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Forum: Geometry
Re: Sad Stuck Tracks with Parametrised G4Sphere in world volume (Alex Leatherland)
Date: 08 Jul, 2011
From: Alex Leatherland <Alex Leatherland>

An excerpt from tracking verbose 6 gives:

#Step#    X(mm)    Y(mm)    Z(mm) KinE(MeV)  dE(MeV) StepLeng TrackLeng  NextVolume ProcName
   33 4.01e+08 7.48e+08 1.82e+09       416        0 8.59e+07  7.33e+09 Tracker_parameterisedPV Transportation

 >>DefinePhysicalStepLength (List of proposed StepLengths):
    ++ProposedStep(PostStep ) = 1.797693134862316e+308 : ProcName = Transportation (Forced)
    ++ProposedStep(AlongStep) = 53798466.52418423 : ProcName = Transportation (CandidateForSelection)

 >>AlongStepDoIt (process by process):    Process Name = Transportation

    ++G4Step Information
      Address of G4Track    : 0x17803180
      Step Length (mm)      : 53798466.52418423
      Energy Deposit (MeV)  : 0
      -----------------------------------------------------------------------
        StepPoint Information               PreStep            PostStep
      -----------------------------------------------------------------------
         Position - x (mm)   :    401162038.3348853   443532568.9383653
         Position - y (mm)   :     747783594.264701   768220944.2127942
         Position - z (mm)   :    1819815084.049695   1845917341.879862
         Global Time (ns)    :    24444423.80313206   24623876.17122394
         Local Time (ns)     :    24444423.80313206   24623876.17122394
         Proper Time (ns)    :                    0                   0
         Momentum Direct - x :    0.787578779488687   0.787578779488687
         Momentum Direct - y :   0.3798872211144894  0.3798872211144894
         Momentum Direct - z :   0.4851859080115796  0.4851859080115796
         Momentum - x (MeV/c):    327.4811172576247   327.4811172576247
         Momentum - y (MeV/c):    157.9599334599064   157.9599334599064
         Momentum - z (MeV/c):    201.7439110490527   201.7439110490527
         Total Energy (MeV)  :    415.8074414730072   415.8074414730072
         Kinetic Energy (MeV):    415.8074414730072   415.8074414730072
         Velocity (mm/ns)    :           299.792458          299.792458
         Volume Name         : Tracker_parameterisedPVTracker_parameterisedPV
         Safety (mm)         :                5e-10               5e-10
         Polarization - x    :                    0                   0
         Polarization - y    :                    0                   0
         Polarization - Z    :                    0                   0
         Weight              :                    1                   1
         Step Status         :           Geom Limit          Geom Limit
         Process defined Step:       Transportation      Transportation
      -----------------------------------------------------------------------
          !Note! Safety of PostStep is only valid after all DoIt invocations.

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1 None: Re: Stuck Tracks with Parametrised G4Sphere in world volume   (Alex Leatherland - 11 Jul, 2011)
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