From e3e861b9d6a593492b39253bc34f6f05349c2e69 Mon Sep 17 00:00:00 2001
From: Robert Osinski <robert.osinski@ecmwf.int>
Date: Wed, 24 Jul 2024 14:11:06 +0000
Subject: [PATCH] paramId/chemId split only for CAMS oper and research

---
 definitions/grib2/parameters.def | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/definitions/grib2/parameters.def b/definitions/grib2/parameters.def
index e70b3ac54..b96617ed6 100644
--- a/definitions/grib2/parameters.def
+++ b/definitions/grib2/parameters.def
@@ -28,9 +28,11 @@ concept cfVarName (cfVarNameECMF,"cfVarName.def",conceptsDir2,conceptsDir1): no_
 
 transient chem_split_dataset = 0 : hidden;
 
-if (section2Used == 1) {
- # 19=mc ; 2=rd
- if (class == 19 || class == 2) {
+if (defined(marsClass) && section2Used==1) {
+ ### // too ecmwf ?
+ ## 19 | mc | Copernicus Atmosphere Monitoring Service (CAMS, previously MACC)
+ ## 36 | cr | Copernicus Atmosphere Monitoring Service (CAMS) Research
+ if (class == 19 || class == 36) {
   remove chem_split_dataset;
   transient chem_split_dataset = 1;
  }