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Question Ignoring certain particles while tracking 

Keywords: limiting tracking of particles to a certain particle
Forum: Event and Track Management
Date: 12 Jul, 2007
From: Matthew Middione <middionematt@csufresno.edu>

I have output that looks like the following:

*********************************************************************************************************
* G4Track Information:   Particle = F18[0.0],   Track ID = 1,   Parent ID = 0
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0      0 fm      0 fm      0 fm      0 eV      0 eV      0 fm      0 fm       Tissue    initStep
    1      0 fm      0 fm      0 fm      0 eV      0 eV      0 fm      0 fm       Tissue  RadioactiveDecay

*********************************************************************************************************
* G4Track Information:   Particle = e+,   Track ID = 4,   Parent ID = 1
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0      0 fm      0 fm      0 fm    322 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -9.39 um   1.38 um   29.8 um    318 keV  4.08 keV  31.5 um   31.5 um       Tissue         msc
    2  -2.58 um  -57.9 um    264 um    231 keV  51.2 keV   254 um    285 um       Tissue       eIoni
    3   3.04 um  -54.3 um    263 um    221 keV  1.76 keV  6.83 um    292 um       Tissue       eIoni
    4    272 um   86.6 um    196 um      0 eV    221 keV   609 um    901 um       Tissue       eIoni
    5    272 um   86.6 um    196 um      0 eV      0 eV      0 fm    901 um       Tissue     annihil

*********************************************************************************************************
* G4Track Information:   Particle = gamma,   Track ID = 8,   Parent ID = 4
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0    272 um   86.6 um    196 um    511 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   20.4 cm  -11.4 cm  -12.2 cm    459 keV     0 eV   26.4 cm   26.4 cm       Tissue       compt
    2   25.2 cm  -11.2 cm  -14.8 cm    367 keV     0 eV   5.38 cm   31.8 cm       Tissue       compt
    3     27 cm  -12.8 cm  -15.2 cm    342 keV     0 eV   2.46 cm   34.2 cm       Tissue       compt
    4   29.6 cm  -13.4 cm  -15.5 cm    252 keV     0 eV   2.62 cm   36.9 cm       Tissue       compt
    5   29.6 cm  -13.7 cm  -15.7 cm    221 keV     0 eV   3.53 mm   37.2 cm       Tissue       compt
    6   26.3 cm  -20.3 cm  -30.2 cm    154 keV     0 eV   16.3 cm   53.5 cm       Tissue       compt
    7     27 cm  -17.6 cm  -31.6 cm    106 keV     0 eV   3.07 cm   56.6 cm       Tissue       compt
    8   27.8 cm    -19 cm  -16.7 cm    102 keV     0 eV   14.9 cm   71.5 cm       Tissue       compt
    9   24.9 cm  -22.8 cm  -10.1 cm   97.2 keV     0 eV   8.18 cm   79.7 cm       Tissue       compt
   10   24.9 cm  -23.9 cm  -9.62 cm   86.3 keV     0 eV   1.26 cm   80.9 cm       Tissue       compt
   11   24.6 cm  -24.3 cm  -9.91 cm   79.9 keV     0 eV   5.57 mm   81.5 cm       Tissue       compt
   12   22.1 cm  -24.3 cm  -9.34 cm   69.9 keV     0 eV   2.52 cm     84 cm       Tissue       compt
   13   19.6 cm  -27.3 cm  -16.8 cm   65.3 keV     0 eV   8.44 cm   92.5 cm       Tissue       compt
   14     13 cm  -28.2 cm    -18 cm   54.2 keV     0 eV   6.77 cm   99.2 cm       Tissue       compt
   15   15.5 cm  -30.8 cm  -16.2 cm   52.4 keV     0 eV   4.02 cm   1.03 m        Tissue       compt
   16   16.2 cm  -30.7 cm  -15.4 cm   48.8 keV     0 eV      1 cm   1.04 m        Tissue       compt
   17   16.7 cm    -32 cm  -15.1 cm   46.9 keV     0 eV   1.43 cm   1.06 m        Tissue       compt
   18   14.1 cm  -35.3 cm  -13.3 cm   39.7 keV     0 eV    4.5 cm    1.1 m        Tissue       compt
   19   14.6 cm    -34 cm  -13.8 cm   38.3 keV     0 eV   1.44 cm   1.12 m        Tissue       compt
   20   21.3 cm  -33.6 cm  -18.5 cm   38.2 keV     0 eV   8.16 cm    1.2 m        Tissue       compt
   21   21.4 cm  -33.6 cm  -18.6 cm   37.1 keV     0 eV   1.82 mm    1.2 m        Tissue       compt
   22   25.3 cm  -41.3 cm  -23.1 cm      0 eV   2.48 keV  9.73 cm    1.3 m        Tissue        phot

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 30,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   25.3 cm  -41.3 cm  -23.1 cm   34.6 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   25.3 cm  -41.3 cm  -23.1 cm   28.3 keV  6.35 keV  1.24 um   1.24 um       Tissue         msc
    2   25.3 cm  -41.3 cm  -23.1 cm      0 eV   28.3 keV  16.4 um   17.6 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 29,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   21.4 cm  -33.6 cm  -18.6 cm   1.11 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   21.4 cm  -33.6 cm  -18.6 cm   1.09 keV  17.4 eV   5.13 nm   5.13 nm       Tissue         msc
    2   21.4 cm  -33.6 cm  -18.6 cm      0 eV   1.09 keV  70.5 nm   75.6 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 28,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   21.3 cm  -33.6 cm  -18.5 cm   76.1 eV      0 eV      0 fm      0 fm       Tissue    initStep
    1   21.3 cm  -33.6 cm  -18.5 cm     50 eV   26.1 eV   2.32 nm   2.32 nm       Tissue         msc
    2   21.3 cm  -33.6 cm  -18.5 cm      0 eV     50 eV   6.99 nm   9.31 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 27,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   14.6 cm    -34 cm  -13.8 cm   1.46 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   14.6 cm    -34 cm  -13.8 cm   1.44 keV    21 eV   8.49 nm   8.49 nm       Tissue         msc
    2   14.6 cm    -34 cm  -13.8 cm      0 eV   1.44 keV   105 nm    113 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 26,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   14.1 cm  -35.3 cm  -13.3 cm   7.16 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   14.1 cm  -35.3 cm  -13.3 cm   7.02 keV   133 eV   29.6 nm   29.6 nm       Tissue         msc
    2   14.1 cm  -35.3 cm  -13.3 cm      0 eV   7.02 keV  1.38 um   1.41 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 25,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   16.7 cm    -32 cm  -15.1 cm   1.87 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   16.7 cm    -32 cm  -15.1 cm   1.86 keV    11 eV   7.42 nm   7.42 nm       Tissue         msc
    2   16.7 cm    -32 cm  -15.1 cm      0 eV   1.86 keV   153 nm    161 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 24,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   16.2 cm  -30.7 cm  -15.4 cm   3.63 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   16.2 cm  -30.7 cm  -15.4 cm   3.44 keV   187 eV   24.9 nm   24.9 nm       Tissue         msc
    2   16.2 cm  -30.7 cm  -15.4 cm      0 eV   3.44 keV   412 nm    437 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 23,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   15.5 cm  -30.8 cm  -16.2 cm   1.85 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   15.5 cm  -30.8 cm  -16.2 cm   1.85 keV     0 eV   7.28 nm   7.28 nm       Tissue         msc
    2   15.5 cm  -30.8 cm  -16.2 cm      0 eV   1.85 keV   152 nm    160 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 22,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0     13 cm  -28.2 cm    -18 cm   11.1 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1     13 cm  -28.2 cm    -18 cm     11 keV  41.8 eV    131 nm    131 nm       Tissue         msc
    2     13 cm  -28.2 cm    -18 cm      0 eV     11 keV  3.04 um   3.17 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 21,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   19.6 cm  -27.3 cm  -16.8 cm   4.61 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   19.6 cm  -27.3 cm  -16.8 cm   4.57 keV  36.4 eV   27.7 nm   27.7 nm       Tissue         msc
    2   19.6 cm  -27.3 cm  -16.8 cm      0 eV   4.57 keV   663 nm    691 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 20,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   22.1 cm  -24.3 cm  -9.34 cm   9.97 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   22.1 cm  -24.3 cm  -9.34 cm   9.39 keV   580 eV   89.8 nm   89.8 nm       Tissue         msc
    2   22.1 cm  -24.3 cm  -9.34 cm      0 eV   9.39 keV  2.29 um   2.38 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 19,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   24.6 cm  -24.3 cm  -9.91 cm    6.4 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   24.6 cm  -24.3 cm  -9.91 cm   5.61 keV   787 eV   45.2 nm   45.2 nm       Tissue         msc
    2   24.6 cm  -24.3 cm  -9.91 cm      0 eV   5.61 keV   940 nm    985 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 18,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   24.9 cm  -23.9 cm  -9.62 cm   10.9 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   24.9 cm  -23.9 cm  -9.62 cm   10.9 keV  9.33 eV   87.1 nm   87.1 nm       Tissue         msc
    2   24.9 cm  -23.9 cm  -9.62 cm      0 eV   10.9 keV  2.95 um   3.04 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 17,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   24.9 cm  -22.8 cm  -10.1 cm   5.15 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   24.9 cm  -22.8 cm  -10.1 cm   5.13 keV  17.9 eV   24.2 nm   24.2 nm       Tissue         msc
    2   24.9 cm  -22.8 cm  -10.1 cm      0 eV   5.13 keV   803 nm    827 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 16,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   27.8 cm    -19 cm  -16.7 cm   3.64 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   27.8 cm    -19 cm  -16.7 cm   3.59 keV    47 eV   14.5 nm   14.5 nm       Tissue         msc
    2   27.8 cm    -19 cm  -16.7 cm      0 eV   3.59 keV   442 nm    457 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 15,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0     27 cm  -17.6 cm  -31.6 cm   48.1 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1     27 cm  -17.6 cm  -31.6 cm   45.1 keV  3.08 keV  2.12 um   2.12 um       Tissue         msc
    2     27 cm  -17.6 cm  -31.6 cm      0 eV   45.1 keV  38.2 um   40.4 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 14,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   26.3 cm  -20.3 cm  -30.2 cm   66.6 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   26.3 cm  -20.3 cm  -30.2 cm   64.4 keV  2.27 keV  2.85 um   2.85 um       Tissue         msc
    2   26.3 cm  -20.3 cm  -30.2 cm   22.1 keV  32.2 keV  54.5 um   57.3 um       Tissue       eIoni
    3   26.3 cm  -20.3 cm  -30.2 cm      0 eV   22.1 keV  10.5 um   67.8 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 31,   Parent ID = 14
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   26.3 cm  -20.3 cm  -30.2 cm   10.1 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   26.3 cm  -20.3 cm  -30.2 cm     10 keV  28.6 eV    116 nm    116 nm       Tissue         msc
    2   26.3 cm  -20.3 cm  -30.2 cm      0 eV     10 keV  2.56 um   2.67 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 13,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   29.6 cm  -13.7 cm  -15.7 cm   30.8 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   29.6 cm  -13.7 cm  -15.7 cm   26.2 keV  4.57 keV   917 nm    917 nm       Tissue         msc
    2   29.6 cm  -13.7 cm  -15.7 cm      0 eV   26.2 keV  14.3 um   15.2 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 12,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   29.6 cm  -13.4 cm  -15.5 cm   90.4 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   29.6 cm  -13.4 cm  -15.5 cm   86.9 keV  3.53 keV  3.34 um   3.34 um       Tissue         msc
    2   29.6 cm  -13.4 cm  -15.5 cm      0 eV   86.9 keV   124 um    127 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 11,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0     27 cm  -12.8 cm  -15.2 cm   24.6 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1     27 cm  -12.8 cm  -15.2 cm   22.9 keV  1.73 keV   683 nm    683 nm       Tissue         msc
    2     27 cm  -12.8 cm  -15.2 cm      0 eV   22.9 keV  11.2 um   11.9 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 10,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   25.2 cm  -11.2 cm  -14.8 cm   92.7 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   25.2 cm  -11.2 cm  -14.8 cm   91.3 keV  1.42 keV  5.31 um   5.31 um       Tissue         msc
    2   25.2 cm  -11.2 cm  -14.8 cm   54.1 keV  6.67 keV  21.2 um   26.5 um       Tissue       eIoni
    3   25.2 cm  -11.2 cm  -14.8 cm      0 eV   54.1 keV  53.2 um   79.7 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 32,   Parent ID = 10
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   25.2 cm  -11.2 cm  -14.8 cm   30.6 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   25.2 cm  -11.2 cm  -14.8 cm   30.2 keV   380 eV    660 nm    660 nm       Tissue         msc
    2   25.2 cm  -11.2 cm  -14.8 cm      0 eV   30.2 keV  18.4 um   19.1 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 9,   Parent ID = 8
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   20.4 cm  -11.4 cm  -12.2 cm   51.6 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   20.4 cm  -11.4 cm  -12.2 cm   50.7 keV   891 eV   2.13 um   2.13 um       Tissue         msc
    2   20.4 cm  -11.4 cm  -12.2 cm      0 eV   50.7 keV  47.1 um   49.2 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = gamma,   Track ID = 7,   Parent ID = 4
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0    272 um   86.6 um    196 um    511 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -8.89 cm      5 cm   5.37 cm    503 keV     0 eV   11.5 cm   11.5 cm       Tissue       compt
    2  -9.61 cm   5.55 cm      6 cm    309 keV     0 eV    1.1 cm   12.6 cm       Tissue       compt
    3  -9.48 cm   5.51 cm   6.51 cm    160 keV     0 eV   5.24 mm   13.2 cm       Tissue       compt
    4   -8.5 cm   7.55 cm   4.88 cm    108 keV     0 eV   2.79 cm     16 cm       Tissue       compt
    5    -10 cm   7.37 cm   5.16 cm   79.6 keV     0 eV   1.57 cm   17.5 cm       Tissue       compt
    6  -7.94 cm   8.62 cm    6.5 cm   75.3 keV     0 eV   2.78 cm   20.3 cm       Tissue       compt
    7  -7.77 cm   15.3 cm   9.79 cm   60.8 keV     0 eV    7.4 cm   27.7 cm       Tissue       compt
    8  -2.96 mm      6 cm   11.5 cm   50.7 keV     0 eV     12 cm   39.7 cm       Tissue       compt
    9  -1.38 cm   6.31 cm     12 cm   49.1 keV     0 eV   1.24 cm     41 cm       Tissue       compt
   10  -5.58 cm   4.89 cm   11.2 cm   41.5 keV     0 eV    4.5 cm   45.5 cm       Tissue       compt
   11     -2 cm   8.39 cm   12.9 cm   41.3 keV     0 eV   5.29 cm   50.8 cm       Tissue       compt
   12  -1.36 cm   8.73 cm   13.4 cm   36.6 keV     0 eV   8.71 mm   51.6 cm       Tissue       compt
   13  -7.09 cm   9.96 cm   13.8 cm   34.7 keV     0 eV   5.88 cm   57.5 cm       Tissue       compt
   14  -7.12 cm   9.97 cm   13.7 cm      0 eV    543 eV   1.34 mm   57.6 cm       Tissue        phot

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 46,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -7.12 cm   9.97 cm   13.7 cm   34.1 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -7.12 cm   9.97 cm   13.7 cm   33.7 keV   460 eV    678 nm    678 nm       Tissue         msc
    2  -7.12 cm   9.98 cm   13.7 cm      0 eV   33.7 keV  22.5 um   23.2 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 45,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -7.09 cm   9.96 cm   13.8 cm   1.91 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -7.09 cm   9.96 cm   13.8 cm   1.88 keV  33.5 eV   7.51 nm   7.51 nm       Tissue         msc
    2  -7.09 cm   9.96 cm   13.8 cm      0 eV   1.88 keV   156 nm    164 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 44,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -1.36 cm   8.73 cm   13.4 cm   4.73 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -1.36 cm   8.73 cm   13.4 cm   4.41 keV   318 eV   40.9 nm   40.9 nm       Tissue         msc
    2  -1.36 cm   8.73 cm   13.4 cm      0 eV   4.41 keV   623 nm    664 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 43,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0     -2 cm   8.39 cm   12.9 cm    224 eV      0 eV      0 fm      0 fm       Tissue    initStep
    1     -2 cm   8.39 cm   12.9 cm    203 eV     21 eV    2.6 nm    2.6 nm       Tissue         msc
    2     -2 cm   8.39 cm   12.9 cm      0 eV    203 eV   14.1 nm   16.7 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 42,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -5.58 cm   4.89 cm   11.2 cm   7.57 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -5.58 cm   4.89 cm   11.2 cm   7.13 keV   440 eV   91.5 nm   91.5 nm       Tissue         msc
    2  -5.58 cm   4.89 cm   11.2 cm      0 eV   7.13 keV  1.42 um   1.51 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 41,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -1.38 cm   6.31 cm     12 cm   1.63 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -1.38 cm   6.31 cm     12 cm   1.61 keV  24.2 eV   10.3 nm   10.3 nm       Tissue         msc
    2  -1.38 cm   6.31 cm     12 cm      0 eV   1.61 keV   123 nm    133 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 40,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -2.96 mm      6 cm   11.5 cm   10.1 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -2.96 mm      6 cm   11.5 cm     10 keV   108 eV    132 nm    132 nm       Tissue         msc
    2  -2.96 mm      6 cm   11.5 cm      0 eV     10 keV  2.54 um   2.67 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 39,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -7.77 cm   15.3 cm   9.79 cm   14.5 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -7.77 cm   15.3 cm   9.79 cm   14.1 keV   327 eV    125 nm    125 nm       Tissue         msc
    2  -7.77 cm   15.3 cm   9.79 cm      0 eV   14.1 keV   4.7 um   4.82 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 38,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -7.94 cm   8.62 cm    6.5 cm    4.3 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -7.94 cm   8.62 cm    6.5 cm    4.2 keV   107 eV   32.2 nm   32.2 nm       Tissue         msc
    2  -7.94 cm   8.62 cm    6.5 cm      0 eV    4.2 keV   572 nm    604 nm       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 37,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0    -10 cm   7.37 cm   5.16 cm   28.7 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1    -10 cm   7.37 cm   5.16 cm   28.4 keV   239 eV    545 nm    545 nm       Tissue         msc
    2    -10 cm   7.37 cm   5.16 cm      0 eV   28.4 keV  16.6 um   17.1 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 36,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   -8.5 cm   7.55 cm   4.88 cm     52 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   -8.5 cm   7.55 cm   4.87 cm     51 keV  1.04 keV  2.55 um   2.55 um       Tissue         msc
    2   -8.5 cm   7.56 cm   4.88 cm      0 eV     51 keV  47.6 um   50.1 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 35,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -9.48 cm   5.51 cm   6.51 cm    148 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -9.48 cm   5.51 cm   6.51 cm    143 keV   5.4 keV  13.3 um   13.3 um       Tissue         msc
    2  -9.48 cm    5.5 cm   6.51 cm    119 keV  16.7 keV  58.3 um   71.7 um       Tissue       eIoni
    3  -9.47 cm    5.5 cm   6.51 cm   23.2 keV  83.6 keV   191 um    263 um       Tissue       eIoni
    4  -9.47 cm    5.5 cm   6.52 cm      0 eV   23.2 keV  11.4 um    275 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 48,   Parent ID = 35
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -9.47 cm    5.5 cm   6.51 cm   12.7 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -9.47 cm    5.5 cm   6.52 cm   12.6 keV    21 eV   99.7 nm   99.7 nm       Tissue         msc
    2  -9.47 cm    5.5 cm   6.52 cm      0 eV   12.6 keV  3.83 um   3.93 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 47,   Parent ID = 35
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -9.48 cm    5.5 cm   6.51 cm   6.87 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -9.48 cm    5.5 cm   6.51 cm   6.87 keV  7.02 eV   35.6 nm   35.6 nm       Tissue         msc
    2  -9.48 cm    5.5 cm   6.51 cm      0 eV   6.87 keV  1.33 um   1.36 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 34,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -9.61 cm   5.55 cm      6 cm    195 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -9.61 cm   5.55 cm      6 cm    188 keV  6.35 keV  28.7 um   28.7 um       Tissue         msc
    2  -9.63 cm   5.55 cm   6.01 cm      0 eV    188 keV   467 um    496 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 33,   Parent ID = 7
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -8.89 cm      5 cm   5.37 cm   7.66 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -8.89 cm      5 cm   5.37 cm   7.58 keV  80.3 eV   46.2 nm   46.2 nm       Tissue         msc
    2  -8.89 cm      5 cm   5.37 cm      0 eV   7.58 keV  1.57 um   1.62 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 6,   Parent ID = 4
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   3.04 um  -54.3 um    263 um   7.53 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1   2.99 um  -54.3 um    263 um   7.04 keV   495 eV   92.3 nm   92.3 nm       Tissue         msc
    2   2.48 um  -53.8 um    263 um      0 eV   7.04 keV  1.39 um   1.48 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 5,   Parent ID = 4
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0  -2.58 um  -57.9 um    264 um     36 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -1.57 um    -59 um    264 um     34 keV  2.03 keV  1.48 um   1.48 um       Tissue         msc
    2   5.02 um  -68.6 um    265 um      0 eV     34 keV  22.9 um   24.4 um       Tissue       eIoni

*********************************************************************************************************
* G4Track Information:   Particle = nu_e,   Track ID = 3,   Parent ID = 1
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0      0 fm      0 fm      0 fm    311 keV     0 eV      0 fm      0 fm       Tissue    initStep
    1  -17.1 cm     -1 m   -21.3 cm    311 keV     0 eV   1.04 m    1.04 m    OutOfWorld  Transportation

*********************************************************************************************************
* G4Track Information:   Particle = O18[0.0],   Track ID = 2,   Parent ID = 1
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0      0 fm      0 fm      0 fm   14.2 eV      0 eV      0 fm      0 fm       Tissue    initStep
    1 2.46e+03 fm 4.17e+03 fm -7.46e+03 fm      0 eV   14.2 eV   1.25 nm   1.25 nm       Tissue         msc
    2 2.46e+03 fm 4.17e+03 fm -7.46e+03 fm      0 eV      0 eV      0 fm   1.25 nm       Tissue  RadioactiveDecay

Is there any way to ONLY track one particle, say the e+ positrons?  Or is there a way to only print out the 
informatin for the e+ positrons and not print the info for the other particles seen above?
 
I ask because the above output was only one run and I intend on running it for 50,000 runs, but am only interested
in the e+ positron data.

Thanks,
Matthew Middione 

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1 None: Re: Ignoring certain particles while tracking   (michel maire - 13 Jul, 2007)
(_ Note: Re: Ignoring certain particles while tracking   (Matthew Middione - 13 Jul, 2007)
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