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: G4Hype.hh,v 1.15 2006/10/20 13:45:20 gcosmo Exp $ |
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28 | // $Original: G4Hype.hh,v 1.0 1998/06/09 16:57:50 safai Exp $ |
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29 | // GEANT4 tag $Name: HEAD $ |
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30 | // |
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31 | // |
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32 | // -------------------------------------------------------------------- |
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33 | // GEANT 4 class header file |
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34 | // |
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35 | // |
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36 | // G4Hype |
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37 | // |
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38 | // Class description: |
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39 | // |
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40 | // This class implements a tube with hyperbolic profile. |
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41 | // |
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42 | // It describes an hyperbolic volume with curved sides parallel to |
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43 | // the z-axis. The solid has a specified half-length along the z axis, |
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44 | // about which it is centered, and a given minimum and maximum radius. |
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45 | // A minimum radius of 0 signifies a filled Hype (with hyperbolical |
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46 | // inner surface). To have a filled Hype the user must specify |
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47 | // inner radius = 0 AND inner stereo angle = 0. |
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48 | // |
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49 | // The inner and outer hyperbolical surfaces can have different |
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50 | // stereo angles. A stereo angle of 0 gives a cylindrical surface. |
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51 | |
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52 | // Authors: |
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53 | // Ernesto Lamanna (Ernesto.Lamanna@roma1.infn.it) & |
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54 | // Francesco Safai Tehrani (Francesco.SafaiTehrani@roma1.infn.it) |
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55 | // Rome, INFN & University of Rome "La Sapienza", 9 June 1998. |
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56 | // |
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57 | // -------------------------------------------------------------------- |
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58 | #ifndef G4HYPE_HH |
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59 | #define G4HYPE_HH |
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60 | |
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61 | #include "G4VSolid.hh" |
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62 | #include "G4ThreeVector.hh" |
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63 | |
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64 | class G4SolidExtentList; |
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65 | class G4ClippablePolygon; |
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66 | |
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67 | class G4Hype : public G4VSolid |
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68 | { |
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69 | public: // with description |
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70 | |
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71 | G4Hype(const G4String& pName, |
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72 | G4double newInnerRadius, |
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73 | G4double newOuterRadius, |
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74 | G4double newInnerStereo, |
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75 | G4double newOuterStereo, |
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76 | G4double newHalfLenZ); |
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77 | |
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78 | virtual ~G4Hype(); |
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79 | |
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80 | void ComputeDimensions(G4VPVParameterisation* p, |
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81 | const G4int n, |
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82 | const G4VPhysicalVolume* pRep); |
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83 | |
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84 | G4bool CalculateExtent(const EAxis pAxis, |
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85 | const G4VoxelLimits& pVoxelLimit, |
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86 | const G4AffineTransform& pTransform, |
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87 | G4double& pmin, G4double& pmax) const; |
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88 | |
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89 | inline G4double GetInnerRadius () const; |
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90 | inline G4double GetOuterRadius () const; |
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91 | inline G4double GetZHalfLength () const; |
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92 | inline G4double GetInnerStereo () const; |
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93 | inline G4double GetOuterStereo () const; |
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94 | |
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95 | inline void SetInnerRadius (G4double newIRad); |
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96 | inline void SetOuterRadius (G4double newORad); |
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97 | inline void SetZHalfLength (G4double newHLZ); |
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98 | inline void SetInnerStereo (G4double newISte); |
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99 | inline void SetOuterStereo (G4double newOSte); |
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100 | |
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101 | EInside Inside(const G4ThreeVector& p) const; |
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102 | |
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103 | G4ThreeVector SurfaceNormal(const G4ThreeVector& p) const; |
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104 | |
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105 | G4double DistanceToIn(const G4ThreeVector& p, const G4ThreeVector& v) const; |
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106 | G4double DistanceToIn(const G4ThreeVector& p) const; |
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107 | G4double DistanceToOut(const G4ThreeVector& p, const G4ThreeVector& v, |
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108 | const G4bool calcNorm=G4bool(false), |
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109 | G4bool *validNorm=0, G4ThreeVector *n=0) const; |
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110 | G4double DistanceToOut(const G4ThreeVector& p) const; |
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111 | |
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112 | G4GeometryType GetEntityType() const; |
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113 | |
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114 | std::ostream& StreamInfo(std::ostream& os) const; |
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115 | |
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116 | G4double GetCubicVolume(); |
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117 | G4double GetSurfaceArea(); |
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118 | |
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119 | G4ThreeVector GetPointOnSurface() const; |
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120 | |
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121 | void DescribeYourselfTo (G4VGraphicsScene& scene) const; |
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122 | G4VisExtent GetExtent () const; |
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123 | G4Polyhedron* CreatePolyhedron () const; |
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124 | G4NURBS* CreateNURBS () const; |
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125 | G4Polyhedron* GetPolyhedron () const; |
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126 | |
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127 | public: // without description |
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128 | |
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129 | G4Hype(__void__&); |
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130 | // Fake default constructor for usage restricted to direct object |
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131 | // persistency for clients requiring preallocation of memory for |
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132 | // persistifiable objects. |
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133 | |
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134 | protected: // without description |
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135 | |
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136 | inline G4bool InnerSurfaceExists() const; |
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137 | // whether we have an inner surface or not |
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138 | |
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139 | static G4double ApproxDistOutside( G4double pr, G4double pz, |
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140 | G4double r0, G4double tanPhi ); |
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141 | static G4double ApproxDistInside( G4double pr, G4double pz, |
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142 | G4double r0, G4double tan2Phi ); |
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143 | // approximate isotropic distance to hyperbolic surface |
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144 | |
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145 | inline G4double HypeInnerRadius2(G4double zVal) const; |
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146 | inline G4double HypeOuterRadius2(G4double zVal) const; |
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147 | // values of hype radius at a given Z |
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148 | |
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149 | static G4int IntersectHype( const G4ThreeVector &p, const G4ThreeVector &v, |
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150 | G4double r2, G4double tan2Phi, G4double s[2] ); |
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151 | // intersection with hyperbolic surface |
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152 | |
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153 | static void AddPolyToExtent( const G4ThreeVector &v0, |
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154 | const G4ThreeVector &v1, |
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155 | const G4ThreeVector &w1, |
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156 | const G4ThreeVector &w0, |
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157 | const G4VoxelLimits &voxelLimit, |
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158 | const EAxis axis, |
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159 | G4SolidExtentList &extentList ); |
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160 | |
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161 | protected: |
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162 | |
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163 | G4double innerRadius; |
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164 | G4double outerRadius; |
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165 | G4double halfLenZ; |
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166 | G4double innerStereo; |
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167 | G4double outerStereo; |
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168 | |
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169 | // precalculated parameters, squared quantities |
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170 | |
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171 | G4double tanInnerStereo; |
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172 | G4double tanOuterStereo; |
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173 | G4double tanInnerStereo2; // squared tan of Inner Stereo angle |
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174 | G4double tanOuterStereo2; // squared tan of Outer Stereo angle |
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175 | G4double innerRadius2; // squared Inner Radius |
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176 | G4double outerRadius2; // squared Outer Radius |
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177 | G4double endInnerRadius2; // squared endcap Inner Radius |
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178 | G4double endOuterRadius2; // squared endcap Outer Radius |
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179 | G4double endInnerRadius; // endcap Inner Radius |
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180 | G4double endOuterRadius; // endcap Outer Radius |
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181 | |
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182 | // Used by distanceToOut |
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183 | |
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184 | enum ESide {outerFace,innerFace,leftCap, rightCap}; |
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185 | |
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186 | private: |
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187 | |
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188 | G4double asinh(G4double arg); |
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189 | |
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190 | private: |
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191 | |
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192 | G4double fCubicVolume; |
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193 | G4double fSurfaceArea; |
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194 | |
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195 | mutable G4Polyhedron* fpPolyhedron; |
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196 | |
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197 | }; |
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198 | |
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199 | #include "G4Hype.icc" |
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200 | |
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201 | #endif |
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