Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/advanced/underground_physics/src/DMXParticleSource.cc

Version: [ ReleaseNotes ] [ 1.0 ] [ 1.1 ] [ 2.0 ] [ 3.0 ] [ 3.1 ] [ 3.2 ] [ 4.0 ] [ 4.0.p1 ] [ 4.0.p2 ] [ 4.1 ] [ 4.1.p1 ] [ 5.0 ] [ 5.0.p1 ] [ 5.1 ] [ 5.1.p1 ] [ 5.2 ] [ 5.2.p1 ] [ 5.2.p2 ] [ 6.0 ] [ 6.0.p1 ] [ 6.1 ] [ 6.2 ] [ 6.2.p1 ] [ 6.2.p2 ] [ 7.0 ] [ 7.0.p1 ] [ 7.1 ] [ 7.1.p1 ] [ 8.0 ] [ 8.0.p1 ] [ 8.1 ] [ 8.1.p1 ] [ 8.1.p2 ] [ 8.2 ] [ 8.2.p1 ] [ 8.3 ] [ 8.3.p1 ] [ 8.3.p2 ] [ 9.0 ] [ 9.0.p1 ] [ 9.0.p2 ] [ 9.1 ] [ 9.1.p1 ] [ 9.1.p2 ] [ 9.1.p3 ] [ 9.2 ] [ 9.2.p1 ] [ 9.2.p2 ] [ 9.2.p3 ] [ 9.2.p4 ] [ 9.3 ] [ 9.3.p1 ] [ 9.3.p2 ] [ 9.4 ] [ 9.4.p1 ] [ 9.4.p2 ] [ 9.4.p3 ] [ 9.4.p4 ] [ 9.5 ] [ 9.5.p1 ] [ 9.5.p2 ] [ 9.6 ] [ 9.6.p1 ] [ 9.6.p2 ] [ 9.6.p3 ] [ 9.6.p4 ] [ 10.0 ] [ 10.0.p1 ] [ 10.0.p2 ] [ 10.0.p3 ] [ 10.0.p4 ] [ 10.1 ] [ 10.1.p1 ] [ 10.1.p2 ] [ 10.1.p3 ] [ 10.2 ] [ 10.2.p1 ] [ 10.2.p2 ] [ 10.2.p3 ] [ 10.3 ] [ 10.3.p1 ] [ 10.3.p2 ] [ 10.3.p3 ] [ 10.4 ] [ 10.4.p1 ] [ 10.4.p2 ] [ 10.4.p3 ] [ 10.5 ] [ 10.5.p1 ] [ 10.6 ] [ 10.6.p1 ] [ 10.6.p2 ] [ 10.6.p3 ] [ 10.7 ] [ 10.7.p1 ] [ 10.7.p2 ] [ 10.7.p3 ] [ 10.7.p4 ] [ 11.0 ] [ 11.0.p1 ] [ 11.0.p2 ] [ 11.0.p3, ] [ 11.0.p4 ] [ 11.1 ] [ 11.1.1 ] [ 11.1.2 ] [ 11.1.3 ] [ 11.2 ] [ 11.2.1 ] [ 11.2.2 ] [ 11.3.0 ]

Diff markup

Differences between /examples/advanced/underground_physics/src/DMXParticleSource.cc (Version 11.3.0) and /examples/advanced/underground_physics/src/DMXParticleSource.cc (Version 11.0.p3,)


** Warning: Cannot open xref database.

  1 //                                                  1 
  2 // *******************************************    
  3 // * License and Disclaimer                       
  4 // *                                              
  5 // * The  Geant4 software  is  copyright of th    
  6 // * the Geant4 Collaboration.  It is provided    
  7 // * conditions of the Geant4 Software License    
  8 // * LICENSE and available at  http://cern.ch/    
  9 // * include a list of copyright holders.         
 10 // *                                              
 11 // * Neither the authors of this software syst    
 12 // * institutes,nor the agencies providing fin    
 13 // * work  make  any representation or  warran    
 14 // * regarding  this  software system or assum    
 15 // * use.  Please see the license in the file     
 16 // * for the full disclaimer and the limitatio    
 17 // *                                              
 18 // * This  code  implementation is the result     
 19 // * technical work of the GEANT4 collaboratio    
 20 // * By using,  copying,  modifying or  distri    
 21 // * any work based  on the software)  you  ag    
 22 // * use  in  resulting  scientific  publicati    
 23 // * acceptance of all terms of the Geant4 Sof    
 24 // *******************************************    
 25 //                                                
 26 //                                                
 27 // -------------------------------------------    
 28 //   GEANT 4 - Underground Dark Matter Detecto    
 29 //                                                
 30 //      For information related to this code c    
 31 //      e-mail: alexander.howard@cern.ch          
 32 // -------------------------------------------    
 33 // Comments                                       
 34 //                                                
 35 //                  Underground Advanced          
 36 //               by A. Howard and H. Araujo       
 37 //                    (27th November 2001)        
 38 //                                                
 39 //                                                
 40 // ParticleSource program                         
 41 // -------------------------------------------    
 42 //////////////////////////////////////////////    
 43 // This particle source is a shortened version    
 44 // C Ferguson, F Lei & P Truscott (University     
 45 // some minor modifications.                      
 46 //////////////////////////////////////////////    
 47                                                   
 48 #include <cmath>                                  
 49                                                   
 50 #include "DMXParticleSource.hh"                   
 51                                                   
 52 #include "G4PhysicalConstants.hh"                 
 53 #include "G4SystemOfUnits.hh"                     
 54 #include "G4PrimaryParticle.hh"                   
 55 #include "G4Event.hh"                             
 56 #include "Randomize.hh"                           
 57 #include "G4TransportationManager.hh"             
 58 #include "G4VPhysicalVolume.hh"                   
 59 #include "G4PhysicalVolumeStore.hh"               
 60 #include "G4ParticleTable.hh"                     
 61 #include "G4ParticleDefinition.hh"                
 62 #include "G4IonTable.hh"                          
 63 #include "G4Ions.hh"                              
 64 #include "G4TrackingManager.hh"                   
 65 #include "G4Track.hh"                             
 66                                                   
 67                                                   
 68 DMXParticleSource::DMXParticleSource() {          
 69                                                   
 70   NumberOfParticlesToBeGenerated = 1;             
 71   particle_definition = nullptr;                  
 72   G4ThreeVector zero(0., 0., 0.);                 
 73   particle_momentum_direction = G4ParticleMome    
 74   particle_energy = 1.0*MeV;                      
 75   particle_position = zero;                       
 76   particle_time = 0.0;                            
 77   particle_polarization = zero;                   
 78   particle_charge = 0.0;                          
 79                                                   
 80   SourcePosType = "Volume";                       
 81   Shape = "NULL";                                 
 82   halfz = 0.;                                     
 83   Radius = 0.;                                    
 84   CentreCoords = zero;                            
 85   Confine = false;                                
 86   VolName = "NULL";                               
 87                                                   
 88   AngDistType = "iso";                            
 89   MinTheta = 0.;                                  
 90   MaxTheta = pi;                                  
 91   MinPhi = 0.;                                    
 92   MaxPhi = twopi;                                 
 93                                                   
 94   EnergyDisType = "Mono";                         
 95   MonoEnergy = 1*MeV;                             
 96                                                   
 97   verbosityLevel = 0;                             
 98                                                   
 99   theMessenger = new DMXParticleSourceMessenge    
100   gNavigator = G4TransportationManager::GetTra    
101     ->GetNavigatorForTracking();                  
102 }                                                 
103                                                   
104 DMXParticleSource::~DMXParticleSource()           
105 {                                                 
106   delete theMessenger;                            
107 }                                                 
108                                                   
109 void DMXParticleSource::SetPosDisType(G4String    
110 {                                                 
111   SourcePosType = PosType;                        
112 }                                                 
113                                                   
114 void DMXParticleSource::SetPosDisShape(G4Strin    
115 {                                                 
116   Shape = shapeType;                              
117 }                                                 
118                                                   
119 void DMXParticleSource::SetCentreCoords(G4Thre    
120 {                                                 
121   CentreCoords = coordsOfCentre;                  
122 }                                                 
123                                                   
124 void DMXParticleSource::SetHalfZ(G4double zhal    
125 {                                                 
126   halfz = zhalf;                                  
127 }                                                 
128                                                   
129 void DMXParticleSource::SetRadius(G4double rad    
130 {                                                 
131   Radius = radius;                                
132 }                                                 
133                                                   
134 void DMXParticleSource::ConfineSourceToVolume(    
135 {                                                 
136   VolName = Vname;                                
137   if(verbosityLevel == 2) G4cout << VolName <<    
138                                                   
139   // checks if selected volume exists             
140   G4VPhysicalVolume *tempPV      = nullptr;       
141   G4PhysicalVolumeStore *PVStore = nullptr;       
142   G4String theRequiredVolumeName = VolName;       
143   PVStore = G4PhysicalVolumeStore::GetInstance    
144   G4bool found = false;                           
145   if(verbosityLevel == 2) G4cout << PVStore->s    
146                                                   
147   tempPV = PVStore->GetVolume(theRequiredVolum    
148   if (tempPV != nullptr) { found = true; }        
149                                                   
150   // found = true then the volume exists else     
151   if(found == true) {                             
152     if(verbosityLevel >= 1)                       
153       G4cout << "Volume " << VolName << " exis    
154     Confine = true;                               
155   }                                               
156   else if(VolName=="NULL")                        
157     Confine = false;                              
158   else {                                          
159     G4cout << " **** Error: Volume does not ex    
160     G4cout << " Ignoring confine condition" <<    
161     VolName = "NULL";                             
162     Confine = false;                              
163   }                                               
164 }                                                 
165                                                   
166 void DMXParticleSource::SetAngDistType(G4Strin    
167 {                                                 
168   AngDistType = atype;                            
169 }                                                 
170                                                   
171 void DMXParticleSource::GeneratePointSource()     
172 {                                                 
173   // Generates Points given the point source.     
174   if(SourcePosType == "Point")                    
175     particle_position = CentreCoords;             
176   else                                            
177     if(verbosityLevel >= 1)                       
178       G4cout << "Error SourcePosType is not se    
179 }                                                 
180                                                   
181 void DMXParticleSource::GeneratePointsInVolume    
182 {                                                 
183   G4ThreeVector RandPos;                          
184   G4double x=0., y=0., z=0.;                      
185                                                   
186   if(SourcePosType != "Volume" && verbosityLev    
187     G4cout << "Error SourcePosType not Volume"    
188                                                   
189   if(Shape == "Sphere") {                         
190     x = Radius*2.;                                
191     y = Radius*2.;                                
192     z = Radius*2.;                                
193     while(((x*x)+(y*y)+(z*z)) > (Radius*Radius    
194       x = G4UniformRand();                        
195       y = G4UniformRand();                        
196       z = G4UniformRand();                        
197                                                   
198       x = (x*2.*Radius) - Radius;                 
199       y = (y*2.*Radius) - Radius;                 
200       z = (z*2.*Radius) - Radius;                 
201     }                                             
202   }                                               
203                                                   
204   else if(Shape == "Cylinder") {                  
205     x = Radius*2.;                                
206     y = Radius*2.;                                
207     while(((x*x)+(y*y)) > (Radius*Radius)) {      
208       x = G4UniformRand();                        
209       y = G4UniformRand();                        
210       z = G4UniformRand();                        
211       x = (x*2.*Radius) - Radius;                 
212       y = (y*2.*Radius) - Radius;                 
213       z = (z*2.*halfz) - halfz;                   
214     }                                             
215   }                                               
216                                                   
217   else                                            
218     G4cout << "Error: Volume Shape Does Not Ex    
219                                                   
220   RandPos.setX(x);                                
221   RandPos.setY(y);                                
222   RandPos.setZ(z);                                
223   particle_position = CentreCoords + RandPos;     
224                                                   
225 }                                                 
226                                                   
227 G4bool DMXParticleSource::IsSourceConfined()      
228 {                                                 
229                                                   
230   // Method to check point is within the volum    
231   if(Confine == false)                            
232     G4cout << "Error: Confine is false" << G4e    
233   G4ThreeVector null_vec(0.,0.,0.);               
234   G4ThreeVector *ptr = &null_vec;                 
235                                                   
236   // Check particle_position is within VolName    
237   G4VPhysicalVolume *theVolume;                   
238   theVolume=gNavigator->LocateGlobalPointAndSe    
239   G4String theVolName = theVolume->GetName();     
240   if(theVolName == VolName) {                     
241     if(verbosityLevel >= 1)                       
242       G4cout << "Particle is in volume " << Vo    
243     return(true);                                 
244   }                                               
245   else                                            
246     return(false);                                
247 }                                                 
248                                                   
249 void DMXParticleSource::SetParticleMomentumDir    
250    (G4ParticleMomentum aDirection) {              
251                                                   
252   particle_momentum_direction =  aDirection.un    
253 }                                                 
254                                                   
255 void DMXParticleSource::GenerateIsotropicFlux(    
256 {                                                 
257                                                   
258   G4double rndm, rndm2;                           
259   G4double px, py, pz;                            
260                                                   
261   G4double sintheta, sinphi, costheta, cosphi;    
262   rndm = G4UniformRand();                         
263   costheta = std::cos(MinTheta) - rndm * (std:    
264                                 - std::cos(Max    
265   sintheta = std::sqrt(1. - costheta*costheta)    
266                                                   
267   rndm2 = G4UniformRand();                        
268   Phi = MinPhi + (MaxPhi - MinPhi) * rndm2;       
269   sinphi = std::sin(Phi);                         
270   cosphi = std::cos(Phi);                         
271                                                   
272   px = -sintheta * cosphi;                        
273   py = -sintheta * sinphi;                        
274   pz = -costheta;                                 
275                                                   
276   G4double ResMag = std::sqrt((px*px) + (py*py    
277   px = px/ResMag;                                 
278   py = py/ResMag;                                 
279   pz = pz/ResMag;                                 
280                                                   
281   particle_momentum_direction.setX(px);           
282   particle_momentum_direction.setY(py);           
283   particle_momentum_direction.setZ(pz);           
284                                                   
285   // particle_momentum_direction now holds uni    
286   if(verbosityLevel >= 2)                         
287     G4cout << "Generating isotropic vector: "     
288            << particle_momentum_direction << G    
289 }                                                 
290                                                   
291 void DMXParticleSource::SetEnergyDisType(G4Str    
292 {                                                 
293   EnergyDisType = DisType;                        
294 }                                                 
295                                                   
296 void DMXParticleSource::SetMonoEnergy(G4double    
297 {                                                 
298   MonoEnergy = menergy;                           
299 }                                                 
300                                                   
301 void DMXParticleSource::GenerateMonoEnergetic(    
302 {                                                 
303   particle_energy = MonoEnergy;                   
304 }                                                 
305                                                   
306 void DMXParticleSource::SetVerbosity(int vL)      
307 {                                                 
308   verbosityLevel = vL;                            
309   G4cout << "Verbosity Set to: " << verbosityL    
310 }                                                 
311                                                   
312 void DMXParticleSource::SetParticleDefinition     
313   (G4ParticleDefinition* aParticleDefinition)     
314 {                                                 
315   particle_definition = aParticleDefinition;      
316   particle_charge = particle_definition->GetPD    
317 }                                                 
318                                                   
319 void DMXParticleSource::GeneratePrimaryVertex(    
320 {                                                 
321                                                   
322   if(particle_definition==nullptr) {              
323     G4cout << "No particle has been defined!"     
324     return;                                       
325   }                                               
326                                                   
327   // Position                                     
328   G4bool srcconf = false;                         
329   G4int LoopCount = 0;                            
330                                                   
331   while(srcconf == false)  {                      
332     if(SourcePosType == "Point")                  
333       GeneratePointSource();                      
334     else if(SourcePosType == "Volume")            
335       GeneratePointsInVolume();                   
336     else {                                        
337       G4cout << "Error: SourcePosType undefine    
338       G4cout << "Generating point source" << G    
339       GeneratePointSource();                      
340     }                                             
341     if(Confine == true) {                         
342       srcconf = IsSourceConfined();               
343       // if source in confined srcconf = true     
344       // if source isnt confined srcconf = fal    
345     }                                             
346     else if(Confine == false)                     
347       srcconf = true; // terminate loop           
348                                                   
349     ++LoopCount;                                  
350     if(LoopCount == 100000) {                     
351       G4cout << "*****************************    
352         G4cout << "LoopCount = 100000" << G4en    
353         G4cout << "Either the source distribut    
354         G4cout << "or any confining volume may    
355         G4cout << "the source distribution or     
356         G4cout << "may not exist"<< G4endl;       
357         G4cout << "If you have set confine the    
358         G4cout << "for this event." << G4endl;    
359         G4cout << "***************************    
360         srcconf = true; //Avoids an infinite l    
361       }                                           
362   }                                               
363                                                   
364   // Angular stuff                                
365   if(AngDistType == "iso")                        
366     GenerateIsotropicFlux();                      
367   else if(AngDistType == "direction")             
368     SetParticleMomentumDirection(particle_mome    
369   else                                            
370     G4cout << "Error: AngDistType has unusual     
371   // Energy stuff                                 
372   if(EnergyDisType == "Mono")                     
373     GenerateMonoEnergetic();                      
374   else                                            
375     G4cout << "Error: EnergyDisType has unusua    
376                                                   
377   // create a new vertex                          
378   G4PrimaryVertex* vertex =                       
379     new G4PrimaryVertex(particle_position,part    
380                                                   
381   if(verbosityLevel >= 2)                         
382     G4cout << "Creating primaries and assignin    
383   // create new primaries and set them to the     
384   G4double mass =  particle_definition->GetPDG    
385   G4double energy = particle_energy + mass;       
386   G4double pmom = std::sqrt(energy*energy-mass    
387   G4double px = pmom*particle_momentum_directi    
388   G4double py = pmom*particle_momentum_directi    
389   G4double pz = pmom*particle_momentum_directi    
390                                                   
391   if(verbosityLevel >= 1){                        
392     G4cout << "Particle name: "                   
393            << particle_definition->GetParticle    
394     G4cout << "       Energy: "<<particle_ener    
395     G4cout << "     Position: "<<particle_posi    
396     G4cout << "    Direction: "<<particle_mome    
397     G4cout << " NumberOfParticlesToBeGenerated    
398            << NumberOfParticlesToBeGenerated <    
399   }                                               
400                                                   
401   for( G4int i=0; i<NumberOfParticlesToBeGener    
402     G4PrimaryParticle* particle =                 
403       new G4PrimaryParticle(particle_definitio    
404     particle->SetMass( mass );                    
405     particle->SetCharge( particle_charge );       
406     particle->SetPolarization(particle_polariz    
407                               particle_polariz    
408                               particle_polariz    
409     vertex->SetPrimary( particle );               
410   }                                               
411   evt->AddPrimaryVertex( vertex );                
412   if(verbosityLevel > 1)                          
413     G4cout << " Primary Vetex generated "<< G4    
414 }                                                 
415