1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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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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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: G4RegularNavigation.hh,v 1.2 2007/10/18 14:18:36 gcosmo Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02-cand-01 $ |
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29 | // |
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30 | // |
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31 | // class G4RegularNavigation |
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32 | // |
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33 | // Class description: |
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34 | // |
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35 | // Utility for fast navigation in volumes containing a regular |
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36 | // parameterisation. If two contiguous voxels have the same material, |
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37 | // navigation does not stop at the surface |
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38 | |
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39 | // History: |
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40 | // - Created. P. Arce, May 2007 |
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41 | // -------------------------------------------------------------------- |
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42 | #ifndef G4RegularNavigation_HH |
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43 | #define G4RegularNavigation_HH |
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44 | |
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45 | #include <vector> |
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46 | |
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47 | #include "G4Types.hh" |
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48 | #include "G4ThreeVector.hh" |
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49 | |
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50 | class G4NormalNavigation; |
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51 | class G4VPhysicalVolume; |
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52 | class G4Navigator; |
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53 | class G4NavigationHistory; |
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54 | |
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55 | class G4RegularNavigation |
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56 | { |
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57 | public: // with description |
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58 | |
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59 | G4RegularNavigation(); |
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60 | ~G4RegularNavigation(); |
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61 | |
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62 | G4bool LevelLocate( G4NavigationHistory& history, |
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63 | const G4VPhysicalVolume* blockedVol, |
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64 | const G4int blockedNum, |
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65 | const G4ThreeVector& globalPoint, |
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66 | const G4ThreeVector* globalDirection, |
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67 | const G4bool pLocatedOnEdge, |
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68 | G4ThreeVector& localPoint ); |
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69 | // Locate point using its position with respect to regular |
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70 | // parameterisation container volume. |
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71 | |
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72 | G4double ComputeStep( const G4ThreeVector& globalPoint, |
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73 | const G4ThreeVector& globalDirection, |
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74 | const G4double currentProposedStepLength, |
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75 | G4double& newSafety, |
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76 | G4NavigationHistory& history, |
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77 | G4bool& validExitNormal, |
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78 | G4ThreeVector& exitNormal, |
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79 | G4bool& exiting, |
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80 | G4bool& entering, |
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81 | G4VPhysicalVolume *(*pBlockedPhysical), |
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82 | G4int& blockedReplicaNo ); |
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83 | // Method never called because to be called the daughter has to be a |
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84 | // 'regular' volume. This would only happen if the track is in the |
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85 | // mother of voxels volume. But the voxels fill completely their mother, |
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86 | // so when a track enters the mother it automatically enters a voxel. |
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87 | |
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88 | G4double ComputeStepSkippingEqualMaterials( |
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89 | const G4ThreeVector localPoint, |
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90 | const G4ThreeVector& globalDirection, |
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91 | const G4double currentProposedStepLength, |
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92 | G4double& newSafety, |
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93 | G4NavigationHistory& history, |
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94 | G4bool& validExitNormal, |
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95 | G4ThreeVector& exitNormal, |
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96 | G4bool& exiting, |
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97 | G4bool& entering, |
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98 | G4VPhysicalVolume *(*pBlockedPhysical), |
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99 | G4int& blockedReplicaNo, |
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100 | G4VPhysicalVolume* pCurrentPhysical); |
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101 | // Compute the step skipping surfaces when they separate voxels with |
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102 | // equal materials. Loop to voxels until a different material is found: |
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103 | // invokes G4NormalNavigation::ComputeStep() in each voxel and move the |
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104 | // point to the next voxel. |
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105 | |
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106 | G4double ComputeSafety( const G4ThreeVector& localPoint, |
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107 | const G4NavigationHistory& history, |
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108 | const G4double pProposedMaxLength=DBL_MAX ); |
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109 | // Method never called because to be called the daughter has to be a |
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110 | // 'regular' volume. This would only happen if the track is in the |
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111 | // mother of voxels volume. But the voxels fill completely their mother, |
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112 | // so when a track enters the mother it automatically enters a voxel. |
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113 | |
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114 | public: // without description |
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115 | |
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116 | // Set and Get methods |
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117 | |
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118 | void SetVerboseLevel(G4int level) { fVerbose = level; } |
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119 | void CheckMode(G4bool mode) { fCheck = mode; } |
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120 | void SetNormalNavigation( G4NormalNavigation* fnormnav ) |
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121 | { fnormalNav = fnormnav; } |
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122 | |
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123 | private: |
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124 | |
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125 | G4int fVerbose; |
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126 | G4bool fCheck; |
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127 | |
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128 | G4NormalNavigation* fnormalNav; |
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129 | G4double kCarTolerance; |
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130 | }; |
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131 | |
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132 | #endif |
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