Skip to Content

Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2026-01-19 14:35
From version 90.1
edited by sndueste
on 2025-04-24 13:27
Change comment: There is no comment for this version
To version 93.1
edited by sndueste
on 2025-04-24 13:33
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -604,12 +604,9 @@
604 604  second column: microseconds
605 605  third column: Train ID of FLASH
606 606  
607 -currently it is saved as Unix time in
607 +currently it is saved as Unix time in : /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time
608 608  
609 -|(((
610 -/zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time
611 -
612 -{{expand title="Timestamp help for python" expanded="false"}}
609 +{{expand expanded="false" title="Timestamp help for python"}}
613 613   import time
614 614  
615 615  # epoch time is found in /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time #!!! a leading 1 has to be added !!!
... ... @@ -620,12 +620,9 @@
620 620  print(formatted_time)
621 621  {{/expand}}
622 622  
623 -
624 -)))
625 625  
626 626  [[Contents>>doc:||anchor="Contents"]]
627 627  
628 -
629 629  ==== Pump Probe Laser (FLASH1) ====
630 630  
631 631  **PIGLET (PG laser)**
... ... @@ -1122,9 +1122,9 @@
1122 1122  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 !)
1123 1123  units:
1124 1124  
1125 -===== Train time =====
1119 +===== (% style="color:#e67e22" %)Train time(%%) =====
1126 1126  
1127 -//always saved (PBD2)//
1121 +(% style="color:#e67e22" %)//always saved (PBD2)//
1128 1128  {{code language="none"}}/Timing/train time{{/code}}
1129 1129  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
1130 1130  units: d h min s cs
... ... @@ -1133,11 +1133,28 @@
1133 1133  /Timing/time stamp
1134 1134  {{/code}}
1135 1135  
1136 -//always saved (PBD2)//
1130 +(% style="color:#e67e22" %)//always saved (PBD2)//
1137 1137  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
1138 1138  second column: microseconds
1139 1139  third column: Train ID of FLASH
1140 1140  
1135 +
1136 +(% 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
1137 +
1138 +{{expand expanded="false" title="Timestamp help for python"}}
1139 + import time
1140 +
1141 +# epoch time is found in /zraw/FLASH.DIAG/TIMINGINFO/TIME1.BUNCH_FIRST_INDEX.1/dGroup/time #!!! a leading 1 has to be added !!!
1142 +# 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
1143 +epoch_time = 1709051499.17 # Replace with your epoch time
1144 +
1145 +formatted_time = time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(epoch_time))
1146 +print(formatted_time)
1147 +{{/expand}}
1148 +
1149 +
1150 +
1151 +
1141 1141  [[Contents>>doc:||anchor="Contents"]]
1142 1142  
1143 1143