Steering routine to Track one Particle

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| Geant 3.10  |               GEANT User's Guide              | TRAK120  ##
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Author(s) : R.Brun Submitted: 01.10.84 Origin : R.Brun,F.Bruyant,M.Maire Revised: 26.05.86

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                    |CALL GTRACK  |
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Controls the tracking at track level

Called by GUTRAK.

      GTRACK Block Diagram
                                  

Initialize step for all mechanisms
Initialize physics processes
CALL GTSET
Initial volume and tracking medium
 NLEVEL,NAMES,NUMBER,...,NUMED
 CALL GMEDIA
If new tracking medium,
get material and tracking medium parameters
Get Detecto Set name, number
 CALL GFINDS
 INWVOL = 1
 CALL GUSTEP
 CALL GTVOL
ISTOP = 0  ?                                                  YES