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Event viewers » History » Version 27

Jonathan Asaadi, 12/20/2017 09:48 AM

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{{toc}}
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h1. +Instructions on how to use the auto-updating event viewer+
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Log onto the %{background:lightgreen}@lariatgpvmXX.fnal.gov@% machine (where XX is a number between 01 and 04) as user lariat.
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<pre>
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ssh -X lariat@lariatgpvm01.fnal.gov
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</pre>
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If you are not running from the ROC-west control room or the VNC, you may log in as yourself.
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There is a script to setup and run the auto-updating event viewer *for LArIAT* which can be run 
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<pre>
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cd /lariat/app/users/EventViewer/
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source SETUP_ONLINE_EVENTVIEWER.sh
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</pre>
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and should load an event viewer that looks like
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!{width: 25%}R8518_192_38.png!
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For the *%{background:lightgreen}PixLAr display%*, with an updated mapping, use this script:
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<pre>
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cd /lariat/app/users/cadams/pixlar/
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source SETUP_ONLINE_EVENTVIEWER.sh
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</pre>
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!{width: 25%}PixLArDisplay.png!
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In case you run into the following error:
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<pre>lost connection
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Permission denied (gssapi-keyex,gssapi-with-mic)</pre>
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Use the command *@kticket@* to pick up a fresh kerberos ticket with the special lariat principal (do not use your personal principal). Check for this success with @klist@. Then log back in to lariat@lariatgpvm01.fnal.gov and launch the event viewer as above.
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---
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{{toc}}
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h1. More on the event viewer
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h2. If a new release of the event viewer needs to be installed
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Detailed instructions to pull LArLite (fmwk) and EventViewer (Code):
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<pre>
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source /grid/fermiapp/lariat/setup_lariat.sh
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setup lariatsoft v01_00_07 -q e6:prof
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cd /lariat/app/users/EventViewer/
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git clone http://github.com/larlight/larlite LArLite
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cd LArLite/
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git checkout trunk
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source config/setup.sh
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make
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cd UserDev
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git clone https://github.com/coreyjadams/EventViewer.git
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cd EventViewer/
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source setup_evd.sh
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source /lariat/app/users/jasaadi/pystack/setup_pyqt4.sh
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make
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</pre>
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h2. To load a specific run/spill file
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<pre>
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lariatdaq.py /lariat/data/users/lariatdqm/dqm/dqm_run_[RUN]_spill_[SPILL].root
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</pre>
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with the naming convention @dqm_run_[RUN]_spill_[SPILL].root@ where @[RUN]@ is the 6-digit run number with leading zeros and @[SPILL]@ is the 4-digit spill number with leading zeros. For example, the file for run 666 and spill 3 is @dqm_run_000666_spill_0003.root@.
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h2. To load the auto-updating feature
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There exists a text file that is updated by Johnny's DQM code and lives at @/lariat/data/users/lariatdqm/EventViewer/latest_dqm_file_path.txt@. To load this feature use the command
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<pre>
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lariatdaq.py /lariat/data/users/lariatdqm/EventViewer/latest_dqm_file_path.txt
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</pre>
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h2. In order to stop the auto updating feature 
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Click the %{color:red}Stop Run% button and it should change to %{color:red}Start Run%
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!{width: 25%}StopRun.png!
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h2. More features of the event viewer
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You can also view the raw wave forms from the wire information by clicking "Wire Drawing" box and then clicking around on the screen, the numbers in the lower left hand side tell you what wire number and time tick you are currently mousing over
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!{width: 25%}WireDrawing.png!
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You can also save an screen capture by clicking the "Capture Screen" button on the lower right hand side 
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!{width: 25%}ScreenCapture.png!
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h1. More Event Viewers
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Instructions on how to use the static event and waveform viewers
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Log into the  %{background:lightgreen}@lariat-gateway.fnal.gov@% machine with the %{background:lightgreen}@lariat@% account.
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<pre>
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ssh -Y lariat-gateway.fnal.gov -l lariat
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</pre>
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Set up the environment for the DQM:
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<pre>
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source ~johnnyho/setup_dqm
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</pre>
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We have a directory set up that the DQM files are being written into:
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<pre>
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/lariat/data/users/lariatdqm/dqm-v2/files/**/**/
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</pre>
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with the naming convention @dqm_run_[RUN]_spill_[SPILL].root@ where @[RUN]@ is the 6-digit run number with leading zeros and @[SPILL]@ is the 4-digit spill number with leading zeros. For example, the file for run 666 and spill 3 is @dqm_run_000666_spill_0003.root@.
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The event viewer scripts are located in the following directory:
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<pre>
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~lariat/dqm
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</pre>
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These are the scripts for viewing the TPC readout and the waveforms from the V1751:
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<pre>
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python evd/evd.py /lariat/data/users/lariatdqm/dqm-v2/files/dqm_run_[RUN]_spill_[SPILL].root               # for plotting the 2D TPC views of the collection and induction planes with adjustable color bars and wire view
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python v1740_readout.py /lariat/data/users/lariatdqm/dqm/dqm_run_[RUN]_spill_[SPILL].root         # for plotting the waveforms of the TPC events
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python plot_v1751_waveforms.py /lariat/data/users/lariatdqm/dqm/dqm_run_[RUN]_spill_[SPILL].root  # for plotting waveforms from each channel of V1751 boards
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</pre>
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Plots can be saved using the display interface (see attached file). Unfortunately, the save function can only save files to the @lariat-gateway@ machine (because you are running the plot maker on @lariat-gateway@), so you'll have to @scp@ the plots from @lariat-gateway@ to the machine you are using. Taking a screenshot of the plot window will also work. *Please resize or maximize the plot window for all the tick labels to be displayed correctly.*
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@evd/evd.py@:
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!{width: 100%}evd-latest.png!
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!{width: 100%}evd.png!