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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4tgbPlaceParamCircle.cc,v 1.6 2010/10/13 07:56:55 gcosmo Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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29 | // |
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30 | // |
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31 | // class G4tgbPlaceParamCircle |
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32 | |
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33 | // History: |
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34 | // - Created. P.Arce, CIEMAT (November 2007) |
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35 | // ------------------------------------------------------------------------- |
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36 | |
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37 | #include "G4tgbPlaceParamCircle.hh" |
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38 | #include "G4tgrPlaceParameterisation.hh" |
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39 | #include "G4ThreeVector.hh" |
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40 | #include "G4RotationMatrix.hh" |
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41 | #include "G4VPhysicalVolume.hh" |
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42 | #include "G4tgrUtils.hh" |
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43 | #include "G4tgrMessenger.hh" |
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44 | |
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45 | // ------------------------------------------------------------------------- |
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46 | G4tgbPlaceParamCircle::~G4tgbPlaceParamCircle() |
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47 | { |
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48 | } |
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49 | |
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50 | |
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51 | // ------------------------------------------------------------------------- |
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52 | G4tgbPlaceParamCircle:: |
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53 | G4tgbPlaceParamCircle( G4tgrPlaceParameterisation* tgrParam ) |
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54 | : G4tgbPlaceParameterisation(tgrParam) |
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55 | { |
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56 | //---- Get translation and rotation |
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57 | if( tgrParam->GetParamType() == "CIRCLE" ) |
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58 | { |
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59 | CheckNExtraData( tgrParam, 7, WLSIZE_EQ, "G4tgbPlaceParamCircle:"); |
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60 | theCircleAxis = G4ThreeVector( tgrParam->GetExtraData()[4], |
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61 | tgrParam->GetExtraData()[5], |
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62 | tgrParam->GetExtraData()[6] ); |
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63 | |
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64 | G4ThreeVector zaxis(0.,0.,-1.); |
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65 | if( zaxis.cross(theCircleAxis).mag() > 1.E-6 ) |
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66 | { |
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67 | theDirInPlane = zaxis.cross(theCircleAxis); |
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68 | } |
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69 | else |
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70 | { |
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71 | theDirInPlane = theCircleAxis.cross(G4ThreeVector(0.,-1.,0.)); |
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72 | } |
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73 | theAxis = kZAxis; |
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74 | } |
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75 | else |
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76 | { |
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77 | CheckNExtraData( tgrParam, 4, WLSIZE_EQ, "G4tgbPlaceParamCircle:"); |
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78 | if( tgrParam->GetParamType() == "CIRCLE_XY" ) { |
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79 | theCircleAxis = G4ThreeVector(0.,0.,1.); |
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80 | theDirInPlane = G4ThreeVector(1.,0.,0.); |
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81 | theAxis = kZAxis; |
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82 | } else if( tgrParam->GetParamType() == "CIRCLE_XZ" ) { |
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83 | theCircleAxis = G4ThreeVector(0.,1.,0.); |
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84 | theDirInPlane = G4ThreeVector(1.,0.,0.); |
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85 | theAxis = kYAxis; |
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86 | } else if( tgrParam->GetParamType() == "CIRCLE_YZ" ) { |
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87 | theCircleAxis = G4ThreeVector(1.,0.,0.); |
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88 | theDirInPlane = G4ThreeVector(0.,1.,0.); |
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89 | theAxis = kXAxis; |
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90 | } |
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91 | } |
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92 | |
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93 | if( theCircleAxis.mag() == 0. ) |
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94 | { |
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95 | G4Exception("G4tgbPlaceParamCircle::G4tgbPlaceParamCircle()", |
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96 | "InvalidSetup", FatalException, "Circle axis is zero !"); |
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97 | } |
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98 | theCircleAxis /= theCircleAxis.mag(); |
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99 | |
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100 | theAxis = kZAxis; |
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101 | |
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102 | theNCopies = G4int(tgrParam->GetExtraData()[0]); |
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103 | theStep = tgrParam->GetExtraData()[1]; |
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104 | theOffset = tgrParam->GetExtraData()[2]; |
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105 | theRadius = tgrParam->GetExtraData()[3]; |
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106 | |
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107 | #ifdef G4VERBOSE |
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108 | if( G4tgrMessenger::GetVerboseLevel() >= 2 ) |
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109 | { |
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110 | G4cout << " G4tgbPlaceParamCircle::G4tgbPlaceParamCircle():" << G4endl |
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111 | << " param type " << tgrParam->GetParamType() << G4endl |
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112 | << " no copies - " << theNCopies << G4endl |
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113 | << " step - " << theStep << G4endl |
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114 | << " offset - " << theOffset << G4endl |
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115 | << " radius - " << theRadius << G4endl |
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116 | << " circle axis - " << theCircleAxis << G4endl |
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117 | << " dir in plane - " << theDirInPlane << G4endl; |
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118 | } |
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119 | #endif |
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120 | } |
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121 | |
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122 | |
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123 | // ------------------------------------------------------------------------- |
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124 | void G4tgbPlaceParamCircle:: |
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125 | ComputeTransformation(const G4int copyNo, G4VPhysicalVolume *physVol) const |
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126 | { |
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127 | G4double posi = theOffset + copyNo*theStep; |
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128 | G4ThreeVector origin = theDirInPlane * theRadius; |
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129 | origin.rotate( posi, theCircleAxis ); |
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130 | |
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131 | //----- Calculate rotation matrix (so that all volumes point to the centre) |
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132 | G4RotationMatrix rm; |
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133 | rm.rotate( -posi, theCircleAxis ); |
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134 | |
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135 | //----- Set translation and rotation |
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136 | physVol->SetTranslation(origin); |
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137 | G4RotationMatrix* pvRm = physVol->GetRotation(); |
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138 | if( pvRm == 0 ) |
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139 | { |
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140 | pvRm = new G4RotationMatrix; |
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141 | } |
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142 | *pvRm = *theRotationMatrix * rm; |
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143 | physVol->SetRotation(pvRm); |
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144 | physVol->SetCopyNo( copyNo ); |
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145 | |
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146 | #ifdef G4VERBOSE |
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147 | if( G4tgrMessenger::GetVerboseLevel() >= 3 ) |
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148 | { |
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149 | G4cout << " G4tgbPlaceParamCircle::ComputeTransformation():" |
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150 | << physVol->GetName() << G4endl |
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151 | << " no copies - " << theNCopies << G4endl |
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152 | << " centre - " << origin << G4endl |
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153 | << " rotation-matrix - " << *pvRm << G4endl; |
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154 | } |
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155 | #endif |
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156 | } |
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