From b9ce98cd480cdd790b9c4371fc7e87a1d8e3eb40 Mon Sep 17 00:00:00 2001
From: Anne Tipka <anne.tipka@ctbto.org>
Date: Sat, 22 Oct 2022 22:33:00 +0000
Subject: [PATCH] added CONTROL file option for grib compression type / set
packingType parameter in grib messages
---
Source/Python/Classes/ControlFile.py | 4 ++++
Source/Python/Classes/EcFlexpart.py | 10 ++++++++++
2 files changed, 14 insertions(+)
diff --git a/Source/Python/Classes/ControlFile.py b/Source/Python/Classes/ControlFile.py
index 5783535..5a14859 100644
--- a/Source/Python/Classes/ControlFile.py
+++ b/Source/Python/Classes/ControlFile.py
@@ -228,6 +228,9 @@ class ControlFile(object):
Switch to select further parameters for retrievment to support
WRF simulations. Default value is 0.
+ compression : str
+ Compression type for grib messages. Standard is "grid_simple".
+
ecfsdir : str
Path to the ECMWF storage 'ectmp:/${USER}/econdemand/'
@@ -395,6 +398,7 @@ class ControlFile(object):
self.prefix = 'EN'
self.cwc = 0
self.wrf = 0
+ self.compression = 'grid_simple'
self.ecfsdir = 'ectmp:/${USER}/econdemand/'
self.mailfail = ['${USER}']
self.mailops = ['${USER}']
diff --git a/Source/Python/Classes/EcFlexpart.py b/Source/Python/Classes/EcFlexpart.py
index 65ba97f..b7e02f6 100644
--- a/Source/Python/Classes/EcFlexpart.py
+++ b/Source/Python/Classes/EcFlexpart.py
@@ -1901,6 +1901,16 @@ class EcFlexpart(object):
error_msg='RENAMING FOR NEW GRIB2 FORMAT '
'FILES FAILED!')
+ if c.compression.lower() != 'grid_simple':
+ execute_subprocess(['grib_set', '-r', '-s',
+ 'packingType=' + c.compression,
+ ofile, ofile + '_2'],
+ error_msg='GRIB COMPRESSION FAILED!')
+
+ execute_subprocess(['mv', ofile + '_2', ofile],
+ error_msg='RENAMING FOR NEW GRIB COMPRESSION '
+ 'FILES FAILED!')
+
if c.ectrans and _config.FLAG_ON_ECMWFSERVER:
execute_subprocess(['ectrans', '-overwrite', '-gateway',
c.gateway, '-remote', c.destination,
--
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