G4EicDircOpBoundaryProcess.cc

Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file G4EicDircOpBoundaryProcess.cc

#include "G4EicDircOpBoundaryProcess.h"

#include <Geant4/G4Step.hh>
#include <Geant4/G4TouchableHistory.hh>
#include <Geant4/G4Track.hh>

#include <set>

G4VParticleChange* G4EicDircOpBoundaryProcess::PostStepDoIt(const G4Track& aTrack, const G4Step& aStep)
{
  G4StepPoint* pPreStepPoint = aStep.GetPreStepPoint();
  G4StepPoint* pPostStepPoint = aStep.GetPostStepPoint();
  G4VParticleChange* pParticleChange = G4OpBoundaryProcess::PostStepDoIt(aTrack, aStep);
  // static std::set<std::string> prevol;
  // static std::set<std::string> postvol;
  // std::string prevolnam = pPreStepPoint->GetPhysicalVolume()->GetName();
  // if (prevol.find(prevolnam) == prevol.end())
  // {
  //   std::cout << "PreStep in " <<prevolnam << std::endl;
  //   prevol.insert(prevolnam);
  // }
  // std::string postvolnam = pPostStepPoint->GetPhysicalVolume()->GetName();
  // if (postvol.find(postvolnam) == postvol.end())
  // {
  //   std::cout << "PostStep in " <<postvolnam       << std::endl;
  //   postvol.insert(postvolnam);
  // }

  // int parentId = aTrack.GetParentID();
  // std::cout<<"parentId   "<<parentId <<std::endl;
  // if(parentId==1) pParticleChange->ProposeTrackStatus(fStopAndKill);

  /*double endofbar = 0.5*(4200+4*0.05); //1250/2.;
  
  // ideal focusing
//  if(PrtManager::Instance()->GetLens() == 10)
{
    G4ThreeVector theGlobalPoint1 = pPostStepPoint->GetPosition();
    G4TouchableHistory* touchable = (G4TouchableHistory*)(pPostStepPoint->GetTouchable());
    G4ThreeVector lpoint =  touchable->GetHistory()->GetTransform( 1 ).TransformPoint(theGlobalPoint1);
    if(lpoint.getZ() < endofbar+0.0001 && lpoint.getZ() > endofbar-0.0001){
      G4ThreeVector ww  = pPreStepPoint->GetTouchableHandle()->GetHistory()->
  GetTopTransform().Inverse().TransformPoint(G4ThreeVector(0,0,endofbar));

      if(aStep.GetPreStepPoint()->GetPhysicalVolume()->GetName()!="wGlue") 
  pParticleChange->ProposeTrackStatus(fStopAndKill);
      else
  aParticleChange.ProposePosition(ww.getX(), ww.getY(),lpoint.getZ()-0.0005);
      return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
    }
 }

 {  
  pParticleChange->ProposeTrackStatus(fStopAndKill);
    if(pPreStepPoint->GetPosition().z() < endofbar) pParticleChange->ProposeTrackStatus(fStopAndKill);
    }

 if(aStep.GetPostStepPoint()->GetPhysicalVolume()->GetName()=="wExpVol" && pPostStepPoint->GetPosition().z()<pPreStepPoint->GetPosition().z()){
    pParticleChange->ProposeTrackStatus(fStopAndKill);
    }*/

  if (aStep.GetPreStepPoint()->GetPhysicalVolume()->GetName() == "wLens3" && pPostStepPoint->GetPosition().z() > pPreStepPoint->GetPosition().z())
  {
    pParticleChange->ProposeTrackStatus(fStopAndKill);
  }

  // kill photons outside bar and prizm

  if (GetStatus() == FresnelRefraction && aStep.GetPostStepPoint()->GetPhysicalVolume()->GetName() == "wDirc")
  {
    pParticleChange->ProposeTrackStatus(fStopAndKill);
  }

  if ((aStep.GetPreStepPoint()->GetPhysicalVolume()->GetName() == "wLens1" || aStep.GetPreStepPoint()->GetPhysicalVolume()->GetName() == "wLens2") && aStep.GetPostStepPoint()->GetPhysicalVolume()->GetName() == "wDirc")
  {
    pParticleChange->ProposeTrackStatus(fStopAndKill);
  }

  // // black edge of the lens3
  // if((aStep.GetPreStepPoint()->GetPhysicalVolume()->GetName()=="wLens3"
  //     &&  aStep.GetPostStepPoint()->GetPhysicalVolume()->GetName()=="wDirc")
  //    || (aStep.GetPreStepPoint()->GetPhysicalVolume()->GetName()=="wLens3"
  //   &&  aStep.GetPostStepPoint()->GetPhysicalVolume()->GetName()=="wLens3")){
  //   pParticleChange->ProposeTrackStatus(fStopAndKill);
  // }

  if (aStep.GetPreStepPoint()->GetPhysicalVolume()->GetName() == "wLens1" && aStep.GetPostStepPoint()->GetPhysicalVolume()->GetName() == "wLens1")
  {
    pParticleChange->ProposeTrackStatus(fStopAndKill);
  }
  if (aStep.GetPreStepPoint()->GetPhysicalVolume()->GetName() == "wLens2" && aStep.GetPostStepPoint()->GetPhysicalVolume()->GetName() == "wLens2")
  {
    pParticleChange->ProposeTrackStatus(fStopAndKill);
  }

  return pParticleChange;
}