Gabriele Cosmo
91 lines
3.5 KiB
C++
91 lines
3.5 KiB
C++
//
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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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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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/// \file field/field04/src/F04SimpleSolenoid.cc
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/// \brief Implementation of the F04SimpleSolenoid class
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//
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//
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#include "globals.hh"
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#include "G4GeometryManager.hh"
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#include "F04GlobalField.hh"
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#include "F04SimpleSolenoid.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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F04SimpleSolenoid::F04SimpleSolenoid(G4double Bz, G4double fz,
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G4LogicalVolume* lv,
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G4ThreeVector c) : F04ElementField(c,lv)
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{
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fBfield = Bz;
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fFringeZ = fz;
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fFieldLength = 2.*((G4Tubs*)fVolume->GetSolid())->GetZHalfLength()+fFringeZ;
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fFieldRadius = ((G4Tubs*)fVolume->GetSolid())->GetOuterRadius();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void F04SimpleSolenoid::AddFieldValue(const G4double point[4],
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G4double field[6]) const
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{
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G4ThreeVector global(point[0],point[1],point[2]);
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G4ThreeVector local;
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local = fGlobal2local.TransformPoint(global);
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if (IsOutside(local)) return;
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G4ThreeVector B(0.0,0.0,fBfield);
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B = fGlobal2local.Inverse().TransformAxis(B);
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field[0] += B[0];
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field[1] += B[1];
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field[2] += B[2];
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4bool F04SimpleSolenoid::IsOutside(G4ThreeVector& local) const
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{
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// EInside inside = tubs->Inside(local);
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// return (inside == kOutside);
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G4double r = std::sqrt(local.x()*local.x()+local.y()*local.y());
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return (r > fFieldRadius || std::fabs(local.z()) > fFieldLength/2.0);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4bool F04SimpleSolenoid::IsWithin(G4ThreeVector& local) const
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{
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// EInside inside = tubs->Inside(local);
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// return (inside == kInside);
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G4double r = std::sqrt(local.x()*local.x()+local.y()*local.y());
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return (r < fFieldRadius && std::fabs(local.z()) < fFieldLength/2.0);
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}
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