From 121f73c528b45a41a576ac63ad380a204a20331a Mon Sep 17 00:00:00 2001
From: Sebastiaan van der Tol <tol@astron.nl>
Date: Mon, 10 Aug 2020 13:08:30 +0200
Subject: [PATCH] Conditionally add ARRAY_CENTER column to OBSERVATION subtable
Add the column only when is does not exist yet.
---
scripts/misc/add_beaminfo.py | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/scripts/misc/add_beaminfo.py b/scripts/misc/add_beaminfo.py
index 7ecd7cd1..3165ee9d 100755
--- a/scripts/misc/add_beaminfo.py
+++ b/scripts/misc/add_beaminfo.py
@@ -39,13 +39,13 @@ def fix_antenna(oskar_ms_name: str, telescope_center_itrf: np.array):
def add_array_center(oskar_ms_name: str, telescope_center_itrf: np.array):
"""Add ARRAY_CENTER column to ::OBSERVATION subtable"""
- anttable = pt.table(f"{oskar_ms_name}::ANTENNA", ack=False)
- coldesc = anttable.getcoldesc("POSITION")
- coldesc["name"] = "ARRAY_CENTER"
- coldesc["comment"] = "Reference position for array"
-
obstable = pt.table(f"{oskar_ms_name}::OBSERVATION", readonly=False, ack=False)
- #obstable.addcols(coldesc)
+ if 'ARRAY_CENTER' not in obstable.colnames():
+ anttable = pt.table(f"{oskar_ms_name}::ANTENNA", ack=False)
+ coldesc = anttable.getcoldesc("POSITION")
+ coldesc["name"] = "ARRAY_CENTER"
+ coldesc["comment"] = "Reference position for array"
+ obstable.addcols(coldesc)
obstable.putcol("ARRAY_CENTER", np.array([telescope_center_itrf]))
obstable.close()
--
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