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25 //
26 // G4tgbPlaceParamCircle implementation
27 //
28 // Author: P.Arce, CIEMAT (November 2007)
29 // --------------------------------------------------------------------
30
31 #include "G4tgbPlaceParamCircle.hh"
32 #include "G4tgrPlaceParameterisation.hh"
33 #include "G4ThreeVector.hh"
34 #include "G4RotationMatrix.hh"
35 #include "G4VPhysicalVolume.hh"
36 #include "G4tgrUtils.hh"
37 #include "G4tgrMessenger.hh"
38
39 // --------------------------------------------------------------------
40 G4tgbPlaceParamCircle::~G4tgbPlaceParamCircle()
41 {
42 }
43
44 // --------------------------------------------------------------------
45 G4tgbPlaceParamCircle::
46 G4tgbPlaceParamCircle(G4tgrPlaceParameterisation* tgrParam)
47 : G4tgbPlaceParameterisation(tgrParam)
48 {
49 //---- Get translation and rotation
50 if(tgrParam->GetParamType() == "CIRCLE")
51 {
52 CheckNExtraData(tgrParam, 7, WLSIZE_EQ, "G4tgbPlaceParamCircle:");
53 theCircleAxis =
54 G4ThreeVector(tgrParam->GetExtraData()[4], tgrParam->GetExtraData()[5],
55 tgrParam->GetExtraData()[6]);
56
57 G4ThreeVector zaxis(0., 0., -1.);
58 if(zaxis.cross(theCircleAxis).mag() > 1.E-6)
59 {
60 theDirInPlane = zaxis.cross(theCircleAxis);
61 }
62 else
63 {
64 theDirInPlane = theCircleAxis.cross(G4ThreeVector(0., -1., 0.));
65 }
66 theAxis = kZAxis;
67 }
68 else
69 {
70 CheckNExtraData(tgrParam, 4, WLSIZE_EQ, "G4tgbPlaceParamCircle:");
71 if(tgrParam->GetParamType() == "CIRCLE_XY")
72 {
73 theCircleAxis = G4ThreeVector(0., 0., 1.);
74 theDirInPlane = G4ThreeVector(1., 0., 0.);
75 theAxis = kZAxis;
76 }
77 else if(tgrParam->GetParamType() == "CIRCLE_XZ")
78 {
79 theCircleAxis = G4ThreeVector(0., 1., 0.);
80 theDirInPlane = G4ThreeVector(1., 0., 0.);
81 theAxis = kYAxis;
82 }
83 else if(tgrParam->GetParamType() == "CIRCLE_YZ")
84 {
85 theCircleAxis = G4ThreeVector(1., 0., 0.);
86 theDirInPlane = G4ThreeVector(0., 1., 0.);
87 theAxis = kXAxis;
88 }
89 }
90
91 if(theCircleAxis.mag() == 0.)
92 {
93 G4Exception("G4tgbPlaceParamCircle::G4tgbPlaceParamCircle()",
94 "InvalidSetup", FatalException, "Circle axis is zero !");
95 }
96 theCircleAxis /= theCircleAxis.mag();
97
98 theAxis = kZAxis;
99
100 theNCopies = G4int(tgrParam->GetExtraData()[0]);
101 theStep = tgrParam->GetExtraData()[1];
102 theOffset = tgrParam->GetExtraData()[2];
103 theRadius = tgrParam->GetExtraData()[3];
104
105 #ifdef G4VERBOSE
106 if(G4tgrMessenger::GetVerboseLevel() >= 2)
107 {
108 G4cout << " G4tgbPlaceParamCircle::G4tgbPlaceParamCircle():" << G4endl
109 << " param type " << tgrParam->GetParamType() << G4endl
110 << " no copies - " << theNCopies << G4endl << " step - "
111 << theStep << G4endl << " offset - " << theOffset << G4endl
112 << " radius - " << theRadius << G4endl << " circle axis - "
113 << theCircleAxis << G4endl << " dir in plane - " << theDirInPlane
114 << G4endl;
115 }
116 #endif
117 }
118
119 // --------------------------------------------------------------------
120 void G4tgbPlaceParamCircle::
121 ComputeTransformation(const G4int copyNo, G4VPhysicalVolume* physVol) const
122 {
123 G4double posi = theOffset + copyNo * theStep;
124 G4ThreeVector origin = theDirInPlane * theRadius;
125 origin.rotate(posi, theCircleAxis);
126
127 //----- Calculate rotation matrix (so that all volumes point to the centre)
128 G4RotationMatrix rm;
129 rm.rotate(-posi, theCircleAxis);
130
131 //----- Set translation and rotation
132 physVol->SetTranslation(origin);
133 G4RotationMatrix* pvRm = physVol->GetRotation();
134 if(pvRm == nullptr)
135 {
136 pvRm = new G4RotationMatrix;
137 }
138 *pvRm = *theRotationMatrix * rm;
139 physVol->SetRotation(pvRm);
140 physVol->SetCopyNo(copyNo);
141
142 #ifdef G4VERBOSE
143 if(G4tgrMessenger::GetVerboseLevel() >= 3)
144 {
145 G4cout << " G4tgbPlaceParamCircle::ComputeTransformation():"
146 << physVol->GetName() << G4endl << " no copies - " << theNCopies
147 << G4endl << " centre - " << origin << G4endl
148 << " rotation-matrix - " << *pvRm << G4endl;
149 }
150 #endif
151 }
152