BDSSamplerCylinder.cc

/* 
Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway, 
University of London 2001 - 2024.
 
This file is part of BDSIM.
 
BDSIM is free software: you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published 
by the Free Software Foundation version 3 of the License.
 
BDSIM is distributed in the hope that it will be useful, but 
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with BDSIM.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "BDSExtent.hh"
#include "BDSSamplerCylinder.hh"
#include "BDSSDManager.hh"
#include "BDSSDSamplerCylinder.hh"
#include "BDSUtilities.hh"
 
#include "G4CutTubs.hh"
#include "G4LogicalVolume.hh"
#include "G4String.hh"
#include "G4ThreeVector.hh"
#include "G4Tubs.hh"
#include "G4Types.hh"
 
#include "CLHEP/Units/SystemOfUnits.h"
 
 
BDSSamplerCylinder::BDSSamplerCylinder(const G4String& nameIn,
                                       G4double        radiusIn,
                                       G4double        fullLength,
                                       G4double        startAngle,
                                       G4double        sweepAngle,
                                       G4int           filterSetIDIn):
  BDSSampler(nameIn, filterSetIDIn)
{ 
  G4double thickness = 1e-6 * radiusIn;
  containerSolid = new G4Tubs(nameIn + "_solid",      // name
                              radiusIn,               // inner radius
                              radiusIn + thickness,   // outer radius
                              fullLength*0.5,         // half-length
                              startAngle,             // start angle
                              sweepAngle);            // sweep angle
 
  SetExtent(BDSExtent(radiusIn, radiusIn, fullLength*0.5));
  CommonConstruction();
}
 
BDSSamplerCylinder::BDSSamplerCylinder(const G4String& nameIn,
                                       G4double        radiusIn,
                                       G4double        fullLength,
                                       const G4ThreeVector& inputFaceNormal,
                                       const G4ThreeVector& outputFaceNormal,
                                       G4double        startAngle,
                                       G4double        sweepAngle,
                                       G4int           filterSetIDIn):
  BDSSampler(nameIn, filterSetIDIn)
{
  G4double thickness = 1e-6 * radiusIn;
  if (!BDS::IsFinite(inputFaceNormal.angle({0,0,-1}),1e-6) && !BDS::IsFinite(outputFaceNormal.angle({0,0,1}),1e-6))
    {
      containerSolid = new G4Tubs(nameIn + "_solid",      // name
                                  radiusIn,               // inner radius
                                  radiusIn + thickness,   // outer radius
                                  fullLength*0.5,         // half-length
                                  startAngle,             // start angle
                                  sweepAngle);            // sweep angle
    }
  else
    {
      containerSolid = new G4CutTubs(nameIn + "_solid",      // name
                                     radiusIn,               // inner radius
                                     radiusIn + thickness,   // outer radius
                                     fullLength * 0.5,         // half-length
                                     startAngle,             // start angle
                                     sweepAngle,            // sweep angle
                                     inputFaceNormal,
                                     outputFaceNormal);
    }
  SetExtent(BDSExtent(radiusIn, radiusIn, fullLength*0.5));
  CommonConstruction();
}
 
void BDSSamplerCylinder::SetSensitivity()
{
  auto sdMan = BDSSDManager::Instance();
  BDSSDSamplerCylinder* sd = filterSetID > -1 ? sdMan->SamplerCylinderWithFilter(filterSetID) : sdMan->SamplerCylinder();
  containerLogicalVolume->SetSensitiveDetector(sd);
}