source: trunk/examples/novice/N02/src/ExN02ChamberParameterisation.cc @ 1333

Last change on this file since 1333 was 1230, checked in by garnier, 14 years ago

update to geant4.9.3

File size: 3.8 KB
Line 
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27// $Id: ExN02ChamberParameterisation.cc,v 1.9 2006/06/29 17:47:58 gunter Exp $
28// GEANT4 tag $Name: geant4-09-03-cand-01 $
29//
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32
33#include "ExN02ChamberParameterisation.hh"
34
35#include "G4VPhysicalVolume.hh"
36#include "G4ThreeVector.hh"
37#include "G4Box.hh"
38
39//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
40
41ExN02ChamberParameterisation::ExN02ChamberParameterisation( 
42        G4int    NoChambers, 
43        G4double startZ,          //  Z of center of first
44        G4double spacingZ,        //  Z spacing of centers
45        G4double widthChamber, 
46        G4double lengthInitial, 
47        G4double lengthFinal )
48{
49   fNoChambers =  NoChambers; 
50   fStartZ     =  startZ; 
51   fHalfWidth  =  widthChamber*0.5;
52   fSpacing    =  spacingZ;
53   fHalfLengthFirst = 0.5 * lengthInitial; 
54   // fHalfLengthLast = lengthFinal;
55   if( NoChambers > 0 ){
56      fHalfLengthIncr =  0.5 * (lengthFinal-lengthInitial)/NoChambers;
57      if (spacingZ < widthChamber) {
58       G4Exception("ExN02ChamberParameterisation construction: Width>Spacing");
59      }
60   }
61   
62}
63
64//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65
66ExN02ChamberParameterisation::~ExN02ChamberParameterisation()
67{}
68
69//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
70
71void ExN02ChamberParameterisation::ComputeTransformation
72(const G4int copyNo, G4VPhysicalVolume* physVol) const
73{
74  G4double      Zposition= fStartZ + (copyNo+1) * fSpacing;
75  G4ThreeVector origin(0,0,Zposition);
76  physVol->SetTranslation(origin);
77  physVol->SetRotation(0);
78}
79
80//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
81
82void ExN02ChamberParameterisation::ComputeDimensions
83(G4Box& trackerChamber, const G4int copyNo, const G4VPhysicalVolume*) const
84{
85  G4double  halfLength= fHalfLengthFirst + copyNo * fHalfLengthIncr;
86  trackerChamber.SetXHalfLength(halfLength);
87  trackerChamber.SetYHalfLength(halfLength);
88  trackerChamber.SetZHalfLength(fHalfWidth);
89}
90
91//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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