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: G4BezierSurface.icc,v 1.4 2006/06/29 18:38:22 gunter Exp $ |
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28 | // GEANT4 tag $Name: HEAD $ |
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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 | // G4BezierSurface.icc |
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34 | // |
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35 | // Implementation of inline methods of G4BezierSurface |
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36 | // -------------------------------------------------------------------- |
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37 | |
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38 | inline |
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39 | G4Point3D G4BezierSurface::AveragePoint() const |
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40 | { |
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41 | return average_pt; |
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42 | } |
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43 | |
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44 | inline |
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45 | void G4BezierSurface::SetAveragePoint(G4Point3D p) |
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46 | { |
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47 | average_pt=p; |
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48 | } |
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49 | |
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50 | inline |
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51 | G4double G4BezierSurface::UAverage() const |
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52 | { |
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53 | return average_u; |
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54 | } |
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55 | |
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56 | inline |
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57 | G4double G4BezierSurface::VAverage() const |
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58 | { |
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59 | return average_v; |
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60 | } |
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61 | |
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62 | inline |
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63 | void G4BezierSurface::Dir(G4int d) |
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64 | { |
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65 | dir=d; |
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66 | } |
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67 | |
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68 | inline |
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69 | void G4BezierSurface::ChangeDir() |
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70 | { |
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71 | dir=!dir; |
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72 | } |
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73 | |
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74 | inline |
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75 | G4double G4BezierSurface::SMin() const |
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76 | { |
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77 | return smin; |
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78 | } |
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79 | |
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80 | inline |
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81 | G4double G4BezierSurface::SMax() const |
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82 | { |
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83 | return smax; |
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84 | } |
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85 | |
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86 | inline |
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87 | G4int G4BezierSurface::GetOrder(G4int direction) const |
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88 | { |
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89 | return order[direction]; |
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90 | } |
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91 | |
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92 | inline |
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93 | void G4BezierSurface::PutOrder(G4int direction, G4int value) |
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94 | { |
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95 | order[direction]=value; |
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96 | } |
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97 | |
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98 | inline |
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99 | G4double G4BezierSurface::GetU() const |
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100 | { |
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101 | return (u_min + u_max)/2.0; |
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102 | } |
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103 | |
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104 | inline |
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105 | G4double G4BezierSurface::GetV() const |
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106 | { |
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107 | return (v_min + v_max)/2.0; |
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108 | } |
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109 | |
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110 | inline |
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111 | void G4BezierSurface::LocalizeClipValues() |
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112 | { |
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113 | if ( dir == ROW) |
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114 | { |
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115 | smin = (1.0 - smin) * u_knots->GetKnot(0) + |
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116 | smin * u_knots->GetKnot(u_knots->GetSize() - 1); |
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117 | smax = (1.0 - smax) * u_knots->GetKnot(0) + |
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118 | smax * u_knots->GetKnot(u_knots->GetSize() - 1); |
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119 | } |
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120 | else |
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121 | { |
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122 | smin = (1.0 - smin) * v_knots->GetKnot(0) + |
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123 | smin * v_knots->GetKnot(v_knots->GetSize() - 1); |
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124 | smax = (1.0 - smax) * v_knots->GetKnot(0) + |
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125 | smax * v_knots->GetKnot(v_knots->GetSize() - 1); |
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126 | } |
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127 | } |
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128 | |
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129 | inline |
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130 | G4double G4BezierSurface::Findzero(G4double x0, G4double x1, |
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131 | G4double y0, G4double y1) const |
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132 | { |
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133 | return(x0 - y0 * ( x1 - x0) / (y1-y0)); |
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134 | } |
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135 | |
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136 | inline |
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137 | G4int G4BezierSurface::Sign(G4double a) const |
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138 | { |
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139 | return ((a < 0.0)? -1 : 1); |
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140 | } |
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141 | |
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142 | inline |
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143 | G4int G4BezierSurface::Amax(G4int i, G4int j) const |
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144 | { |
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145 | return( (i) > (j) ? (i) : (j) ); |
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146 | } |
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147 | |
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148 | inline |
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149 | G4int G4BezierSurface::Amin(G4int i, G4int j) const |
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150 | { |
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151 | return( (i) < (j) ? (i) : (j) ); |
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152 | } |
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153 | |
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154 | inline |
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155 | G4int G4BezierSurface::AhIndex(G4int j, G4int t, G4int iorder) const |
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156 | { |
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157 | return(( (j) * ((j)+1)/2) + (t) - ((iorder-1) - (j))); |
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158 | } |
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