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Geant4/processes/electromagnetic/dna/models/src/G4DNASmoluchowskiDiffusion.cc

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Diff markup

Differences between /processes/electromagnetic/dna/models/src/G4DNASmoluchowskiDiffusion.cc (Version 11.3.0) and /processes/electromagnetic/dna/models/src/G4DNASmoluchowskiDiffusion.cc (Version 11.1.1)


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 25 //                                                 25 //
 26 /*                                                 26 /*
 27  * G4DNASmoluchowskiDiffusion.cc                   27  * G4DNASmoluchowskiDiffusion.cc
 28  *                                                 28  *
 29  *  Created on: 2 févr. 2015                      29  *  Created on: 2 févr. 2015
 30  *      Author: matkara                            30  *      Author: matkara
 31  */                                                31  */
 32                                                    32 
 33 //#define DNADEV_TEST                              33 //#define DNADEV_TEST
 34                                                    34 
 35 #ifdef DNADEV_TEST                                 35 #ifdef DNADEV_TEST
 36 #include ""                                        36 #include ""
 37 #else                                              37 #else
 38 #include "G4DNASmoluchowskiDiffusion.hh"           38 #include "G4DNASmoluchowskiDiffusion.hh"
 39 #endif                                             39 #endif
 40                                                    40 
 41 //#if __cplusplus >= 201103L                       41 //#if __cplusplus >= 201103L
 42 #ifdef DNADEV_TEST                                 42 #ifdef DNADEV_TEST
 43 #include "TRint.h"                                 43 #include "TRint.h"
 44 #include "TCanvas.h"                               44 #include "TCanvas.h"
 45 #include "TH1D.h"                                  45 #include "TH1D.h"
 46 #include "TRandom.h"                               46 #include "TRandom.h"
 47 #include "TMath.h"                                 47 #include "TMath.h"
 48 #endif                                             48 #endif
 49                                                    49 
 50 G4DNASmoluchowskiDiffusion::G4DNASmoluchowskiD     50 G4DNASmoluchowskiDiffusion::G4DNASmoluchowskiDiffusion(double epsilon) :  fEpsilon(epsilon)
 51 {                                                  51 {
 52   fNbins = (int) trunc(1/fEpsilon);                52   fNbins = (int) trunc(1/fEpsilon);
 53   // std::cout << "fNbins: " << fNbins << std:     53   // std::cout << "fNbins: " << fNbins << std::endl;
 54 #ifdef DNADEV                                      54 #ifdef DNADEV
 55   assert(fNbins > 0);                              55   assert(fNbins > 0);
 56 #endif                                             56 #endif
 57   fInverse.resize(fNbins+2); // trunc sous-est     57   fInverse.resize(fNbins+2); // trunc sous-estime + borne max a rajouter ==> 2
 58                                                    58 
 59   // std::cout << "fInverse.capacity(): "<< fI     59   // std::cout << "fInverse.capacity(): "<< fInverse.capacity() << std::endl;
 60 }                                                  60 }
 61                                                    61 
 62 G4DNASmoluchowskiDiffusion::~G4DNASmoluchowski     62 G4DNASmoluchowskiDiffusion::~G4DNASmoluchowskiDiffusion()
 63 = default;                                     <<  63 {
                                                   >>  64 }
 64 //#endif                                           65 //#endif
 65                                                    66 
 66 // --> G4DNASmoluchowskiDiffusion -- DEVELOPME     67 // --> G4DNASmoluchowskiDiffusion -- DEVELOPMENT TEST
 67 #ifdef DNADEV_TEST                                 68 #ifdef DNADEV_TEST
 68                                                    69 
 69 static G4DNASmoluchowskiDiffusion gDiff;           70 static G4DNASmoluchowskiDiffusion gDiff;
 70                                                    71 
 71 double time_test = 1e-6 /*s*/;                     72 double time_test = 1e-6 /*s*/;
 72 double D = 4.9e-9 /*m2/s*/;                        73 double D = 4.9e-9 /*m2/s*/;
 73 double test_distance = 1e-9; // m                  74 double test_distance = 1e-9; // m
 74                                                    75 
 75 double Plot(double* x, double* )                   76 double Plot(double* x, double* )
 76 {                                                  77 {
 77   double diff = gDiff.GetDensityProbability(x[     78   double diff = gDiff.GetDensityProbability(x[0], time_test, D);
 78   return diff;                                     79   return diff;
 79 }                                                  80 }
 80                                                    81 
 81 static double InvErfc(double x)                    82 static double InvErfc(double x)
 82 {                                                  83 {
 83   return TMath::ErfcInverse(x);                    84   return TMath::ErfcInverse(x);
 84 }                                                  85 }
 85                                                    86 
 86 Axis_t* BinLogX(Int_t bins, Axis_t from, Axis_     87 Axis_t* BinLogX(Int_t bins, Axis_t from, Axis_t to) // en puissance de 10
 87 {                                                  88 {
 88    Axis_t width = (to - from) / bins;              89    Axis_t width = (to - from) / bins;
 89    Axis_t *new_bins = new Axis_t[bins + 1];        90    Axis_t *new_bins = new Axis_t[bins + 1];
 90                                                    91 
 91    for (int i = 0; i <= bins; i++) {               92    for (int i = 0; i <= bins; i++) {
 92      new_bins[i] = TMath::Power(10, from + i *     93      new_bins[i] = TMath::Power(10, from + i * width);
 93 //     std::cout << new_bins[i] << std::endl;      94 //     std::cout << new_bins[i] << std::endl;
 94    }                                               95    }
 95    return new_bins;                                96    return new_bins;
 96 }                                                  97 }
 97                                                    98 
 98 int main(int argc, char **argv)                    99 int main(int argc, char **argv)
 99 {                                                 100 {
100   gDiff.InitialiseInverseProbability();           101   gDiff.InitialiseInverseProbability();
101 //  srand (time(NULL));                           102 //  srand (time(NULL));
102   TRint* root = new TRint("G4DNASmoluchowskiDi    103   TRint* root = new TRint("G4DNASmoluchowskiDiffusion",&argc, argv);
103   double interval = 1e-5;                         104   double interval = 1e-5;
104   G4DNASmoluchowskiDiffusion* diff = new G4DNA    105   G4DNASmoluchowskiDiffusion* diff = new G4DNASmoluchowskiDiffusion(interval);
105   diff->InitialiseInverseProbability();           106   diff->InitialiseInverseProbability();
106                                                   107 
107 //  for(size_t i = 0 ; i < diff->fInverse.size    108 //  for(size_t i = 0 ; i < diff->fInverse.size() ; ++i)
108 //  {                                             109 //  {
109 //    std::cout << i*interval << " "<< diff->f    110 //    std::cout << i*interval << " "<< diff->fInverse[i] << std::endl;
110 //  }                                             111 //  }
111                                                   112 
112   std::cout << diff->fInverse.size() << std::e    113   std::cout << diff->fInverse.size() << std::endl;
113                                                   114 
114   TCanvas* canvas = new TCanvas();                115   TCanvas* canvas = new TCanvas();
115   //canvas->SetLogx();                            116   //canvas->SetLogx();
116   //canvas->SetLogy();                            117   //canvas->SetLogy();
117 //                                                118 //
118 //  TF1 * f = new TF1("f",diff,&G4DNASmoluchow    119 //  TF1 * f = new TF1("f",diff,&G4DNASmoluchowskiDiffusion::PlotInverse,0,10,0,"G4DNASmoluchowskiDiffusion","Plot");   // create TF1 class.
119 //  f->SetNpx(100000);                            120 //  f->SetNpx(100000);
120 //  f->Draw();                                    121 //  f->Draw();
121 //  canvas->Draw();                               122 //  canvas->Draw();
122 //                                                123 //
123 //  canvas = new TCanvas();                       124 //  canvas = new TCanvas();
124   TH1D* h1 = new TH1D("h1", "h1", 100, 0., 1e-    125   TH1D* h1 = new TH1D("h1", "h1", 100, 0., 1e-6);
125   double distance = -1;                           126   double distance = -1;
126                                                   127 
127   int N = 100000;                                 128   int N = 100000;
128                                                   129 
129   for(size_t i = 0 ; i < N ; ++i)                 130   for(size_t i = 0 ; i < N ; ++i)
130   {                                               131   {
131     distance = diff->GetRandomDistance(time_te    132     distance = diff->GetRandomDistance(time_test,D);
132     h1->Fill(distance);                           133     h1->Fill(distance);
133     //std::cout << distance << std::endl;         134     //std::cout << distance << std::endl;
134   }                                               135   }
135                                                   136 
136   double scalf;                                   137   double scalf;
137                                                   138 
138   {                                               139   {
139   int integral_h1 = h1->Integral();               140   int integral_h1 = h1->Integral();
140   h1->Scale(1./integral_h1);                      141   h1->Scale(1./integral_h1);
141   scalf=h1->GetBinWidth ( 1 ) ;                   142   scalf=h1->GetBinWidth ( 1 ) ;
142   h1->Scale(1./scalf);                            143   h1->Scale(1./scalf);
143   h1->GetXaxis()->SetTitle("distance");           144   h1->GetXaxis()->SetTitle("distance");
144   }                                               145   }
145                                                   146 
146   TH1D* h2 = new TH1D("h2", "h2", 100, 0., 1e-    147   TH1D* h2 = new TH1D("h2", "h2", 100, 0., 1e-6);
147   TH1D* h_irt_distance = new TH1D("h2", "h2",     148   TH1D* h_irt_distance = new TH1D("h2", "h2", 100, 0., 1e-6);
148                                                   149 
149   for(size_t i = 0 ; i < N ; ++i)                 150   for(size_t i = 0 ; i < N ; ++i)
150   {                                               151   {
151     double x = std::sqrt(2*D*time_test)*root_r    152     double x = std::sqrt(2*D*time_test)*root_random.Gaus();
152     double y = std::sqrt(2*D*time_test)*root_r    153     double y = std::sqrt(2*D*time_test)*root_random.Gaus();
153     double z = std::sqrt(2*D*time_test)*root_r    154     double z = std::sqrt(2*D*time_test)*root_random.Gaus();
154                                                   155 
155     distance = std::sqrt(x*x+y*y+z*z);            156     distance = std::sqrt(x*x+y*y+z*z);
156     h2->Fill(distance);                           157     h2->Fill(distance);
157     //std::cout << distance << std::endl;         158     //std::cout << distance << std::endl;
158                                                   159 
159     double proba = root_random.Rndm();            160     double proba = root_random.Rndm();
160     double irt_distance = InvErfc(proba)*2*std    161     double irt_distance = InvErfc(proba)*2*std::sqrt(D*time_test);
161     h_irt_distance->Fill(irt_distance);           162     h_irt_distance->Fill(irt_distance);
162   }                                               163   }
163                                                   164 
164   {                                               165   {
165   int integral_h2 = h2->Integral();               166   int integral_h2 = h2->Integral();
166   h2->Scale(1./integral_h2);                      167   h2->Scale(1./integral_h2);
167   scalf=h2->GetBinWidth ( 1 ) ;                   168   scalf=h2->GetBinWidth ( 1 ) ;
168   h2->Scale(1./scalf);                            169   h2->Scale(1./scalf);
169   }                                               170   }
170                                                   171 
171   {                                               172   {
172   int integral_h_irt_distance = h_irt_distance    173   int integral_h_irt_distance = h_irt_distance->Integral();
173   h_irt_distance->Scale(1./integral_h_irt_dist    174   h_irt_distance->Scale(1./integral_h_irt_distance);
174   scalf = h_irt_distance->GetBinWidth ( 1 ) ;     175   scalf = h_irt_distance->GetBinWidth ( 1 ) ;
175   h_irt_distance->Scale(1./scalf);                176   h_irt_distance->Scale(1./scalf);
176   h_irt_distance->GetXaxis()->SetTitle("distan    177   h_irt_distance->GetXaxis()->SetTitle("distance");
177   }                                               178   }
178                                                   179 
179                                                   180 
180   TF1 * f2 = new TF1("f2",&Plot,0,1e-6,0,"Plot    181   TF1 * f2 = new TF1("f2",&Plot,0,1e-6,0,"Plot");   // create TF1 class.
181   //f2->SetNpx(1000);                             182   //f2->SetNpx(1000);
182   h1->Draw();                                     183   h1->Draw();
183   // h1->DrawNormalized();                        184   // h1->DrawNormalized();
184   f2->Draw("SAME");                               185   f2->Draw("SAME");
185   h2->Draw("SAME");                               186   h2->Draw("SAME");
186   h_irt_distance->Draw("SAME");                   187   h_irt_distance->Draw("SAME");
187   double integral = f2->Integral(0., 1e-6);       188   double integral = f2->Integral(0., 1e-6);
188   std::cout << "integral = " << integral << st    189   std::cout << "integral = " << integral << std::endl;
189   std::cout << "integral h1 = " << h1->Integra    190   std::cout << "integral h1 = " << h1->Integral() << std::endl;
190   canvas->Draw();                                 191   canvas->Draw();
191                                                   192 
192   std::vector<double> rdm(3);                     193   std::vector<double> rdm(3);
193   int nbins = 100;                                194   int nbins = 100;
194   Axis_t* bins = BinLogX(nbins, -12, -1);         195   Axis_t* bins = BinLogX(nbins, -12, -1);
195                                                   196 
196   TH1D* h3 = new TH1D("h3", "h3", 100, bins);     197   TH1D* h3 = new TH1D("h3", "h3", 100, bins);
197   TH1D* h4 = new TH1D("h4", "h4", 100, bins);     198   TH1D* h4 = new TH1D("h4", "h4", 100, bins);
198   TH1D* h_irt = new TH1D("h_irt", "h_irt", 100    199   TH1D* h_irt = new TH1D("h_irt", "h_irt", 100, bins);
199                                                   200 
200   for(size_t i = 0 ; i < N ; ++i)                 201   for(size_t i = 0 ; i < N ; ++i)
201   {                                               202   {
202     for(size_t j = 0 ; j < 3 ; ++j)               203     for(size_t j = 0 ; j < 3 ; ++j)
203       rdm[j] = root_random.Gaus();                204       rdm[j] = root_random.Gaus();
204                                                   205 
205     double denum = 1./(rdm[0]*rdm[0] + rdm[1]*    206     double denum = 1./(rdm[0]*rdm[0] + rdm[1]*rdm[1] + rdm[2]*rdm[2]);
206                                                   207 
207     double t = ((test_distance*test_distance)*    208     double t = ((test_distance*test_distance)*denum)*1./(2*D);
208     h3->Fill(t);                                  209     h3->Fill(t);
209                                                   210 
210     double t_h4 =  diff->GetRandomTime(test_di    211     double t_h4 =  diff->GetRandomTime(test_distance,D);
211     h4->Fill(t_h4);                               212     h4->Fill(t_h4);
212 //    std::cout << t  << " " << t_h4 << std::e    213 //    std::cout << t  << " " << t_h4 << std::endl;
213                                                   214 
214     double proba = root_random.Rndm();            215     double proba = root_random.Rndm();
215     double t_irt =  1./(4*D)*std::pow((test_di    216     double t_irt =  1./(4*D)*std::pow((test_distance)/InvErfc(proba),2);
216     h_irt ->Fill(t_irt);                          217     h_irt ->Fill(t_irt);
217   }                                               218   }
218                                                   219 
219   {                                               220   {
220     TCanvas* c1 = new TCanvas();                  221     TCanvas* c1 = new TCanvas();
221     c1->SetLogx();                                222     c1->SetLogx();
222     int integral_h3 = h3->Integral();             223     int integral_h3 = h3->Integral();
223     h3->Scale(1./integral_h3);                    224     h3->Scale(1./integral_h3);
224     scalf=h3->GetBinWidth ( 1 ) ;                 225     scalf=h3->GetBinWidth ( 1 ) ;
225     h3->Scale(1./scalf);                          226     h3->Scale(1./scalf);
226     h3->SetLineColor(1);                          227     h3->SetLineColor(1);
227     h3->GetXaxis()->SetTitle("time");;            228     h3->GetXaxis()->SetTitle("time");;
228     h3->Draw();                                   229     h3->Draw();
229   }                                               230   }
230                                                   231 
231   {                                               232   {
232 //    TCanvas* c1 = new TCanvas();                233 //    TCanvas* c1 = new TCanvas();
233 //    c1->SetLogx();                              234 //    c1->SetLogx();
234     int integral_h4 = h4->Integral();             235     int integral_h4 = h4->Integral();
235     h4->Scale(1./integral_h4);                    236     h4->Scale(1./integral_h4);
236     scalf=h4->GetBinWidth ( 1 ) ;                 237     scalf=h4->GetBinWidth ( 1 ) ;
237     h4->Scale(1./scalf);                          238     h4->Scale(1./scalf);
238     h4->SetLineColor(6);                          239     h4->SetLineColor(6);
239     h4->Draw("SAME");                             240     h4->Draw("SAME");
240   //  h4->Draw("SAME");                           241   //  h4->Draw("SAME");
241   }                                               242   }
242                                                   243 
243   {                                               244   {
244 //    TCanvas* c1 = new TCanvas();                245 //    TCanvas* c1 = new TCanvas();
245 //    c1->SetLogx();                              246 //    c1->SetLogx();
246     int integral_h_irt = h_irt->Integral();       247     int integral_h_irt = h_irt->Integral();
247     h_irt->Scale(1./integral_h_irt);              248     h_irt->Scale(1./integral_h_irt);
248     scalf=h_irt->GetBinWidth ( 1 ) ;              249     scalf=h_irt->GetBinWidth ( 1 ) ;
249     h_irt->Scale(1./scalf);                       250     h_irt->Scale(1./scalf);
250     h_irt->SetLineColor(4);                       251     h_irt->SetLineColor(4);
251     h_irt->Draw("SAME");                          252     h_irt->Draw("SAME");
252   //  h4->Draw("SAME");                           253   //  h4->Draw("SAME");
253   }                                               254   }
254   root->Run();                                    255   root->Run();
255   return 0;                                       256   return 0;
256 }                                                 257 }
257 #endif                                            258 #endif
258                                                   259