Import Geant4 4.0.0 source tree

2016-06-08 16:18:25 +02:00
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+//
+// ********************************************************************
+// * DISCLAIMER                                                       *
+// *                                                                  *
+// * The following disclaimer summarizes all the specific disclaimers *
+// * of contributors to this software. The specific disclaimers,which *
+// * govern, are listed with their locations in:                      *
+// *   http://cern.ch/geant4/license                                  *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.                                                             *
+// *                                                                  *
+// * This  code  implementation is the  intellectual property  of the *
+// * GEANT4 collaboration.                                            *
+// * By copying,  distributing  or modifying the Program (or any work *
+// * based  on  the Program)  you indicate  your  acceptance of  this *
+// * statement, and all its terms.                                    *
+// ********************************************************************
+//
+//
+// --------------------------------------------------------------
+//   GEANT 4 - Underground Dark Matter Detector Advanced Example
+//
+//      For information related to this code contact: Alex Howard
+//      e-mail: a.s.howard@ic.ac.uk
+// --------------------------------------------------------------
+// Comments
+//
+//                  Underground Advanced
+//               by A. Howard and H. Araujo 
+//                    (27th November 2001)
+//
+// MaxTimeCuts program
+// --------------------------------------------------------------
+
+#include "DMXMaxTimeCuts.hh"
+
+#include "G4Step.hh"
+#include "G4UserLimits.hh"
+#include "G4VParticleChange.hh"
+#include "G4EnergyLossTables.hh"
+
+
+DMXMaxTimeCuts::DMXMaxTimeCuts(const G4String& aName)
+  : DMXSpecialCuts(aName)
+{
+   if (verboseLevel>1) {
+     G4cout << GetProcessName() << " is created "<< G4endl;
+   }
+   SetProcessType(fUserDefined);
+}
+
+DMXMaxTimeCuts::~DMXMaxTimeCuts()
+{}
+
+DMXMaxTimeCuts::DMXMaxTimeCuts(DMXMaxTimeCuts& right)
+{}
+
+ 
+G4double DMXMaxTimeCuts::PostStepGetPhysicalInteractionLength(
+                             const G4Track& aTrack,
+			     G4double ,
+			     G4ForceCondition* condition
+			    )
+{
+  // condition is set to "Not Forced"
+  *condition = NotForced;
+
+   G4double     proposedStep = DBL_MAX;
+   // get the pointer to UserLimits
+   G4UserLimits* pUserLimits = aTrack.GetVolume()->GetLogicalVolume()->GetUserLimits();
+   const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
+
+   // can apply cuts for specific particles - use if(particleDef):
+   //   G4ParticleDefinition* aParticleDef = aTrack.GetDefinition();
+  
+   if (pUserLimits) {
+     G4double temp = DBL_MAX;
+     //max time limit
+     G4double dTime= (pUserLimits->GetUserMaxTime(aTrack) - aTrack.GetGlobalTime());
+     if (dTime < 0. ) {
+       proposedStep = 0.;
+     } else {  
+       G4double beta = (aParticle->GetTotalMomentum())/(aParticle->GetTotalEnergy());
+       temp = beta*c_light*dTime;
+       if (proposedStep > temp) proposedStep = temp;                  
+     }
+
+   }
+   return proposedStep;
+}