G4LogicalCrystalVolume.cc

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// $Id:$
//
//
// Implementation of G4LogicalCrystalVolume
//
// 21-04-16, created by E.Bagli
// 
// --------------------------------------------------------------------

#include "G4LogicalCrystalVolume.hh"
#include "G4ExtendedMaterial.hh"
#include "G4CrystalExtension.hh"
#include "G4VMaterialExtension.hh"

std::vector<G4LogicalVolume*> G4LogicalCrystalVolume::fLCVvec;

// --------------------------------------------------------------------

G4LogicalCrystalVolume::
G4LogicalCrystalVolume(G4VSolid* pSolid, G4ExtendedMaterial* pMaterial,
                       const G4String& name, G4FieldManager* pFieldMgr,
                       G4VSensitiveDetector* pSDetector,
                       G4UserLimits* pULimits, G4bool optimise,
                       G4int h, G4int k, G4int l, G4double rot)
: G4LogicalVolume(pSolid,pMaterial,name,pFieldMgr,pSDetector,pULimits,optimise),
  hMiller(1), kMiller(0), lMiller(0), fRot(0), verboseLevel(0)
{
   SetMillerOrientation(h, k, l, rot);
   fLCVvec.push_back(this);
}

// --------------------------------------------------------------------

G4LogicalCrystalVolume::~G4LogicalCrystalVolume()
{
   fLCVvec.erase( std::remove(fLCVvec.begin(),fLCVvec.end(), this ),
                  fLCVvec.end() );
}

// --------------------------------------------------------------------

G4bool G4LogicalCrystalVolume::IsLattice(G4LogicalVolume* aLV)
{
  return std::find(fLCVvec.begin(), fLCVvec.end(), aLV) != fLCVvec.end();
}

// --------------------------------------------------------------------

const G4CrystalExtension* G4LogicalCrystalVolume::GetCrystal() const
{
  return dynamic_cast<G4CrystalExtension*>(dynamic_cast<G4ExtendedMaterial*>(GetMaterial())
                                ->RetrieveExtension("crystal"));
}       

// --------------------------------------------------------------------

const G4ThreeVector& G4LogicalCrystalVolume::GetBasis(G4int i) const
{
  return GetCrystal()->GetUnitCell()->GetBasis(i);
}

// --------------------------------------------------------------------

void G4LogicalCrystalVolume::SetMillerOrientation(G4int h,
                                                  G4int k,
                                                  G4int l,
                                                  G4double rot)
{
  // Align Miller normal vector (hkl) with +Z axis, and rotation about axis

  if (verboseLevel)
  {
    G4cout << "G4LatticePhysical::SetMillerOrientation(" << h << " "
           << k << " " << l << ", " << rot/CLHEP::deg << " deg)" << G4endl;
  }
    
   hMiller = h;
   kMiller = k;
   lMiller = l;
   fRot = rot;
    
   G4ThreeVector norm = (h*GetBasis(0)+k*GetBasis(1)+l*GetBasis(2)).unit();
    
   if (verboseLevel>1) G4cout << " norm = " << norm << G4endl;
    
   // Aligns geometry +Z axis with lattice (hkl) normal
   fOrient = G4RotationMatrix::IDENTITY;
   fOrient.rotateZ(rot).rotateY(norm.theta()).rotateZ(norm.phi());
   fInverse = fOrient.inverse();
    
   if (verboseLevel>1) G4cout << " fOrient = " << fOrient << G4endl;
    
   // FIXME:  Is this equivalent to (phi,theta,rot) Euler angles???
}

// --------------------------------------------------------------------

// Rotate input vector between lattice and solid orientations

const G4ThreeVector&
G4LogicalCrystalVolume::RotateToLattice(G4ThreeVector& dir) const
{
  return dir.transform(fOrient);
}

const G4ThreeVector&
G4LogicalCrystalVolume::RotateToSolid(G4ThreeVector& dir) const
{
  return dir.transform(fInverse);
}

// --------------------------------------------------------------------