Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/advanced/doiPET/include/doiPETAnalysis.hh

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/doiPET/include/doiPETAnalysis.hh (Version 11.3.0) and /examples/advanced/doiPET/include/doiPETAnalysis.hh (Version 10.7.p2)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
  3 // * License and Disclaimer                         3 // * License and Disclaimer                                           *
  4 // *                                                4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of th      5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  6 // * the Geant4 Collaboration.  It is provided      6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License      7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/      8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  9 // * include a list of copyright holders.           9 // * include a list of copyright holders.                             *
 10 // *                                               10 // *                                                                  *
 11 // * Neither the authors of this software syst     11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing fin     12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warran     13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assum     14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file      15 // * use.  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 //GEANT4 - Depth-of-Interaction enabled Positr     26 //GEANT4 - Depth-of-Interaction enabled Positron emission tomography (PET) advanced example 
 27                                                    27 
 28 //Authors and contributors                         28 //Authors and contributors
 29                                                    29 
 30 // Author list to be updated, with names of co     30 // Author list to be updated, with names of co-authors and contributors from National Institute of Radiological Sciences (NIRS)
 31                                                    31 
 32 // Abdella M. Ahmed (1, 2), Andrew Chacon (1,      32 // Abdella M. Ahmed (1, 2), Andrew Chacon (1, 2), Harley Rutherford (1, 2),
 33 // Hideaki Tashima (3), Go Akamatsu (3), Akram     33 // Hideaki Tashima (3), Go Akamatsu (3), Akram Mohammadi (3), Eiji Yoshida (3), Taiga Yamaya (3)
 34 // Susanna Guatelli (2), and Mitra Safavi-Naei     34 // Susanna Guatelli (2), and Mitra Safavi-Naeini (1, 2)
 35                                                    35 
 36 // (1) Australian Nuclear Science and Technolo     36 // (1) Australian Nuclear Science and Technology Organisation, Australia
 37 // (2) University of Wollongong, Australia         37 // (2) University of Wollongong, Australia
 38 // (3) National Institute of Radiological Scie     38 // (3) National Institute of Radiological Sciences, Japan
 39                                                    39 
 40                                                    40 
 41 #ifndef doiPETAnalysis_h                           41 #ifndef doiPETAnalysis_h 
 42 #define doiPETAnalysis_h  1                        42 #define doiPETAnalysis_h  1
 43                                                    43 
 44 #include "doiPETGlobalParameters.hh"               44 #include "doiPETGlobalParameters.hh"
 45 #include "globals.hh"                              45 #include "globals.hh"
 46 #include <vector>                                  46 #include <vector>
 47 #include <time.h>                                  47 #include <time.h>
 48 #include <map>                                     48 #include <map>
 49 #include <set>                                     49 #include <set>
 50 #include "G4ThreeVector.hh"                        50 #include "G4ThreeVector.hh"
 51 #include <iostream>                                51 #include <iostream>
 52 #include <fstream>                                 52 #include <fstream>
 53 #include <sstream>                                 53 #include <sstream>
 54 #include <iterator>                                54 #include <iterator>
 55 #include <vector>                                  55 #include <vector>
 56 #include <algorithm>                               56 #include <algorithm> 
 57 #include "G4AnalysisManager.hh"                << 
 58                                                    57 
 59 // Define the total number of columns in the n <<  58 #ifdef USEROOT
 60 const G4int MaxNtCol = 17;                     <<  59 #pragma GCC diagnostic push
                                                   >>  60 #pragma GCC diagnostic ignored "-Wshadow"
                                                   >>  61 #include "TRandom3.h"
                                                   >>  62 #include "TFile.h"
                                                   >>  63 #include "TNtuple.h"
                                                   >>  64 #include "g4root.hh"
                                                   >>  65 #include "TROOT.h"
                                                   >>  66 #include "TFile.h"
                                                   >>  67 #include "TH1.h"
                                                   >>  68 #include "TH2.h"
                                                   >>  69 #include "TTree.h"
                                                   >>  70 #include "TLeaf.h"
                                                   >>  71 #include "TSystem.h"
                                                   >>  72 #pragma GCC diagnostic pop
                                                   >>  73 #endif
 61                                                    74 
 62 class doiPETAnalysisMessenger;                     75 class doiPETAnalysisMessenger;
 63                                                    76 
 64 //class InteractionInformation;                    77 //class InteractionInformation; 
 65                                                    78 
 66 class doiPETAnalysis                               79 class doiPETAnalysis
 67 {                                                  80 {
 68 private:                                           81 private:
 69   doiPETAnalysis();                                82   doiPETAnalysis();
 70                                                    83 
 71 public:                                            84 public:
 72   ~doiPETAnalysis();                               85   ~doiPETAnalysis();
 73   static doiPETAnalysis* GetInstance();            86   static doiPETAnalysis* GetInstance();
 74   void FindInteractingCrystal();                   87   void FindInteractingCrystal();
 75   void Open(G4String);                             88   void Open(G4String);
 76   void Close();                                    89   void Close();
 77   void Delete();                                   90   void Delete();
 78   void ResetNumberOfHits();                        91   void ResetNumberOfHits();
 79   void Write(/*G4int, G4int, G4int, G4double*/     92   void Write(/*G4int, G4int, G4int, G4double*/);
 80   void WriteOutput();                              93   void WriteOutput();
 81                                                    94 
 82   //void GetIntractionInfomation(InteractionIn     95   //void GetIntractionInfomation(InteractionInformation*);
 83                                                    96 
 84   void GetParentParticleName(G4String);            97   void GetParentParticleName(G4String);
 85   void GetSizeOfDetector (G4double, G4double,      98   void GetSizeOfDetector (G4double, G4double, G4double);
 86   void SetScatterIndexInPhantom(G4int);        <<  99   void GetScatterIndexInPhantom(G4double);
 87                                                   100 
 88   void SetSourcePosition(G4ThreeVector);//        101   void SetSourcePosition(G4ThreeVector);//
 89   void SetEventID(G4int);                         102   void SetEventID(G4int);
 90                                                   103 
 91   void BlurringParameters();                      104   void BlurringParameters();
 92   void GetTimeOfAnnihilation(G4double);           105   void GetTimeOfAnnihilation(G4double);
 93                                                << 
 94                                                   106 
 95   void PMTPosition();                             107   void PMTPosition();
 96   void AngerLogic(G4double, G4double, G4double << 108   void AngerLogic(G4int, G4int, G4int, G4double, G4double, G4double, G4double);
 97   void ReadReflectorPattern();                    109   void ReadReflectorPattern();
 98   void PrepareDOILookUpTable(G4String);        << 
 99                                                   110 
100   void SetActivity(G4double);                     111   void SetActivity(G4double);
101   void SetIsotopeHalfLife(G4double);              112   void SetIsotopeHalfLife(G4double);
102   void CrystalIDAfterAngerLogic(G4int, G4int,     113   void CrystalIDAfterAngerLogic(G4int, G4int, G4int);
103   void TypeOfOutput(G4String);//Single or coin    114   void TypeOfOutput(G4String);//Single or coincidence list-mode data
104   void CalulateAcquisitionTime();                 115   void CalulateAcquisitionTime();
105   //G4double QuantumEffifciency(G4double);        116   //G4double QuantumEffifciency(G4double);
106   G4double QuantumEffifciency(G4double, G4int,    117   G4double QuantumEffifciency(G4double, G4int, G4int);
107   void ReadOut(G4int, G4int, G4double, G4doubl    118   void ReadOut(G4int, G4int, G4double, G4double, G4ThreeVector, G4double);
108                                                   119 
109   //G4ROOT                                     << 
110   void book(); // booking the ROOT file        << 
111                                                << 
112                                                << 
113   void FillListModeEvent(); //Single or Coinsi << 
114   void finish();                               << 
115   // Close the ROOT file with all the results  << 
116                                                << 
117                                                << 
118 private:                                          120 private:
119   static doiPETAnalysis* instance;                121   static doiPETAnalysis* instance;
120   doiPETAnalysisMessenger* fAnalysisMessenger;    122   doiPETAnalysisMessenger* fAnalysisMessenger;
121   //std::multimap< G4int, InteractionInformati    123   //std::multimap< G4int, InteractionInformation* > mapBlockInteraction;
122   std::set<G4int> setBlockInteraction;            124   std::set<G4int> setBlockInteraction;
123                                                   125 
124   G4double upperThreshold, lowerThreshold;     << 126   G4double upperThreshold, lowerThreshold;  
125   G4double triggerEnergy;                      << 
126                                                   127 
127   //G4ROOT                                     << 
128   G4bool factoryOn;                            << 
129   G4int  fNtColId[MaxNtCol];                   << 
130   //                                           << 
131                                                   128 
132                                                   129 
133   //G4ThreeVector sourcePosition;                 130   //G4ThreeVector sourcePosition;
134                                                   131 
135                                                   132 
136                                                   133 
137   //                                              134   //
138   G4int scatterIndex;                             135   G4int scatterIndex;
139                                                   136 
140   G4String parentParticleName;//                  137   G4String parentParticleName;//
141                                                   138 
142   //                                              139   //
143   G4int numberofInteractions;                     140   G4int numberofInteractions;
144   G4int countCoincidence;                         141   G4int countCoincidence;
145                                                   142 
146   G4int numberOfBlocks_total;                     143   G4int numberOfBlocks_total;
147                                                   144 
148   G4double sizeOfDetector_DOI,sizeOfDetector_a    145   G4double sizeOfDetector_DOI,sizeOfDetector_axial,sizeOfDetector_tangential;
149                                                   146 
150   //Virtual position of the PMT                   147   //Virtual position of the PMT
151   G4double signalPMT1, signalPMT2, signalPMT3,    148   G4double signalPMT1, signalPMT2, signalPMT3, signalPMT4;
152                                                   149 
153   G4double posPMT1x, posPMT2x, posPMT3x, posPM    150   G4double posPMT1x, posPMT2x, posPMT3x, posPMT4x;
154   G4double posPMT1y, posPMT2y, posPMT3y, posPM    151   G4double posPMT1y, posPMT2y, posPMT3y, posPMT4y;
155   G4double posPMT1z, posPMT2z, posPMT3z, posPM    152   G4double posPMT1z, posPMT2z, posPMT3z, posPMT4z;
156                                                   153 
157   //                                              154   //
158   G4double signalPMT1z, signalPMT2z, signalPMT    155   G4double signalPMT1z, signalPMT2z, signalPMT3z, signalPMT4z;
159   G4double signalPMT1y, signalPMT2y, signalPMT    156   G4double signalPMT1y, signalPMT2y, signalPMT3y, signalPMT4y;
160                                                   157 
161   //                                              158   //
162   G4double signalZplus, signalZminus;             159   G4double signalZplus, signalZminus; 
163   G4double signalYplus, signalYminus;             160   G4double signalYplus, signalYminus;
164   //                                              161   //
165                                                   162 
166   G4double dist1z, dist2z, dist3z, dist4z, dis    163   G4double dist1z, dist2z, dist3z, dist4z, distz;
167   G4double dist1y, dist2y, dist3y, dist4y, dis    164   G4double dist1y, dist2y, dist3y, dist4y, disty;
168                                                   165 
169   G4double shiftCoeff;                            166   G4double shiftCoeff;
170                                                   167 
171   G4double PositionAngerZ, PositionAngerY;        168   G4double PositionAngerZ, PositionAngerY;
172                                                << 169 
173   //reflector pattern                             170   //reflector pattern
174   std::vector<G4int> ireflectorLayer1_Tangenti    171   std::vector<G4int> ireflectorLayer1_Tangential;
175   std::vector<G4int> ireflectorLayer1_Axial;      172   std::vector<G4int> ireflectorLayer1_Axial;
176   std::vector<G4int> ireflectorLayer2_Tangenti    173   std::vector<G4int> ireflectorLayer2_Tangential;
177   std::vector<G4int> ireflectorLayer2_Axial;      174   std::vector<G4int> ireflectorLayer2_Axial;
178   std::vector<G4int> ireflectorLayer3_Tangenti    175   std::vector<G4int> ireflectorLayer3_Tangential;
179   std::vector<G4int> ireflectorLayer3_Axial;      176   std::vector<G4int> ireflectorLayer3_Axial;
180   std::vector<G4int> ireflectorLayer4_Tangenti    177   std::vector<G4int> ireflectorLayer4_Tangential;
181   std::vector<G4int> ireflectorLayer4_Axial;      178   std::vector<G4int> ireflectorLayer4_Axial;
182   std::vector<G4int> doi_table;                   179   std::vector<G4int> doi_table;
183   //                                              180   //
184                                                   181 
185   //The number of pixes for the 2D position hi    182   //The number of pixes for the 2D position histogram after Anger Logic calculation 
186   G4int numberOfPixel_axial;                      183   G4int numberOfPixel_axial;
187   G4int numberOfPixel_tan;                        184   G4int numberOfPixel_tan;
188                                                   185 
189   //source position                               186   //source position
190   G4double spositionX;                            187   G4double spositionX;
191   G4double spositionY;                            188   G4double spositionY;
192   G4double spositionZ;                            189   G4double spositionZ;
193                                                   190 
194   //interaction position with respect to the c    191   //interaction position with respect to the crystal axis
195   G4ThreeVector interactionPos;                   192   G4ThreeVector interactionPos;
196                                                   193 
197   //interaction position                       << 
198   G4double intPosX;                            << 
199   G4double intPosY;                            << 
200   G4double intPosZ;                            << 
201                                                << 
202                                                   194 
203   G4double interactionTime;                       195   G4double interactionTime;
204                                                   196 
205   G4int crystalID;//contineous crystal ID in 3    197   G4int crystalID;//contineous crystal ID in 3D
206   G4int crystalID_2D;                             198   G4int crystalID_2D;
207                                                   199 
208   G4int prev_eventID;                             200   G4int prev_eventID;
209                                                   201 
210   //Single output                                 202   //Single output
211   G4int eventID;                                  203   G4int eventID;
212   G4int blockID;                                  204   G4int blockID;
213   G4int crystalID_axial;                          205   G4int crystalID_axial;
214   G4int crystalID_tangential;                     206   G4int crystalID_tangential;
215   G4int DOI_ID;                                   207   G4int DOI_ID;
216   G4double timeStamp;                             208   G4double timeStamp;
217   G4double totalEdep;                             209   G4double totalEdep;
218                                                   210 
219   //coincidence output                            211   //coincidence output
220   G4int eventID0,         eventID1;               212   G4int eventID0,         eventID1;
221   G4int blockID0,         blockID1;               213   G4int blockID0,         blockID1;
222   G4int crystalID_axial0,     crystalID_axial1    214   G4int crystalID_axial0,     crystalID_axial1;
223   G4int crystalID_tangential0,  crystalID_tang    215   G4int crystalID_tangential0,  crystalID_tangential1;
224   G4int DOI_ID0,          DOI_ID1;                216   G4int DOI_ID0,          DOI_ID1;
225   G4double timeStamp0,      timeStamp1;           217   G4double timeStamp0,      timeStamp1;
226   G4double totalEdep0,      totalEdep1;           218   G4double totalEdep0,      totalEdep1;
227   G4double sposX, sposY, sposZ;                << 219 
228   //choice for the user                           220   //choice for the user
229   G4bool getSinglesData;                          221   G4bool getSinglesData;
230   G4bool getCoincidenceData;                      222   G4bool getCoincidenceData;
231                                                << 
232   //                                           << 
233   G4bool ApplyAngerLogic;                      << 
234                                                << 
235   G4double PMTblurring_tan;                    << 
236   G4double PMTblurring_axial;                  << 
237                                                   223 
238   G4String outputData;                            224   G4String outputData;
239   G4int numberOfHit;                              225   G4int numberOfHit;
240   std::vector<G4int> eventID_coin;                226   std::vector<G4int> eventID_coin;
241   std::vector<G4double> edep_coin;                227   std::vector<G4double> edep_coin;
242   std::vector<G4int>blockID_coin;                 228   std::vector<G4int>blockID_coin;
243   std::vector<G4int> cryID_axial_coin;            229   std::vector<G4int> cryID_axial_coin;
244   std::vector<G4int> cryID_tan_coin;              230   std::vector<G4int> cryID_tan_coin;
245   std::vector<G4int> cryDOI_coin;                 231   std::vector<G4int> cryDOI_coin;
246   std::vector<G4double> time_coin;                232   std::vector<G4double> time_coin;
247                                                   233 
248   //Crystal IDs after Anger Logic calculation     234   //Crystal IDs after Anger Logic calculation
249   G4int crystalIDNew_DOI, crystalIDNew_tan, cr    235   G4int crystalIDNew_DOI, crystalIDNew_tan, crystalIDNew_axial;
250                                                   236 
251   //Crystal ID in the 2D position histogram al    237   //Crystal ID in the 2D position histogram along the axial and tangetial direction 
252   G4int crystalID_in2D_posHist_axial, crystalI    238   G4int crystalID_in2D_posHist_axial, crystalID_in2D_posHist_tan;
253                                                   239 
254   //continous crystal ID after after Anger Log    240   //continous crystal ID after after Anger Logic. 
255   G4int crystalID_in2D_posHist;                   241   G4int crystalID_in2D_posHist;
256                                                   242 
257                                                   243 
258   //Crystal blurring                              244   //Crystal blurring
259   G4double crystalResolution;                     245   G4double crystalResolution;
260   G4double crystalResolutionMin;//                246   G4double crystalResolutionMin;//
261   G4double crystalResolutionMax;//                247   G4double crystalResolutionMax;//
262                                                   248 
263   //G4bool variableResolution;                    249   //G4bool variableResolution;
264   G4bool fixedResolution;                         250   G4bool fixedResolution;
265   G4bool isDOIlookUpTablePrepared;             << 
266                                                   251 
267   G4double energyResolution_fixed;                252   G4double energyResolution_fixed;
268   std::vector<std::vector<G4double>> energyRes    253   std::vector<std::vector<G4double>> energyResolution_cryDependent;
269                                                   254 
270   G4double crystalEnergyRef;//This 511 keV        255   G4double crystalEnergyRef;//This 511 keV
271   G4double crystalQuantumEfficiency;//            256   G4double crystalQuantumEfficiency;//
272   G4double edep_AfterCrystalBlurring;             257   G4double edep_AfterCrystalBlurring;
273   G4double crystalCoeff;                          258   G4double crystalCoeff;
274   G4double sigma_energyResolution;                259   G4double sigma_energyResolution;
275                                                   260 
276   G4double totalTime;                             261   G4double totalTime;
277   G4double prev_totalTime;                        262   G4double prev_totalTime;
278   G4double timeInterval;                          263   G4double timeInterval;
279   G4double time_annihil;                          264   G4double time_annihil;
280   G4double time_tof;                              265   G4double time_tof;
281   G4double block_DeadTime;                        266   G4double block_DeadTime;
282   G4double module_DeadTime;                       267   G4double module_DeadTime;
283                                                   268 
284   G4double *blockTime;                            269   G4double *blockTime;
285   G4double *moduleTime;                           270   G4double *moduleTime;
286                                                   271 
287   //                                              272   //
288   G4double activityNow;                           273   G4double activityNow;
289   G4double InitialActivity;                       274   G4double InitialActivity;
290   G4double halfLife;                              275   G4double halfLife;
291                                                   276 
292   G4String simulationType;                        277   G4String simulationType;
293                                                   278 
294   //                                              279   //
295   //for output file to write results              280   //for output file to write results
296   std::ofstream ofs;                              281   std::ofstream ofs;
297   G4String asciiFileName;                         282   G4String asciiFileName;
298   G4String rootFileName;                          283   G4String rootFileName;
299                                                   284 
300 // #ifdef USEROOT                              << 285 #ifdef USEROOT
301 //     TFile* file;                            << 286   TTree* tSingles;
302 //  TTree* tSingles;                           << 287   TTree* tCoincidence;
303 //  TTree* tCoincidence;                       << 288   //TH1F*hb;
304 //  //TH1F*hb;                                 << 289 #endif
305 // #endif                                      << 
306                                                   290 
307   //input file to read reflector pattern          291   //input file to read reflector pattern
308   std::ifstream ifs;                              292   std::ifstream ifs;
309 };                                                293 };
310                                                   294 
311 #endif                                            295 #endif
312                                                << 
313                                                   296