From f3462f2d3e26590ff764e9194fe071feb2e9c423 Mon Sep 17 00:00:00 2001
From: gconesab <Gustavo.Conesa.Balbastre@cern.ch>
Date: Fri, 24 Apr 2020 09:42:16 +0200
Subject: [PATCH] Add PHOS time resolution switch

---
 MC/DetectorConfig.C | 9 ++++++++-
 MC/dpgsim.sh        | 6 ++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/MC/DetectorConfig.C b/MC/DetectorConfig.C
index 68f7faf6..fac368fe 100644
--- a/MC/DetectorConfig.C
+++ b/MC/DetectorConfig.C
@@ -482,7 +482,14 @@ DetectorInit(Int_t tag)
       else {
 	AliPHOS *PHOS = new AliPHOSv1("PHOS", "Run2");
       }
-	
+  
+      if (gSystem->Getenv("CONFIG_PHOS_TIMERES")) {
+          if ( !strcmp(gSystem->Getenv("CONFIG_PHOS_TIMERES"), "off") ) {
+            printf("*** PHOS time resolution off\n");
+            AliPHOSSimParam::GetInstance()->SetTOFparameters(1.e-12,1.e-12) ;
+          }
+      }
+
     }
 
 
diff --git a/MC/dpgsim.sh b/MC/dpgsim.sh
index 0e78fca6..98643699 100755
--- a/MC/dpgsim.sh
+++ b/MC/dpgsim.sh
@@ -194,6 +194,7 @@ OVERRIDE_SYSTEM=""
 CONFIG_TRIGGER=""
 OVERRIDE_TRIGGER=""
 CONFIG_DETECTOR=""
+CONFIG_PHOS_TIMERES="on" 
 CONFIG_DETECTORMASK="0x0"
 CONFIG_PHYSICSLIST=""
 CONFIG_PDG=""
@@ -299,6 +300,10 @@ while [ ! -z "$1" ]; do
         CONFIG_DETECTOR="$1"
 	export CONFIG_DETECTOR
         shift
+    elif [ "$option" = "--phostimeres" ]; then
+        CONFIG_PHOS_TIMERES="$1"
+  export CONFIG_PHOS_TIMERES
+        shift
     elif [ "$option" = "--system" ]; then
         OVERRIDE_SYSTEM="$1"
         OVERRIDE_TRIGGER="$1"
@@ -861,6 +866,7 @@ echo "No. Events....... $CONFIG_NBKG"
 #echo "MC seed.......... $CONFIG_SEED (based on $CONFIG_SEED_BASED)"
 echo "============================================"
 echo "Detector......... $CONFIG_DETECTOR"
+echo "PHOS Time Res.... $CONFIG_PHOS_TIMERES"
 echo "GEANT4........... $CONFIG_GEANT4"
 echo "GEANT4 Phy List.. $CONFIG_GEANT4PHYSLIST"
 echo "FLUKA............ $CONFIG_FLUKA"