Message: FarOutsideCurrentVolume exceptions  Not Logged In (login) 
Hi,
I am having a Problem with FarOutsideCurrentVolume exceptions. My geometrical setup it the following: There is a core (WCCore) surrounded by an annulus (WCBarrelAnnulus). The annulus is divided in cells (WCBarrelCell) using ZPhi replicas. All Volumes are polyhedra and filled with water. Everything is embedded in the WCBox volume. I am appending a dump of these volumes. When I run the simulation with /geometry/navigator/check_mode true it crashes with the following output:
Step# X(mm) Y(mm) Z(mm) KinE(MeV) dE(MeV) StepLeng TrackLeng NextVolume ProcName 0 4.58e+03 1.45e+04 1.79e+04 2.81e06 0 0 0 WCCore initStep 1 3.02e+03 1.66e+04 1.51e+04 2.81e06 0 3.86e+03 3.86e+03 WCBox Transportation 2 3.02e+03 1.66e+04 1.51e+04 2.81e06 0 0 3.86e+03 WCCore Transportation 3 1.21e+04 1.19e+04 1.87e+03 2.81e06 0 2.32e+04 2.7e+04 WCBarrelCell Transportation WARNING  G4ReplicaNavigation::ComputeStep() Point (16674.257,2788.9713,1865.4617) is outside current volume WCBarrelAnnulus Estimated isotropic distance to solid (distToIn)= 45.743315
*** G4Exception : FarOutsideCurrentVolume issued by : G4ReplicaNavigation::ComputeStep() Point is far outside Current Volume ! *** Fatal Exception *** core dump *** *** G4Exception: Aborting execution *** Abort The point where the error occurs is different for every run, but is outside of annulus every time. How can I figure out, why Geant4 assumes, that the particle should be inside the annulus?
The Volumes:  *** Dump for solid  WCCore *** =================================================== Solid type: G4Polyhedra Parameters: starting phi angle : 18 degrees ending phi angle : 378 degrees number of Z planes: 2 Z values: Z plane 0: 17920 Z plane 1: 17920 Tangent distances to inner surface (Rmin): Z plane 0: 0 Z plane 1: 0 Tangent distances to outer surface (Rmax): Z plane 0: 17580.4 Z plane 1: 17580.4 number of RZ points: 4 RZ values (corners): 0, 17920 0, 17920 17580.4, 17920 17580.4, 17920  Checking overlaps for volume WCCore ... OK!
 *** Dump for solid  WCBarrelAnnulus *** =================================================== Solid type: G4Polyhedra Parameters: starting phi angle : 18 degrees ending phi angle : 378 degrees number of Z planes: 2 Z values: Z plane 0: 5997 Z plane 1: 5997 Tangent distances to inner surface (Rmin): Z plane 0: 17580.4 Z plane 1: 17580.4 Tangent distances to outer surface (Rmax): Z plane 0: 17959 Z plane 1: 17959 number of RZ points: 4 RZ values (corners): 17580.4, 5997 17580.4, 5997 17959, 5997 17959, 5997  Checking overlaps for volume WCBarrelAnnulus ... OK!
 *** Dump for solid  WCBarrelCell *** =================================================== Solid type: G4Polyhedra Parameters: starting phi angle : 0 degrees ending phi angle : 36 degrees number of Z planes: 2 Z values: Z plane 0: 5997 Z plane 1: 5997 Tangent distances to inner surface (Rmin): Z plane 0: 17580.4 Z plane 1: 17580.4 Tangent distances to outer surface (Rmax): Z plane 0: 17959 Z plane 1: 17959 number of RZ points: 4 RZ values (corners): 17580.4, 5997 17580.4, 5997 17959, 5997 17959, 5997 

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