BDSIM
BDSIM is a Geant4 extension toolkit for simulation of particle transport in accelerator beamlines.
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BDSFieldMagSkew.hh
1/*
2Beam Delivery Simulation (BDSIM) Copyright (C) BDSIM Collaboration, 2001 - 2026.
3
4This file is part of BDSIM.
5
6BDSIM is free software: you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published
8by the Free Software Foundation version 3 of the License.
9
10BDSIM is distributed in the hope that it will be useful, but
11WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with BDSIM. If not, see <http://www.gnu.org/licenses/>.
17*/
18#ifndef BDSFIELDSKEW_H
19#define BDSFIELDSKEW_H
20
21#include "BDSFieldMag.hh"
22
23#include "globals.hh" // geant4 types / globals
24#include "G4RotationMatrix.hh"
25#include "G4ThreeVector.hh"
26
41{
42public:
44 BDSFieldMagSkew(BDSFieldMag* fieldIn, G4double angle = 0);
45
46 virtual ~BDSFieldMagSkew();
47
49 virtual G4ThreeVector GetField(const G4ThreeVector &position,
50 const G4double t = 0) const;
51
52private:
54 BDSFieldMagSkew() = delete;
55
59
61 G4RotationMatrix* rotation;
62
64 G4RotationMatrix* antiRotation;
65};
66
67#endif
A wrapper class for BDSFieldMag that rotates it.
G4RotationMatrix * rotation
The rotation matrix used to rotate the coordinates.
G4RotationMatrix * antiRotation
The opposite rotation matrix used to transform the resultant field vector.
BDSFieldMagSkew()=delete
Private default constructor to force use of supplied ones.
BDSFieldMag *const field
virtual G4ThreeVector GetField(const G4ThreeVector &position, const G4double t=0) const
Get the field - local coordinates, and rotated.
Interface for static magnetic fields that may or may not be local.