--- PamVMC/PamG4RunConfiguration/src/PamG4RunConfiguration.cxx	2009/02/18 17:05:15	1.2
+++ PamVMC/PamG4RunConfiguration/src/PamG4RunConfiguration.cxx	2009/06/12 18:38:54	1.5
@@ -1,13 +1,6 @@
-#include <TG4ComposedPhysicsList.h>
 #include "PamG4RunConfiguration.h"
-#include <TG4EmPhysicsList.h>
-#include <TG4HadronPhysicsList.h>
-#include <TG4OpticalPhysicsList.h>
-#include <TG4SpecialPhysicsList.h>
-#include <TG4Globals.h>
+#include "PamG4RegionConstruction.h"
 
-
-#include "PamG4RangeCutsPhysicsList.h"
 ClassImp(PamG4RunConfiguration)
 
 
@@ -26,36 +19,7 @@
 }
 
 
-G4VUserPhysicsList* PamG4RunConfiguration::CreatePhysicsList()
-{
-// Create default Geant4 VMC physics list
-
-  TG4ComposedPhysicsList* builder = new TG4ComposedPhysicsList();
-  
-  TString token1 = TG4Globals::GetToken(0, fPhysicsListSelection);
-  TString token2 = TG4Globals::GetToken(1, fPhysicsListSelection);
   
-  if ( token1 == "emStandard" ) {
-  G4cout << "Adding EMPhysicsList" << G4endl;
-  builder->AddPhysicsList(new TG4EmPhysicsList());
-}  
-else {
-  G4cout << "Adding HadronPhysicsList " << token1.Data() << G4endl;
-  builder->AddPhysicsList(new TG4HadronPhysicsList(token1.Data()));
-}  
-  
-if ( token2 == "optical" ) {
-  G4cout << "Adding OpticalPhysicsList " << G4endl;
-  builder->AddPhysicsList(new TG4OpticalPhysicsList());
-}  
-  
- // add option here
-  G4cout << "Adding SpecialPhysicsList " << G4endl;
-  builder->AddPhysicsList(new TG4SpecialPhysicsList(
-                               fSpecialProcessSelection.Data()));
-
-  G4cout << "Adding Range Cuts PhysicsList " << G4endl;
-  builder->AddPhysicsList(new PamG4RangeCutsPhysicsList());
-
-return builder;  
-}  
+TG4VUserRegionConstruction*  PamG4RunConfiguration::CreateUserRegionConstruction(){  
+  return new PamG4RegionConstruction(1, "Pamela Tracking Media cuts");
+}