Builder : getting widget's PV value

Experimental Physics and Industrial Control System

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Subject:	CSS-4.5 : Display-Builder : getting widget's PV value
From:	Amien Crombie <[email protected]>
To:	EPICS Tech-Talk <[email protected]>
Date:	Thu, 24 Aug 2017 10:54:49 +0200

My code :

1.     from org.csstudio.display.builder.runtime.script import PVUtil, ScriptUtil
2.     from org.csstudio.display.builder.model.properties import WidgetColor
3.   ss = ScriptUtil.findWidgetByName(widget, "ss_range")
4.     sx = ScriptUtil.findWidgetByName(widget, "rangeX")
5.     pv = ScriptUtil.getPrimaryPV(sx)
6.     pval = PVUtil.getDouble(pv)
7.     ss.setPropertyValue("text", str(pv) + " : " + str(pval))    ##

## 'pv' returns the right pv attached to my 'spinner'. This pv is passed via the script as '$(pv_name)'

## pval returns 'nan' although my 'spinner' displays the value (1 to 6) depending my last selected value

Thanks

Amien

Replies:: Re: CSS-4.5 : Display-Builder : getting widget's PV value Kasemir, Kay

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