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Geant4/examples/extended/optical/OpNovice/README

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Diff markup

Differences between /examples/extended/optical/OpNovice/README (Version 11.3.0) and /examples/extended/optical/OpNovice/README (Version 11.0.p4)


  1 ----------------------------------------------      1 -------------------------------------------------------------------
  2                                                     2 
  3      =========================================      3      =========================================================
  4      Geant4 - an Object-Oriented Toolkit for S      4      Geant4 - an Object-Oriented Toolkit for Simulation in HEP
  5      =========================================      5      =========================================================
  6                                                     6 
  7                             OpNovice                7                             OpNovice
  8                             --------                8                             --------
  9                                                     9 
 10 This example presently illustrates the followi     10 This example presently illustrates the following basic concepts, and in
 11 particular (indicated with ***), how to use G4     11 particular (indicated with ***), how to use G4 for optical photon
 12 generation and transport. Other extended examp     12 generation and transport. Other extended example of what is possible
 13 in Geant4 with optical photons can be found at     13 in Geant4 with optical photons can be found at
 14 examples/extended/optical/LXe and wls.             14 examples/extended/optical/LXe and wls.
 15                                                    15 
 16 main()                                             16 main()
 17 ------                                             17 ------
 18                                                    18 
 19  ==> define Random Number generator initial se     19  ==> define Random Number generator initial seed
 20                                                    20 
 21 G4Optical Physics                                  21 G4Optical Physics
 22 -----------------                                  22 -----------------
 23                                                    23 
 24  The G4OpticalPhysics physics class is used. T     24  The G4OpticalPhysics physics class is used. The messenger is the
 25  G4OpticalParametersMessenger class.               25  G4OpticalParametersMessenger class.
 26                                                    26 
 27  ==> define particles; including *** G4Optical     27  ==> define particles; including *** G4OpticalPhoton     ***
 28      define processes; including *** G4Cerenko     28      define processes; including *** G4Cerenkov          ***
 29                                  *** G4Scintil     29                                  *** G4Scintillation     ***
 30                                  *** G4OpAbsor     30                                  *** G4OpAbsorption      ***
 31                                  *** G4OpRayle     31                                  *** G4OpRayleigh        ***
 32                                  *** G4OpBound     32                                  *** G4OpBoundaryProcess ***
 33                                                    33 
 34  ==> A messenger command allows to define inte     34  ==> A messenger command allows to define interactively the 
 35      verbose level and the maximum number of C     35      verbose level and the maximum number of Cerenkov photons per step
 36      (see for instance OpNovice.in)                36      (see for instance OpNovice.in)
 37                                                    37 
 38 G4VUserDetectorConstruction                        38 G4VUserDetectorConstruction
 39 ---------------------------                        39 ---------------------------
 40                                                    40 
 41  ==> define material: Air and Water                41  ==> define material: Air and Water
 42      define simple G4box geometry                  42      define simple G4box geometry
 43      *** add G4MaterialPropertiesTable to G4Ma     43      *** add G4MaterialPropertiesTable to G4Material       ***
 44      *** define G4LogicalSurface(s)                44      *** define G4LogicalSurface(s)                        ***
 45      *** define G4OpticalSurface                   45      *** define G4OpticalSurface                           ***
 46      *** add G4MaterialPropertiesTable to G4Op     46      *** add G4MaterialPropertiesTable to G4OpticalSurface ***
 47                                                    47 
 48 alternatively the Configuration can be read fr     48 alternatively the Configuration can be read from a gdml file.
 49 The provided gdml file NoviceExample.gdml corr     49 The provided gdml file NoviceExample.gdml corresponds to the detector
 50 defined in OpNoviceDetectorConstruction.           50 defined in OpNoviceDetectorConstruction.
 51                                                    51 
 52 G4VUserPrimaryGeneratorAction                      52 G4VUserPrimaryGeneratorAction
 53 -----------------------------                      53 -----------------------------
 54                                                    54 
 55  ==> Use G4ParticleGun to shoot a charge parti     55  ==> Use G4ParticleGun to shoot a charge particle into a Cerenkov radiator
 56                                                    56  
 57  ==> A messenger command allows to define inte     57  ==> A messenger command allows to define interactively the polarization of an
 58      primary optical photon (see for instance      58      primary optical photon (see for instance optPhoton.mac)
 59                                                    59  
 60 G4UserRunAction and G4Run                          60 G4UserRunAction and G4Run
 61 -------------------------                          61 -------------------------
 62                                                    62 
 63  Used to accumulate statistics.                    63  Used to accumulate statistics.
 64                                                    64 
 65 G4UserStackingAction and G4UserEventAction         65 G4UserStackingAction and G4UserEventAction
 66 ------------------------------------------         66 ------------------------------------------
 67                                                    67 
 68 ==> show how to count the number of secondary      68 ==> show how to count the number of secondary particles in an event
 69                                                    69 
 70 Visualisation                                      70 Visualisation
 71 -------------                                      71 -------------
 72                                                    72  
 73  The Visualization Manager is set in the main(     73  The Visualization Manager is set in the main().
 74  The initialisation of the drawing is done via     74  The initialisation of the drawing is done via a set of /vis/ commands
 75  in the macro vis.mac. This macro is automatic     75  in the macro vis.mac. This macro is automatically read from
 76  the main in case of interactive running mode.     76  the main in case of interactive running mode.
 77                                                    77  
 78  The detector has a default view which is a lo     78  The detector has a default view which is a longitudinal view of the tank.
 79  The tracks are drawn at the end of event, and     79  The tracks are drawn at the end of event, and erased at the end of run.
 80                                                    80  
 81  HOW TO START                                      81  HOW TO START
 82  ------------                                      82  ------------
 83                                                    83  
 84  - compile and link to generate an executable      84  - compile and link to generate an executable
 85                                                    85 
 86    This example handles the program arguments      86    This example handles the program arguments in a new way.
 87    It can be run with the following optional o     87    It can be run with the following optional optionaarguments:
 88    $ OpNovice [-g gdmlfile] [-m macro ] [-u UI     88    $ OpNovice [-g gdmlfile] [-m macro ] [-u UIsession] [-t nThreads]
 89                                                    89 
 90    The -t option is available only in multi-th     90    The -t option is available only in multi-threading mode
 91    and it allows the user to override the Gean     91    and it allows the user to override the Geant4 default number of
 92    threads. The number of threads can be also      92    threads. The number of threads can be also set via G4FORCENUMBEROFTHREADS
 93    environment variable which has the top prio     93    environment variable which has the top priority.
 94                                                    94 
 95  - execute OpNovice in 'batch' mode from macro     95  - execute OpNovice in 'batch' mode from macro files
 96   $ OpNovice -m OpNovice.in                        96   $ OpNovice -m OpNovice.in
 97                                                    97 
 98  - execute OpNovice in 'batch' mode from macro     98  - execute OpNovice in 'batch' mode from macro files using a gdml file
 99    to define the geometry                          99    to define the geometry
100   $ OpNovice -g NoviceExample.gdml -m OpNovice    100   $ OpNovice -g NoviceExample.gdml -m OpNovice.in
101                                                   101   
102  - execute OpNovice in 'interactive mode' with    102  - execute OpNovice in 'interactive mode' with visualization
103   $ OpNovice                                      103   $ OpNovice
104   ....                                            104   ....
105   Idle> type your commands. For instance:         105   Idle> type your commands. For instance:
106   Idle> /control/execute optPhoton.mac            106   Idle> /control/execute optPhoton.mac
107   ....                                            107   ....
108   Idle> exit                                      108   Idle> exit
109                                                   109 
110 Macros                                            110 Macros
111 ------                                            111 ------
112                                                   112 
113  The following macros are provided:               113  The following macros are provided:
114                                                   114 
115  - optPhoton.mac: Shoot optical photons with e << 115  optPhoton.mac: Shoot optical photons with energy 3 eV
116  - OpNovice.in: Shoot positrons with energy 50 << 116  OpNovice.in: Shoot positrons with energy 500 keV.
117  - gui.mac: Configure the graphical user inter << 117  gui.mac: Configure the graphical user interface.
118  - vis.mac: Configure visualization.           << 118  vis.mac: Configure visualization.ls 
119                                                   119 
120                                                   120 
121 gdml files                                        121 gdml files
122 ----------                                        122 ----------
123 NoviceExample.gdml: example gdml file correspo    123 NoviceExample.gdml: example gdml file corresponding to
124 OpNoviceDetectorConstruction                      124 OpNoviceDetectorConstruction