Import Geant4 4.1.0 source tree

2016-06-08 16:39:52 +02:00
parent 921d3b1cda
commit 330b82b769
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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.                                    *
+// ********************************************************************
+//
+//
+// $Id: G4ParallelTransport.cc,v 1.4 2002/05/31 13:49:47 dressel Exp $
+// GEANT4 tag $Name: geant4-04-01 $
+//
+// ----------------------------------------------------------------------
+// GEANT 4 class source file
+//
+// G4ParallelTransport.cc
+//
+// ----------------------------------------------------------------------
+
+#include "G4ParallelTransport.hh"
+#include "G4VPGeoDriver.hh"
+#include "G4VParallelStepper.hh"
+#include "G4Pstring.hh"
+
+G4ParallelTransport::G4ParallelTransport(G4VPGeoDriver &pgeodriver,
+					 G4VParallelStepper &aStepper,
+					 const G4String &aName)
+ : G4VProcess(aName), 
+   fPgeodriver(pgeodriver),
+   fPStepper(aStepper),
+  fCrossBoundary(false),
+  fInitStep(false)
+{
+  fParticleChange = new G4ParticleChange;
+  G4VProcess::pParticleChange = fParticleChange;
+}
+
+G4ParallelTransport::~G4ParallelTransport()
+{
+  delete fParticleChange;
+}
+
+
+void G4ParallelTransport::StartTracking(){
+  fInitStep = true;
+}
+void G4ParallelTransport::EndTracking(){}
+
+G4double 
+G4ParallelTransport::
+PostStepGetPhysicalInteractionLength(const G4Track& aTrack,
+				     G4double   previousStepSize,
+				     G4ForceCondition* condition)
+{
+  G4double stepLength;
+
+  // if this function is called on a new track let the navigator 
+  // know about it
+  //  G4bool initStep = (aTrack.GetCurrentStepNumber() == 1);
+
+  if (fInitStep) {
+    fInitStep = false;
+    stepLength = fPgeodriver.
+      ComputeStepLengthInit(aTrack.GetPosition(),
+			    aTrack.GetMomentumDirection());
+    fPStepper.Init(fPgeodriver.GetCurrentTouchableKey());
+    fCrossBoundary = false;
+  }
+  else if (fCrossBoundary) {
+    stepLength = fPgeodriver.
+      ComputeStepLengthCrossBoundary(aTrack.GetPosition(),
+				     aTrack.GetMomentumDirection());
+    fPStepper.UnSetCrossBoundary();
+    fCrossBoundary = false;
+  }
+  else {
+    stepLength = fPgeodriver.
+      ComputeStepLengthInVolume(aTrack.GetPosition(),
+				aTrack.GetMomentumDirection());
+  }
+  
+  *condition = NotForced;
+  return stepLength;
+}
+
+G4VParticleChange * 
+G4ParallelTransport::PostStepDoIt(const G4Track& aTrack,
+				  const G4Step& aStep)
+{
+  if (aStep.GetStepLength() == 0.) {
+    G4String m = "G4PArallelTransport::PostStepDoIt: StepLength() == 0.\n";
+    m += "pos: " + str(aTrack.GetPosition()) + ", " 
+      + "dir: " +  str(aTrack.GetMomentumDirection()) + "\n";
+    Warning(m);
+  }
+
+  fParticleChange->Initialize(aTrack);
+
+  fCrossBoundary = true;
+  fPgeodriver.LocateOnBoundary(aTrack.GetPosition(), 
+			       aTrack.GetMomentumDirection());
+  fPStepper.Update(fPgeodriver.GetCurrentTouchableKey());
+
+  return fParticleChange;
+}
+    
+void G4ParallelTransport::Error(const G4String &m)
+{
+  G4cout << "ERROR - G4ParallelTransport::" << m << G4endl;
+  G4Exception("Program aborted.");
+}
+
+void G4ParallelTransport::Warning(const G4String &m)
+{
+  G4cout << "WARNING - G4ParallelTransport: " << G4endl;
+  G4cout << m << G4endl;
+}