Inheritance diagram for ParticleGun_FastCalo_ChargeFlip_Config.MyParticleSampler:

Collaboration diagram for ParticleGun_FastCalo_ChargeFlip_Config.MyParticleSampler:

Public Member Functions
def	__init__ (self, energy, eta, pid, shift_z=0)

def	shoot (self)

Public Attributes
	pid

	shift_z

	mom1

Detailed Description

Definition at line 10 of file ParticleGun_FastCalo_ChargeFlip_Config.py.

Constructor & Destructor Documentation

◆ init()

def ParticleGun_FastCalo_ChargeFlip_Config.MyParticleSampler.__init__	(	self,
		energy,
		eta,
		pid,
		shift_z = `0`
	)

Definition at line 11 of file ParticleGun_FastCalo_ChargeFlip_Config.py.

     def __init__(self,energy,eta,pid,shift_z=0):
         self.pid = pid
         self.shift_z = shift_z
         pdg_table = ROOT.TDatabasePDG.Instance() #Gives values in GeV
         mass = pdg_table.GetParticle(self.pid()).Mass()*1000.
         self.mom1 = PG.EEtaMPhiSampler(energy=energy,eta=eta,mass=mass)
  

Member Function Documentation

◆ shoot()

def ParticleGun_FastCalo_ChargeFlip_Config.MyParticleSampler.shoot ( self )

Definition at line 18 of file ParticleGun_FastCalo_ChargeFlip_Config.py.

     def shoot(self):
         pid = self.pid()
         
         shift_z = self.shift_z
  
         mom = self.mom1.shoot()
         pos_temp = mom.Vect().Unit()
         
         # Would it hit the barrel, or the endcap?
         if abs(pos_temp.Z())/3550.<pos_temp.Perp()/1148.: # Hit the barrel!
             pos_temp *= 1148./pos_temp.Perp()
         else: # Hit the endcap!
             pos_temp *= 3550./abs(pos_temp.Z())
  
         # Shift position of vector in the Z direction
         pos_temp_2 = ROOT.TVector3()
         pos_temp_2.SetXYZ(pos_temp.X(), pos_temp.Y(), pos_temp.Z()+shift_z)
         pos_temp_2 *= 1. / pos_temp_2.Mag(); # reduce magnitude of vector
  
         # recalculate; Would it hit the barrel, or the endcap?
         if abs(pos_temp_2.Z())/3550.<pos_temp_2.Perp()/1148.:
             pos_temp_2 *= 1148./pos_temp_2.Perp()
         else:
             pos_temp_2 *= 3550./abs(pos_temp_2.Z())
  
         pos = ROOT.TLorentzVector(pos_temp_2.X(),pos_temp_2.Y(),pos_temp_2.Z(), pos_temp_2.Mag())
         
         #print "pid ",pid
         
         return [ PG.SampledParticle( pid , mom , pos ) ]
  