Gabriele Cosmo
74 lines
2.0 KiB
Plaintext
74 lines
2.0 KiB
Plaintext
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/*! \page ExampleB4dScoreWriter Example B4dScoreWriter
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This example demonstrates saving the Geant4 scorers hits in form of ntuples in a Root
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file using Geant4 analysis tools.
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The example is completely based on basic B4d example, the storing hits is activated
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in the main () function with instantiating G4ScoreNtupleWriter.
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In difference from the B3aScoreWriter example, the G4AnalysisManager is explicitly used
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in this example and the ntuples with scorers hits are saved in addition to the histograms
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and ntuples created in B4RunAction.
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The G4ScoreNtupleWriter and G4ScoreNtupleWriterMessenger classses are provided in
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the 'scoreWriter' directory in this example. These classes are fully independent from
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the example classes and they can be reused in any Geant4 application.
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The Geant4 UI command defined in G4ScoreNtupleWriterMessenger can be used to choose
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the output file type, the file name and the level of verbosity:
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\verbatim
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/score/writerType root
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/score/fileName name
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/score/writerVerbose 1
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\endverbatim
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\section B4dScoreWriter_s1 How to build
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An additional step is needed when building the example with GNUmake
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due to using the extra 'scoreWriter' directory:
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\verbatim
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% cd path_to_B4dScoreWriter/B4dScoreWriter
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% gmake setup
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% gmake
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\endverbatim
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This will copy the files from scoreWriter in the example include and src;
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to remove these files:
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\verbatim
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% gmake clean_setup
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\endverbatim
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\section B4dScoreWriter_s2 How to run
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- Execute exampleB4dExt in the 'interactive mode' with visualization
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\verbatim
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% ./exampleB4dExt
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\endverbatim
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and type in the commands from run1.mac line by line:
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\verbatim
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Idle> /run/initialize
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Idle> /control/verbose 2
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Idle> /tracking/verbose 2
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Idle> /run/beamOn 1
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Idle> ...
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Idle> exit
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\endverbatim
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or
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\verbatim
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Idle> /control/execute run1.mac
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....
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Idle> exit
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\endverbatim
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- Execute exampleB4dExt in the 'batch' mode from macro files
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(without visualization)
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\verbatim
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% ./exampleB4dExt -m run2.mac
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% ./exampleB4dExt -m exampleB4dExt.in > exampleB3.out
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\endverbatim
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*/
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