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JGedanken.cc File Reference

Auxiliary program to generate particles. More...

#include <string>
#include <iostream>
#include <iomanip>
#include <cmath>
#include "TROOT.h"
#include "TFile.h"
#include "km3net-dataformat/offline/Head.hh"
#include "km3net-dataformat/offline/MultiHead.hh"
#include "km3net-dataformat/offline/Evt.hh"
#include "km3net-dataformat/definitions/trkmembers.hh"
#include "JSupport/JFileRecorder.hh"
#include "JSupport/JSupport.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
#include "JDetector/JDetector.hh"
#include "JDetector/JDetectorToolkit.hh"
#include "JGeometry3D/JCylinder3D.hh"
#include "JAAnet/JHead.hh"

Go to the source code of this file.

Functions

int main (int argc, char **argv)
 

Detailed Description

Auxiliary program to generate particles.

Author
mdejong

Definition in file JGedanken.cc.

Function Documentation

◆ main()

int main ( int  argc,
char **  argv 
)

Definition at line 34 of file JGedanken.cc.

35 {
36  using namespace std;
37  using namespace JPP;
38 
39  Trk trk;
40 
42  size_t numberOfEvents;
43  int debug;
44 
45  string detectorFile;
46 
47  try {
48 
49  JParser<> zap("Auxiliary program to generate particles.");
50 
51  zap['o'] = make_field(outputFile) = "gedanken.root";
52  zap['n'] = make_field(numberOfEvents) = 1;
53  zap['P'] = make_field(trk.pos, "position");
54  zap['D'] = make_field(trk.dir, "direction") = Vec(0.0, 0.0, 1.0);
55  zap['E'] = make_field(trk.E, "energy [GeV]");
56  zap['T'] = make_field(trk.type, "particle type (PDG)");
57  zap['a'] = make_field(detectorFile);
58  zap['d'] = make_field(debug) = 2;
59 
60  zap(argc, argv);
61  }
62  catch(const exception& error) {
63  FATAL(error.what() << endl);
64  }
65 
66  trk.dir.normalize();
67 
69 
71 
72  try {
73  load(detectorFile, detector);
74  }
75  catch(const JException& error) {
76  FATAL(error);
77  }
78 
79  const JCylinder3D cylinder(detector.begin(), detector.end());
80 
81  Head header;
82 
83  JHead buffer(header);
84 
85  buffer.fixedcan.xcenter = cylinder.getX();
86  buffer.fixedcan.ycenter = cylinder.getY();
87  buffer.fixedcan.zmin = cylinder.getZmin();
88  buffer.fixedcan.zmax = cylinder.getZmax();
89  buffer.fixedcan.radius = cylinder.getRadius();
90 
91  buffer.push(&JHead::fixedcan);
92  copy(buffer, header);
93 
94  outputFile.open();
95 
96  outputFile.put(header);
97 
98  Evt evt;
99 
100  evt.mc_trks.push_back(trk);
101 
102  for (size_t counter = 0; counter != numberOfEvents; ++counter) {
103 
104  STATUS("event: " << setw(10) << counter << '\r'); DEBUG(endl);
105 
106  outputFile.put(evt);
107  }
108  STATUS(endl);
109 
110  outputFile.close();
111 }
string outputFile
#define DEBUG(A)
Message macros.
Definition: JMessage.hh:62
#define STATUS(A)
Definition: JMessage.hh:63
#define FATAL(A)
Definition: JMessage.hh:67
int debug
debug level
Definition: JSirene.cc:69
#define make_field(A,...)
macro to convert parameter to JParserTemplateElement object
Definition: JParser.hh:2158
Monte Carlo run header.
Definition: JHead.hh:1236
Detector data structure.
Definition: JDetector.hh:96
Cylinder object.
Definition: JCylinder3D.hh:41
General exception.
Definition: JException.hh:24
Utility class to parse command line options.
Definition: JParser.hh:1714
Object writing to file.
void copy(const Head &from, JHead &to)
Copy header from from to to.
Definition: JHead.cc:162
void load(const std::string &file_name, JDetector &detector)
Load detector from input file.
This name space includes all other name spaces (except KM3NETDAQ, KM3NET and ANTARES).
Definition: JSTDTypes.hh:14
The Evt class respresent a Monte Carlo (MC) event as well as an offline event.
Definition: Evt.hh:21
std::vector< Trk > mc_trks
MC: list of MC truth tracks.
Definition: Evt.hh:49
The Head class reflects the header of Monte-Carlo event files, which consists of keys (also referred ...
Definition: Head.hh:65
Detector file.
Definition: JHead.hh:227
The Trk class represents a Monte Carlo (MC) particle as well as a reconstructed track/shower.
Definition: Trk.hh:15
int status
MC status code, see km3net-dataformat/definitions/trkmembers.csv for values.
Definition: Trk.hh:28
int type
MC: particle type in PDG encoding.
Definition: Trk.hh:24
Vec dir
track direction
Definition: Trk.hh:18
double E
Energy [GeV] (either MC truth or reconstructed)
Definition: Trk.hh:20
Vec pos
postion [m] of the track at time t
Definition: Trk.hh:17
The Vec class is a straightforward 3-d vector, which also works in pyroot.
Definition: Vec.hh:13
Vec & normalize()
Normalise this vector.
Definition: Vec.hh:159
static const int TRK_ST_FINALSTATE
for MC: the particle must be processed by detector simulation ('track_in' tag in evt files)....
Definition: trkmembers.hh:15