 24 Apr 2020, Pintaudi Giorgio, Forum, API to read MIDAS format file
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[quote="Stefan Ritt"]I guess all three options would work. I just tried mhist and it still works with the "FILE" history
mhist -e <equipment name> -v <variable name> -h 10
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03 May 2020, Pintaudi Giorgio, Forum, API to read MIDAS format file
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> The format of .hst midas history files is pretty simple and mhdump.cxx is an easy to read
> illustration on how to read it from basic principles (without going through the midas library,
> which can be somewhat complicated). The newer "FILE" format for history is even simpler
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04 May 2020, Pintaudi Giorgio, Forum, API to read MIDAS format file
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> (But note that back when I implemented the SQLITE history writer, sqlite database corruption
> recovery instructions were "delete the file, restore from backup". And indeed in every test
> experiment I tried, the sqlite history databases eventually corrupted themselves. You see
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20 May 2020, Pintaudi Giorgio, Info, New ODB++ API
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All this is very good news. I really wish this were available some months ago: it would have helped me immensely. The old C API was clunky at best.
I really like the idea and looking forward to using it (even if at the moment I do not have the need to) ... |
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26 May 2020, Pintaudi Giorgio, Forum, API to read MIDAS format file
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Eventually, I have settled for the SQLite format.
I could convert the MIDAS history files .hst to SQLite
database .sqlite3 using the utility mh2sql.
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04 Jun 2020, Pintaudi Giorgio, Forum, Template of slow control frontend 
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> I’m beginner of Midas, and trying to develop the slow control front-end with the latest Midas.
> I found the scfe.cxx in the “example”, but not enough to refer to write the front-end for my own devices
> because it contains only nulldevice and null bus driver case...
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14 Jan 2021, Pintaudi Giorgio, Forum, poll_event() is very slow.
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> Something must be wrong on your side. If you take the example frontend under
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> midas/examples/experiment/frontend.cxx
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 18 Feb 2021, Pintaudi Giorgio, Bug Report, Unexpected end-of-file
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Hello!
Sometimes when I mess around with the history plots I get the following error:
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18 Feb 2021, Pintaudi Giorgio, Bug Report, Unexpected end-of-file
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It appears that the issue is trigger by a nonexisting Event and Variable as shown
in the attached picture. This issue can arise when restoring the ODB from a
previous version or importing ODB values from other MIDAS instances.
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20 Nov 2003, Pierre-André Amaudruz, Konstantin Olchanski, , Revised MVMESTD
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Before we try to merge the different access scheme for the different VME hardware,
we present the "optimal" configuration for the VMIC setup. This is a first shot so take it
with caution.
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06 Jun 2003, Pierre-André Amaudruz, , Welcome
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Dear Midas users,
As you certainly aware, ELOG (Electronic Logbook) has been written
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12 Jun 2003, Pierre-André Amaudruz, , Tape handling
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- remove ss_tape_get_blockn from lazylogger.c
- add ss_tape_get_blockn to system.c
- add ss_tape_get_blockn prototype into midas.h
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02 Jul 2003, Pierre-André Amaudruz, , Midas/ROOT Analyser situation
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The current and future situation of the Midas analyzer is summarized in the
attachment below.
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19 Aug 2003, Pierre-André Amaudruz, , minor fixes, new tarball 1.9.3-1
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- add pthread lib to examples/... makefile
- fix ybos_simfe.c for max_event_size
- fix camacnul.c for cam_inhibit_test(), cam_interrupt_test()
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27 Aug 2003, Pierre-André Amaudruz, , Operation under 1.9.3 with the analyzer
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1) Prior upgrading midas to 1.9.3, make sure you've saved your ODB in ASCII
format using "odbedit> save my_odb.odb", as the internal structure is
incompatible with previous version. You will be able to restore it once
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02 Sep 2003, Pierre-André Amaudruz, , minor fix, window build
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- makefile.nt (/examples/experiment, /hbook)
adjusted for local hmana.obj build as for rmana.obj, add cvs tag for
revision comment entry.
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17 Nov 2003, Pierre-André Amaudruz, , Lazylogger application
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- Remove temporary "/Programs/Lazy" creation.
- Fix Rate calculation for Web display.
- Change FTP channel description (see help). |
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15 Dec 2003, Pierre-André Amaudruz, , ROOT GUI at Triumf
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The current Triumf DAQ standard (Midas) since the second quarter of this
year (2003) has the capability to deal with ROOT histograms. The internal
midas logger can save data files in ROOT format and the analyzer can book
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21 Jun 2004, Pierre-André Amaudruz, , FAQ: anonymous cvs access?
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> Is the midas CVS server set-up so that I can pull the newest
> version off the CVS server?
>
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12 Aug 2006, Pierre-André Amaudruz, Release, Midas updates
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Midas development:
Over the last 2 weeks (Jul26-Aug09), Stefan Ritt has been at Triumf for the "becoming" traditional Midas development 'brainstorming/hackathon' (every second |