Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/09/10 11:43

From 91.1 to 90.1 From 97.1 to 96.1

From version 96.1

edited by sndueste
on 2025/05/19 17:06

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To version 91.1

edited by sndueste
on 2025/04/24 13:29

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@@ -116,17 +116,13 @@
  {{id name="DOOCSparameters"/}}
++Note, the HDF group and data set names apply to our HDF tree version since vers. 0.3.0.
++
  === FLASH1 ===
++==== Beamline info (FLASH1) ====
--In the Shutdown 2024 / 2025  the complete photon diagnostic and experiment control was renewed and thus the Doocs names and also some HDF5 names had to be changed. The new naming will be documented here as soon as the systems are online again.
--
--The previously used naming scheme (2024 and before) can be found here:
--
--{{expand expanded="false" title="FLASH1 Naming scheme used until 2024"}}
--==== (% id="cke_bm_8853497S" style="display:none" %) (%%)Beamline info (FLASH1) ====
--
  {{code language="none"}}/FL1/Beamlines/Attenuator/pressure{{/code}}
  //always saved (PBD)//
  DOOCS prop : {{code language="none"}}FLASH.FEL/GAS_DOSING/FL1.ATTENUATOR/PRESSURE{{/code}}
@@ -247,8 +247,8 @@
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
  //always saved (PBD)//
--(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
--(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
++(% style="color:#000000" %)DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
++(% style="color:#000000" %)DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
  desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator
  units : microJ
@@ -257,8 +257,8 @@
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
  //always saved (PBD)//
--(% style="color:#000000" %)DOOCS prop : (%%)
--(% style="color:#000000" %){{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}
++(% style="color:#000000" %)DOOCS prop :
++{{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}
  desc : Energy per pulse measured in the Tunnel.  In addition measurement errors and beam position are included for EACH pulse in the pulse train  !! (see below)
  units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision)** [[see here for help>>doc:FS-FLASH USER tmp.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
@@ -278,7 +278,8 @@
  The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this
  file
-- [[image:image2021-2-9_10-51-6.png]]
++
++[[image:attach:image2021-2-9_10-51-6.png||height="250"]]
  {{/info}}
@@ -470,8 +470,8 @@
  //always saved (PBD)//
  (% style="color:#172b4d" %)**FL1.SFELC**(%%)
--(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP(%%)
--(% style="color:#000000" %){{code language="none"}} DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE.SA1.COMPDAQ {{/code}}(% style="letter-spacing:0.0px" %)desc: Electron bunch arrival time measured  with the BAM  before the undulator (pulse resolved data). This one was newly installed in 2020.. The property contains only the arrival time of the bunches sent to FL1 (e.g. if there are 30 bunches in FL1 the first 30 values are the arrival time the remaining numbers still may have arbitrary numbers looking like a signal which they are not). These are the same values as the "raw" data below - just "cleaned". The values show a very good correlation to the arrival time  of the XUV pulses in the experiment (see help).
++(% style="color:#000000" %)channel: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)FL1.SFELC(% style="color:#000000" %)/ARRIVAL_TIME.ABSOLUTE.SA1.COMP
++{{code language="none"}} DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIME.ABSOLUTE.SA1.COMPDAQ {{/code}}(% style="letter-spacing:0.0px" %)desc: Electron bunch arrival time measured  with the BAM  before the undulator (pulse resolved data). This one was newly installed in 2020.. The property contains only the arrival time of the bunches sent to FL1 (e.g. if there are 30 bunches in FL1 the first 30 values are the arrival time the remaining numbers still may have arbitrary numbers looking like a signal which they are not). These are the same values as the "raw" data below - just "cleaned". The values show a very good correlation to the arrival time  of the XUV pulses in the experiment (see help).
  units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
@@ -549,23 +549,20 @@
  [[Contents>>doc:||anchor="Contents"]]
--====   ====
--
--
  ==== Timing information, rep rate etc.  (FLASH1) ====
  ===== bunch repetition rate =====
--{{code language="none"}}/Timing/repetition rate{{/code}}
++{{code language="none"}}/FL1/Timing/repetition rate{{/code}}
  //always saved (PBD)//
  DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.1{{/code}}
--DAQ channel: {{code language="none"}}FLASH.DIAG/TIMER/FLASHCPUTIME1.0/REP_RATE_KHZ.1{{/code}}
++DAQ channel: {{code language="none"}}TTF2.UTIL/LASER.CONTROL/GUN/PULSE_FREQ{{/code}}
  desc: repetition rate of the bunches / pulses within the burst (FLASH1)
  units: kHz
  ===== set number of pulses =====
--(% style="color:#ff6600" %)(HDF5 name not yet implemented - see zraw)(% style="color:#ff0000" %){{code language="none"}}/Timing/set number of bunches {{/code}}(%%)
++(% style="color:#ff6600" %)(HDF5 name not yet implemented - see zraw)(% style="color:#ff0000" %){{code language="none"}}/FL1/Timing/set number of bunches {{/code}}(%%)
  //always saved (PBD)//
  DOOCS prop : {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1 [4th number]{{/code}}
  DAQ channel: {{code language="none"}}FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1 [4th number]{{/code}}
@@ -612,7 +612,7 @@
  currently it is saved as Unix time in : /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time
--{{expand expanded="false" title="Timestamp help for python"}}
++{{expand title="Timestamp help for python" expanded="false"}}
   import time
  # epoch time is found in  /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time  #!!! a leading 1 has to be added !!!
@@ -623,9 +623,12 @@
  print(formatted_time)
  {{/expand}}
++|(((
++
++)))
++[[Contents>>doc:||anchor="Contents"]]
--
  ==== Pump Probe Laser (FLASH1) ====
  **PIGLET (PG laser)**
@@ -741,9 +741,10 @@
  * {{code language="none"}}number of samples{{/code}}: total number of samples recorded for each 10 Hz trigger
  [[Contents>>doc:||anchor="Contents"]]
--{{/expand}}
++
++
  === FLASH2 ===
  There is analog to FLASH1 a permanently running "PhotonDagnostic DAQ FLASH2" (PBD2) and 2 User DAQs
@@ -1121,10 +1121,10 @@
  desc: Each 10 Hz burst has its unique train ID. For the HDF5 dataset the ID is the same for all parameters with the same index (note camera images may be shifted by 1 ID - talk to the experts !)
  units:
--===== (% style="color:#e67e22" %)Train time(%%) =====
++===== Train time =====
--(% style="color:#e67e22" %)//always saved (PBD2)//(%%)
--(% style="color:#e67e22" %){{code language="none"}}/Timing/train time{{/code}}
++//always saved (PBD2)//
++{{code language="none"}}/Timing/train time{{/code}}
  desc:Local time as array of day, hour, minute, second, and centisecond. This dataset is meant for visualisation purposes only. For correlations use the train ID or the Unix time of the time stamp
  units: d h min s cs
@@ -1132,28 +1132,11 @@
  /Timing/time stamp
  {{/code}}
--(% style="color:#e67e22" %)//always saved (PBD2)//(%%)
--(% style="color:#e67e22" %)desc: first column: Local time in unix time. To get day, hour, minute, second you can use unix: e.g. date ~-~-date='@1553617729' or matlab, python etc
++//always saved (PBD2)//
++desc: first column: Local time in unix time. To get day, hour, minute, second you can use unix: e.g. date ~-~-date='@1553617729' or matlab, python etc
  second column: microseconds
  third column: Train ID of FLASH
--
--(% id="cke_bm_2455529S" style="display:none" %) (%%)currently it is saved as Unix time in : /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time
--
--{{expand expanded="false" title="Timestamp help for python"}}
-- import time
--
--# epoch time is found in  /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time  #!!! a leading 1 has to be added !!!
--# The time and date of the start of the data taking in the HDF file is encoded in the filename - to roughly check the time
--epoch_time = 1709051499.17  # Replace with your epoch time
--
--formatted_time = time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(epoch_time))
--print(formatted_time)
--{{/expand}}
--
--
--
--
  [[Contents>>doc:||anchor="Contents"]]

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