00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id: G4UniformElectricField.cc 69786 2013-05-15 09:38:51Z gcosmo $ 00028 // 00029 // 00030 // 00031 // Class for creation of uniform Electric Field 00032 // 00033 // 30.1.97 V.Grichine 00034 // 00035 // ------------------------------------------------------------------- 00036 00037 #include "G4UniformElectricField.hh" 00038 #include "G4PhysicalConstants.hh" 00039 00040 G4UniformElectricField::G4UniformElectricField(const G4ThreeVector FieldVector ) 00041 { 00042 fFieldComponents[0] = 0.0; 00043 fFieldComponents[1] = 0.0; 00044 fFieldComponents[2] = 0.0; 00045 fFieldComponents[3] = FieldVector.x(); 00046 fFieldComponents[4] = FieldVector.y(); 00047 fFieldComponents[5] = FieldVector.z(); 00048 } 00049 00050 G4UniformElectricField::G4UniformElectricField(G4double vField, 00051 G4double vTheta, 00052 G4double vPhi ) 00053 { 00054 if ( (vField<0) || (vTheta<0) || (vTheta>pi) || (vPhi<0) || (vPhi>twopi) ) 00055 { 00056 G4Exception("G4UniformElectricField::G4UniformElectricField()", 00057 "GeomField0002", FatalException, "Invalid parameters."); 00058 } 00059 00060 fFieldComponents[0] = 0.0; 00061 fFieldComponents[1] = 0.0; 00062 fFieldComponents[2] = 0.0; 00063 fFieldComponents[3] = vField*std::sin(vTheta)*std::cos(vPhi) ; 00064 fFieldComponents[4] = vField*std::sin(vTheta)*std::sin(vPhi) ; 00065 fFieldComponents[5] = vField*std::cos(vTheta) ; 00066 } 00067 00068 G4UniformElectricField::~G4UniformElectricField() 00069 { 00070 } 00071 00072 G4UniformElectricField::G4UniformElectricField (const G4UniformElectricField &p) 00073 : G4ElectricField(p) 00074 { 00075 for (G4int i=0; i<6; i++) 00076 fFieldComponents[i] = p.fFieldComponents[i]; 00077 } 00078 00079 G4UniformElectricField& 00080 G4UniformElectricField::operator = (const G4UniformElectricField &p) 00081 { 00082 for (G4int i=0; i<6; i++) 00083 fFieldComponents[i] = p.fFieldComponents[i]; 00084 return *this; 00085 } 00086 00087 // ------------------------------------------------------------------------ 00088 00089 void G4UniformElectricField::GetFieldValue (const G4double[4], 00090 G4double *fieldBandE ) const 00091 { 00092 fieldBandE[0]= 0.0; 00093 fieldBandE[1]= 0.0; 00094 fieldBandE[2]= 0.0; 00095 fieldBandE[3]= fFieldComponents[3] ; 00096 fieldBandE[4]= fFieldComponents[4] ; 00097 fieldBandE[5]= fFieldComponents[5] ; 00098 }