From ab7fe53f77dfe6bd0cd385d62def9f8c00f22620 Mon Sep 17 00:00:00 2001
From: Markus Frank <Markus.Frank@cern.ch>
Date: Wed, 10 Aug 2022 19:23:26 +0200
Subject: [PATCH] Allow to set MeanExcEnergy, MeanEnergyPerIonPair and
 BirksConstant in G4Materials ionisation parameters

---
 DDG4/src/Geant4Converter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/DDG4/src/Geant4Converter.cpp b/DDG4/src/Geant4Converter.cpp
index 21c50e8b2..becdcf30a 100644
--- a/DDG4/src/Geant4Converter.cpp
+++ b/DDG4/src/Geant4Converter.cpp
@@ -512,6 +512,7 @@ void* Geant4Converter::handleMaterial(const string& name, Material medium) const
     // Set Birk's constant if it was supplied in the material table of the TGeoMaterial
     auto* ionisation = mat->GetIonisation();
     stringstream str;
+    str << (*mat);
     if ( ionisation )   {
       if ( ionisation_birks_constant > 0e0 )   {
 	ionisation->SetBirksConstant(ionisation_birks_constant);
@@ -522,7 +523,6 @@ void* Geant4Converter::handleMaterial(const string& name, Material medium) const
       if ( ionisation_ene_per_ion_pair > 0e0 )   {
 	ionisation->SetMeanEnergyPerIonPair(ionisation_ene_per_ion_pair);
       }
-      str << (*mat);
       str << "          log(MEE): " << std::setprecision(4) << ionisation->GetLogMeanExcEnergy();
       if ( ionisation_birks_constant > 0e0 )
 	str << "  Birk's constant: " << std::setprecision(4) << ionisation->GetBirksConstant() << " [mm/MeV]";
-- 
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