|Message: Re: G4GeneralParticleSource, uniform distribution throughout volume||Not Logged In (login)|
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Your understanding of the GPS is correct, i.e. only the primaryVertex is randomised. In your application you have to set the number of particle per primaryVetex to 1, which is the default, and repeat the call to GPS->GeneratePrimaryVertex.
The GPS is currently under further development, and are seeking beta tester now. Please see its homepage for further information:
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