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.hh,v 1.7 2006/06/29 18:38:20 gunter 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 | // Class G4BezierSurface |
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32 | // |
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33 | // Class description: |
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34 | // |
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35 | // Definition of a generic Bezier surface. |
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36 | |
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37 | // Authors: J.Sulkimo, P.Urban. |
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38 | // Revisions by: L.Broglia, G.Cosmo. |
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39 | // ---------------------------------------------------------------------- |
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40 | #ifndef __BEZIERSURFACE_H |
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41 | #define __BEZIERSURFACE_H |
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42 | |
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43 | #include "G4Ray.hh" |
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44 | #include "G4ControlPoints.hh" |
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45 | #include "G4SurfaceList.hh" |
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46 | #include "G4PointRat.hh" |
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47 | #include "G4OsloMatrix.hh" |
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48 | #include "G4KnotVector.hh" |
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49 | |
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50 | class G4ProjectedSurface; |
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51 | |
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52 | class G4BezierSurface : public G4Surface |
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53 | { |
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54 | friend class G4BSplineSurface; |
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55 | friend class G4ProjectedSurface; |
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56 | |
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57 | public: // with description |
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58 | |
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59 | G4BezierSurface(); |
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60 | virtual ~G4BezierSurface(); |
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61 | // Constructor & destructor |
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62 | |
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63 | inline G4Point3D AveragePoint() const; |
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64 | inline void SetAveragePoint(G4Point3D p); |
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65 | |
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66 | inline G4double UAverage() const; |
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67 | inline G4double VAverage() const; |
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68 | |
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69 | inline void Dir(G4int d); |
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70 | inline void ChangeDir(); |
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71 | |
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72 | inline G4double SMin() const; |
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73 | inline G4double SMax() const; |
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74 | |
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75 | inline G4int GetOrder(G4int direction) const; |
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76 | inline void PutOrder(G4int direction, G4int value); |
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77 | |
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78 | inline G4double GetU() const; |
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79 | inline G4double GetV() const; |
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80 | |
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81 | void CalcBBox(); |
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82 | |
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83 | G4int BIntersect(G4SurfaceList&); |
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84 | |
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85 | G4int ClipBothDirs(); |
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86 | void ClipSurface(); |
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87 | |
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88 | virtual G4Vector3D SurfaceNormal(const G4Point3D& Pt) const; |
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89 | |
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90 | friend void CopySurface(G4BezierSurface& bez); |
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91 | |
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92 | protected: // without description |
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93 | |
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94 | G4SurfaceList* bezier_list; |
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95 | |
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96 | static G4int Clips; |
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97 | static G4int Splits; |
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98 | static G4double Tolerance; |
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99 | // Test variables |
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100 | |
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101 | private: |
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102 | |
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103 | void CalcAverage(); |
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104 | void CalcDistance(const G4Point3D&); |
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105 | void SetValues(); |
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106 | inline void LocalizeClipValues(); |
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107 | |
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108 | void SplitNURBSurface(); |
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109 | void GetClippedRegionFromSurface(); |
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110 | void RefineSurface(); |
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111 | void CalcOsloMatrix(); |
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112 | void MapSurface(G4Surface*); |
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113 | |
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114 | inline G4double Findzero(G4double x0, G4double x1, |
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115 | G4double y0, G4double y1) const; |
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116 | inline G4int Sign(G4double a) const; |
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117 | // For ClipSurface... |
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118 | |
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119 | inline G4int Amax(G4int i, G4int j) const; |
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120 | inline G4int Amin(G4int i, G4int j) const; |
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121 | inline G4int AhIndex(G4int j, G4int t, G4int iorder) const; |
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122 | // For calc_G4OsloMatrix... |
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123 | |
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124 | private: |
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125 | |
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126 | G4BezierSurface(const G4BezierSurface&); |
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127 | G4BezierSurface& operator=(const G4BezierSurface &); |
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128 | // Private copy constructor and assignment operator. |
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129 | |
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130 | private: |
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131 | |
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132 | G4int order[2]; |
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133 | G4double smin; |
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134 | G4double smax; |
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135 | G4Point3D line; |
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136 | G4double average_u; |
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137 | G4double average_v; |
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138 | G4Point3D average_pt; |
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139 | G4int dir; |
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140 | G4KnotVector *u_knots; |
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141 | G4KnotVector *v_knots; |
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142 | G4ControlPoints *ctl_points; |
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143 | |
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144 | G4KnotVector *new_knots; |
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145 | G4int ord; |
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146 | G4OsloMatrix * oslo_m; |
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147 | G4int lower,upper; |
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148 | G4double u[2]; |
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149 | G4double v[2]; |
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150 | G4double u_min; |
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151 | G4double u_max; |
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152 | G4double v_min; |
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153 | G4double v_max; |
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154 | G4ControlPoints* old_points; |
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155 | |
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156 | }; |
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157 | |
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158 | #include "G4BezierSurface.icc" |
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159 | |
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160 | #endif |
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