BDSScreenFrameRectangular.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 "BDSGlobalConstants.hh"
#include "BDSMaterials.hh"
#include "BDSScreenFrameRectangular.hh"
 
#include "globals.hh"
#include "G4Box.hh"
#include "G4LogicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4SubtractionSolid.hh"
#include "G4RotationMatrix.hh"
#include "G4ThreeVector.hh"
#include "G4TwoVector.hh"
 
 
BDSScreenFrameRectangular::BDSScreenFrameRectangular(G4String      nameIn,
                                                     G4ThreeVector sizeIn,
                                                     G4TwoVector   windowSizeIn,
                                                     G4TwoVector   windowOffsetIn,
                                                     G4Material*   materialIn):
  BDSScreenFrame(nameIn, sizeIn, windowSizeIn, windowOffsetIn, materialIn),
  zeroRot(new G4RotationMatrix(0,0,0))
{
  Build();
}
 
BDSScreenFrameRectangular::~BDSScreenFrameRectangular()
{
  delete zeroRot;
}
 
void BDSScreenFrameRectangular::Build()
{
  G4double lenSaf = BDSGlobalConstants::Instance()->LengthSafety();
  //G4double tinyLenSaf = 1e-3*CLHEP::nm;
 
  G4Box* frameBox = new G4Box("frameBox",
                              size.x()/2.0,
                              size.y()/2.0,
                              size.z()/2.0);
 
 
  G4Box* windowBox = new G4Box("windowBox",
                               windowSize.x()/2.0 + lenSaf,
                               windowSize.y()/2.0 + lenSaf,
                               size.z()/2.0 + lenSaf); // must be thicker than frame.
 
        cavityPos = G4ThreeVector(windowOffset.x(), windowOffset.y(), 0);
        G4SubtractionSolid* frameSS = new G4SubtractionSolid((G4String)"frameSS", frameBox, windowBox, zeroRot, cavityPos);
        logVol = new G4LogicalVolume(frameSS, material, name+"_lv");
  SetVisAtts();
}
 
void BDSScreenFrameRectangular::Place(G4RotationMatrix* rot,
                                      G4ThreeVector     pos,
                                      G4LogicalVolume*  motherVol)
{
  new G4PVPlacement(rot,
                    pos,
                    logVol,
                    "screenFrame_pv",
                    motherVol,
                    false,
                    0,
                    checkOverlaps);
 
}
 
void BDSScreenFrameRectangular::SetVisAtts()
{
  BDSScreenFrame::SetVisAtts(logVol);
}