BDSIM
BDSIM is a Geant4 extension toolkit for simulation of particle transport in accelerator beamlines.
BDSFieldMagMultipoleOuterDual.hh
1/*
2Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway,
3University of London 2001 - 2022.
4
5This file is part of BDSIM.
6
7BDSIM is free software: you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published
9by the Free Software Foundation version 3 of the License.
10
11BDSIM is distributed in the hope that it will be useful, but
12WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with BDSIM. If not, see <http://www.gnu.org/licenses/>.
18*/
19#ifndef BDSFIELDMAGMULTIPOLEOUTERDUAL_H
20#define BDSFIELDMAGMULTIPOLEOUTERDUAL_H
21#include "BDSFieldMag.hh"
22
23#include "G4ThreeVector.hh"
24#include "G4Types.hh"
25
28
36{
37public:
39 G4double poleTipRadius,
40 const BDSFieldMag* innerFieldIn,
41 G4bool kPositive,
42 G4double brho,
43 G4double separation,
44 G4bool secondFieldOnLeft = true,
45 G4double arbitraryScaling = 1.0);
46
48
50 virtual G4ThreeVector GetField(const G4ThreeVector& position,
51 const double t = 0) const;
52
53private:
55 G4ThreeVector offset;
56};
57
58#endif
Sum of two multipole fields spaced by a distance in x.
virtual G4ThreeVector GetField(const G4ThreeVector &position, const double t=0) const
Access the field value.
A simple parameterisation of N-Pole outer yoke magnetic field.
Interface for static magnetic fields that may or may not be local.
Definition: BDSFieldMag.hh:37
Efficient storage of magnet strengths.