G4PVReplica.cc

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//
// $Id: G4PVReplica.cc 100429 2016-10-21 13:00:52Z gcosmo $
//
// 
// class G4PVReplica Implementation
//
// ----------------------------------------------------------------------

#include "G4PVReplica.hh"
#include "G4LogicalVolume.hh"

G4PVRManager G4PVReplica::subInstanceManager;
  // Helping in the use of the class G4PVRManager.

G4PVReplica::G4PVReplica( const G4String& pName,
                                G4LogicalVolume* pLogical,
                                G4VPhysicalVolume* pMother,
                          const EAxis pAxis,
                          const G4int nReplicas,
                          const G4double width,
                          const G4double offset )
  : G4VPhysicalVolume(0, G4ThreeVector(), pName, pLogical, pMother),
    fRegularVolsId(0)
{

  instanceID = subInstanceManager.CreateSubInstance();

  G4MT_copyNo = -1;

  if ((!pMother) || (!pMother->GetLogicalVolume()))
  {
    std::ostringstream message;
    message << "NULL pointer specified as mother volume." << G4endl
            << "The world volume cannot be sliced or parameterised !";
    G4Exception("G4PVReplica::G4PVReplica()", "GeomVol0002",
                FatalException, message);
    return;
  }
  G4LogicalVolume* motherLogical = pMother->GetLogicalVolume();
  if (pLogical == motherLogical)
  {
    G4Exception("G4PVReplica::G4PVReplica()", "GeomVol0002",
                FatalException, "Cannot place a volume inside itself!");
    return;
  }
  SetMotherLogical(motherLogical);
  motherLogical->AddDaughter(this);
  if (motherLogical->GetNoDaughters() != 1)
  {
    std::ostringstream message;
    message << "Replica or parameterised volume must be the only daughter !"
            << G4endl
            << "     Mother physical volume: " << pMother->GetName() << G4endl
            << "     Replicated volume: " << pName;
    G4Exception("G4PVReplica::G4PVReplica()", "GeomVol0002",
                FatalException, message);
    return;
  }
  CheckAndSetParameters (pAxis, nReplicas, width, offset);
}

G4PVReplica::G4PVReplica( const G4String& pName,
                                G4LogicalVolume* pLogical,
                                G4LogicalVolume* pMotherLogical,
                          const EAxis pAxis,
                          const G4int nReplicas,
                          const G4double width,
                          const G4double offset )
  : G4VPhysicalVolume(0,G4ThreeVector(),pName,pLogical,0), fRegularVolsId(0)
{

  instanceID = subInstanceManager.CreateSubInstance();
  G4MT_copyNo = -1; 

  if (!pMotherLogical)
  {
    std::ostringstream message;
    message << "NULL pointer specified as mother volume for "
            << pName << ".";
    G4Exception("G4PVReplica::G4PVReplica()", "GeomVol0002",
                FatalException, message);
    return;
  }
  if (pLogical == pMotherLogical)
  {
    G4Exception("G4PVReplica::G4PVReplica()", "GeomVol0002",
                FatalException, "Cannot place a volume inside itself!");
    return;
  }
  pMotherLogical->AddDaughter(this);
  SetMotherLogical(pMotherLogical);
  if (pMotherLogical->GetNoDaughters() != 1)
  {
    std::ostringstream message;
    message << "Replica or parameterised volume must be the only daughter !"
            << G4endl
            << "     Mother logical volume: " << pMotherLogical->GetName()
            << G4endl
            << "     Replicated volume: " << pName;
    G4Exception("G4PVReplica::G4PVReplica()", "GeomVol0002",
                FatalException, message);
    return;
  }
  CheckAndSetParameters (pAxis, nReplicas, width, offset);
}

void G4PVReplica::CheckAndSetParameters( const EAxis pAxis,
                                         const G4int nReplicas,
                                         const G4double width,
                                         const G4double offset)
{    
  if (nReplicas<1)
  {
    G4Exception("G4PVReplica::CheckAndSetParameters()", "GeomVol0002",
                FatalException, "Illegal number of replicas.");
  }
  fnReplicas=nReplicas;
  if (width<0)
  {
    G4Exception("G4PVReplica::CheckAndSetParameters()", "GeomVol0002",
                FatalException, "Width must be positive.");
  }
  fwidth  = width;
  foffset = offset;
  faxis   = pAxis;

  // Create rotation matrix for phi axis case & check axis is valid
  //
  G4RotationMatrix* pRMat=0;
  switch (faxis)
  {
    case kPhi:
      pRMat=new G4RotationMatrix();
      if (!pRMat)
      {
        G4Exception("G4PVReplica::CheckAndSetParameters()", "GeomVol0003",
                    FatalException, "Rotation matrix allocation failed.");
      }
      SetRotation(pRMat);
      break;
    case kRho:
    case kXAxis:
    case kYAxis:
    case kZAxis:
    case kUndefined:
      break;
    default:
      G4Exception("G4PVReplica::CheckAndSetParameters()", "GeomVol0002",
                  FatalException, "Unknown axis of replication.");
      break;
  }
}

G4PVReplica::G4PVReplica( __void__& a )
  : G4VPhysicalVolume(a), faxis(kZAxis), fnReplicas(0), fwidth(0.),
    foffset(0.), fRegularStructureCode(0), fRegularVolsId(0)
{
  instanceID = subInstanceManager.CreateSubInstance();
  G4MT_copyNo = -1; 
}

G4PVReplica::~G4PVReplica()
{
  if ( faxis==kPhi )
  {
    delete GetRotation();
  }
}

G4bool G4PVReplica::IsMany() const
{
  return false; 
}

G4int G4PVReplica::GetCopyNo() const
{
  return G4MT_copyNo;
}

void  G4PVReplica::SetCopyNo(G4int newCopyNo)
{
  G4MT_copyNo = newCopyNo;
}

G4bool G4PVReplica::IsReplicated() const
{
  return true;
}

G4bool G4PVReplica::IsParameterised() const
{
  return false;
}

G4VPVParameterisation* G4PVReplica::GetParameterisation() const
{
  return 0;
}

G4int G4PVReplica::GetMultiplicity() const
{
  return fnReplicas;
}

void G4PVReplica::GetReplicationData( EAxis& axis,
                                      G4int& nReplicas,
                                      G4double& width,
                                      G4double& offset,
                                      G4bool& consuming ) const
{
  axis = faxis;
  nReplicas = fnReplicas;
  width = fwidth;
  offset = foffset;
  consuming = true;
}

G4bool G4PVReplica::IsRegularStructure() const
{
  return (fRegularVolsId!=0); 
}

G4int  G4PVReplica::GetRegularStructureId() const
{
  return fRegularVolsId; 
}

void   G4PVReplica::SetRegularStructureId( G4int Code )
{
  fRegularVolsId= Code; 
} 

// Returns the private data instance manager.
//
const G4PVRManager& G4PVReplica::GetSubInstanceManager()
{
  return subInstanceManager;
}

// This method is similar to the constructor. It is used by each worker
// thread to achieve the same effect as that of the master thread exept
// to register the new created instance. This method is invoked explicitly.
// It does not create a new G4PVReplica instance. It only assigns the value
// for the fields encapsulated by the class G4ReplicaData.
//
void G4PVReplica::InitialiseWorker(G4PVReplica *pMasterObject)
{
  
  G4VPhysicalVolume::InitialiseWorker( pMasterObject, 0, G4ThreeVector());
  subInstanceManager.SlaveCopySubInstanceArray();
  G4MT_copyNo = -1;

  // This call causes "self-assignment" of the input paramters
  // Issue reported by DRD since TerminateWorker below can be called
  // at the same time by another thread
  // What we need here is the splic-class component of this funciton
  // that is copied here
  // CheckAndSetParameters (faxis, fnReplicas, fwidth, foffset);

  // Create rotation matrix for phi axis case & check axis is valid
  //
  G4RotationMatrix* pRMat=0;
  switch (faxis)
  {
    case kPhi:
      pRMat=new G4RotationMatrix();
      if (!pRMat)
      {
        G4Exception("G4PVReplica::InitialiseWorker(...)", "GeomVol0003",
                    FatalException, "Rotation matrix allocation failed.");
      }
      SetRotation(pRMat);
      break;
    case kRho:
    case kXAxis:
    case kYAxis:
    case kZAxis:
    case kUndefined:
      break;
    default:
      G4Exception("G4PVReplica::InitialiseWorker(...)", "GeomVol0002",
                  FatalException, "Unknown axis of replication.");
      break;
  }
}

// This method is similar to the destructor. It is used by each worker
// thread to achieve the partial effect as that of the master thread.
// For G4PVReplica instances, it destories the rotation matrix.
//
void G4PVReplica::TerminateWorker(G4PVReplica* /*pMasterObject*/)
{
  if ( faxis==kPhi )
  {
    delete GetRotation();
  }
}