G4FieldManager::G4FieldManager constructor #1:  Used G4ChordFinder argument 0
 navId for original Navigator for tracking is 0
 Located in world 0  used geomLimStp 0  - found in volume   name = 'World' - CopyNo= 0
 test:  input FT =  (  X= 0 0 0  V= 100.51 0 0  v2= 100.51 mdm= 1 l= 0 ) 
                    len = 123 navId = 1 stepNo = 0
 PF::ComputeStep: step= 0 nav = 1 trial-step-len 123 from (0,0,0) dir  (1,0,0)
G4PathFinder::DoNextLinearStep : Navigator [0] -- step size 50
G4PathFinder::DoNextLinearStep : initialPosition : (0,0,0)
G4PathFinder::DoNextLinearStep : endPosition : (50,0,0)
G4PathFinder::PrintLimited reports:   Minimum step (true)= 50  reported min = 50
 Step#   NavId   step-size    Limited:   bool, flag    World 
     0      0         50                1  SharedOther World
 G4PathFinder returns -1 for Navigator 1
 Located in world 0  used geomLimStp 1  - found in volume   name = 'Target 01' - CopyNo= 1
 PF::ComputeStep: step= 0 nav = 1 trial-step-len 123 from (0,0,0) dir  (1,0,0)
 G4PathFinder returns -1 for Navigator 1
 PF::ComputeStep: step= 1 nav = 1 trial-step-len 123 from (50,0,0) dir  (1,0,0)
G4PathFinder::DoNextLinearStep : Navigator [0] -- step size 9e+99
G4PathFinder::DoNextLinearStep : initialPosition : (50,0,0)
G4PathFinder::DoNextLinearStep : endPosition : (173,0,0)
G4PathFinder::PrintLimited reports:   Minimum step (true)= 123  reported min = 9e+99
 Step#   NavId   step-size    Limited:   bool, flag    World 
     1      0        123                1  SharedOther World
 G4PathFinder returns -1 for Navigator 1
 Located in world 0  used geomLimStp 1  - found in volume   name = 'Target 01' - CopyNo= 1
 Step 1 is the last one.
 Step 1 is the last one.