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ConstantBField.hpp
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the newest version in sPHENIX GitHub for file ConstantBField.hpp
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// This file is part of the Acts project.
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//
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// Copyright (C) 2016-2018 CERN for the benefit of the Acts project
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#pragma once
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#include "
Acts/MagneticField/MagneticFieldContext.hpp
"
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#include "
Acts/Utilities/Definitions.hpp
"
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namespace
Acts {
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class
ConstantBField
final {
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public
:
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struct
Cache
{
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Cache
(std::reference_wrapper<const MagneticFieldContext>
/*mcfg*/
) {}
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};
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explicit
ConstantBField
(
Vector3D
B
) :
m_BField
(std::move(B)) {}
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ConstantBField
(
double
Bx = 0.,
double
By = 0.,
double
Bz
= 0.)
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:
m_BField
(Bx, By,
Bz
) {}
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Vector3D
getField
(
const
Vector3D
&
/*position*/
)
const
{
return
m_BField
; }
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Vector3D
getField
(
const
Vector3D
&
/*position*/
,
Cache
&
/*cache*/
)
const
{
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return
m_BField
;
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}
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Vector3D
getFieldGradient
(
const
Vector3D
&
/*position*/
,
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ActsMatrixD<3, 3>
&
/*derivative*/
)
const
{
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return
m_BField
;
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}
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Vector3D
getFieldGradient
(
const
Vector3D
&
/*position*/
,
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ActsMatrixD<3, 3>
&
/*derivative*/
,
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Cache
&
/*cache*/
)
const
{
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return
m_BField
;
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}
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bool
isInside
(
const
Vector3D
&
/*position*/
)
const
{
return
true
; }
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void
setField
(
double
Bx,
double
By,
double
Bz
) {
m_BField
<< Bx, By,
Bz
; }
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void
setField
(
const
Vector3D
&
B
) {
m_BField
=
B
; }
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private
:
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Vector3D
m_BField
;
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};
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}
// namespace Acts
acts
blob
master
Core
include
Acts
MagneticField
ConstantBField.hpp
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:24:20
using
1.8.2 with
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