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: testG4Parameterised.cc,v 1.10 2006/06/29 18:58:38 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-04-beta-cand-01 $ |
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29 | // |
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30 | // |
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31 | // Test the Navigation in geometry with parameterised volumes (which |
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32 | // include rotations as well as translations). |
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33 | // Locate & Step within simple boxlike geometry, both |
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34 | // with and without voxels. Parameterised volumes are included. |
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35 | // Started from testG4Navigator1.cc |
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36 | |
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37 | #include <assert.h> |
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38 | #include "G4ios.hh" |
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39 | #include "ApproxEqual.hh" |
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40 | |
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41 | // Global defs |
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42 | #include "globals.hh" |
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43 | |
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44 | #include "G4LogicalVolume.hh" |
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45 | #include "G4VPhysicalVolume.hh" |
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46 | #include "G4PVPlacement.hh" |
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47 | #include "G4PVParameterised.hh" |
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48 | #include "G4VPVParameterisation.hh" |
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49 | #include "G4Box.hh" |
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50 | |
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51 | #include "G4GeometryManager.hh" |
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52 | |
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53 | #include "G4RotationMatrix.hh" |
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54 | #include "G4ThreeVector.hh" |
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55 | |
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56 | // Sample Parameterisation |
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57 | class MoveNRotate : public G4VPVParameterisation |
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58 | { |
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59 | public: |
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60 | MoveNRotate(G4double twistAngle) |
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61 | { |
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62 | fTwistAngle= twistAngle; |
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63 | fRotationVec= new G4RotationMatrix(); |
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64 | } |
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65 | |
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66 | virtual ~MoveNRotate() { delete fRotationVec; } |
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67 | |
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68 | G4double GetTwistAngle() { return fTwistAngle; } |
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69 | void SetTwistAngle(G4double newAngle ) { fTwistAngle= newAngle; } |
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70 | |
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71 | private: |
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72 | virtual void ComputeTransformation(const G4int n, |
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73 | G4VPhysicalVolume* pRep) const |
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74 | { |
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75 | pRep->SetTranslation(G4ThreeVector(0,n*100,0)); |
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76 | *fRotationVec = G4RotationMatrix(); // Unit matrix |
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77 | fRotationVec->rotateZ( n * fTwistAngle ); |
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78 | pRep->SetRotation( fRotationVec ); |
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79 | } |
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80 | |
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81 | virtual void ComputeDimensions(G4Box &pBox, |
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82 | const G4int, |
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83 | const G4VPhysicalVolume*) const |
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84 | { |
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85 | pBox.SetXHalfLength(10); |
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86 | pBox.SetYHalfLength(10); |
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87 | pBox.SetZHalfLength(10); |
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88 | } |
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89 | |
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90 | virtual void ComputeDimensions(G4Tubs &, |
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91 | const G4int , |
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92 | const G4VPhysicalVolume*) const {} |
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93 | virtual void ComputeDimensions(G4Trd &, |
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94 | const G4int, |
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95 | const G4VPhysicalVolume*) const {} |
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96 | virtual void ComputeDimensions(G4Cons &, |
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97 | const G4int , |
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98 | const G4VPhysicalVolume*) const {} |
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99 | virtual void ComputeDimensions(G4Trap &, |
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100 | const G4int , |
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101 | const G4VPhysicalVolume*) const {} |
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102 | virtual void ComputeDimensions(G4Hype &, |
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103 | const G4int , |
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104 | const G4VPhysicalVolume*) const {} |
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105 | virtual void ComputeDimensions(G4Orb &, |
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106 | const G4int , |
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107 | const G4VPhysicalVolume*) const {} |
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108 | virtual void ComputeDimensions(G4Sphere &, |
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109 | const G4int , |
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110 | const G4VPhysicalVolume*) const {} |
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111 | virtual void ComputeDimensions(G4Torus &, |
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112 | const G4int , |
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113 | const G4VPhysicalVolume*) const {} |
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114 | virtual void ComputeDimensions(G4Para &, |
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115 | const G4int , |
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116 | const G4VPhysicalVolume*) const {} |
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117 | virtual void ComputeDimensions(G4Polycone &, |
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118 | const G4int , |
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119 | const G4VPhysicalVolume*) const {} |
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120 | virtual void ComputeDimensions(G4Polyhedra &, |
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121 | const G4int , |
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122 | const G4VPhysicalVolume*) const {} |
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123 | private: |
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124 | G4RotationMatrix *fRotationVec; |
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125 | G4double fTwistAngle; |
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126 | }; |
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127 | |
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128 | G4double angle1= 15.0*pi/180.; |
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129 | MoveNRotate myParam(angle1); |
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130 | |
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131 | |
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132 | // Build simple geometry: |
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133 | // 4 small cubes (G4Boxes) are positioned inside a larger cuboid |
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134 | G4VPhysicalVolume* BuildGeometry() |
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135 | { |
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136 | |
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137 | // The world volume |
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138 | // |
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139 | G4Box *myBigBox= new G4Box ("Big Cube", 500, 500, 500); |
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140 | |
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141 | G4LogicalVolume *worldLog=new G4LogicalVolume(myBigBox,0, |
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142 | "World",0,0,0); |
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143 | // Logical with no material,field, |
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144 | // sensitive detector or user limits |
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145 | |
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146 | G4PVPlacement *worldPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0), |
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147 | "World",worldLog, |
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148 | 0,false,0); |
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149 | // Note: no mother pointer set |
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150 | |
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151 | |
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152 | // A set of boxes |
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153 | G4Box *myBox=new G4Box("cube",10,10,10); |
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154 | G4LogicalVolume *boxLog=new G4LogicalVolume(myBox,0, |
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155 | "Rotating Box",0,0,0); |
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156 | |
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157 | // G4PVParameterised *paramP= |
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158 | new G4PVParameterised("Rotating Blocks", |
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159 | boxLog, |
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160 | worldPhys, //OR worldLog, |
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161 | kYAxis, |
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162 | 3, |
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163 | &myParam); |
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164 | // Copies 0, 1 & 2 will exist |
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165 | |
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166 | return worldPhys; |
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167 | } |
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168 | |
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169 | // |
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170 | // Test LocateGlobalPointAndSetup |
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171 | // |
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172 | G4bool testG4Navigator1(G4VPhysicalVolume *pTopNode) |
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173 | { |
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174 | MyNavigator myNav; |
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175 | G4VPhysicalVolume *located; |
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176 | myNav.SetWorldVolume(pTopNode); |
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177 | |
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178 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0),0, false)); |
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179 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(100,100,100),0,false); |
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180 | assert(located->GetName()=="World"); |
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181 | |
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182 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0))); |
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183 | |
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184 | // |
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185 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,-5,-5),0,false); |
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186 | assert(located->GetName()=="Rotating Blocks"); |
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187 | assert(located->GetCopyNo()== 0); |
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188 | assert(ApproxEqual(myNav.CurrentLocalCoordinate(),G4ThreeVector(0,-5,-5))); |
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189 | G4cout << " Local coords = " << myNav.CurrentLocalCoordinate() << G4endl; |
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190 | |
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191 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,100,5)); |
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192 | assert(located->GetName()=="Rotating Blocks"); |
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193 | assert(located->GetCopyNo()== 1); |
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194 | G4cout << " Local coords = " << myNav.CurrentLocalCoordinate() << G4endl; |
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195 | // assert(ApproxEqual(myNav.CurrentLocalCoordinate(), |
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196 | // G4ThreeVector(0,0,10))); |
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197 | |
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198 | // Check that outside point causes stack to unwind |
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199 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0))); |
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200 | |
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201 | // Check parameterised volumes |
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202 | |
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203 | // Replication 0 |
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204 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,5,5)); |
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205 | assert(located->GetName()=="Rotating Blocks"); |
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206 | assert(located->GetCopyNo()== 0); |
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207 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,15,15)); |
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208 | assert(located->GetName()=="World"); |
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209 | |
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210 | // Replication 1 |
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211 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,105,5)); |
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212 | assert(located->GetName()=="Rotating Blocks"); |
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213 | assert(located->GetCopyNo()== 1); |
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214 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-17)); |
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215 | assert(located->GetName()=="World"); |
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216 | |
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217 | // Replication 2 |
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218 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,205,5)); |
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219 | assert(located->GetName()=="Rotating Blocks"); |
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220 | assert(located->GetCopyNo()== 2); |
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221 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,15,-18)); |
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222 | assert(located->GetName()=="World"); |
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223 | |
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224 | return true; |
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225 | } |
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226 | |
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227 | |
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228 | // |
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229 | // Test Stepping |
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230 | // |
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231 | G4bool testG4Navigator2(G4VPhysicalVolume *pTopNode) |
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232 | { |
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233 | MyNavigator myNav; |
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234 | G4VPhysicalVolume *located; |
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235 | G4double Step,physStep,safety; |
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236 | G4ThreeVector xHat(1,0,0),yHat(0,1,0),zHat(0,0,1); |
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237 | G4ThreeVector mxHat(-1,0,0),myHat(0,-1,0),mzHat(0,0,-1); |
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238 | |
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239 | myNav.SetWorldVolume(pTopNode); |
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240 | |
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241 | // |
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242 | // Test location & Step computation |
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243 | // |
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244 | G4ThreeVector StartPoint(-50,0,-5); |
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245 | located=myNav.LocateGlobalPointAndSetup( StartPoint ); |
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246 | assert(located->GetName()=="World"); |
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247 | physStep=kInfinity; |
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248 | Step=myNav.ComputeStep( StartPoint, mxHat,physStep,safety); // -x dir |
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249 | assert(ApproxEqual(Step,450)); |
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250 | // assert(ApproxEqual(safety,40)); |
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251 | // assert(safety>=0); |
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252 | |
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253 | StartPoint= G4ThreeVector(-15,0,-5); |
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254 | located=myNav.LocateGlobalPointAndSetup( StartPoint ); |
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255 | assert(located->GetName()=="World"); |
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256 | physStep=kInfinity; |
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257 | Step=myNav.ComputeStep( StartPoint,xHat,physStep,safety); // +x dir |
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258 | assert(ApproxEqual(Step,5)); |
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259 | // assert(ApproxEqual(safety,5)); |
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260 | assert(safety>=0); |
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261 | myNav.SetGeometricallyLimitedStep(); |
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262 | G4ThreeVector EndPoint = StartPoint + Step * xHat; |
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263 | located=myNav.LocateGlobalPointAndSetup(EndPoint,0,true); |
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264 | assert(located->GetName()=="Rotating Blocks"); |
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265 | |
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266 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-40)); |
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267 | assert(located->GetName()=="World"); |
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268 | physStep=kInfinity; |
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269 | Step=myNav.ComputeStep(G4ThreeVector(0,0,-40),zHat,physStep,safety); |
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270 | assert(ApproxEqual(Step,30)); |
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271 | // assert(ApproxEqual(safety,5)); |
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272 | assert(safety>=0); |
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273 | |
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274 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0, 40)); |
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275 | assert(located->GetName()=="World"); |
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276 | physStep=kInfinity; |
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277 | Step=myNav.ComputeStep(G4ThreeVector(0,0,40),mzHat,physStep,safety); |
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278 | assert(ApproxEqual(Step,30)); |
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279 | // assert(ApproxEqual(safety,5)); |
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280 | assert(safety>=0); |
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281 | |
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282 | |
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283 | // |
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284 | // Test moving through series of volumes |
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285 | // |
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286 | StartPoint= G4ThreeVector(0,-20,0); |
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287 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,-20,0)); |
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288 | assert(located->GetName()=="World"); |
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289 | |
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290 | // Replication 0 block |
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291 | // |
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292 | physStep=kInfinity; |
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293 | Step=myNav.ComputeStep(G4ThreeVector(0,-20,0),yHat,physStep,safety); |
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294 | assert(ApproxEqual(Step,10)); |
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295 | EndPoint= StartPoint + Step * yHat; // Should be 0, -10, 0 |
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296 | assert(ApproxEqual( 0, (EndPoint-G4ThreeVector(0,-10,0)).mag()) ); |
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297 | // assert(ApproxEqual(safety,0)); |
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298 | |
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299 | myNav.SetGeometricallyLimitedStep(); |
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300 | located=myNav.LocateGlobalPointAndSetup(EndPoint) ; |
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301 | assert(located->GetName()=="Rotating Blocks"); |
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302 | Step=myNav.ComputeStep(EndPoint,yHat,physStep,safety); |
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303 | assert(ApproxEqual(Step,20)); |
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304 | assert(ApproxEqual(safety,0)); |
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305 | myNav.SetGeometricallyLimitedStep(); |
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306 | EndPoint += Step * yHat; // Should be 0, +10, 0 |
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307 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
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308 | assert(located->GetName()=="World"); |
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309 | |
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310 | // Replication 1 block |
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311 | // |
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312 | StartPoint= EndPoint; |
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313 | physStep=kInfinity; |
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314 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
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315 | assert(ApproxEqual(Step,90.-10./std::cos(angle1))); |
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316 | EndPoint= StartPoint + Step * yHat; // Should near 0, 90, 0 |
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317 | assert(safety<=Step); |
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318 | myNav.SetGeometricallyLimitedStep(); |
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319 | located=myNav.LocateGlobalPointAndSetup(EndPoint) ; |
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320 | assert(located->GetName()=="Rotating Blocks"); |
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321 | |
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322 | StartPoint= EndPoint; |
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323 | physStep=kInfinity; |
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324 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
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325 | assert(ApproxEqual(Step,20./std::cos(angle1))); |
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326 | assert(ApproxEqual(safety,0)); |
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327 | myNav.SetGeometricallyLimitedStep(); |
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328 | EndPoint += Step * yHat; // Should be near 0, 110, 0 |
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329 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
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330 | assert(located->GetName()=="World"); |
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331 | |
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332 | // Replication 2 block |
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333 | // |
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334 | StartPoint= EndPoint; |
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335 | physStep=kInfinity; |
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336 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
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337 | assert(ApproxEqual(Step,100.-10.*(1./std::cos(angle1)+1./std::cos(2.*angle1)))); |
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338 | EndPoint= StartPoint + Step * yHat; // Should near 0, 190, 0 |
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339 | assert(safety<=Step); |
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340 | myNav.SetGeometricallyLimitedStep(); |
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341 | located=myNav.LocateGlobalPointAndSetup(EndPoint); |
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342 | assert(located->GetName()=="Rotating Blocks"); |
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343 | |
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344 | StartPoint= EndPoint; |
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345 | physStep=kInfinity; |
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346 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
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347 | assert(ApproxEqual(Step,20./std::cos(2.*angle1))); |
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348 | assert(ApproxEqual(safety,0)); |
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349 | myNav.SetGeometricallyLimitedStep(); |
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350 | EndPoint += Step * yHat; // Should be near 0, 110, 0 |
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351 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
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352 | assert(located->GetName()=="World"); |
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353 | |
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354 | // Edge of the world |
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355 | // |
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356 | StartPoint= EndPoint; |
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357 | physStep=kInfinity; |
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358 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
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359 | assert(ApproxEqual(Step, 300. - 10./std::cos(2.*angle1) )); |
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360 | assert(ApproxEqual(safety,0)); |
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361 | myNav.SetGeometricallyLimitedStep(); |
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362 | EndPoint += Step * yHat; // Should be near 0, 110, 0 |
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363 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
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364 | assert(!located); |
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365 | |
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366 | |
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367 | return true; |
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368 | } |
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369 | |
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370 | int main() |
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371 | { |
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372 | G4VPhysicalVolume *myTopNode; |
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373 | myTopNode=BuildGeometry(); // Build the geometry |
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374 | G4GeometryManager::GetInstance()->CloseGeometry(false); |
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375 | testG4Navigator1(myTopNode); |
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376 | testG4Navigator2(myTopNode); |
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377 | // Repeat tests but with full voxels |
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378 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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379 | G4GeometryManager::GetInstance()->CloseGeometry(true); |
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380 | testG4Navigator1(myTopNode); |
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381 | testG4Navigator2(myTopNode); |
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382 | |
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383 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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384 | return 0; |
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385 | } |
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386 | |
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387 | |
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388 | |
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389 | |
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