 16 Sep 2019, Stefan Ritt, Info, New history plot facility
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> Also the new system is still incomplete, i.e. there is no trivial way to save a history plot into a file:
That has been implemented in meantime. Just click on the download arrow and you can save the current window in CSV or PNG format.
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26 Sep 2019, Stefan Ritt, Forum, Open a hotlink to a single element in an ODB array
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[quote="Pintaudi Giorgio"]Hello!
Just a little question about the ODB hotlinks. Is it possible to open a hotlink
to a single element in and ODB array?[/quote]
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06 Oct 2019, Stefan Ritt, Bug Report, History data size mismatch
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I wonder why do you this via ODB links. The "standard" way of writing to the history should be to create events for an equipment and flag this equipment
as being written to the
history. All variables under /Equipment/<name>/Variables then automatically go into the history and you don't have to worry about ODB links. Only variables |
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10 Oct 2019, Stefan Ritt, Bug Report, History data size mismatch
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> Yes, we could have
> kept that apart, yes, in this case a double would also work (and not break things), but a bug is a bug...
> I could think of senisble use cases where doubles and ints are mixed and I also know quite a few areas where it makes
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14 Oct 2019, Stefan Ritt, Bug Report, lazylogger in cmake & max_event_size 
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> > The compile option -DHAVE_FTPLIB checked in mdsupport.cxx disappeared if you
> > compile with cmake.
>
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15 Oct 2019, Stefan Ritt, Suggestion, recover daq and hardware safety.
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There is a not-so-well-known function in the ODB to write protect some keys. You can do
odbedit> chmod 1 /Equipment/HV/Demand
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15 Nov 2019, Stefan Ritt, Suggestion, javascript comunication
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Very good idea. And thanks for finding the document.hidden solution. I put it in, so give it a try.
Best,
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18 Nov 2019, Stefan Ritt, Suggestion, javascript comunication
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> Hi, Stefan - I did not look at your code, if all midas tabs are inactive, will the alarm sound still play?
Nope. All updates are done in mhhtpd_refresh(), and I changed it such that nothing is updated if hidden.
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18 Nov 2019, Stefan Ritt, Suggestion, javascript comunication
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> a) google chrome slows down the execution of javascript in inactive tabs, leading to trouble
> with memory management - midas pages poll at 1/sec, each poll allocates memory for processing RPC messages,
> and (until recently) allocates memory for new DOM objects to update the web page - but the garbage collector
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28 Nov 2019, Stefan Ritt, Bug Report, midas alarm sound unreliable in google-chrome
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The document
https://docs.google.com/document/d/1_278v_plodvgtXSgnEJ0yjZJLg14Ogf-ekAFNymAJoU/edit
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14 Jan 2020, Stefan Ritt, Forum, frontend issues with midas-2019-09
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We updated midas/examples/experiment/frontend.cxx to correctly contain
/*-- Interrupt configuration ---------------------------------------*/
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14 Jan 2020, Stefan Ritt, Forum, frontend issues with midas-2019-09
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Actually now I see that
a4) poll_event() and interrupt_configure() have "source" as "int[]" instead of "int" (why did this work before?)
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14 Jan 2020, Stefan Ritt, Forum, cmake complie issues
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Thanks for tracing the problem further down. Now I realized that the CMakeLists.txt for the ROOT analyzer did not contain the usual ROOT flags. I added
that and committed the change, so please try again. Here is the diff:
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14 Jan 2020, Stefan Ritt, Forum, cmake complie issues
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> In the past, one could use "make -k" to get past the errors caused by ROOT, everything will
> get built and installed, except for the code that failed to build.
>
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17 Jan 2020, Stefan Ritt, Forum, cmake complie issues, Fedora 31 ROOT?
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> > In any case, we are setup for an eventual collision between MIDAS CFLAGS (-std=gnu++11) and ROOT CFLAGS (-std=something else).
>
> Are there good reasons to not compile MIDAS with set(CMAKE_CXX_STANDARD 14)? So far this was an easier "fix" for me than to recompile ROOT with c++11.
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23 Jan 2020, Stefan Ritt, Bug Report, get an open ssl error while trying to compile Midas
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I tried on my Mac (macOS 10.14.6, Xcode 11.3.1, current develop branch, openssl 1.1.1d) and it woks fine. Below is the transcript. I
see that your cmake output is much shorter (no C compiler listed etc.). Did you remove some lines? For such comparisons, it's
always good to start with an empty build directory.
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03 Feb 2020, Stefan Ritt, Info, Force triggering of idle routine of a frontend
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It is important to note that slow control readout and sending of midas events are two separate things. Readout is done as fast as possible, even multi-threaded
if selected. On fast devices this can be 100 Hz readout rate and even more. This data is stored in an internal buffer. When one of the values changes by
more than the update threshold, then the ODB gets updated. The midas events are composed from this internal buffer when a new event has to be sent. This |
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03 Feb 2020, Stefan Ritt, Bug Report, Compiling Midas in OS 10.15 Catalina
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> > I have updated our daq computer to the latest OS 10.15 ...
>
> FWIW, I do not have macos 10.15. I have 10.13 at home and 10.14 in the office. Maybe Stefan has it?
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07 Feb 2020, Stefan Ritt, Info, Force triggering of idle routine of a frontend
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Dear Giorgio,
ok, now I'm slowly getting your point.
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09 Feb 2020, Stefan Ritt, Info, Force triggering of idle routine of a frontend
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You dirty hacks will probably work, but what you REALLY want is to read out your HV always as fast as possible, not only during run transitions or ramping.
We had a case where a detector produced electrostatic discharges which only lasted for a second or so, and we were happy to detect this in spikes in the
HV current. With measurements of only one per minute we would not have realized that so quicky.
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