Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/02/06 10:55
From version 85.8
edited by sndueste
on 2024/09/23 14:25
Change comment: There is no comment for this version
To version 88.4
edited by sndueste
on 2025/02/06 10:54
Change comment: There is no comment for this version

Summary

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1 +FLASHUSER.Data Acquisition and controls.DAQ and controls overview.Offline data analysis (DAQ).WebHome
Content
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99 99  * The currently developed option for large data sets: [[the FAB package>>url:https://hasfcpkg.desy.de/fab/fab.html||shape="rect"]] ... see below
100 100  * and for smaller projects:  (% class="Object" %)[[https:~~/~~/gitlab.desy.de/christopher.passow/flash-daq-hdf>>url:https://gitlab.desy.de/christopher.passow/flash-daq-hdf||shape="rect"]]
101 101  
102 -(% class="Object" %)See also the collection of Demo data and sample scripts : [[doc:FLASHUSER.Data Acquisition and controls.Data Access at FLASH (DAQ, gpfs,\.\.\.).Offline data analysis (DAQ).Collection of HDF5 sample data from different beamlines.WebHome]] and [[doc:FLASHUSER.Data Acquisition and controls.Data Access at FLASH (DAQ, gpfs,\.\.\.).Offline data analysis (DAQ).DEMO - Working with FLASH data.WebHome]]
102 +(% class="Object" %)See also the collection of Demo data and sample scripts : [[doc:FLASHUSER.Data Acquisition and controls.DAQ and controls overview.Offline data analysis (DAQ).Collection of HDF5 sample data from different beamlines.WebHome]] and [[doc:FLASHUSER.Data Acquisition and controls.DAQ and controls overview.Offline data analysis (DAQ).DEMO - Working with FLASH data.WebHome]]
103 103  {{/info}}
104 104  {{/layout-cell}}
105 105  {{/layout-section}}
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402 402  =====
403 403  arrival time (BAM) =====
404 404  
405 -{{info title="BAM information: updates 2022"}}
406 -* see: [[Info collection about the BAMs and how to use the BAM data>>url:https://confluence.desy.de/display/FLASHUSER/Info+collection+for+the+BAM||shape="rect"]]
405 +{{info title="BAM information: updates 2022 (status 2025"}}
406 +* see: [[Info collection about the BAMs and how to use the BAM data>>doc:FLASHUSER.jddd-linked help pages.Info collection for the BAM.WebHome||shape="rect"]]
407 407  * The data format of the BAM has been completely altered in the 2022 shutdown
408 408  * before 2022 BAMs were always saving the arrival time information for each 1µs bucked regardless if there were electrons in the accelerator or not. IN addition the arrival times for  FL1 and FL2 were saved in the same parameter ...
409 409  * THIS is now different. There are new parameters saving only the arrival times for pulses that go to FL1 and to FL2 (in detail: first time slot of the accelerator and second)
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411 411  ** acc:  4DBC3 → FL0.DBC2
412 412  ** FL1: 1SFELC →  FL1.SFELC
413 413  ** FL2: FL2XTDS → (% style="color:#172b4d" %)FL2.SEED5
414 -* for more Info: [[LINK to detailed infos from MSK>>url:https://confluence.desy.de/display/SDiagPublic/BAM+Data+Structure||shape="rect"]]
414 +* for more Info: [[LINK to detailed infos from MSK>>doc:SDiag.How-to articles.BAM Data Structure.WebHome||shape="rect"]]
415 415  * [[Link a collection of papers related to the BAM and the analysis of pump-probe experiments>>doc:FLASHUSER.Additional helpful things.FLASH beamlines and instruments references.WebHome]]
416 416  * a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
417 417  {{/info}}
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1050 1050  units: fs (bigger numbers (typically) indicate later arrival times of the electrons).
1051 1051  
1052 1052  
1053 -(% style="color:#172b4d" %)SEED5(% style="color:#ff6600" %)/error (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}(%%)
1054 -//always saved (PBD)//
1055 -(% style="color:#172b4d" %)**FL2.SEED5**(% style="color:#000000" %)E.bamError{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIM{{/code}}(%%)
1056 -(% style="color:#000000" %): FLASH.SDIAG/BAM/(% style="color:#172b4d" %)**FL2.SEED5**(% style="color:#000000" %)/ARRIVAL_TIME.BAMERROR{{code language="none"}}DAQ channel{{/code}}(%%)
1057 -desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
1058 -
1059 -
1060 -(% style="color:#172b4d" %)SEED5(% style="color:#ff6600" %)/status  (HDF5 name not yet implemented - see zraw){{code language="none"}}/FL2/Electron Diagnostic/BAM/{{/code}}(%%)
1061 -//always saved (PBD)//
1062 -(% style="color:#172b4d" %)**FL2.SEED5**(% style="color:#000000" %)E.bamStatus.//2//{{code language="none"}}DOOCS prop : FLASH.SDIAG/BAM//ARRIVAL_TIM{{/code}}(%%)
1063 -(% style="color:#000000" %)el: FLASH.SDIAG/BAM/(% style="color:#172b4d" %)**FL2.SEED5**(% style="color:#000000" %)/ARRIVAL_TIME.BAMSTATUS.2{{code language="none"}}DAQ chann{{/code}}(%%)
1064 -desc: status bit: 0 - data is valid; 1 - beam present; 2 - calibration ongoing; 3 - feedback enabled; 4 - feedback acting;  mostly check for bit 0 == 1 is sufficient
1065 -
1066 1066  FL2.SEED5/error (% style="color:#f39c12" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
1067 1067  //always saved (PBD)//
1068 1068  DOOCS prop : FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.bamError.2
1069 -DAQ channel: FLASH.SDIAG/BAM/FL0./ARRIVAL_TIME.BAMERROR.2
1056 +DAQ channel: FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.BAMERROR.2
1070 1070  desc: If the value is 0 , the BAM is working well. If it is non-zero there is a problem !!
1071 1071  
1072 -DBC2/status  (% style="color:#e67e22" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
1059 +FL2.SEED5/status  (% style="color:#e67e22" %)(HDF5 name not yet implemented - see zraw)(%%)/FL2/Electron Diagnostic/BAM/
1073 1073  //always saved (PBD)//
1074 -DOOCS prop : FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.bamStatus.//2//
1075 -DAQ channel: FLASH.SDIAG/BAM/FL0.DBC2/ARRIVAL_TIME.BAMSTATUS.2
1061 +DOOCS prop : FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.bamStatus.//2//
1062 +DAQ channel: FLASH.SDIAG/BAM/FL2.SEED5/ARRIVAL_TIME.BAMSTATUS.2
1076 1076  desc:  status bit: 0 - data is valid; 1 - beam present; 2 - calibration ongoing; 3 - feedback enabled; 4 - feedback acting;  mostly check for bit 0 == 1 is sufficient
1077 1077  
1078 1078  
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