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ChromosomeParameterisation.cc
Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file ChromosomeParameterisation.cc
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25 //
26 // This example is provided by the Geant4-DNA collaboration
27 // Any report or published results obtained using the Geant4-DNA software
28 // and the DNA geometry given in the Geom_DNA example
29 // shall cite the following Geant4-DNA collaboration publications:
30 // [1] NIM B 298 (2013) 47-54
31 // [2] Med. Phys. 37 (2010) 4692-4708
32 // The Geant4-DNA web site is available at http://geant4-dna.org
33 //
36 
37 #include <ChromosomeParameterisation.hh>
38 
39 // STD
40 #include <fstream>
41 
42 // G4
43 #include <CLHEP/Units/SystemOfUnits.h>
44 #include <G4VPhysicalVolume.hh>
45 
46 using namespace std;
47 using CLHEP::nanometer;
48 using CLHEP::degree;
49 
50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51 
52 ChromosomeParameterisation::ChromosomeParameterisation(const char* filename):
53  G4VPVParameterisation()
54 {
55  ifstream f(filename, ios::in);
56  if (!f)
57  return;
58 
59  fPositions.reserve(100);
60  fRotations.reserve(100);
61 
62  while (!f.eof())
63  {
64  double x, y, z, rot;
65  f >> x >> y >> z >> rot;
66  fPositions.push_back(new G4ThreeVector(x * nanometer,
67  y * nanometer,
68  z * nanometer));
69  fRotations.push_back(new G4RotationMatrix(0, 0, rot * degree));
70  }
71 }
72 
73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
74 
75 ChromosomeParameterisation::~ChromosomeParameterisation()
76 {
77  unsigned int i;
78  for (i = 0; i < fPositions.size(); i++)
79  delete fPositions[i];
80  for (i = 0; i < fRotations.size(); i++)
81  delete fRotations[i];
82 }
83 
84 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
85 
86 void ChromosomeParameterisation::ComputeDimensions(
87  G4Tubs& /*rosette*/,
88  const G4int /*copyNo*/,
89  const G4VPhysicalVolume* /*physVol*/) const
90 {
91 
92 }
93 
94 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
95 
96 void ChromosomeParameterisation::ComputeTransformation(
97  const G4int copyNo, G4VPhysicalVolume* physVol) const
98 {
99  // see passive vs active method to specify
100  // this transformation
101  physVol->SetTranslation(*fPositions[copyNo]);
102  physVol->SetRotation(fRotations[copyNo]);
103 }