Experimental Physics and Industrial Control System
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Kay-Uwe Kasemir wrote:
Hi:
How does it get started, i.e. how does it know how to find properties
associated with the pvname?
I forgot the circumstances, but one point at the SLAC meeting
was that we might have to abandon the idea of "fred" == "fred.VAL".
If you want the default value, you'll have to use "fred.value"
in the new command-line 'caget' or the 'probe' GUI.
If you use "fred", you will get _all_ properties of fred.
It'll be consistent for the whole hierarchy:
In case "fred.limits" is a structure, "fred.limits" will get
all structure elements. "fred.limits.display.high" might drill
down to a structure element.
Yes. But maybe not quite exactly.
Have a look at the wiki page where Andrew describes the idea of Views.
For me, that's a really really promising way to go. Grouping things in a
reasonable way, providing flat as well as deep structures, use of
parameters, there's a lot of good stuff in there. Gains attraction while
you think about it.
http://www.aps.anl.gov/epics/wiki/index.php/V4_Standard_Properties_and_Events#Views
Ralph
- References:
- dataAccess V4 Ca client propertyId questions Marty Kraimer
- Re: dataAccess V4 Ca client propertyId questions Kay-Uwe Kasemir
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ANJ, 02 Feb 2012 |
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