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1 | |
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2 | SUBROUTINE GUTRAK |
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3 | * |
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4 | * User routine to control tracking of one track |
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5 | * Called by GTREVE |
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6 | * |
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7 | #include "geant321/gckine.inc" |
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8 | #include "geant321/gctrak.inc" |
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9 | #include "celoss.inc" |
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10 | #include "histo.inc" |
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11 | * |
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12 | * *** per track initialisations |
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13 | * |
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14 | * *** process a track |
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15 | CALL GTRACK |
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16 | * |
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17 | * *** count track length of primary particle |
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18 | if (istak.eq.0) then |
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19 | TrLen = TrLen + sleng |
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20 | TrLen2 = TrLen2 + sleng*sleng |
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21 | * |
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22 | xLen = vect(1) - vert(1) |
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23 | XTrLen = XTrLen + xLen |
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24 | XTrLen2 = XTrLen2 + xLen*xLen |
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25 | * |
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26 | NbStep = NbStep + nstep |
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27 | NbStep2 = NbStep2 + nstep*nstep |
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28 | * |
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29 | stepsize = sleng/nstep |
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30 | StepLen = StepLen + stepsize |
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31 | StepLen2 = StepLen2 + stepsize*stepsize |
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32 | endif |
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33 | * |
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34 | * *** absorbed, transmited, reflected ? |
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35 | if (istak.eq.0) then |
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36 | i = 1 |
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37 | if (inwvol.eq.3) then |
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38 | i = 2 |
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39 | if (vect(4).le.0.) i = 3 |
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40 | endif |
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41 | kcoef(i) = kcoef(i) + 1 |
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42 | endif |
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43 | * |
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44 | * *** histo track length |
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45 | ih = 0 |
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46 | if (istak.eq.0) ih = 3 |
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47 | if (istak*charge.ne.0.) ih = 6 |
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48 | if ((ih.gt.0).and.(histo(ih))) |
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49 | & call hfill (ih,sleng/histUnit(ih),0.,1.) |
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50 | * |
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51 | * *** histo projected range of primary |
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52 | if (istak.eq.0) then |
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53 | ih = 5 |
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54 | if (histo(ih)) call hfill (ih,xLen/histUnit(ih),0.,1.) |
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55 | endif |
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56 | * |
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57 | END |
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