Import Geant4 10.7.0.beta source tree

2020-06-26 10:23:25 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * 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.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+//
+/*
+ * G4DNAIRTMoleculeEncounterStepper.hh
+ *
+ *  Created on: Jul 23, 2019
+ *      Author: W. G. Shin
+ *              J. Ramos-Mendez and B. Faddegon
+*/
+
+#pragma once
+
+#include "G4VITTimeStepComputer.hh"
+#include "G4KDTreeResult.hh"
+#include "G4ITReaction.hh"
+#include "G4ITTrackHolder.hh"
+
+class G4VDNAReactionModel;
+class G4DNAMolecularReactionTable;
+class G4MolecularConfiguration;
+
+class G4Molecule;
+
+/**
+ * Given a molecule G4DNAIRTMoleculeEncounterStepper will calculate for its possible reactants
+ * what will be the minimum encounter time and the associated molecules.*
+ *
+ * This model includes dynamical time steps as explained in
+ * "Computer-Aided Stochastic Modeling of the Radiolysis of Liquid Water",
+ * V. Michalik, M. Begusová, E. A. Bigildeev,
+ * Radiation Research, Vol. 149, No. 3 (Mar., 1998), pp. 224-236
+ *
+ */
+
+class G4DNAIRTMoleculeEncounterStepper : public G4VITTimeStepComputer
+{
+public:
+    G4DNAIRTMoleculeEncounterStepper();
+    virtual ~G4DNAIRTMoleculeEncounterStepper();
+    G4DNAIRTMoleculeEncounterStepper(const G4DNAIRTMoleculeEncounterStepper&) = delete;
+    G4DNAIRTMoleculeEncounterStepper& operator=(const G4DNAIRTMoleculeEncounterStepper&) = delete;
+
+    virtual void Prepare();
+    virtual G4double CalculateStep(const G4Track&, const G4double&);
+    virtual G4double CalculateMinTimeStep(G4double, G4double);
+
+    void SetReactionModel(G4VDNAReactionModel*);
+    G4VDNAReactionModel* GetReactionModel();
+
+    void SetVerbose(int);
+    // Final time returned when reaction is available in the reaction table = 1
+    // All details = 2
+
+private:
+    void InitializeForNewTrack();
+
+    class Utils;
+    void CheckAndRecordResults(const Utils&,
+#ifdef G4VERBOSE
+                               const G4double reactionRange,
+#endif
+                               G4KDTreeResultHandle&);
+
+    G4bool fHasAlreadyReachedNullTime;
+
+    const G4DNAMolecularReactionTable*& fMolecularReactionTable;
+    G4VDNAReactionModel* fReactionModel;
+    G4ITReactionSet* fReactionSet;
+    G4ITTrackHolder* fpTrackContainer;
+    G4int fVerbose;
+
+    class Utils
+    {
+    public:
+        Utils(const G4Track& tA, const G4MolecularConfiguration* mB);
+        ~Utils() = default;
+
+        G4double GetConstant() const
+        {
+            return fConstant;
+        }
+
+        const G4Track& fpTrackA;
+        const G4MolecularConfiguration* fpMoleculeB;
+        const G4Molecule* fpMoleculeA;
+        G4double fDA;
+        G4double fDB;
+        G4double fConstant;
+    };
+};