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PHG4ConeDetector.cc
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1 #include "PHG4ConeDetector.h"
3 
4 #include <phparameter/PHParameters.h>
5 
6 #include <g4main/PHG4Detector.h> // for PHG4Detector
7 #include <g4main/PHG4DisplayAction.h> // for PHG4DisplayAction
8 #include <g4main/PHG4Subsystem.h>
9 
10 #include <Geant4/G4Cons.hh>
11 #include <Geant4/G4LogicalVolume.hh>
12 #include <Geant4/G4PVPlacement.hh>
13 #include <Geant4/G4RotationMatrix.hh> // for G4RotationMatrix
14 #include <Geant4/G4String.hh> // for G4String
15 #include <Geant4/G4SystemOfUnits.hh> // for cm
16 #include <Geant4/G4ThreeVector.hh> // for G4ThreeVector
17 
18 #include <iostream> // for operator<<, endl, basic_ostream
19 #include <sstream>
20 
21 class G4Material;
22 class G4VSolid;
23 
24 //_______________________________________________________________
25 //note this inactive thickness is ~1.5% of a radiation length
27  : PHG4Detector(subsys, Node, dnam)
28  , m_Params(parameters)
29  , m_DisplayAction(dynamic_cast<PHG4ConeDisplayAction *>(subsys->GetDisplayAction()))
30  , layer(lyr)
31 {
32 }
33 
34 //_______________________________________________________________
35 //_______________________________________________________________
37 {
38  if (volume == m_ConePhysVol)
39  {
40  return true;
41  }
42  return false;
43 }
44 
45 //_______________________________________________________________
46 void PHG4ConeDetector::ConstructMe(G4LogicalVolume *logicWorld)
47 {
48  G4Material *TrackerMaterial = GetDetectorMaterial(m_Params->get_string_param("material"));
49 
50  G4VSolid *cone_solid = new G4Cons((GetName() + "_SOLID"),
51  m_Params->get_double_param("rmin1") * cm,
52  m_Params->get_double_param("rmax1") * cm,
53  m_Params->get_double_param("rmin2") * cm,
54  m_Params->get_double_param("rmax2") * cm,
55  m_Params->get_double_param("length") * cm,
56  m_Params->get_double_param("sphi") * deg,
57  m_Params->get_double_param("dphi") * deg);
58 
59  G4LogicalVolume *cone_logic = new G4LogicalVolume(cone_solid,
60  TrackerMaterial,
61  GetName() + "_LOGIC",
62  nullptr, nullptr, nullptr);
63  PHG4Subsystem *mysys = GetMySubsystem();
64  mysys->SetLogicalVolume(cone_logic);
65 
66  G4RotationMatrix *rotm = new G4RotationMatrix();
67 
68  int nRotation(0);
69  if (m_Params->get_double_param("rot_x") != 0)
70  {
71  ++nRotation;
72  rotm->rotateX(m_Params->get_double_param("rot_x") * deg);
73  }
74  if (m_Params->get_double_param("rot_y") != 0)
75  {
76  ++nRotation;
77  rotm->rotateY(m_Params->get_double_param("rot_y") * deg);
78  }
79  if (m_Params->get_double_param("rot_z") != 0)
80  {
81  ++nRotation;
82  rotm->rotateZ(m_Params->get_double_param("rot_z") * deg);
83  }
84 
85  if (nRotation >= 2)
86  {
87  std::cout << __PRETTY_FUNCTION__ << ": Warning : " << GetName() << " is configured with more than one of the x-y-z rotations of "
88  << "(" << m_Params->get_double_param("rot_x") << ", "
89  << m_Params->get_double_param("rot_x") << ", "
90  << m_Params->get_double_param("rot_x") << ") degrees. "
91  << "The rotation is instruction is ambiguous and they are performed in the order of X->Y->Z rotations with result rotation matrix of:";
92  rotm->print(std::cout);
93  }
94 
95  m_ConePhysVol = new G4PVPlacement(rotm,
96  G4ThreeVector(m_Params->get_double_param("place_x") * cm,
97  m_Params->get_double_param("place_y") * cm,
98  m_Params->get_double_param("place_z") * cm),
99  cone_logic,
100  GetName(),
101  logicWorld, false, false, OverlapCheck());
102  m_DisplayAction->SetMyVolume(cone_logic);
103 }