From 0b51fc948e27200a21af1aa4c9cc14d20c74406e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20J=C3=BCrges?= <jurges@astron.nl>
Date: Fri, 28 Sep 2018 14:05:33 +0000
Subject: [PATCH] Task SSB-42: Adjusted the HDS definition after we iterated
the code several times
---
.../doc/Holography_Data_Set.md | 51 ++++++++++++-------
1 file changed, 32 insertions(+), 19 deletions(-)
diff --git a/CAL/CalibrationCommon/doc/Holography_Data_Set.md b/CAL/CalibrationCommon/doc/Holography_Data_Set.md
index ff119b71c1e..bb1fc898fa8 100644
--- a/CAL/CalibrationCommon/doc/Holography_Data_Set.md
+++ b/CAL/CalibrationCommon/doc/Holography_Data_Set.md
@@ -94,29 +94,42 @@ The way how data is accessed may look awkward and that is in fact true. But at
## Layout of the HDS in HDF5 files
```
-/root
+# Root
+/
+ # Attributes
/ATTRS
- /Version (double), holography file format version
- /RCU list (vararray[int]), entries are RCU#s used in all observations
- /mode (int), RCU mode used during all observations
- /SAS id (vararray[string]), contains all SAS ids of all observations
- /Target station name (string), name of the target station
- /Target station position (double[3]), position of the centre of the station in cartesian coordinates
- /Source name (string), name of the observed source in the sky
- /Source position (double[2]), RA, DEC of the source in the sky
- /Observation time (double[2]), Start and end time stamps of the entire holography observation
- /Rotation matrix (2-d array, double[3][3]), translation matrix for (RA, DEC) <-> (l, m) conversion
/Antenna field position (1-d array, double[3]), cartesian coordinates of the centres of each antenna field
- /Specified reference station (1-d array, string), entries are reference station names
- /Specified frequency (1-d array, double), entries are the frequencies of all observations that were specified
- /Specified RA DEC (2-d array, compound[double, double]), indices are frequency index, beamlet#
-
- /Reference station (1-d array, string), entries are reference station names
- /frequency (1-d array, double), entries are the frequencies of all observations
- /RA DEC (2-d array, compound[double, double]), indices are frequency index, beamlet#
- /data (3-d array, vararray[compound[compound[4][double, double], double[3], boolean]], indices are Reference station index, frequency index, beamlet#;
+ /HDS_version (double), holography file format version
+ /Mode (int), RCU mode used during all observations
+ /Observation_time (double[2]), Start and end time stamps of the entire holography observation
+ /RCU_list (vararray[int]), entries are RCU#s used in all observations
+ /Rotation_matrix (2-d array, double[3][3]), translation matrix for (RA, DEC) <-> (l, m) conversion
+ /SAS_ids (vararray[string]), contains all SAS ids of all observations
+ /Source_name (string), name of the observed source in the sky
+ /Source_position (compound(double, double, string), RA, DEC and Epoch of the source in the sky
+ /Target_station_name (string), name of the target station
+ /Target_station_position (double[3]), position of the centre of the station in cartesian coordinates
+
+ /Specified_reference_station (1-d array, string), entries are reference station names
+ /Specified_frequency (1-d array, double), entries are the frequencies of all observations that were specified
+ /Specified_RA_DEC (2-d array, compound[double, double, string[10]]), indices are frequency index, beamlet#
+
+ # Groups
+ /Reference_station (1-d array, string[8]), entries are reference station names
+ /Frequency (1-d array, double), entries are the frequencies of all observations
+ /RA_DEC
+ /[One entry for each of the frequencies] The int(frequency) is the index.
+ /[One entry for each of the beamlets] The beamlet number is the index.
+ /(1-d array, compound[double, double, string[10]]), entries contain a struct of {RA, DEC, Epoch}
+
+ /CROSSCORRELATION
+ /[One entry for each of the reference stations] The name of the reference station is the index.
+ /[One entry for each of the frequencies] The int(frequency in Hz) is the index.
+ /[One entry for each of the beamlets] The beamlet number is the index.
+ /data (1-d array, vararray[compound[compound[4][double, double], double[3], boolean]], entries contain a struct of {XX, XY, YX, YY, l, m, t, flag}.
```
+
## Example data for tests
Test data for two frequencies can be found on LOFAR's CEP3 in the directories
/data014/scratch/veen/holography/20180718/obs3/L661022 and
--
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