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Example userPrimaryGenerator

The example shows how to create a primary event including several vertices and several primary particles per vertex

Geometry construction

It is a simple box which represents an 'infinite' homogeneous medium.

Physics list

PhysicsList.cc defines only geantino and transportation process.

Primary generator : several vertices and particles per event

vertex A and particle 1 : a geantino uniformly randomized on a cylinder surface. vertex B and particles 2 and 3 : symetric to vertex A.

Visualisation

Visualization Manager is set in the main(). Initialisation of the drawing is done via the commands /vis/.. in the macro vis.mac. This macro is automatically read from the main in case of interactive running mode.

How to start ?

  • execute userPrimaryGenerator in 'batch' mode from macro files
            % userPrimaryGenerator   run1.mac
    
  • execute userPrimaryGenerator in 'interactive mode' with visualization
            % userPrimaryGenerator
            ....
            Idle>      ---> type your commands. For instance:
            Idle> /run/beamOn 1
            ....
            Idle> exit
    

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