BDSTiltOffset.cc

/* 
Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway, 
University of London 2001 - 2023.
 
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 "BDSTiltOffset.hh"
#include "BDSUtilities.hh"
 
#include "globals.hh"
#include "G4RotationMatrix.hh"
#include "G4ThreeVector.hh"
#include "G4Transform3D.hh"
 
#include <ostream>
 
BDSTiltOffset::BDSTiltOffset():
  dx(0.0), dy(0.0), tilt(0.0)
{;}
 
BDSTiltOffset::BDSTiltOffset(G4double xOffset,
                             G4double yOffset,
                             G4double tiltIn):
  dx(xOffset), dy(yOffset), tilt(tiltIn)
{;}
 
std::ostream& operator<< (std::ostream& out, BDSTiltOffset const &to)
{
  out << to.tilt << " " << to.dx << " " << to.dy;
  return out;
}
 
G4Transform3D BDSTiltOffset::Transform3D() const
{
  G4ThreeVector off = GetOffset();
  G4RotationMatrix rm = G4RotationMatrix();
  rm.rotateZ(tilt);
  return G4Transform3D(rm, off);
}
 
G4bool BDSTiltOffset::HasFiniteOffset() const
{
  return BDS::IsFinite(dx) || BDS::IsFinite(dy);
}
 
G4bool BDSTiltOffset::HasFiniteTilt() const
{
  return BDS::IsFinite(tilt);
}