Experimental Physics and Industrial Control System
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On 5/18/17 4:55 PM, Zelazny, Michael Stanley wrote:
Select the widget with left-mouse-click then middle-mouse-click and use Group and Ungroup.
________________________________________
From: [email protected] [[email protected]] on behalf of lzf neu [[email protected]]
Sent: Thursday, May 18, 2017 06:55
To: [email protected]
Subject: EDM questions
hi,
I have two questions to consult you:
1) I want to control a object ( a circle for example) visible or invisible by two PVs. Let me assume PVa and PVb :
if PVa=1 and PVb=1 then the visibility of the circle is invisible otherwise is visible.
I open the circle properties window and have no idea how to process two PV names in Visibility PV blank.
First off, I must point to the edm documentation for CALC\ and LOC\
variables.
https://ics-web.sns.ornl.gov/edm/eum.html#idp216560
To use logic to make a widget visible based on the values of two or
more PVs, you will need to use a CALC _expression_ in the visibility
PV field of the widget. The screenshot below uses two LOC\ PVs in
the calculation, you can replace these with real PVs.
CALC\{A&&B}(LOC\PVa,LOC\PVb) ---- -> If A is true and B
is true then CALC is true.
2) how to control a text update widget visible or invisible according to PV.
however, there is no Visibility PV blank to fill in in Text update properties window.
As Zelazny replied earlier, you need to create a group for the
widget you want to use visibility on. The group properties provide
the attributes for visibility.
Cheers,
Tim
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ANJ, 21 Dec 2017 |
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