Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/02/06 10:55

From 18.1 to 17.1 From 39.1 to 38.1

From version 38.1

edited by sndueste
on 2021/02/09 10:51

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To version 18.1

edited by sndueste
on 2019/09/18 10:09

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@@ -8,9 +8,9 @@
  == General information about HDF5 ==
--HDF5 is a data format maintained by the HDF group. For detailed general information see [[here~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:https://portal.hdfgroup.org/display/support||shape="rect"]]
++HDF5 is a data format maintained by the HDF group. For detailed general information see [[here~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:https://www.hdfgroup.org/HDF5/||shape="rect"]]
--To download the HDF5 Viewer click [[here~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:https://portal.hdfgroup.org/display/support/Download+HDFView||shape="rect"]]
++To download the HDF5 Viewer click [[here~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:https://support.hdfgroup.org/products/java/hdfview/index.html||shape="rect"]]
  For use on the DESY Maxwell or PAL (max-fsc or pal) **hdfview** is available in the xray module :
  {{code language="none"}}> module load xray{{/code}}
@@ -18,9 +18,9 @@
  [[Contents>>doc:||anchor="Contents"]]
--== The current FLASH HDF5 structure ==
++== FLASH HDF5 structure ==
--The photon diagnostic, electron diagnostic and beamline information as well as the information about the pump-probe laser and the infrastructure offered for users (GHz/MHz ADCs) can be included in one HDF5 file which is organized according to train IDs. The general structure is:
++The photon diagnostic, electron diagnostic and beamline information as well as the information about the pump-probe laser and the infrastructure offered for users (GHz/MHz ADCs) can be included in one HDF5 file which is organised according to train IDs. The general structure is:
  * Electron Diagnostic
  * Photon Diagnostics
@@ -27,45 +27,17 @@
  * Beamlines
  * Experiment
  * Timing
--[[image:attach:HDF5_structure.jpg||height="400"]]
++[[~[~[image:url:http://hasfweb.desy.de/pub/Setup/HDF5main/HDF5_structure.jpg~|~|alt="HDF5_structure.jpg" width="700" height="500"~]~]>>attach:HDF5_structure.jpg]]
--A detailed description of (most) channels can be found in the lower part of the hdf5 viewer:
--[[image:attach:HDF5_structure_desc.jpg||thumbnail="true" height="250"]]
++A detailled description of (most) channels can be found in the lower part of the hdf5 viewer:
++[[~[~[image:url:http://hasfweb.desy.de/pub/Setup/HDF5main/HDF5_structure_desc.jpg~|~|alt="HDF5_structure_desc.jpg" width="341" height="413"~]~]>>attach:HDF5_structure_desc.jpg]]
  [[Contents>>doc:||anchor="Contents"]]
  \\
--=== HDF5 example files ===
++== Most popular FLASH parameters and their names in HDF5, DOOCS and (raw) DAQ ==
--Here we have a few HDF5 samples (User data combined with Photon diagnostics data) from a few beamtimes showing the different kind options.
--
--[[image:attach:image2019-10-21_17-2-50.png||thumbnail="true" width="300"]]  [[download HDF5 (Images @ FL2)>>url:https://desycloud.desy.de/index.php/s/nyEgeCWJFC4gao2||shape="rect"]]
--
--\\
--
--[[~[~[image:attach:image2019-10-22_10-52-27.png~|~|thumbnail="true" width="300"~]~]download HDF5 (GHz ADC and OPIS @ FL2)>>url:https://desycloud.desy.de/index.php/s/AeA2kPNNnZgX95A||shape="rect"]]
--
--\\
--
--\\
--
--[[Contents>>doc:||anchor="Contents"]]
--
--\\
--
--== The new (starting 2021) HDF5 format ==
--
--Here is [[some documentation on the changes of the HDF5 format>>doc:FLASHUSER.HDF5 format]] that well be available in 2021 (work in progress)
--
--\\
--
--\\
--
--== Most popular FLASH parameters and their names in HDF5, DOOCS and (raw) DAQ  ==
--
--{{id name="DOOCSparameters"/}}
--
  The complete list for the relation between DOOCS names and HDF5 names for the recordable parameters can be found in [[DESY's Repository~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:https://stash.desy.de/projects/CS/repos/pah/browse/src/camp/data/channel2HdfName.dat||shape="rect"]].
  The most common and often used ones are summarized below:
@@ -107,7 +107,7 @@
  //always saved (PBD)//
  DOOCS prop : {{code language="none"}}TTF2.FEL/BLFILTERS1/FILTER1/FW.MOTOR.POS{{/code}}
  DAQ channel: {{code language="none"}}TTF2.FEL/BLFILTERS1/FILTER1/FW.MOTOR.POS{{/code}}
--desc: Position of the BL filter wheel 1 - to correlate with the filter material please look [[here>>doc:FLASHUSER.jddd-linked help pages.Filter-Units.Filter wheels in FLASH1 and FLASH2.WebHome]]
++desc: Position of the BL filter wheel 1 - to correlate with the filter material please look [[here>>doc:FLASH.Filter history (BL filterwheel 12)]]
  units: degree
  \\
@@ -115,7 +115,7 @@
  //always saved (PBD)//
  DOOCS prop : {{code language="none"}}TTF2.FEL/BLFILTERS2/FILTER2/FW.MOTOR.POS{{/code}}
  DAQ channel: {{code language="none"}}TTF2.FEL/BLFILTERS2/FILTER2/FW.MOTOR.POS{{/code}}
--desc: Position of the BL filter wheel 2 - to correlate with the filter material please look [[here>>doc:FLASHUSER.jddd-linked help pages.Filter-Units.Filter wheels in FLASH1 and FLASH2.WebHome]]
++desc: Position of the BL filter wheel 2 - to correlate with the filter material please look [[here>>doc:FLASH.Filter history (BL filterwheel 12)]]
  units: degree
  \\
@@ -145,7 +145,7 @@
  \\
--NOTE: Aperture positions in the beamline as well as the positions of the beam steering mirrors are also saved. For more Info contact your local contact
++NOTE: Aperture positions in the beamline as well as the positions of the beam steering mirrors are also saved. for more Info contact your local contact
  [[Contents>>doc:||anchor="Contents"]]
@@ -155,24 +155,17 @@
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
  //always saved (PBD)//
--(% style="color: rgb(165,173,186);" %)New MTCA Version: DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
--(% style="color: rgb(165,173,186);" %)New MTCA Version: DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
--
--(% style="color: rgb(0,0,0);" %)DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT04/VAL{{/code}} (%%)
--(% style="color: rgb(0,0,0);" %)DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENPULSEIC{{/code}}(%%)
--desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator (ion current)
++DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT04/VAL{{/code}}
++DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENPULSEIC{{/code}}
++desc : calibrated average SASE Energy/pulse measured in the TUNNEL before the attenuator (ion current)
  units : microJ
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
--//always saved (PBD)//
--
--(% style="color: rgb(193,199,208);" %)New MTCA Version: DOOCS prop :
--{{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}New MTCA Version: DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}
--
++//always saved (PBD)//
  DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT34/VAL{{/code}}
  DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENERGYPULSE.USER{{/code}}
  desc :Energy per pulse Tunnel (from e-) - the values are set to "0" if there was no SASE beam in the FEL
--units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) **[[see here for help>>doc:FLASHUSER.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
++units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FLASH.Calibrating the pulse resolved (electron) data from GMD]]
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel (raw){{/code}}
  //always saved (PBD)//
@@ -179,14 +179,10 @@
  DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT14/VAL{{/code}}
  DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENERGYPULSE.FF{{/code}}
  desc :Energy per pulse Tunnel (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
--units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) **[[see here for help>>doc:FLASHUSER.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
++units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FLASH.Calibrating the pulse resolved (electron) data from GMD]]
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy BDA{{/code}}
--//always saved (PBD)//
--
--(% style="color: rgb(165,173,186);" %)New MTCA Version: DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.BDA/PHOTONFLUX.UJ{{/code}} (%%)
--(% style="color: rgb(165,173,186);" %)New MTCA Version: DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.BDA/PHOTONFLUX.UJ{{/code}}
--
++//always saved (PBD)//
  DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT05/VAL{{/code}}
  DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENPULSEIC{{/code}}
  desc : calibrated average SASE Energy/pulse measured in the BDA (in the experimental hall) after the attenuator (ion current)
@@ -193,14 +193,11 @@
  units : microJ
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA{{/code}}
--//always saved (PBD)//
--
--(% style="color: rgb(193,199,208);" %)New MTCA Version: DOOCS prop :
--{{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.BDA/INTENSITY.TD{{/code}}New MTCA Version: DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.BDA/INTENSITY.TD{{/code}}(%%)
++//always saved (PBD)//
  DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT35/VAL{{/code}}
  DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.USER{{/code}}
  desc :Energy per pulse BDA (from e-) - the values are set to "0" if there was no SASE beam in the FEL
--units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) **[[see here for help>>doc:FLASHUSER.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
++units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FLASH.Calibrating the pulse resolved (electron) data from GMD]]
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA (raw){{/code}}
  //always saved (PBD)//
@@ -207,15 +207,13 @@
  DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT15/VAL{{/code}}
  DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.FF{{/code}}
  desc :Energy per pulse BDA (from e-) - uncorrected values. There are also values saved if there was no beam ... just background noise
--units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision)** [[see here for help>>doc:FLASHUSER.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
++units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FLASH.Calibrating the pulse resolved (electron) data from GMD]]
--\\
--
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA horizontal{{/code}}
  //always saved (PBD)//
  DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
  DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
--desc :Beam position of the photon Beam determined by the GMD (BDA, x=horizontal)
++desc :Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (BDA, x=horizontal)
  units : mm
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA vertical{{/code}}
@@ -222,7 +222,7 @@
  //always saved (PBD)//
  DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IY.POS{{/code}}
  DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IY.POS{{/code}}
--desc :Beam position of the photon Beam determined by the GMD (BDA, y=vertical)
++desc :Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (BDA, y=vertical)
  units : mm
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position tunnel horizontal{{/code}}
@@ -229,7 +229,7 @@
  //always saved (PBD)//
  DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IX.POS{{/code}}
  DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IX.POS{{/code}}
--desc :Beam position of the photon Beam determined by the GMD (TUNNEL, x=horizontal)
++desc :Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (TUNNEL, x=horizontal)
  units : mm
  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position tunnel vertical{{/code}}
@@ -236,7 +236,7 @@
  //always saved (PBD)//
  DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IY.POS{{/code}}
  DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.TUNNEL/IY.POS{{/code}}
--desc :Beam position of the photon Beam determined by the GMD (TUNNEL, y=vertical)
++desc :Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (TUNNEL, y=vertical)
  units : mm
  {{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength{{/code}}
@@ -322,25 +322,10 @@
  //always saved (PBD)//
  DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
  DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
--desc: Electron bunch arrival time measured with the BAM inside the accelerator - however shows a very good correlation to the arrivaltime  of the XUV pulses in the experiment (pulse resolved data).
--units: ps (bigger numbers indicate later arrivaltime of the electrons)
++desc: Electron bunch arrival time measured with the BAM (more or less) before the undulator (pulse resolved data)
++units: ps (bigger numbers indicate later arrivaltime of the electrons)
++note: besides the arivaltime from FLASH1 there is also the FLASH2/3 electron arrival time saved. [[LINK to detailled infos from MSK (may only work inside DESY network~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:http://www.desy.de/~~mbock/pages/BAM_daq_channel_descriptions.html||shape="rect"]] and to a recent  [[talk about the working principle of the BAM>>url:https://confluence.desy.de/download/attachments/134216957/BAM-basics_and_outlook-2018_DESY-template_16-9Format.pdf?version=1&modificationDate=1565162143328&api=v2||shape="rect"]]
--{{code language="none"}}/FL1/Electron Diagnostic/BAM/1SFELC/electron bunch arrival time (low charge){{/code}}
--//always saved (PBD)//
--DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/1SFELC/LOW_CHARGE_ARRIVAL_TIME{{/code}}
--DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/1SFELC.LOW_CHARGE_ARRIVAL_TIME{{/code}}
--desc: Electron bunch arrival time measured with the BAM  before the undulator (pulse resolved data). This one was newly installed in 2020.
--units: ps (bigger numbers indicate later arrivaltime of the electrons)
--
--{{info title="BAM hints"}}
--* besides the arrivaltime from FLASH1 there is also the FLASH2/3 electron arrival time saved.In case of doubt ask your local contact
--* [[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]]
--* [[LINK to detailed infos from MSK (may only work inside DESY network~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:http://www.desy.de/~~mbock/pages/BAM_daq_channel_descriptions.html||shape="rect"]]
--* a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
--{{/info}}
--
--\\
--
  ===== electron beam profile =====
  {{code language="none"}}/FL1/Electron Diagnostic/Electron bunch profile/TDS profile{{/code}}
@@ -600,13 +600,13 @@
  //always saved (PBD2)//
  DOOCS prop : {{code language="none"}}FLASH.FEL/FL20H.PH.MOTOR/MOTOR1.MOT3/FPOS{{/code}}
  DAQ channel: FLASH.FEL/FL20H.PH.MOTOR/MOTOR1.MOT3/FPOS
--desc: Position of the BL filter wheel 1 - to correlate with the filter material please look **[[here>>doc:FLASHUSER.jddd-linked help pages.Filter-Units.Filter wheels in FLASH1 and FLASH2.WebHome]]**
++desc: Position of the BL filter wheel 1 - to correlate with the filter material please look [[here>>doc:FLASH.Filter history (BL filterwheel 12)]]
  units: degree
  \\
  //always saved (PBD2)//
--\\\\**[[here>>doc:FLASHUSER.jddd-linked help pages.Filter-Units.Filter wheels in FLASH1 and FLASH2.WebHome]]**
++\\\\[[here>>doc:FLASH.Filter history (BL filterwheel 12)]]
  {{code language="none"}}/FL2/Beamlines/Filter wheel/position wheel 2  DOOCS prop : FLASH.FEL/FL20H.PH.MOTOR/MOTOR2.MOT3/FPOS DAQ channel: FLASH.FEL/FL20H.PH.MOTOR/MOTOR2.MOT3/FPOS desc: Position of the BL filter wheel 2 - to correlate with the filter material please look units: degree{{/code}}
  \\
@@ -630,32 +630,38 @@
  \\
++(% style="color: rgb(255,204,0);" %)average Sigma    to be included in
++
++(% style="color: rgb(193,199,208);" %){{code language="none"}}/FL2/Photon Diagnostic/GMD/Average energy/energy tunnel uncertainty{{/code}} (%%)
++(% style="color: rgb(193,199,208);" %)//always saved (PBD2)// (%%)
++(% style="color: rgb(193,199,208);" %)DOOCS prop : FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ.SIGMA (%%)
++(% style="color: rgb(193,199,208);" %)DAQ channel: FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ.SIGMA (%%)
++(% style="color: rgb(193,199,208);" %)desc :  This parameter gives an indication of the error of the measurement of the average pulse energy. This takes signal to noise,  detector resolution, uncertainties in crossection etc into account. (it is NOT the measurement of the statistical fluctuation of the SASE pulses)(%%)
++(% style="color: rgb(193,199,208);" %)units : microJ
++
++\\
++
++\\
++
  {{code language="none"}}/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
  //always saved (PBD2)//
  DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.TD{{/code}}
  DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.TD{{/code}}
--desc : Energy per pulse measured in the Tunnel  (in front of the gas attenuator and the apertures in the Hall) 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:FLASHUSER.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
++desc : Energy per pulse measured in the Tunnel  (in fromt of the gas attenuator and the apertures in the Hall)
++units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision) [[see here for help>>doc:FLASH.Calibrating the pulse resolved (electron) data from GMD]]
--For every pulse in the pulse train the information is saved:
--
++\\
--1. **Intensity per pulse** (a.u. (more or less µJ ))
--1. Intensity per pulse (auxillary GMD) - not used
--1. Position horizontal (mm, for a single pulse the position informytion may be very noisy  - talk to your local contact)
--1. Position vertical  (mm, for a single pulse the position informytion may be very noisy  - talk to your local contact)
--1. **Intensity per pulse sigma**  (a.u. (more or less µJ ), (% style="color: rgb(0,0,0);" %)This parameter gives an indication of the error of the measurement of the pulse energy. This takes signal to noise,  detector resolution, uncertainties in crossection etc into account. (it is NOT the measurement of the statistical fluctuation of the SASE pulses)(%%))
--1. Position horizontal sigma  (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
--1. Position vertical sigma  (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
--1. Combined warning and error flags
++\\
--The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this
--file
++{{code language="none"}}/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel uncertainty (sigma){{/code}}
++//always saved (PBD2)//
++DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL/INTENSITY.SIGMA.TD{{/code}}
++DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL:4{{/code}}
++desc :(% style="color: rgb(0,0,0);" %)This parameter gives an indication of the error of the measurement of the pulse energy. This takes signal to noise,  detector resolution, uncertainties in crossection etc into account. (it is NOT the measurement of the statistical fluctuation of the SASE pulses)(%%)
++units : a.u. (more or less µJ - related to the value of the pulse energy )
--
--[[image:attach:image2021-2-9_10-51-6.png||height="250"]]
--
  {{code language="none"}}{{/code}}
  All values for the GMD are also available for the** HALL GMD **which is located in the experimental hall down stream the gas attenuator. If the attenuator is on the ratio between Hall and Tunnel signal shows the attenuation. **BUT NOTE** that the filter unit and the Aperture 4 are downstream the GMD. So if filters and aperture are used this influence is NOT measured by the GMD hall !
@@ -670,7 +670,7 @@
  //always saved (PBD2)//
  DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS{{/code}}
  DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS{{/code}}
--desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the GMD (tunnel, x=horizontal)
++desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (tunnel, x=horizontal)
  units : mm
  \\
@@ -679,7 +679,7 @@
  //always saved (PBD2)//
  DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
  DAQ channel: {{code language="none"}}FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS{{/code}}
--desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the GMD (tunnel, x=horizontal)
++desc : the Average ( ~~ 20 sec averaging time ) Beam position of the photon Beam determined by the [[GMD>>doc:FLASH.Gas Monitor Detector]] (tunnel, x=horizontal)
  units : mm
  \\
@@ -699,7 +699,7 @@
  ==== Photon Diagnostics OPIS[[  >>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html||shape="rect"]](FLASH2) ====
--for more info see:** [[ OPIS>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html||shape="rect"]]**
++for more info see: [[ OPIS>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/opis_spectrometer/index_eng.html||shape="rect"]]
  (The OPIS hall is not installed yet ...)
@@ -776,30 +776,17 @@
  =====
  arrival time =====
--{{code language="none"}}/FL2/Electron Diagnostic/BAM/8FL2XTDS/electron bunch arrival time (low charge){{/code}}
--//always saved (PBD2)//
--DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/8FL2XTDS/LOW_CHARGE_ARRIVAL_TIME{{/code}}
--DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/8FL2XTDS.LOW_CHARGE_ARRIVAL_TIME{{/code}}
--desc: Electron bunch arrival time measured with the BAM after the FLASH2 undulator (pulse resolved data)
--units: ps (bigger numbers indicate later arrivaltime of the electrons)
--
  **FL1**{{code language="none"}}//Electron Diagnostic/BAM/4DBC3/electron bunch arrival time (low charge){{/code}}
  //always saved (PBD2)//
  DOOCS prop : {{code language="none"}}FLASH.SDIAG/BAM/4DBC3/LOW_CHARGE_ARRIVAL_TIME{{/code}}
  DAQ channel: {{code language="none"}}FLASH.SDIAG/BAM.DAQ/4DBC3.LOW_CHARGE_ARRIVAL_TIME{{/code}}
--desc: Electron bunch arrival time measured with the BAM  in the accelerator  (pulse resolved data)
++desc: Electron bunch arrival time measured with the BAM (more or less) before the undulator (pulse resolved data)
  units: ps (bigger numbers indicate later arrivaltime of the electrons)
--\\
++The BAM measures the arrivaltime of** FLASH 1 and FLASH2** in the same data set (thus also sorted in at /FL1/ !). The first values are for FLASH1 bunches.
++After a gap of about 70 micros ( 70 colums)  with  as entry for the switching between FLASH 1 and 2 the values for the electrons used in FLASH2 start.  The start time of FLASH2 is also recorded in the DAQ. FLASH1 start time is for historic reasons 700. thus if e.g. the start time of FLASH2 ( property name see below) is 1200 it means that FLASH starts at column 500 (1200-700) ...
--{{info title="BAM hints"}}
--* The BAM 4DBC3 measures the arrivaltime of** FLASH 1 and FLASH2** in the same data set (thus also sorted in at /FL1/ !).
--* The BAM 8FL2XTDS measures only for FLASH2 BUT has the same data structure as the other BAMS ... thus there are also (random) values in in the  FLASH1 time slot
--** Structure: The first values are for FLASH1 bunches. After a gap of about 70 micros ( 70 colums)  with  as entry for the switching between FLASH 1 and 2 the values for the electrons used in FLASH2 start.  The start time of FLASH2 is also recorded in the DAQ. FLASH1 start time is for historic reasons 700. thus if e.g. the start time of FLASH2 ( property name see below) is 1200 it means that FLASH starts at column 500 (1200-700) ... .In case of doubt ask your local contact
--* [[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]]
--* [[LINK to detailed infos from MSK (may only work inside DESY network~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:http://www.desy.de/~~mbock/pages/BAM_daq_channel_descriptions.html||shape="rect"]]
--* a recent  [[talk about the working principle of the BAM>>attach:BAM-basics and outlook-2018_DESY-template_16-9Format.pdf]]
--{{/info}}
++Docu for BAM:  [[LINK to detailled infos from MSK (may only work inside DESY network~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:http://www.desy.de/~~mbock/pages/BAM_daq_channel_descriptions.html||shape="rect"]] and to a recent  [[talk about the working principle of the BAM>>url:https://confluence.desy.de/download/attachments/134216957/BAM-basics_and_outlook-2018_DESY-template_16-9Format.pdf?version=1&modificationDate=1565162143328&api=v2||shape="rect"]]
  [[Contents>>doc:||anchor="Contents"]]
@@ -876,28 +876,32 @@
  \\
--==== User Data (FLASH2) ====
++==== User Data (FLASH1) ====
--The data saved specifically for detectors at an experiment will show up in /Experiment/ there is a large number of options for cameras or monitoring pslow properties (motor positons etc) for user experiments. For details please ask your local contact.
--
--NOTE: If parameters for an experiment are included on short notice the correct naming in the HDF5 may not be in time and the data will show up in /uncategorized/ with the DOOCS names
--
--The most common and permanently installed device used by experiment are our ADCs:
--
  ===== GHz ADCs =====
--ADC traces of the (SPDevices 412) GHZ ADCs available for the users . More information about the ADCs can be found** [[here>>doc:FLASHUSER.Data Acquisition and controls.Controls (DOOCS, jDDD,\.\.\.).MTCA ADCs.WebHome]]**
++ADC traces of the (SPDevices 412) GHZ ADCs available for the users . More information about the ADCs can be found [[here>>doc:FLASHUSER.Data Acquisition and controls.Controls (DOOCS, jDDD,\.\.\.).MTCA ADCs.WebHome]]
  //saved on DEMAND in the user DAQ//
--\\Up to now there are 4 channels available at FL24
--\\\\{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH00/TD{{/code}}
--{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH01/TD{{/code}}
--\\{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH02/TD{{/code}}{{code language="none"}}/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH03/TD{{/code}}
++\\The HDF5 names for the ADC traces are depending on the beamline :
++\\PG Beamline:
++{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH00/TD{{/code}}
++{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH01/TD{{/code}}
++{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH02/TD{{/code}}
++{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH03/TD{{/code}}
--\\
++BL Beamlines:
++{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH00/TD{{/code}}
++{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH01/TD{{/code}}
++{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH02/TD{{/code}}
++{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH03/TD{{/code}}
++\\{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH00/TD{{/code}}
++{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH01/TD{{/code}}
++\\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}}
++{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}}
--DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.FL2EXP1/FL2EXP1.CH00/CH00.TD  or CH00.DAQ.TD{{/code}}
++DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD  or CH00.DAQ.TD{{/code}}
  here the {{code language="none"}}CH00.TD{{/code}} is the full ADC trace as it is sampled ( typically several 100.000 samples per pulse train) while the {{code language="none"}}CH00.DAQ.TD{{/code}} trace only has the number of samples which are sent to the DAQ OR if //grouping// is activated the {{code language="none"}}CH00.DAQ.TD{{/code}} conatins only the grouped spectra. To read the ADC trace with an online analysis program the {{code language="none"}}CH00.DAQ.TD{{/code}} is used preferablly.
--DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.FL2EXP1/FL2EXP1.CH00{{/code}}
++DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00{{/code}}
  In addition there are also additional parameters saved like:
@@ -909,9 +909,9 @@
  ===== MHz ADCs =====
  similar to the GHz ADCs the MHz ADCs are saved with HDF5 names like:
--{{code language="none"}}/FL2/Experiment/MTCA-EXP1/SIS8300 100MHz ADC/CH2/TD{{/code}}
--DOOCS prop : FLASH.FEL/ADC.SIS.FL2EXP1/FL2EXP1.CH02/CH00.TD
--DAQ channel: : FLASH.FEL/ADC.SIS.FL2EXP1/FL2EXP1.CH02
++{{code language="none"}}/FL1/Experiment/BL1/SIS8300 100MHz ADC/CH2/TD{{/code}}
++DOOCS prop : FLASH.FEL/ADC.SIS.BL1/EXP1.CH02/CH00.TD
++DAQ channel: : FLASH.FEL/ADC.SIS.BL1/EXP1.CH02
  In addition there are also additional parameters saved like:
@@ -924,54 +924,207 @@
  \\
--==== Pump Probe Laser (FLASH2) ====
++\\
--There may be more information available from the "Laser DAQ". laese contact your Laser Local Contact.
--
--
--{{code language="none"}}/FL2/Experiment/Pump probe laser/FL24/attenuator position{{/code}}//always saved (PBD2)//
--DOOCS prop : {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
--DAQ channel: {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS{{/code}}
--desc: attenuation of the PPLaser in the FL24 hutch (rotation of a waveplate)
--units : deg.
--
  \\
--
--{{code language="none"}}/FL2/Experiment/Pump probe laser/FL24/polarization position{{/code}}//always saved (PBD2)//
--DOOCS prop : {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR2.FL24/FPOS{{/code}}
--DAQ channel: {{code language="none"}}FLASH.FEL/FLAPP2BEAMLINES/MOTOR2.FL24/FPOS{{/code}}
--desc: attenuation of the PPLaser in the FL24 hutch (rotation of a waveplate)
--units : deg.
--
  \\
--{{code language="none"}}/FL1/Experiment/Pump probe laser/laser delay readback{{/code}}
--//always saved (PBD2)//
--DOOCS prop : {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/FMC0.MD22.0.POSITION.RD{{/code}}
--DAQ channel: {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/FMC0.MD22.0.POSITION.RD{{/code}}
--desc: delay of the Pump probe laser - measured by the read back position of the motor. There is also the set value available ( upto now these values are only updating every 1-2 seconds. There is no fast encoder property as on FLASH1 available)
--units : ps )
--
  \\
--{{code language="none"}}/FL1/Experiment/Pump probe laser/Synchronization/timing jitter RMS{{/code}}
--//always saved (PBD)//
--DOOCS prop : {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/CURRENT_INPUT_JITTER.RD{{/code}}
--DAQ channel: {{code language="none"}}FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/CURRENT_INPUT_JITTER.RD{{/code}}
--desc: rms jitter of the fs-Oscillator
--units: fs
--
--[[Contents>>doc:||anchor="Contents"]]
--
  \\
--=== "/uncategorized/" ===
++(% class="wrapped" %)
++|=(((
++DAQ name
++)))|=(((
++HDF5 name
++)))
++|(((
++FLASH.UTIL/FL2.UND.MOTOR/FL2SASE3/GAP
++)))|(((
++/FL2/Electron Diagnostic/Undulator setting/SASE03 gap
++)))
++|(((
++FLASH.UTIL/FL2.UND.MOTOR/FL2SASE14/GAP
++)))|(((
++/FL2/Electron Diagnostic/Undulator setting/SASE14 gap
++)))
++|(((
++TTF2.FEEDBACK/FL2.WAVELENGTHCONTROL/FLASH2/WAVELENGTH
++)))|(((
++/FL2/Electron Diagnostic/Undulator setting/set wavelength
++)))
++|(((
++FLASH.FEL/XGM.PHOTONFLUX/FL2.HALL/PHOTONFLUX.UJ
++)))|(((
++/FL2/Photon Diagnostic/GMD/Average energy/hall
++)))
++|(((
++FLASH.FEL/XGM.PHOTONFLUX/FL2.HALL/PHOTONFLUX
++)))|(((
++/FL2/Photon Diagnostic/GMD/Average energy/hall (raw)
++)))
++|(((
++FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX.UJ
++)))|(((
++/FL2/Photon Diagnostic/GMD/Average energy/tunnel
++)))
++|(((
++FLASH.FEL/XGM.PHOTONFLUX/FL2.TUNNEL/PHOTONFLUX
++)))|(((
++/FL2/Photon Diagnostic/GMD/Average energy/tunnel (raw)
++)))
++|(((
++FLASH.FEL/XGM.POSMON/FL2.HALL/IX.POS
++)))|(((
++/FL2/Photon Diagnostic/GMD/Average beam position/position hall horizontal
++)))
++|(((
++FLASH.FEL/XGM.POSMON/FL2.HALL/IY.POS
++)))|(((
++/FL2/Photon Diagnostic/GMD/Average beam position/position hall vertical
++)))
++|(((
++FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IX.POS
++)))|(((
++/FL2/Photon Diagnostic/GMD/Average beam position/position tunnel horizontal
++)))
++|(((
++FLASH.FEL/XGM.POSMON/FL2.TUNNEL/IY.POS
++)))|(((
++/FL2/Photon Diagnostic/GMD/Average beam position/position tunnel vertical
++)))
++|(((
++FLASH.FEL/XGM.BPM/FL2.HALL:0
++)))|(((
++/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position hall horizontal
++)))
++|(((
++FLASH.FEL/XGM.BPM/FL2.HALL:1
++)))|(((
++/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position hall vertical
++)))
++|(((
++FLASH.FEL/XGM.BPM/FL2.TUNNEL:0
++)))|(((
++/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel horizontal
++)))
++|(((
++FLASH.FEL/XGM.BPM/FL2.TUNNEL:1
++)))|(((
++/FL2/Photon Diagnostic/GMD/Pulse resolved beam position/position tunnel vertical
++)))
++|(((
++FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL:1
++)))|(((
++/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy aux tunnel
++)))
++|(((
++FLASH.FEL/XGM.INTENSITY/FL2.HALL
++)))|(((
++/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy hall
++)))
++|(((
++FLASH.FEL/XGM.INTENSITY/FL2.HALL:0
++)))|(((
++/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy hall
++)))
++|(((
++FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL
++)))|(((
++/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel
++)))
++|(((
++FLASH.FEL/XGM.INTENSITY/FL2.TUNNEL:0
++)))|(((
++/FL2/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel
++)))
++|(((
++FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL042
++)))|(((
++/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/mean phtoton energy
++)))
++|(((
++FLASH.UTIL/STORE/FL2.TUNNEL.OPIS/VAL040
++)))|(((
++/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Processed/mean wavelengt
++)))
++|(((
++FLASH.FEL/ADC.ADQ/OPIS1.CH02
++)))|(((
++/FL2/Photon Diagnostic/Wavelength/OPIS tunnel/Raw data/CH02
++)))
++|(((
++FLASH.DIAG/PBD2.TOROID.ML/9FL2BURN/CHARGE.FLASH2
++)))|(((
++/FL2/Electron Diagnostic/Bunch charge/after undulator
++)))
++|(((
++FLASH.DIAG/PBD2.TOROID.ML/3GUN/CHARGE.FLASH2
++)))|(((
++/FL2/Electron Diagnostic/Bunch charge/at gun
++)))
++|(((
++FLASH.FEL/FL20T.PH.MOTOR/MOTOR1.MOT1/FPOS
++)))|(((
++/FL2/Beamlines/Tunnel Apertures/position aperture1 horizontal
++)))
++|(((
++FLASH.FEL/FL20T.PH.MOTOR/MOTOR2.MOT1/FPOS
++)))|(((
++/FL2/Beamlines/Tunnel Apertures/position aperture1 vertical
++)))
++|(((
++FLASH.FEL/ADC.SIS.FL2FS/FL20.SHUTTER
++)))|(((
++/FL2/Beamlines/FL20/Shutter/channel 0
++)))
++|(((
++FLASH.FEL/ADC.ADQ.FL2EXP1/FL2EXP1.CH00
++)))|(((
++/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH00/TD
++)))
++|(((
++FLASH.FEL/ADC.SIS.FL2EXP1/FL2EXP1.CH00
++)))|(((
++/FL2/Experiment/MTCA-EXP1/SIS8300 100MHz ADC/CH0/TD
++)))
++|(((
++FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/CURRENT_INPUT_JITTER.RD
++)))|(((
++/FL2/Experiment/Pump probe laser/Synchronization/timing jitter RMS
++)))
++|(((
++FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/LOCK_STATUS.VALUE.RD
++)))|(((
++/FL2/Experiment/Pump probe laser/Synchronization/timing jitter RMS GECCO
++)))
++|(((
++FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/FMC0.MD22.0.POSITION.RD
++)))|(((
++/FL2/Experiment/Pump probe laser/laser delay readback
++)))
++|(((
++FLASH.SYNC/LASER.LOCK.EXP/FLASH2.PPL1.OSC1/FMC0.MD22.0.POSITION_SET.WR
++)))|(((
++/FL2/Experiment/Pump probe laser/laser delay set value
++)))
++|(((
++FLASH.FEL/FLAPP2BEAMLINES/MOTOR1.FL24/FPOS
++)))|(((
++/FL2/Experiment/Pump probe laser/FL24/attenuator position
++)))
++|(((
++FLASH.FEL/FLAPP2BEAMLINES/MOTOR2.FL24/POS
++)))|(((
++/FL2/Experiment/Pump probe laser/FL24/polarization position
++)))
-- If parameters for an experiment are included on short notice the correct naming in the HDF5 may not be in time and the data will show up in /uncategorized/ with their DOOCS names
--
  \\
++[[Contents>>doc:||anchor="Contents"]]
++
  === HDF5 structure revisions ===
  Starting with Beamblock 4, August 2018, the hierarchy of the HDF group names have been adapted to reflect the new situation at FLASH. FLASH2 is operating for users quite some time now. Therefore, both accelerators appear equally in their respective HDF groups, namely "/FL1" and "/FL2". The root group of proper, by run organised HDF files have an attribute called "version". This version attribute has changed from "0.2.x" to "0.3.x". The changes in detail:
@@ -1144,6 +1144,10 @@
  [[Contents>>doc:||anchor="Contents"]]
++=== How to read HDF5 with Python via FLASHH5 ===
++
++With [[FlashH5>>doc:FLASHUSER.FLASHH5 for easier access of FLASH's HDF5 files]] we provide h5py based examples to access and evaluate FLASH's HDF5 files.
++
  \\
  == HDF5 and DOOCS ==

Changes for page The FLASH HDF5 structure

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