From a64f088e37d6aa3edc9c59fa88d72c2f5be83b78 Mon Sep 17 00:00:00 2001
From: Andre Sailer <andre.philippe.sailer@cern.ch>
Date: Tue, 5 Jul 2016 17:00:06 +0000
Subject: [PATCH] DDSim.Random: Initialize random before the input/outputFile
as we are now potentially changing the random seed we need to initialize it before the output file, because we write the variables to the outputfile at this point
---
DDSim/DD4hepSimulation.py | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/DDSim/DD4hepSimulation.py b/DDSim/DD4hepSimulation.py
index d26a7ad50..dde0460c3 100644
--- a/DDSim/DD4hepSimulation.py
+++ b/DDSim/DD4hepSimulation.py
@@ -309,8 +309,10 @@ class DD4hepSimulation(object):
kernel.registerGlobalAction(run1)
kernel.runAction().add(run1)
- # Configure I/O
+ # Configure the random seed, do it before the I/O because we might change the seed!
+ _rndm = self.random.initialize( DDG4, kernel, self.output.random )
+ # Configure I/O
if self.outputFile.endswith(".slcio"):
lcOut = simple.setupLCIOOutput('LcioOutput', self.outputFile)
lcOut.RunHeader = self.__addParametersToRunHeader()
@@ -319,9 +321,6 @@ class DD4hepSimulation(object):
actionList = []
- ##configure the random seed
- rndm = self.random.initialize( DDG4, kernel, self.output.random )
-
if self.enableGun:
gun = DDG4.GeneratorAction(kernel,"Geant4ParticleGun/"+"Gun")
self.gun.setOptions( gun )
--
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