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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 // Hadrontherapy advanced example for Geant4 26 // Hadrontherapy advanced example for Geant4 27 // See more at: https://twiki.cern.ch/twiki/bi 27 // See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy 28 28 29 #include "HadrontherapyElectricTabulatedField3 29 #include "HadrontherapyElectricTabulatedField3D.hh" 30 #include "G4SystemOfUnits.hh" 30 #include "G4SystemOfUnits.hh" 31 #include "G4AutoLock.hh" 31 #include "G4AutoLock.hh" 32 32 33 namespace{ G4Mutex MyHadrontherapyLockEField= 33 namespace{ G4Mutex MyHadrontherapyLockEField=G4MUTEX_INITIALIZER; } 34 34 35 using namespace std; << 35 HadrontherapyElectricTabulatedField3D::HadrontherapyElectricTabulatedField3D( const char* filename, G4double exOffset, G4double eyOffset, G4double ezOffset) 36 << 37 HadrontherapyElectricTabulatedField3D::Hadront << 38 :feXoffset(exOffset),feYoffset(eyOffset),feZ 36 :feXoffset(exOffset),feYoffset(eyOffset),feZoffset(ezOffset),einvertX(false),einvertY(false),einvertZ(false) 39 { << 37 { 40 //The format file is: X Y Z Ex Ey Ez 38 //The format file is: X Y Z Ex Ey Ez 41 39 42 G4double ElenUnit= cm; 40 G4double ElenUnit= cm; 43 G4double EfieldUnit= volt/m; << 41 G4double EfieldUnit= volt/m; 44 G4cout << "\n------------------------------- 42 G4cout << "\n-----------------------------------------------------------" 45 << "\n Electric field" << 43 << "\n Electric field" 46 << "\n------------------------------- << 44 << "\n-----------------------------------------------------------"; 47 << 45 48 G4cout << "\n ---> " "Reading the field grid << 46 G4cout << "\n ---> " "Reading the field grid from " << filename << " ... " << endl; 49 G4AutoLock lock(&MyHadrontherapyLockEField); 47 G4AutoLock lock(&MyHadrontherapyLockEField); 50 48 51 ifstream file( filename ); // Open the file 49 ifstream file( filename ); // Open the file for reading. 52 << 50 53 // Ignore first blank line 51 // Ignore first blank line 54 char ebuffer[256]; 52 char ebuffer[256]; 55 file.getline(ebuffer,256); 53 file.getline(ebuffer,256); 56 << 54 57 // Read table dimensions << 55 // Read table dimensions 58 file >> Enx >> Eny >> Enz; // Note dodgy ord 56 file >> Enx >> Eny >> Enz; // Note dodgy order 59 57 60 G4cout << " [ Number of values x,y,z: " << 58 G4cout << " [ Number of values x,y,z: " 61 << Enx << " " << Eny << " " << Enz << " ] " 59 << Enx << " " << Eny << " " << Enz << " ] " 62 << G4endl; << 60 << endl; 63 61 64 // Set up storage space for table 62 // Set up storage space for table 65 xEField.resize( Enx ); 63 xEField.resize( Enx ); 66 yEField.resize( Enx ); 64 yEField.resize( Enx ); 67 zEField.resize( Enx ); 65 zEField.resize( Enx ); 68 G4int ix, iy, iz; 66 G4int ix, iy, iz; 69 for (ix=0; ix<Enx; ix++) { 67 for (ix=0; ix<Enx; ix++) { 70 xEField[ix].resize(Eny); 68 xEField[ix].resize(Eny); 71 yEField[ix].resize(Eny); 69 yEField[ix].resize(Eny); 72 zEField[ix].resize(Eny); 70 zEField[ix].resize(Eny); 73 for (iy=0; iy<Eny; iy++) { 71 for (iy=0; iy<Eny; iy++) { 74 xEField[ix][iy].resize(Enz); 72 xEField[ix][iy].resize(Enz); 75 yEField[ix][iy].resize(Enz); 73 yEField[ix][iy].resize(Enz); 76 zEField[ix][iy].resize(Enz); 74 zEField[ix][iy].resize(Enz); 77 } 75 } 78 } 76 } 79 77 80 // Read in the data 78 // Read in the data 81 G4double Exval=0.; 79 G4double Exval=0.; 82 G4double Eyval=0.; 80 G4double Eyval=0.; 83 G4double Ezval=0.; 81 G4double Ezval=0.; 84 G4double Ex=0.; 82 G4double Ex=0.; 85 G4double Ey=0.; 83 G4double Ey=0.; 86 G4double Ez=0.; 84 G4double Ez=0.; 87 for (iz=0; iz<Enz; iz++) { 85 for (iz=0; iz<Enz; iz++) { 88 for (iy=0; iy<Eny; iy++) { 86 for (iy=0; iy<Eny; iy++) { 89 for (ix=0; ix<Enx; ix++) { 87 for (ix=0; ix<Enx; ix++) { 90 file >> Exval >> Eyval >> Ezval >> Ex 88 file >> Exval >> Eyval >> Ezval >> Ex >> Ey >> Ez; 91 << 89 92 if ( ix==0 && iy==0 && iz==0 ) { 90 if ( ix==0 && iy==0 && iz==0 ) { 93 Eminx = Exval * ElenUnit; 91 Eminx = Exval * ElenUnit; 94 Eminy = Eyval * ElenUnit; 92 Eminy = Eyval * ElenUnit; 95 Eminz = Ezval * ElenUnit; 93 Eminz = Ezval * ElenUnit; 96 } 94 } 97 xEField[ix][iy][iz] = Ex * EfieldUnit; 95 xEField[ix][iy][iz] = Ex * EfieldUnit; 98 yEField[ix][iy][iz] = Ey * EfieldUnit; 96 yEField[ix][iy][iz] = Ey * EfieldUnit; 99 zEField[ix][iy][iz] = Ez * EfieldUnit; 97 zEField[ix][iy][iz] = Ez * EfieldUnit; 100 } 98 } 101 } 99 } 102 } 100 } 103 file.close(); 101 file.close(); 104 lock.unlock(); 102 lock.unlock(); 105 103 106 Emaxx = Exval * ElenUnit; 104 Emaxx = Exval * ElenUnit; 107 Emaxy = Eyval * ElenUnit; 105 Emaxy = Eyval * ElenUnit; 108 Emaxz = Ezval * ElenUnit; 106 Emaxz = Ezval * ElenUnit; 109 107 110 G4cout << "\n ---> ... done reading " << G4e << 108 G4cout << "\n ---> ... done reading " << endl; 111 109 112 // G4cout << " Read values of field from fil << 110 // G4cout << " Read values of field from file " << filename << endl; 113 G4cout << " ---> assumed the order: x, y, z 111 G4cout << " ---> assumed the order: x, y, z, Ex, Ey, Ez " 114 << "\n ---> Min values x,y,z: " << 112 << "\n ---> Min values x,y,z: " 115 << Eminx/cm << " " << Eminy/cm << " " << Em 113 << Eminx/cm << " " << Eminy/cm << " " << Eminz/cm << " cm " 116 << "\n ---> Max values x,y,z: " << 114 << "\n ---> Max values x,y,z: " 117 << Emaxx/cm << " " << Emaxy/cm << " " << Em 115 << Emaxx/cm << " " << Emaxy/cm << " " << Emaxz/cm << " cm " 118 << "\n ---> The field will be offset in x b << 116 << "\n ---> The field will be offset in x by " << exOffset/cm << " cm " 119 << "\n ---> The field will be offset << 117 << "\n ---> The field will be offset in y by " << eyOffset/cm << " cm " 120 << "\n ---> The field will be offset << 118 << "\n ---> The field will be offset in z by " << ezOffset/cm << " cm " << endl; 121 119 122 // Should really check that the limits are n 120 // Should really check that the limits are not the wrong way around. 123 if (Emaxx < Eminx) {swap(Emaxx,Eminx); einve << 121 if (Emaxx < Eminx) {swap(Emaxx,Eminx); einvertX = true;} 124 if (Emaxy < Eminy) {swap(Emaxy,Eminy); einve << 122 if (Emaxy < Eminy) {swap(Emaxy,Eminy); einvertY = true;} 125 if (Emaxz < Eminz) {swap(Emaxz,Eminz); einve << 123 if (Emaxz < Eminz) {swap(Emaxz,Eminz); einvertZ = true;} 126 G4cout << "\nAfter reordering if neccesary" << 124 G4cout << "\nAfter reordering if neccesary" 127 << "\n ---> Min values x,y,z: " << 125 << "\n ---> Min values x,y,z: " 128 << Eminx/cm << " " << Eminy/cm << " " << Em 126 << Eminx/cm << " " << Eminy/cm << " " << Eminz/cm << " cm " 129 << " \n ---> Max values x,y,z: " << 127 << " \n ---> Max values x,y,z: " 130 << Emaxx/cm << " " << Emaxy/cm << " " << Em 128 << Emaxx/cm << " " << Emaxy/cm << " " << Emaxz/cm << " cm "; 131 129 132 dx1 = Emaxx - Eminx; 130 dx1 = Emaxx - Eminx; 133 dy1 = Emaxy - Eminy; 131 dy1 = Emaxy - Eminy; 134 dz1 = Emaxz - Eminz; 132 dz1 = Emaxz - Eminz; 135 G4cout << "\n ---> Dif values x,y,z (range): << 133 G4cout << "\n ---> Dif values x,y,z (range): " 136 << dx1/cm << " " << dy1/cm << " " << dz1/cm 134 << dx1/cm << " " << dy1/cm << " " << dz1/cm << " cm " 137 << "\n------------------------------------- << 135 << "\n-----------------------------------------------------------" << endl; 138 } 136 } 139 137 140 void HadrontherapyElectricTabulatedField3D::Ge 138 void HadrontherapyElectricTabulatedField3D::GetFieldValue(const G4double Epoint[4], 141 G4double *Efield ) const 139 G4double *Efield ) const 142 { 140 { 143 G4double x1 = Epoint[0] + feXoffset; << 141 G4double x1 = Epoint[0] + feXoffset; 144 G4double y1 = Epoint[1] + feYoffset; << 142 G4double y1 = Epoint[1] + feYoffset; 145 G4double z1 = Epoint[2] + feZoffset; << 143 G4double z1 = Epoint[2] + feZoffset; 146 << 144 >> 145 // Check that the point is within the defined region >> 146 if ( x1>=Eminx && x1<Emaxx && >> 147 y1>=Eminy && y1<Emaxy && >> 148 z1>=Eminz && z1<Emaxz ) { >> 149 147 // Position of given point within region, 150 // Position of given point within region, normalized to the range 148 // [0,1] 151 // [0,1] 149 G4double Exfraction = (x1 - Eminx) / dx1; 152 G4double Exfraction = (x1 - Eminx) / dx1; 150 G4double Eyfraction = (y1 - Eminy) / dy1; << 153 G4double Eyfraction = (y1 - Eminy) / dy1; 151 G4double Ezfraction = (z1 - Eminz) / dz1; 154 G4double Ezfraction = (z1 - Eminz) / dz1; 152 155 153 if (einvertX) { Exfraction = 1 - Exfractio 156 if (einvertX) { Exfraction = 1 - Exfraction;} 154 if (einvertY) { Eyfraction = 1 - Eyfractio 157 if (einvertY) { Eyfraction = 1 - Eyfraction;} 155 if (einvertZ) { Ezfraction = 1 - Ezfractio 158 if (einvertZ) { Ezfraction = 1 - Ezfraction;} 156 159 157 // Need addresses of these to pass to modf 160 // Need addresses of these to pass to modf below. 158 // modf uses its second argument as an OUT 161 // modf uses its second argument as an OUTPUT argument. 159 G4double exdindex, eydindex, ezdindex; 162 G4double exdindex, eydindex, ezdindex; 160 << 163 161 // Position of the point within the cuboid 164 // Position of the point within the cuboid defined by the 162 // nearest surrounding tabulated points 165 // nearest surrounding tabulated points 163 G4double exlocal = ( std::modf(Exfraction* 166 G4double exlocal = ( std::modf(Exfraction*(Enx-1), &exdindex)); 164 G4double eylocal = ( std::modf(Eyfraction* 167 G4double eylocal = ( std::modf(Eyfraction*(Eny-1), &eydindex)); 165 G4double ezlocal = ( std::modf(Ezfraction* 168 G4double ezlocal = ( std::modf(Ezfraction*(Enz-1), &ezdindex)); 166 << 169 167 // The indices of the nearest tabulated po 170 // The indices of the nearest tabulated point whose coordinates 168 // are all less than those of the given po 171 // are all less than those of the given point 169 G4int exindex = static_cast<G4int>(std::fl << 172 G4int exindex = static_cast<G4int>(exdindex); 170 G4int eyindex = static_cast<G4int>(std::fl << 173 G4int eyindex = static_cast<G4int>(eydindex); 171 G4int ezindex = static_cast<G4int>(std::fl << 174 G4int ezindex = static_cast<G4int>(ezdindex); 172 << 175 173 if ((exindex < 0) || (exindex >= Enx - 1) << 174 (eyindex < 0) || (eyindex >= Eny - 1) << 175 (ezindex < 0) || (ezindex >= Enz - 1)) << 176 { << 177 Efield[0] = 0.0; << 178 Efield[1] = 0.0; << 179 Efield[2] = 0.0; << 180 Efield[3] = 0.0; << 181 Efield[4] = 0.0; << 182 Efield[5] = 0.0; << 183 } << 184 else << 185 { << 186 << 187 /* 176 /* 188 #ifdef DEBUG_G4intERPOLATING_FIELD 177 #ifdef DEBUG_G4intERPOLATING_FIELD 189 G4cout << "Local x,y,z: " << exlocal << " << 178 G4cout << "Local x,y,z: " << exlocal << " " << eylocal << " " << ezlocal << endl; 190 G4cout << "Index x,y,z: " << exindex << " << 179 G4cout << "Index x,y,z: " << exindex << " " << eyindex << " " << ezindex << endl; 191 G4double valx0z0, mulx0z0, valx1z0, mulx1z 180 G4double valx0z0, mulx0z0, valx1z0, mulx1z0; 192 G4double valx0z1, mulx0z1, valx1z1, mulx1z 181 G4double valx0z1, mulx0z1, valx1z1, mulx1z1; 193 valx0z0= table[exindex ][0][ezindex]; mu 182 valx0z0= table[exindex ][0][ezindex]; mulx0z0= (1-exlocal) * (1-ezlocal); 194 valx1z0= table[exindex+1][0][ezindex]; mu 183 valx1z0= table[exindex+1][0][ezindex]; mulx1z0= exlocal * (1-ezlocal); 195 valx0z1= table[exindex ][0][ezindex+1]; m 184 valx0z1= table[exindex ][0][ezindex+1]; mulx0z1= (1-exlocal) * ezlocal; 196 valx1z1= table[exindex+1][0][ezindex+1]; m 185 valx1z1= table[exindex+1][0][ezindex+1]; mulx1z1= exlocal * ezlocal; 197 #endif 186 #endif 198 */ 187 */ 199 // Full 3-dimensional version 188 // Full 3-dimensional version 200 189 201 Efield[0] = 0.0; << 190 Efield[0] = 0.0; 202 Efield[1] = 0.0; << 191 Efield[1] = 0.0; 203 Efield[2] = 0.0; << 192 Efield[2] = 0.0; 204 << 193 205 Efield[3] = << 194 Efield[3] = 206 xEField[exindex ][eyindex ][ezinde << 195 xEField[exindex ][eyindex ][ezindex ] * (1-exlocal) * (1-eylocal) * (1-ezlocal) + 207 xEField[exindex ][eyindex ][ezinde << 196 xEField[exindex ][eyindex ][ezindex+1] * (1-exlocal) * (1-eylocal) * ezlocal + 208 xEField[exindex ][eyindex+1][ezinde << 197 xEField[exindex ][eyindex+1][ezindex ] * (1-exlocal) * eylocal * (1-ezlocal) + 209 xEField[exindex ][eyindex+1][ezinde << 198 xEField[exindex ][eyindex+1][ezindex+1] * (1-exlocal) * eylocal * ezlocal + 210 xEField[exindex+1][eyindex ][ezinde << 199 xEField[exindex+1][eyindex ][ezindex ] * exlocal * (1-eylocal) * (1-ezlocal) + 211 xEField[exindex+1][eyindex ][ezinde << 200 xEField[exindex+1][eyindex ][ezindex+1] * exlocal * (1-eylocal) * ezlocal + 212 xEField[exindex+1][eyindex+1][ezinde << 201 xEField[exindex+1][eyindex+1][ezindex ] * exlocal * eylocal * (1-ezlocal) + 213 xEField[exindex+1][eyindex+1][ezinde << 202 xEField[exindex+1][eyindex+1][ezindex+1] * exlocal * eylocal * ezlocal ; 214 Efield[4] = << 203 Efield[4] = 215 yEField[exindex ][eyindex ][ezinde << 204 yEField[exindex ][eyindex ][ezindex ] * (1-exlocal) * (1-eylocal) * (1-ezlocal) + 216 yEField[exindex ][eyindex ][ezinde << 205 yEField[exindex ][eyindex ][ezindex+1] * (1-exlocal) * (1-eylocal) * ezlocal + 217 yEField[exindex ][eyindex+1][ezinde << 206 yEField[exindex ][eyindex+1][ezindex ] * (1-exlocal) * eylocal * (1-ezlocal) + 218 yEField[exindex ][eyindex+1][ezinde << 207 yEField[exindex ][eyindex+1][ezindex+1] * (1-exlocal) * eylocal * ezlocal + 219 yEField[exindex+1][eyindex ][ezinde << 208 yEField[exindex+1][eyindex ][ezindex ] * exlocal * (1-eylocal) * (1-ezlocal) + 220 yEField[exindex+1][eyindex ][ezinde << 209 yEField[exindex+1][eyindex ][ezindex+1] * exlocal * (1-eylocal) * ezlocal + 221 yEField[exindex+1][eyindex+1][ezinde << 210 yEField[exindex+1][eyindex+1][ezindex ] * exlocal * eylocal * (1-ezlocal) + 222 yEField[exindex+1][eyindex+1][ezinde << 211 yEField[exindex+1][eyindex+1][ezindex+1] * exlocal * eylocal * ezlocal ; 223 Efield[5] = << 212 Efield[5] = 224 zEField[exindex ][eyindex ][ezinde << 213 zEField[exindex ][eyindex ][ezindex ] * (1-exlocal) * (1-eylocal) * (1-ezlocal) + 225 zEField[exindex ][eyindex ][ezinde << 214 zEField[exindex ][eyindex ][ezindex+1] * (1-exlocal) * (1-eylocal) * ezlocal + 226 zEField[exindex ][eyindex+1][ezinde << 215 zEField[exindex ][eyindex+1][ezindex ] * (1-exlocal) * eylocal * (1-ezlocal) + 227 zEField[exindex ][eyindex+1][ezinde << 216 zEField[exindex ][eyindex+1][ezindex+1] * (1-exlocal) * eylocal * ezlocal + 228 zEField[exindex+1][eyindex ][ezinde << 217 zEField[exindex+1][eyindex ][ezindex ] * exlocal * (1-eylocal) * (1-ezlocal) + 229 zEField[exindex+1][eyindex ][ezinde << 218 zEField[exindex+1][eyindex ][ezindex+1] * exlocal * (1-eylocal) * ezlocal + 230 zEField[exindex+1][eyindex+1][ezinde << 219 zEField[exindex+1][eyindex+1][ezindex ] * exlocal * eylocal * (1-ezlocal) + 231 zEField[exindex+1][eyindex+1][ezinde << 220 zEField[exindex+1][eyindex+1][ezindex+1] * exlocal * eylocal * ezlocal ; >> 221 >> 222 } else { >> 223 Efield[0] = 0.0; >> 224 Efield[1] = 0.0; >> 225 Efield[2] = 0.0; >> 226 Efield[3] = 0.0; >> 227 Efield[4] = 0.0; >> 228 Efield[5] = 0.0; 232 } 229 } 233 //G4cout << "Getting electric field " << Efiel << 230 //G4cout << "Getting electric field " << Efield[3]/(volt/m) << " " << Efield[4]/(volt/m) << " " << Efield[5]/(volt/m) << endl; 234 //G4cout << "For coordinates: " << Epoint[0] < 231 //G4cout << "For coordinates: " << Epoint[0] << " " << Epoint[1] << " " << Epoint[2] << G4endl; 235 232 236 /*std::ofstream WriteDataIn("ElectricFieldFC.o 233 /*std::ofstream WriteDataIn("ElectricFieldFC.out", std::ios::app); 237 WriteDataIn << Epoint[0] 234 WriteDataIn << Epoint[0] << '\t' << " " 238 << Epoint[1] << '\t' << " 235 << Epoint[1] << '\t' << " " 239 << Epoint[2] << '\t' << " 236 << Epoint[2] << '\t' << " " 240 << Efield[3]/(volt/m) << '\ 237 << Efield[3]/(volt/m) << '\t' << " " 241 << Efield[4]/(volt/m) << '\t 238 << Efield[4]/(volt/m) << '\t' << " " 242 << Efield[5]/(volt/m) << '\t 239 << Efield[5]/(volt/m) << '\t' << " " 243 << std::endl; */ << 240 << G4endl; */ 244 } 241 } >> 242 245 243