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G4LineCurrentMagField.cc
Go to the documentation of this file.
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//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// ********************************************************************
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//
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// $Id: G4LineCurrentMagField.cc 68055 2013-03-13 14:43:28Z gcosmo $
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// -------------------------------------------------------------------
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#include "
G4LineCurrentMagField.hh
"
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#include "
globals.hh
"
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G4LineCurrentMagField::G4LineCurrentMagField
(
G4double
pFieldConstant)
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{
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fFieldConstant
= pFieldConstant ;
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}
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G4LineCurrentMagField
*
G4LineCurrentMagField::Clone
()
const
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{
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return
new
G4LineCurrentMagField
( this->
fFieldConstant
);
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}
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G4LineCurrentMagField::~G4LineCurrentMagField
()
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{
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}
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void
G4LineCurrentMagField::GetFieldValue
(
const
G4double
yTrack[7],
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G4double
B[3] )
const
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{
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// G4double fFieldConstant = 100 ;
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G4double
a
= 1.00 ;
// mm
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G4double
x = a*yTrack[0], y = a*yTrack[1] ;
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G4double
x2 = x*x, y2 = y*y, r2 = x2 + y2 ;
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G4double
r = std::sqrt(r2+a*a) ;
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G4double
Br =
fFieldConstant
/r;
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B[0] = -Br*y/r ;
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B[1] = Br*x/r ;
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B[2] = 0 ;
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}
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// -----------------------------------------------------------------
G4LineCurrentMagField.hh
G4LineCurrentMagField::Clone
G4LineCurrentMagField * Clone() const
Definition:
G4LineCurrentMagField.cc:36
a
G4double a
Definition:
TRTMaterials.hh:39
G4LineCurrentMagField::fFieldConstant
G4double fFieldConstant
Definition:
G4LineCurrentMagField.hh:60
G4LineCurrentMagField::~G4LineCurrentMagField
~G4LineCurrentMagField()
Definition:
G4LineCurrentMagField.cc:42
globals.hh
G4LineCurrentMagField::G4LineCurrentMagField
G4LineCurrentMagField(G4double pFieldConstant)
Definition:
G4LineCurrentMagField.cc:32
G4LineCurrentMagField::GetFieldValue
void GetFieldValue(const G4double yTrack[], G4double B[]) const
Definition:
G4LineCurrentMagField.cc:49
G4double
double G4double
Definition:
G4Types.hh:76
G4LineCurrentMagField
Definition:
G4LineCurrentMagField.hh:48
geant4.10.00.p02
source
geometry
magneticfield
src
G4LineCurrentMagField.cc
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