1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4Trap.icc,v 1.8 2006/10/19 15:33:37 gcosmo Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03 $ |
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29 | // |
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30 | // -------------------------------------------------------------------- |
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31 | // GEANT 4 inline definitions file |
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32 | // |
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33 | // G4Trap.icc |
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34 | // |
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35 | // Implementation of inline methods of G4Trap |
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36 | // -------------------------------------------------------------------- |
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37 | |
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38 | inline |
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39 | G4double G4Trap::GetZHalfLength() const |
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40 | { |
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41 | return fDz ; |
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42 | } |
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43 | |
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44 | inline |
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45 | G4ThreeVector G4Trap::GetSymAxis() const |
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46 | { |
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47 | G4double cosTheta = 1.0/std::sqrt(1+fTthetaCphi*fTthetaCphi + |
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48 | fTthetaSphi*fTthetaSphi) ; |
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49 | |
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50 | return G4ThreeVector(fTthetaCphi*cosTheta, |
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51 | fTthetaSphi*cosTheta, |
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52 | cosTheta) ; |
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53 | } |
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54 | |
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55 | inline |
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56 | G4double G4Trap::GetYHalfLength1() const |
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57 | { |
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58 | return fDy1 ; |
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59 | } |
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60 | |
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61 | inline |
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62 | G4double G4Trap::GetXHalfLength1() const |
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63 | { |
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64 | return fDx1 ; |
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65 | } |
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66 | |
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67 | inline |
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68 | G4double G4Trap::GetXHalfLength2() const |
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69 | { |
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70 | return fDx2 ; |
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71 | } |
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72 | |
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73 | inline |
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74 | G4double G4Trap::GetTanAlpha1() const |
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75 | { |
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76 | return fTalpha1 ; |
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77 | } |
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78 | |
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79 | inline |
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80 | G4double G4Trap::GetYHalfLength2() const |
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81 | { |
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82 | return fDy2 ; |
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83 | } |
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84 | |
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85 | inline |
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86 | G4double G4Trap::GetXHalfLength3() const |
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87 | { |
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88 | return fDx3 ; |
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89 | } |
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90 | |
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91 | inline |
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92 | G4double G4Trap::GetXHalfLength4() const |
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93 | { |
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94 | return fDx4 ; |
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95 | } |
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96 | |
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97 | inline |
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98 | G4double G4Trap::GetTanAlpha2() const |
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99 | { |
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100 | return fTalpha2 ; |
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101 | } |
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102 | |
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103 | inline |
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104 | TrapSidePlane G4Trap::GetSidePlane( G4int n ) const |
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105 | { |
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106 | return fPlanes[n] ; |
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107 | } |
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108 | |
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109 | inline |
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110 | G4double G4Trap::GetFaceArea(const G4ThreeVector& p0, const G4ThreeVector& p1, |
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111 | const G4ThreeVector& p2, const G4ThreeVector& p3) |
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112 | { |
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113 | G4double area = 0.5*((p1-p0).cross(p2-p1).mag()+(p3-p2).cross(p0-p3).mag()); |
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114 | return area; |
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115 | } |
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116 | |
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117 | inline |
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118 | G4double G4Trap::GetCubicVolume() |
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119 | { |
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120 | if(fCubicVolume != 0.) {;} |
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121 | else { fCubicVolume = fDz*( (fDx1+fDx2+fDx3+fDx4)*(fDy1+fDy2) |
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122 | + (fDx4+fDx3-fDx2-fDx1)*(fDy2-fDy1)/3 ); } |
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123 | return fCubicVolume; |
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124 | } |
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125 | |
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126 | inline |
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127 | G4double G4Trap::GetSurfaceArea() |
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128 | { |
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129 | if(fSurfaceArea != 0.) {;} |
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130 | else |
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131 | { |
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132 | G4ThreeVector ba(fDx1-fDx2+fTalpha1*2*fDy1,2*fDy1,0); |
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133 | G4ThreeVector bc(2*fDz*fTthetaCphi-(fDx4-fDx2)+fTalpha2*fDy2-fTalpha1*fDy1, |
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134 | 2*fDz*fTthetaSphi+fDy2-fDy1, 2*fDz); |
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135 | G4ThreeVector dc(-fDx4+fDx3+2*fTalpha2*fDy2, 2*fDy2,0); |
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136 | G4ThreeVector da(-2*fDz*fTthetaCphi-(fDx1-fDx3)-fTalpha1*fDy1+fTalpha2*fDy2, |
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137 | -2*fDz*fTthetaSphi-fDy1+fDy2,-2*fDz); |
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138 | |
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139 | G4ThreeVector ef(fDx2-fDx1+2*fTalpha1*fDy1, 2*fDy1,0); |
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140 | G4ThreeVector eh(2*fDz*fTthetaCphi+fDx3-fDx1+fTalpha1*fDy1-fTalpha2*fDy2, |
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141 | 2*fDz*fTthetaSphi-fDy2+fDy1,2*fDz); |
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142 | G4ThreeVector gh(fDx3-fDx4-2*fTalpha2*fDy2, -2*fDy2,0); |
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143 | G4ThreeVector gf(-2*fDz*fTthetaCphi+fDx2-fDx4+fTalpha1*fDy1-fTalpha2*fDy2, |
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144 | -2*fDz*fTthetaSphi+fDy1-fDy2,-2*fDz); |
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145 | |
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146 | G4ThreeVector cr; |
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147 | cr = ba.cross(bc); |
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148 | G4double babc=cr.mag(); |
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149 | cr = dc.cross(da); |
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150 | G4double dcda=cr.mag(); |
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151 | cr = ef.cross(eh); |
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152 | G4double efeh=cr.mag(); |
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153 | cr = gh.cross(gf); |
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154 | G4double ghgf=cr.mag(); |
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155 | |
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156 | fSurfaceArea = 2*fDy1*(fDx1+fDx2)+2*fDy2*(fDx3+fDx4) |
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157 | + (fDx1+fDx3) |
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158 | * std::sqrt(4*fDz*fDz+std::pow(fDy2-fDy1-2*fDz*fTthetaSphi,2)) |
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159 | + (fDx2+fDx4) |
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160 | * std::sqrt(4*fDz*fDz+std::pow(fDy2-fDy1+2*fDz*fTthetaSphi,2)) |
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161 | + 0.5*(babc+dcda+efeh+ghgf); |
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162 | } |
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163 | return fSurfaceArea; |
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164 | } |
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