Import Geant4 10.7.0 source tree

2020-12-04 12:30:43 +01:00
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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.          *
+// ********************************************************************
+//
+#ifndef PRIMARYGENERATORMMESSENGER_HH
+#define PRIMARYGENERATORMMESSENGER_HH
+
+#include "G4UImessenger.hh"
+
+class G4UIdirectory;
+class G4UIcmdWithABool;
+class G4UIcmdWithAnInteger;
+class G4UIcmdWithAString;
+class G4UIcmdWithADouble;
+class G4UIcmdWithADoubleAndUnit;
+class PrimaryGeneratorAction;
+
+/**
+ * @brief Primary generator messenger
+ *
+ * Defines UI commands to set up the primary generator.
+ *
+ * By default particle gun is used as the primary generator. It can be
+ * controlled with standard UI commands (/gun/).
+ *
+ * "/HGCalTestbeam/generator/momentumSpread <VALUE>" to change constant
+ * particle energy to Gaussian distribution with sigma expressed in units of the
+ * initial energy (e.g. value 0.05 means sigma of 0.05 * E).
+ * By default it equals to 0 and constant energy value is used.
+ * "/HGCalTestbeam/generator/beamSpread <none/Gaussian/flat>" to define type of
+ * beam position spread. By default none is used.
+ * "/HGCalTestbeam/generator/beamSpreadX <SIZE>" to define size of beam spread
+ * along x axis. It is sigma of a Gaussian distribution, or half-width of a
+ * flat distribution.
+ * "/HGCalTestbeam/generator/beamSpreadY <SIZE>" to define size of beam spread
+ * along y axis. It is sigma of a Gaussian distribution, or half-width of a
+ * flat distribution.
+ * "/HGCalTestbeam/generator/beamZ0 <POSITION>" to define beam position along z
+ * axis. By default edge of the world volume is used.
+ *
+ * If installation was done with ROOT package (CMake was able to locate it),
+ * an additional option of input read from the ROOT file is enabled.
+ * It can be activated with "/HGCalTestbeam/generator/readInputFile true".
+ * "/HGCalTestbeam/generator/pathInputFile <FILE>" sets the path to the input
+ * file.
+ * "/HGCalTestbeam/generator/startFromEvent <N>" allows to start simulation from
+ * Nth event.
+ * Please note that in current implementation input from file needs to be
+ * executed in a non-multithreaded mode (or with 1 thread).
+ *
+ */
+
+class PrimaryGeneratorMessenger : public G4UImessenger {
+public:
+  explicit PrimaryGeneratorMessenger(PrimaryGeneratorAction *aPrimaryGeneratorAction);
+  ~PrimaryGeneratorMessenger();
+
+public:
+  void SetNewValue(G4UIcommand *command, G4String newValues);
+  G4String GetCurrentValue(G4UIcommand *command);
+
+private:
+  /// Pointer to the primmary generator
+  PrimaryGeneratorAction *fPrimaryGenerator;
+
+private:
+  /// Directory for UI commands
+  G4UIdirectory *fDirectory;
+#ifdef WITHROOT
+  /// Command specyfing if primary event should be read from file
+  G4UIcmdWithABool *fReadInputCmd;
+  /// Command to set the path to the input file
+  G4UIcmdWithAString *fPathInputCmd;
+  /// Command to set ID of the first event to be read from the file
+  G4UIcmdWithAnInteger *fStartFromEventCmd;
+#endif
+  /// Command to set the sigma of the Gaussian momentum spread
+  G4UIcmdWithADouble *fMomentumSpreadCmd;
+  /// Command to set the type of transverse beam position spread
+  G4UIcmdWithAString *fBeamSpreadTypeCmd;
+  /// Command to set the size of beam position spread along X axis
+  G4UIcmdWithADoubleAndUnit *fBeamSpreadXCmd;
+  /// Command to set the size of beam position spread along Y axis
+  G4UIcmdWithADoubleAndUnit *fBeamSpreadYCmd;
+  /// Command to set the initial beam position size along Z axis
+  G4UIcmdWithADoubleAndUnit *fBeamZ0Cmd;
+};
+
+#endif /*PRIMARYGENERATORMMESSENGER_HH */