|Message: Re: Forced-flight biasing: Cumulated weight is null !||Not Logged In (login)|
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That makes sense; thanks for the explanation. What I wanted was for my primaries to penetrate the shielding with 100% probability (but with appropriate weights) so that I didn't spend all my CPU time on attenuation in the shielding. The weight doesn't necessarily need to evolve all along the trajectory. Is forced interaction the way to proceed here? I tried using
G4BOptrForceCollision * fb = new G4BOptrForceCollision("gamma","ForwardBias"); ... fb->AttachTo(...);
but it gave similar errors, even on newer versions of Geant4.
Thanks, Jayson V.
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