|Message: non-uniform electric field in chamber||Not Logged In (login)|
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Dear sir, I am a beginner of Geant4,I want to setup a non-uniform electric field in my chamber filled with Xenon,I follow the example from/advanced/purging_magnet,I just made a conversion from the magnetic field to electric field,compiling is completed but when beamOn I receive some strange information as follows:
---> Begin Of Event: 0 G4MagIntegratorDriver::OneGoodStep: Stepsize underflow in Stepper Step's start x=7.24397 and end x= 7.24397 are equal !! Due to step-size= 5.62767e-20 . Note that input step was 0.562767 G4MagIntegratorDriver::OneGoodStep: Stepsize underflow in Stepper Step's start x=0.410347 and end x= 0.410347 are equal !! Due to step-size= 1.08637e-20 . Note that input step was 10.8637 G4MagIntegratorDriver::OneGoodStep: Stepsize underflow in Stepper .... I really don't know what is the problem,I need some help.can you help me?thank you very much. janitor
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