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/** \file LaserPrimaryGeneratorAction.cc
*
*
* $Date: 2007/03/20 12:01:01 $
* $Revision: 1.2 $
* \author Maarten Thomas
*/
#include "Alignment/LaserAlignmentSimulation/interface/LaserPrimaryGeneratorAction.h"
#include "SimG4Core/Notification/interface/GenParticleInfo.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include <CLHEP/Units/SystemOfUnits.h>
LaserPrimaryGeneratorAction::LaserPrimaryGeneratorAction(edm::ParameterSet const &theConf)
: thePhotonEnergy(0),
thenParticleInGun(0),
thenParticle(0),
theLaserBeamsInTEC1(),
theLaserBeamsInTEC2(),
theLaserBeamsInTECTIBTOBTEC() {
// {{{ LaserPrimaryGeneratorAction constructor
// get the PhotonEnergy from the parameter set
thePhotonEnergy = theConf.getUntrackedParameter<double>("PhotonEnergy", 1.15) * CLHEP::eV;
// number of particles in the Laser beam
thenParticleInGun = theConf.getUntrackedParameter<int>("NumberOfPhotonsInParticleGun", 1);
// number of particles in one beam. ATTENTION: each beam contains
// nParticleInGun with the same startpoint and direction. nParticle gives the
// number of particles in the beam with a different startpoint. They are used
// to simulate the gaussian beamprofile of the Laser Beams.
thenParticle = theConf.getUntrackedParameter<int>("NumberOfPhotonsInEachBeam", 1);
// create a messenger for this class
// theGunMessenger = new LaserPrimaryGeneratorMessenger(this);
// create the beams in the right endcap
theLaserBeamsInTEC1 = new LaserBeamsTEC1(thenParticleInGun, thenParticle, thePhotonEnergy);
// create the beams in the left endcap
theLaserBeamsInTEC2 = new LaserBeamsTEC2(thenParticleInGun, thenParticle, thePhotonEnergy);
// create the beams to connect the TECs with TOB and TIB
theLaserBeamsInTECTIBTOBTEC = new LaserBeamsBarrel(thenParticleInGun, thenParticle, thePhotonEnergy);
// }}}
}
LaserPrimaryGeneratorAction::~LaserPrimaryGeneratorAction() {
// {{{ LaserPrimaryGeneratorAction destructor
if (theLaserBeamsInTEC1 != nullptr) {
delete theLaserBeamsInTEC1;
}
if (theLaserBeamsInTEC2 != nullptr) {
delete theLaserBeamsInTEC2;
}
if (theLaserBeamsInTECTIBTOBTEC != nullptr) {
delete theLaserBeamsInTECTIBTOBTEC;
}
// }}}
}
void LaserPrimaryGeneratorAction::GeneratePrimaries(G4Event *myEvent) {
// {{{ GeneratePrimaries (G4Event * myEvent)
// this function is called at the beginning of an Event in
// LaserAlignment::upDate(const BeginOfEvent * myEvent)
LogDebug("LaserPrimaryGeneratorAction") << "<LaserPrimaryGeneratorAction::GeneratePrimaries(G4Event*)>: create a "
"new Laser Event";
// shoot in the right endcap
theLaserBeamsInTEC1->GeneratePrimaries(myEvent);
// shoot in the left endcap
theLaserBeamsInTEC2->GeneratePrimaries(myEvent);
// shoot in the barrel
theLaserBeamsInTECTIBTOBTEC->GeneratePrimaries(myEvent);
// loop over all the generated vertices, get the primaries and set the user
// information
int theID = 0;
for (int i = 1; i < myEvent->GetNumberOfPrimaryVertex(); i++) {
G4PrimaryVertex *theVertex = myEvent->GetPrimaryVertex(i);
for (int j = 0; j < theVertex->GetNumberOfParticle(); j++) {
G4PrimaryParticle *thePrimary = theVertex->GetPrimary(j);
setGeneratorId(thePrimary, theID);
theID++;
}
}
// }}}
}
void LaserPrimaryGeneratorAction::setGeneratorId(G4PrimaryParticle *aParticle, int ID) const {
// {{{ SetGeneratorId(G4PrimaryParticle * aParticle, int ID) const
/* *********************************************************************** */
/* OSCAR expacts each G4PrimaryParticle to have some User Information *
* therefore this function have been implemented */
/* *********************************************************************** */
aParticle->SetUserInformation(new GenParticleInfo(ID));
// }}}
}
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