ExN01DetectorConstruction Class Reference

#include <ExN01DetectorConstruction.hh>

Inheritance diagram for ExN01DetectorConstruction:

Public Member Functions
virtual void	CloneF ()
virtual void	CloneSD ()
G4VPhysicalVolume *	Construct ()
G4int	ConstructParallelGeometries ()
void	ConstructParallelSD ()
virtual void	ConstructSDandField ()
	ExN01DetectorConstruction ()
G4int	GetNumberOfParallelWorld () const
G4VUserParallelWorld *	GetParallelWorld (G4int i) const
void	RegisterParallelWorld (G4VUserParallelWorld *)
	~ExN01DetectorConstruction ()

Protected Member Functions
void	SetSensitiveDetector (const G4String &logVolName, G4VSensitiveDetector *aSD, G4bool multi=false)
void	SetSensitiveDetector (G4LogicalVolume *logVol, G4VSensitiveDetector *aSD)

Private Attributes
G4LogicalVolume *	calorimeterBlock_log
G4VPhysicalVolume *	calorimeterBlock_phys
G4LogicalVolume *	calorimeterLayer_log
G4VPhysicalVolume *	calorimeterLayer_phys
G4LogicalVolume *	experimentalHall_log
G4VPhysicalVolume *	experimentalHall_phys
std::vector< G4VUserParallelWorld * >	parallelWorld
G4LogicalVolume *	tracker_log
G4VPhysicalVolume *	tracker_phys

Detailed Description

Definition at line 47 of file ExN01DetectorConstruction.hh.

Constructor & Destructor Documentation

ExN01DetectorConstruction()

ExN01DetectorConstruction::ExN01DetectorConstruction

(

)

Definition at line 48 of file ExN01DetectorConstruction.cc.

  :  experimentalHall_log(0), tracker_log(0),
     calorimeterBlock_log(0), calorimeterLayer_log(0),
     experimentalHall_phys(0), calorimeterLayer_phys(0),
     calorimeterBlock_phys(0), tracker_phys(0)
{
}

~ExN01DetectorConstruction()

ExN01DetectorConstruction::~ExN01DetectorConstruction

(

)

Definition at line 58 of file ExN01DetectorConstruction.cc.

{
}

Member Function Documentation

CloneF()

void G4VUserDetectorConstruction::CloneF ( )

virtualinherited

Definition at line 126 of file G4VUserDetectorConstruction.cc.

{
  using FMtoFMmap = std::map<G4FieldManager*, G4FieldManager*>;
  using FMpair = std::pair<G4FieldManager*, G4FieldManager*>;
 
  FMtoFMmap masterToWorker;
  G4LogicalVolumeStore* const logVolStore = G4LogicalVolumeStore::GetInstance();
  for(auto it = logVolStore->cbegin(); it != logVolStore->cend(); ++it)
  {
    G4LogicalVolume* g4LogicalVolume = *it;
    // Use shadow of master to get instance of FM
    G4FieldManager* masterFM = nullptr;  // g4LogicalVolume->fFieldManager;
    G4FieldManager* clonedFM = nullptr;
    if(masterFM != nullptr)
    {
      auto fmFound = masterToWorker.find(masterFM);
      if(fmFound == masterToWorker.cend())
      {
        // First time we see this SD, let's clone and remember...
        try
        {
          auto insertedEl =
               masterToWorker.insert(FMpair(masterFM, masterFM->Clone()));
          clonedFM = (insertedEl.first)->second;
        } catch(...)
        {
          G4ExceptionDescription msg;
          msg << "Cloning of G4FieldManager failed."
              << " But derived class does not implement cloning. Cannot "
                 "continue.";
          G4Exception("G4VUserDetectorConstruction::CloneSD()", "Run0053",
                      FatalException, msg);
        }
      }
      else
      {
        // We have already seen this SD attached to a different LogicalVolume,
        // let's re-use previous clone
        clonedFM = (*fmFound).second;
      }
    }  // masterFM != 0
    // Note that we do not push FM to daughters (false argument), however, since
    // we area looping on all logical volumes and we implemented the "trick" of
    // the map master<->cloned the final effect is the same as using here the
    // correct Boolean flag: log-volumes that originally were sharing the same
    // FM they will have cloned ones
    g4LogicalVolume->SetFieldManager(clonedFM, false);
  }
}

References G4FieldManager::Clone(), FatalException, G4Exception(), G4LogicalVolumeStore::GetInstance(), second, and G4LogicalVolume::SetFieldManager().

CloneSD()

void G4VUserDetectorConstruction::CloneSD ( )

virtualinherited

Definition at line 177 of file G4VUserDetectorConstruction.cc.

{
  // Loop on ALL logial volumes to search for attached SD
  G4LogicalVolumeStore* const logVolStore = G4LogicalVolumeStore::GetInstance();
 
  using SDtoSDmap = std::map<G4VSensitiveDetector*, G4VSensitiveDetector*>;
  using SDpair = std::pair<G4VSensitiveDetector*, G4VSensitiveDetector*>;
  SDtoSDmap masterToWorker;
 
  for(auto it = logVolStore->cbegin(); it != logVolStore->cend(); ++it)
  {
    G4LogicalVolume* g4LogicalVolume = *it;
    // Use shadow of master to get the instance of SD
    G4VSensitiveDetector* masterSD = nullptr;
    G4VSensitiveDetector* clonedSD = nullptr;
    if(masterSD != nullptr)
    {
      auto sdFound = masterToWorker.find(masterSD);
      if(sdFound == masterToWorker.cend())
      {
        // First time we see this SD, let's clone and remember...
        try
        {
          auto insertedEl =
               masterToWorker.insert(SDpair(masterSD, masterSD->Clone()));
          clonedSD = (insertedEl.first)->second;
        } catch(...)
        {
          G4ExceptionDescription msg;
          msg << "Cloning of G4VSensitiveDetector requested for:"
              << masterSD->GetName() << "\n"
#ifndef WIN32
              << " (full path name: " << masterSD->GetFullPathName() << ").\n"
#endif
              << " But derived class does not implement cloning. Cannot "
                 "continue.";
          G4Exception("G4VUserDetectorConstruction::CloneSD()", "Run0053",
                      FatalException, msg);
        }
      }
      else
      {
        // We have already seen this SD attached to a different LogicalVolume,
        // let's re-use previous clone
        clonedSD = (*sdFound).second;
      }
    }  // masterSD!=0
    g4LogicalVolume->SetSensitiveDetector(clonedSD);
  }
}

References G4VSensitiveDetector::Clone(), FatalException, G4Exception(), G4VSensitiveDetector::GetFullPathName(), G4LogicalVolumeStore::GetInstance(), G4VSensitiveDetector::GetName(), second, and G4LogicalVolume::SetSensitiveDetector().

Construct()

G4VPhysicalVolume * ExN01DetectorConstruction::Construct ( )

virtual

Implements G4VUserDetectorConstruction.

Definition at line 64 of file ExN01DetectorConstruction.cc.

{
  //------------------------------------------------------ materials
  G4double a;  // atomic mass
  G4double z;  // atomic number
  G4double density;
 
  G4Material* Ar = 
    new G4Material("ArgonGas", z= 18., a= 39.95*g/mole, density= 1.782*mg/cm3);
  
  G4Material* Al = 
    new G4Material("Aluminum", z= 13., a= 26.98*g/mole, density= 2.7*g/cm3);
 
  G4Material* Pb = 
    new G4Material("Lead", z= 82., a= 207.19*g/mole, density= 11.35*g/cm3);
  
  //------------------------------------------------------ volumes
 
  //------------------------------ experimental hall (world volume)
  //------------------------------ beam line along x axis
 
  G4double expHall_x = 3.0*m;
  G4double expHall_y = 1.0*m;
  G4double expHall_z = 1.0*m;
  G4Box* experimentalHall_box
    = new G4Box("expHall_box",expHall_x,expHall_y,expHall_z);
  experimentalHall_log = new G4LogicalVolume(experimentalHall_box,
                                             Ar,"expHall_log",0,0,0);
  experimentalHall_phys = new G4PVPlacement(0,G4ThreeVector(),
                        experimentalHall_log,
                        "expHall",0,false,0);
 
  //------------------------------ a tracker tube
 
  G4double innerRadiusOfTheTube = 0.*cm;
  G4double outerRadiusOfTheTube = 60.*cm;
  G4double hightOfTheTube = 50.*cm;
  G4double startAngleOfTheTube = 0.*deg;
  G4double spanningAngleOfTheTube = 360.*deg;
  G4Tubs* tracker_tube = new G4Tubs("tracker_tube",innerRadiusOfTheTube,
                                    outerRadiusOfTheTube,hightOfTheTube,
                                    startAngleOfTheTube,
                    spanningAngleOfTheTube);
  tracker_log = new G4LogicalVolume(tracker_tube,Al,"tracker_log",0,0,0);
  G4double trackerPos_x = -1.0*m;
  G4double trackerPos_y = 0.*m;
  G4double trackerPos_z = 0.*m;
  tracker_phys = new G4PVPlacement(0,
             G4ThreeVector(trackerPos_x,trackerPos_y,trackerPos_z),
             tracker_log,"tracker",experimentalHall_log,false,0);
 
  //------------------------------ a calorimeter block
 
  G4double block_x = 1.0*m;
  G4double block_y = 50.0*cm;
  G4double block_z = 50.0*cm;
  G4Box* calorimeterBlock_box = new G4Box("calBlock_box",block_x,
                                          block_y,block_z);
  calorimeterBlock_log = new G4LogicalVolume(calorimeterBlock_box,
                                             Pb,"caloBlock_log",0,0,0);
  G4double blockPos_x = 1.0*m;
  G4double blockPos_y = 0.0*m;
  G4double blockPos_z = 0.0*m;
  calorimeterBlock_phys = new G4PVPlacement(0,
             G4ThreeVector(blockPos_x,blockPos_y,blockPos_z),
             calorimeterBlock_log,"caloBlock",experimentalHall_log,false,0);
 
  //------------------------------ calorimeter layers
 
  G4double calo_x = 1.*cm;
  G4double calo_y = 40.*cm;
  G4double calo_z = 40.*cm;
  G4Box* calorimeterLayer_box = new G4Box("caloLayer_box",
                                          calo_x,calo_y,calo_z);
  calorimeterLayer_log = new G4LogicalVolume(calorimeterLayer_box,
                                             Al,"caloLayer_log",0,0,0);
  for(G4int i=0;i<19;i++) // loop for 19 layers
  {
    G4double caloPos_x = (i-9)*10.*cm;
    G4double caloPos_y = 0.0*m;
    G4double caloPos_z = 0.0*m;
    calorimeterLayer_phys = new G4PVPlacement(0,
               G4ThreeVector(caloPos_x,caloPos_y,caloPos_z),
               calorimeterLayer_log,"caloLayer",calorimeterBlock_log,false,i);
  }
 
  //------------------------------------------------------------------
 
  return experimentalHall_phys;
}

References calorimeterBlock_log, calorimeterBlock_phys, calorimeterLayer_log, calorimeterLayer_phys, cm, cm3, deg, experimentalHall_log, experimentalHall_phys, g, m, mg, mole, tracker_log, and tracker_phys.

ConstructParallelGeometries()

G4int G4VUserDetectorConstruction::ConstructParallelGeometries ( )

inherited

Definition at line 73 of file G4VUserDetectorConstruction.cc.

{
  G4int nP = 0;
  for(auto pwItr = parallelWorld.cbegin();
           pwItr != parallelWorld.cend(); ++pwItr)
  {
    (*pwItr)->Construct();
    ++nP;
  }
  return nP;
}

References G4VUserDetectorConstruction::parallelWorld.

Referenced by G4RunManager::InitializeGeometry().

ConstructParallelSD()

void G4VUserDetectorConstruction::ConstructParallelSD ( )

inherited

Definition at line 86 of file G4VUserDetectorConstruction.cc.

{
  for(auto pwItr = parallelWorld.cbegin();
           pwItr != parallelWorld.cend(); ++pwItr)
  {
    (*pwItr)->ConstructSD();
  }
}

References G4VUserDetectorConstruction::parallelWorld.

Referenced by G4RunManager::InitializeGeometry(), and G4WorkerRunManager::InitializeGeometry().

ConstructSDandField()

void G4VUserDetectorConstruction::ConstructSDandField ( )

virtualinherited

Definition at line 111 of file G4VUserDetectorConstruction.cc.

{
  // G4RunManager::RMType rmtype =
  // G4RunManager::GetRunManager()->GetRunManagerType(); if(rmtype !=
  // G4RunManager::sequentialRM)
  // {
  //  G4cout
  //  << "User-derived detector construction class does not implement \n"
  //  << "ConstructSDandFiled method: workers will not have SD and fields!\n"
  //  << "The user can safely ignore this message if (s)he has no sensitive\n"
  //  << "detector or field in her/his application." << G4endl;
  // }
}

Referenced by G4RunManager::InitializeGeometry(), and G4WorkerRunManager::InitializeGeometry().

GetNumberOfParallelWorld()

G4int G4VUserDetectorConstruction::GetNumberOfParallelWorld ( ) const

inherited

Definition at line 96 of file G4VUserDetectorConstruction.cc.

{
  return parallelWorld.size();
}

References G4VUserDetectorConstruction::parallelWorld.

Referenced by G4VUserDetectorConstruction::GetParallelWorld().

GetParallelWorld()

G4VUserParallelWorld * G4VUserDetectorConstruction::GetParallelWorld ( G4int  i ) const

inherited

Definition at line 103 of file G4VUserDetectorConstruction.cc.

{
  if(i < 0 || i >= GetNumberOfParallelWorld())
    return nullptr;
  return parallelWorld[i];
}

References G4VUserDetectorConstruction::GetNumberOfParallelWorld(), and G4VUserDetectorConstruction::parallelWorld.

RegisterParallelWorld()

void G4VUserDetectorConstruction::RegisterParallelWorld ( G4VUserParallelWorld *  aPW )

inherited

Definition at line 57 of file G4VUserDetectorConstruction.cc.

{
  auto pwItr = std::find(parallelWorld.cbegin(), parallelWorld.cend(), aPW);
  if (pwItr != parallelWorld.cend())
  {
    G4String eM = "A parallel world <";
    eM += aPW->GetName();
    eM += "> is already registered to the user detector construction.";
    G4Exception("G4VUserDetectorConstruction::RegisterParallelWorld",
                "Run0051", FatalErrorInArgument, eM);
  }
  parallelWorld.push_back(aPW);
}

References FatalErrorInArgument, G4Exception(), G4VUserParallelWorld::GetName(), and G4VUserDetectorConstruction::parallelWorld.

SetSensitiveDetector() [1/2]

void G4VUserDetectorConstruction::SetSensitiveDetector ( const G4String &  logVolName, G4VSensitiveDetector *  aSD, G4bool  multi = false  )

protectedinherited

Definition at line 229 of file G4VUserDetectorConstruction.cc.

{
  G4bool found                = false;
  G4LogicalVolumeStore* store = G4LogicalVolumeStore::GetInstance();
  auto volmap = store->GetMap();
  auto pos = volmap.find(logVolName);
  if(pos != volmap.cend())
  {
    if ((pos->second.size()>1) && !multi)
    {
      G4String eM = "More than one logical volumes of name <";
      eM += pos->first;
      eM += "> are found and thus the sensitive detector <";
      eM += aSD->GetName();
      eM += "> cannot be uniquely assigned.";
      G4Exception("G4VUserDetectorConstruction::SetSensitiveDetector()",
                  "Run0052", FatalErrorInArgument, eM);
    }
    found = true;
    for (std::size_t i = 0; i < pos->second.size(); ++i)
    {
      SetSensitiveDetector(pos->second[i], aSD);
    }
  }
  if(!found)
  {
    G4String eM2 = "No logical volume of name <";
    eM2 += logVolName;
    eM2 += "> is found. The specified sensitive detector <";
    eM2 += aSD->GetName();
    eM2 += "> couldn't be assigned to any volume.";
    G4Exception("G4VUserDetectorConstruction::SetSensitiveDetector()",
                "Run0053", FatalErrorInArgument, eM2);
  }
}

References FatalErrorInArgument, G4Exception(), G4LogicalVolumeStore::GetInstance(), G4LogicalVolumeStore::GetMap(), G4VSensitiveDetector::GetName(), pos, and G4VUserDetectorConstruction::SetSensitiveDetector().

Referenced by MyDetectorConstruction::SetSDtoScoreVoxel(), and G4VUserDetectorConstruction::SetSensitiveDetector().

SetSensitiveDetector() [2/2]

void G4VUserDetectorConstruction::SetSensitiveDetector ( G4LogicalVolume *  logVol, G4VSensitiveDetector *  aSD  )

protectedinherited

Definition at line 268 of file G4VUserDetectorConstruction.cc.

{
  assert(logVol != nullptr && aSD != nullptr);
 
  // The aSD has already been added by user to the manager if needed
  // G4SDManager::GetSDMpointer()->AddNewDetector(aSD);
 
  // New Logic: allow for "multiple" SDs being attached to a single LV.
  // To do that we use a special proxy SD called G4MultiSensitiveDetector
 
  // Get existing SD if already set and check if it is of the special type
  G4VSensitiveDetector* originalSD = logVol->GetSensitiveDetector();
  if(originalSD == aSD)
  {
    G4ExceptionDescription msg;
    msg << "Attempting to add multiple times the same sensitive detector (\"";
    msg << originalSD->GetName() << "\") is not allowed, skipping.";
    G4Exception("G4VUserDetectorConstruction::SetSensitiveDetector", "Run0054",
                JustWarning, msg);
    return;
  }
  if(originalSD == nullptr)
  {
    logVol->SetSensitiveDetector(aSD);
  }
  else
  {
    G4MultiSensitiveDetector* msd =
      dynamic_cast<G4MultiSensitiveDetector*>(originalSD);
    if(msd != nullptr)
    {
      msd->AddSD(aSD);
    }
    else
    {
      std::ostringstream mn;
      mn << "/MultiSD_" << logVol->GetName() << "_" << logVol;
      const G4String msdname = mn.str();
      msd                    = new G4MultiSensitiveDetector(msdname);
      // We need to register the proxy to have correct handling of IDs
      G4SDManager::GetSDMpointer()->AddNewDetector(msd);
      msd->AddSD(originalSD);
      msd->AddSD(aSD);
      logVol->SetSensitiveDetector(msd);
    }
  }
}

References G4SDManager::AddNewDetector(), G4MultiSensitiveDetector::AddSD(), G4Exception(), G4VSensitiveDetector::GetName(), G4LogicalVolume::GetName(), G4SDManager::GetSDMpointer(), G4LogicalVolume::GetSensitiveDetector(), JustWarning, and G4LogicalVolume::SetSensitiveDetector().

Field Documentation

calorimeterBlock_log

G4LogicalVolume* ExN01DetectorConstruction::calorimeterBlock_log

private

Definition at line 60 of file ExN01DetectorConstruction.hh.

Referenced by Construct().

calorimeterBlock_phys

G4VPhysicalVolume* ExN01DetectorConstruction::calorimeterBlock_phys

private

Definition at line 67 of file ExN01DetectorConstruction.hh.

Referenced by Construct().

calorimeterLayer_log

G4LogicalVolume* ExN01DetectorConstruction::calorimeterLayer_log

private

Definition at line 61 of file ExN01DetectorConstruction.hh.

Referenced by Construct().

calorimeterLayer_phys

G4VPhysicalVolume* ExN01DetectorConstruction::calorimeterLayer_phys

private

Definition at line 66 of file ExN01DetectorConstruction.hh.

Referenced by Construct().

experimentalHall_log

G4LogicalVolume* ExN01DetectorConstruction::experimentalHall_log

private

Definition at line 58 of file ExN01DetectorConstruction.hh.

Referenced by Construct().

experimentalHall_phys

G4VPhysicalVolume* ExN01DetectorConstruction::experimentalHall_phys

private

Definition at line 65 of file ExN01DetectorConstruction.hh.

Referenced by Construct().

parallelWorld

std::vector<G4VUserParallelWorld*> G4VUserDetectorConstruction::parallelWorld

privateinherited

Definition at line 82 of file G4VUserDetectorConstruction.hh.

Referenced by G4VUserDetectorConstruction::ConstructParallelGeometries(), G4VUserDetectorConstruction::ConstructParallelSD(), G4VUserDetectorConstruction::GetNumberOfParallelWorld(), G4VUserDetectorConstruction::GetParallelWorld(), and G4VUserDetectorConstruction::RegisterParallelWorld().

tracker_log

G4LogicalVolume* ExN01DetectorConstruction::tracker_log

private

Definition at line 59 of file ExN01DetectorConstruction.hh.

Referenced by Construct().

tracker_phys

G4VPhysicalVolume* ExN01DetectorConstruction::tracker_phys

private

Definition at line 68 of file ExN01DetectorConstruction.hh.

Referenced by Construct().

---

The documentation for this class was generated from the following files:

• environments/g4py/tests/g4pytest/ExN01geom/ExN01DetectorConstruction.hh
• environments/g4py/tests/g4pytest/ExN01geom/ExN01DetectorConstruction.cc