22 Nov 2023, Stefan Ritt, Forum, run number from an external (*SQL) db?
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> - multiple subdetectors are taking test data during early commissioning
> - a postgres db is a single sorce of run numbers.
> - test runs taken by different subsystems are assigned different [unique] run numbers and
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02 Dec 2023, Stefan Ritt, Forum, run number from an external (*SQL) db?
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> Stefan, I don't think we're talking 'mis-use' - rather different subdetectors being commisisoned
> at different locations, on an uncorrelated schedule, using independent run control (RC) instances.
> At this point in time, we can't use a common RC instance.
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02 Dec 2023, Stefan Ritt, Forum, MIDAS state machine : how to get around w/o 'configured' state?
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> The MIDAS state machine doesn't seem to have a state in between 'initialized' and
> 'running'.
> In a larger detectors with multiple subsystems, the DAQ systems often have one more state:
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04 Dec 2023, Stefan Ritt, Forum, run number from an external (*SQL) db?
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> - how does one communicate with an external shell script from MSL ? I looked at the MIDAS Sequencer page
>
> https://daq00.triumf.ca/MidasWiki/index.php/Sequencer
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04 Dec 2023, Stefan Ritt, Forum, run number from an external (*SQL) db?
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> [that was not obvious from the documentation on MIDAS wiki, and adding a couple of clarifying
> sentences there would go long ways]
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07 Dec 2023, Stefan Ritt, Info, Midas Holiday Update
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Dear beloved MIDAS users,
I'm happy to announce a "holiday update" for MIDAS. In countless hours, Zaher from
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10 Dec 2023, Stefan Ritt, Info, Midas Holiday Update
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> If I understand the msequencer code correctly:
> Under '/Sequencer/State/Path' the path can be defined from where the msequencer gets the files, generates the xml, etc.
> However, the new javascript code reads/writes the files to '<exp>/userfiles/sequencer/'
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10 Dec 2023, Stefan Ritt, Forum, history plotting: where to convert the ADC readings into temps/voltages?
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> to plot time dependencies of the monitored detector parameters, say, voltages or temperatures,
> one needs to convert the coresponging ADC readings into floats.
>
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11 Dec 2023, Stefan Ritt, Forum, the logic of handling history variables ? ![Screenshot_2023-12-12_at_09.03.13.png Screenshot_2023-12-12_at_09.03.13.png](attachment.png) ![Screenshot_2023-12-12_at_08.57.45.png Screenshot_2023-12-12_at_08.57.45.png](attachment.png) ![Screenshot_2023-12-12_at_08.55.14.png Screenshot_2023-12-12_at_08.55.14.png](attachment.png)
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First of all it's important to understand that the slow control system has nothing to do
with events. So if you look at event statistics, these are the events with the slow control
data sent to the midas data file, not the history database. So the logging period (the one you
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12 Dec 2023, Stefan Ritt, Info, Midas Holiday Update
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> > 3) Make /Sequencer/State/Path relative to <exp>/userfiles. Like if /Sequencer/State/Path=test would then result to a final directory <exp>/userfiles/sequencer/test
> >
> > I'm kind of tempted to go with 3), since this allows the experiment to define different subdirectories under <exp>/userfiles/sequencer/... depending |
13 Dec 2023, Stefan Ritt, Forum, the logic of handling history variables ?
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> Also, I think that having a sine wave displayed by midas/examples/slowcont/scfe.cxx
> would make this example even more helpful.
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15 Dec 2023, Stefan Ritt, Info, Implementation of custom scatter, histogram and color map plots
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Custom plots including scatter, histogram and color map plots have been
implemented. This lets you plot graphs of X/Y data or histogram data stored in the
ODB on a custom page. For some examples and documentation please go to
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03 Jan 2024, Stefan Ritt, Forum, midas.triumf.ca alias moved to daq00.triumf.ca
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> the DNS alias for midas.triumf.ca moved from old ladd00.triumf.ca to new
> daq00.triumf.ca. same as before it redirects to the MidasWiki and to the midas
> forum (elog) that moved from ladd00 to daq00 quite some time ago. if you see any
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03 Jan 2024, Stefan Ritt, Bug Report, Compilation error on RPi
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> > git pull
> > git submodule update
>
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11 Jan 2024, Stefan Ritt, Forum, slow control frontends - how much do they sleep and how often their drivers are called?
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Put a
ss_sleep(10);
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12 Jan 2024, Stefan Ritt, Forum, slow control frontends - how much do they sleep and how often their drivers are called?
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> Hi Stefan, thanks a lot !
>
> I just thought that for the EQ_SLOW type equipment calls to sleep() could be hidden in mfe.cxx
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16 Jan 2024, Stefan Ritt, Forum, a scroll option for "add history variables" window?
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Have you updated to the current midas version? This issue has been fixed a while ago. Below
you see a screenshot of a long list scrolled all the way to the bottom.
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17 Jan 2024, Stefan Ritt, Bug Report, mhttpd eqtable
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> 1) In the attached snapshot you see that the values shown from our vacuum Pirani and Penning cells are all zero, which of course is not true.
> It would be nice to have under the equipment settings some formatting options, like the possibility to add units.
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18 Jan 2024, Stefan Ritt, Forum, History tags
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This part of the system has been designed by KO, so he should reply here.
Stefan |
18 Jan 2024, Stefan Ritt, Forum, mhttpd eqtable
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I fixed both in the current version, so please give it a try.
Stefan |