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 intellectual property of the * |
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19 | // * Vanderbilt University Free Electron Laser Center * |
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20 | // * Vanderbilt University, Nashville, TN, USA * |
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21 | // * Development supported by: * |
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22 | // * United States MFEL program under grant FA9550-04-1-0045 * |
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23 | // * and NASA under contract number NNG04CT05P. * |
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24 | // * Written by Marcus H. Mendenhall and Robert A. Weller. * |
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25 | // * * |
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26 | // * Contributed to the Geant4 Core, January, 2005. * |
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27 | // * * |
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28 | // ******************************************************************** |
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29 | // |
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30 | // |
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31 | // $Id: G4Tet.hh,v 1.9 2006/11/13 08:58:03 gcosmo Exp $ |
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32 | // GEANT4 tag $Name: geant4-09-03 $ |
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33 | // |
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34 | // |
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35 | // -------------------------------------------------------------------- |
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36 | // GEANT 4 class header file |
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37 | // |
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38 | // G4Tet |
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39 | // |
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40 | // Class description: |
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41 | // |
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42 | // A G4Tet is a tetrahedrasolid. |
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43 | // |
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44 | |
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45 | // History: |
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46 | // ------- |
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47 | // 03.09.2004 - M.H.Mendenhall & R.A.Weller (Vanderbilt University, USA) |
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48 | // 10.02.2005 - D.Anninos (CERN) - Added GetPointOnSurface() method. |
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49 | // 12.11.2006 - M.H.Mendenhall - Added GetSurfaceArea() concrete implementation. |
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50 | // -------------------------------------------------------------------- |
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51 | #ifndef G4TET_HH |
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52 | #define G4TET_HH |
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53 | |
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54 | #include "G4VSolid.hh" |
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55 | |
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56 | class G4Tet : public G4VSolid |
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57 | { |
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58 | |
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59 | public: // with description |
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60 | |
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61 | G4Tet(const G4String& pName, |
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62 | G4ThreeVector anchor, |
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63 | G4ThreeVector p2, |
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64 | G4ThreeVector p3, |
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65 | G4ThreeVector p4, |
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66 | G4bool *degeneracyFlag=0); |
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67 | |
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68 | virtual ~G4Tet(); |
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69 | |
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70 | void ComputeDimensions(G4VPVParameterisation* p, |
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71 | const G4int n, |
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72 | const G4VPhysicalVolume* pRep); |
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73 | |
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74 | G4bool CalculateExtent(const EAxis pAxis, |
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75 | const G4VoxelLimits& pVoxelLimit, |
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76 | const G4AffineTransform& pTransform, |
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77 | G4double& pmin, G4double& pmax) const; |
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78 | // Methods for solid |
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79 | |
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80 | EInside Inside(const G4ThreeVector& p) const; |
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81 | |
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82 | G4ThreeVector SurfaceNormal( const G4ThreeVector& p) const; |
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83 | |
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84 | G4double DistanceToIn(const G4ThreeVector& p, const G4ThreeVector& v) const; |
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85 | |
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86 | G4double DistanceToIn(const G4ThreeVector& p) const; |
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87 | |
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88 | G4double DistanceToOut(const G4ThreeVector& p, const G4ThreeVector& v, |
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89 | const G4bool calcNorm=false, |
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90 | G4bool *validNorm=0, G4ThreeVector *n=0) const; |
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91 | |
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92 | G4double DistanceToOut(const G4ThreeVector& p) const; |
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93 | |
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94 | G4double GetCubicVolume(); |
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95 | G4double GetSurfaceArea(); |
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96 | |
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97 | G4GeometryType GetEntityType() const; |
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98 | |
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99 | std::ostream& StreamInfo(std::ostream& os) const; |
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100 | |
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101 | G4ThreeVector GetPointOnSurface() const; |
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102 | |
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103 | // Functions for visualization |
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104 | |
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105 | void DescribeYourselfTo (G4VGraphicsScene& scene) const; |
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106 | G4VisExtent GetExtent () const; |
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107 | G4Polyhedron* CreatePolyhedron () const; |
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108 | G4NURBS* CreateNURBS () const; |
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109 | G4Polyhedron* GetPolyhedron () const; |
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110 | |
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111 | public: // without description |
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112 | |
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113 | G4Tet(__void__&); |
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114 | // Fake default constructor for usage restricted to direct object |
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115 | // persistency for clients requiring preallocation of memory for |
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116 | // persistifiable objects. |
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117 | |
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118 | const char* CVSHeaderVers() |
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119 | { return "$Id: G4Tet.hh,v 1.9 2006/11/13 08:58:03 gcosmo Exp $"; } |
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120 | const char* CVSFileVers() |
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121 | { return CVSVers; } |
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122 | void PrintWarnings(G4bool flag) |
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123 | { warningFlag=flag; } |
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124 | static G4bool CheckDegeneracy(G4ThreeVector anchor, |
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125 | G4ThreeVector p2, |
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126 | G4ThreeVector p3, |
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127 | G4ThreeVector p4); |
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128 | std::vector<G4ThreeVector> GetVertices() const; |
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129 | // Return the four vertices of the shape. |
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130 | |
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131 | protected: // with description |
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132 | |
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133 | G4ThreeVectorList* |
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134 | CreateRotatedVertices(const G4AffineTransform& pTransform) const; |
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135 | // Create the List of transformed vertices in the format required |
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136 | // for G4VSolid:: ClipCrossSection and ClipBetweenSections. |
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137 | |
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138 | private: |
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139 | |
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140 | G4double fCubicVolume, fSurfaceArea; |
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141 | |
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142 | mutable G4Polyhedron* fpPolyhedron; |
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143 | |
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144 | G4ThreeVector GetPointOnFace(G4ThreeVector p1, G4ThreeVector p2, |
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145 | G4ThreeVector p3, G4double& area) const; |
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146 | static const char CVSVers[]; |
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147 | |
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148 | private: |
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149 | |
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150 | G4ThreeVector fAnchor, fP2, fP3, fP4, fMiddle; |
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151 | G4ThreeVector fNormal123, fNormal142, fNormal134, fNormal234; |
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152 | |
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153 | G4bool warningFlag; |
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154 | |
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155 | G4double fCdotN123, fCdotN142, fCdotN134, fCdotN234; |
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156 | G4double fXMin, fXMax, fYMin, fYMax, fZMin, fZMax; |
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157 | G4double fDx, fDy, fDz, fTol, fMaxSize; |
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158 | }; |
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159 | |
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160 | #endif |
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