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Stuck Track in DRICH

Open veprbl opened this issue 1 year ago • 0 comments

Environment: (where does this bug occur, have you tried other environments)

  • Which branch (main for latest released):
  • Which revision (HEAD for the most recent):
  • Any specific OS or system where the issue occurs?
  • Any special versions of ROOT or Geant4?

Steps to reproduce: (give a step by step account of how to trigger the bug)

  1. Simulate pythia8NCDIS_10x100_minQ2=1_beamEffects_xAngle=-0.025_hiDiv_1.hepmc with ePIC 23.12.0 / 103f90e

Expected Result: (what do you expect when you execute the steps above)

Actual Result: (what do you get when you execute the steps above)

-------- WWWW ------- G4Exception-START -------- WWWW -------*** G4Exception : GeomNav1002     
      issued by : G4Navigator::ComputeStep()
Stuck Track: potential geometry or navigation problem.
  Track stuck, not moving for 10 steps.
  Current  phys volume: 'DRICH_15'
   - at position : (683.4987745786239,642.6320077023832,2017.750128740611)
     in direction: (-0.575234492402894,-0.1585238328352931,0.8024808241778695)
    (local position: (683.4987745786239,642.6320077023832,-632.2498712593892))
    (local direction: (-0.575234492402894,-0.1585238328352931,0.8024808241778695)).
  Previous phys volume: 'DRICH_gas_0'

  Likely geometry overlap - else navigation problem !
   *** Trying to get *unstuck* using a push - expanding step to 1e-07 (mm) ...       Potential overlap in geometry !

*** This is just a warning message. ***
-------- WWWW -------- G4Exception-END --------- WWWW -------

veprbl avatar Feb 09 '24 16:02 veprbl