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Question GPS Command ignored 

Keywords: General Particle Source
Forum: Particles
Date: 02 Sep, 2005
From: Nirmal Painuly <>

I am simulating a detector which require  multiple microplanar beams originating 
from same source. Simulation runs fine with one source without using GPS 
,however, when I try to run it using GPS it says </gps/hist/point  
command not found. ****** command ignored. I have replaced G4ParticleGun with 
G4GeneralParticleSource in "PrimaryGeneratorAction".
I am using spectrum in GPS which looks like this. 
/gps/particle  gamma
/gps/pos/type  Plane
/gps/pos/shape  Rectangle
/gps/pos/halfx   0.025 mm
/gps/pos/halfy   0.0125 mm
/gps/direction  0 0 1
# energy spectrum
/gps/ene/type User
/gps/ene/emspec  True
/gps/hist/type  energy
/gps/hist/point  1000  0
/gps/hist/point  35000  4498

/gps/hist/point  40000  120890
/gps/hist/point  600000  15
/tracking/verbose 1
/run/beamOn 1000

Thanks in anticipation.

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