1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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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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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: G4ErrorSurfaceTrajState.hh,v 1.2 2007/05/29 14:41:35 gcosmo Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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29 | // |
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30 | // |
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31 | // Class description: |
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32 | // |
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33 | // Represents a trajectory state on a surface. |
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34 | // It can be represented by the 5 variables: |
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35 | // 1/p, v', w', v, w |
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36 | // where v'=dv/du and w'=dw/du in an orthonormal coordinate system |
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37 | // with axis u, v and w. |
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38 | |
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39 | // History: |
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40 | // |
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41 | // - Created: P. Arce |
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42 | // -------------------------------------------------------------------- |
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43 | |
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44 | #ifndef G4ErrorSurfaceTrajState_hh |
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45 | #define G4ErrorSurfaceTrajState_hh |
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46 | |
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47 | #include "globals.hh" |
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48 | |
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49 | #include "G4ErrorTrajState.hh" |
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50 | #include "G4ErrorSurfaceTrajParam.hh" |
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51 | #include "G4ErrorFreeTrajState.hh" |
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52 | |
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53 | #include "G4Point3D.hh" |
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54 | #include "G4Vector3D.hh" |
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55 | #include "G4Plane3D.hh" |
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56 | |
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57 | class G4ErrorSurfaceTrajState : public G4ErrorTrajState |
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58 | { |
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59 | |
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60 | public: // with description |
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61 | |
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62 | G4ErrorSurfaceTrajState( const G4String& partType, const G4Point3D& pos, |
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63 | const G4Vector3D& mom, const G4Plane3D& plane, |
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64 | const G4ErrorTrajErr& errmat = G4ErrorTrajErr(5,0) ); |
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65 | // Constructor by providing particle, position, momentum and |
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66 | // G4Plane3D surface |
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67 | |
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68 | G4ErrorSurfaceTrajState( const G4String& partType, const G4Point3D& pos, |
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69 | const G4Vector3D& mom, const G4Vector3D& vecV, |
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70 | const G4Vector3D& vecW, |
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71 | const G4ErrorTrajErr& errmat = G4ErrorTrajErr(5,0) ); |
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72 | // Constructor by providing particle, position, momentum and |
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73 | // two vectors on surface |
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74 | |
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75 | G4ErrorSurfaceTrajState( G4ErrorFreeTrajState& tpSC, const G4Plane3D& plane ); |
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76 | // Constructor by providing G4ErrorFreeTrajState and G4Plane3D surface |
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77 | |
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78 | G4ErrorSurfaceTrajState( G4ErrorFreeTrajState& tpSC, const G4Vector3D& vecV, |
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79 | const G4Vector3D& vecW ); |
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80 | // Constructor by providing G4ErrorFreeTrajState and two vectors on surface |
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81 | |
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82 | ~G4ErrorSurfaceTrajState(){} |
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83 | |
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84 | void BuildErrorMatrix( G4ErrorFreeTrajState& tpSC, const G4Vector3D& vecV, |
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85 | const G4Vector3D& vecW ); |
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86 | // Build the error matrix from a free state plus the vectors of the surface |
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87 | |
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88 | virtual void Dump( std::ostream& out = G4cout ) const; |
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89 | |
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90 | friend |
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91 | std::ostream& operator<<(std::ostream&, const G4ErrorSurfaceTrajState& ts); |
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92 | |
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93 | // Set and Get methods |
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94 | |
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95 | G4ErrorSurfaceTrajParam GetParameters() const |
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96 | { return fTrajParam; } |
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97 | void SetParameters( const G4Point3D& pos, const G4Vector3D& mom, |
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98 | const G4Vector3D& vecV, const G4Vector3D& vecW ) |
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99 | { |
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100 | fPosition = pos; |
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101 | fMomentum = mom; |
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102 | fTrajParam.SetParameters( pos, mom, vecV, vecW ); |
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103 | } |
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104 | |
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105 | void SetParameters( const G4Point3D& pos, const G4Vector3D& mom, |
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106 | const G4Plane3D& plane ) |
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107 | { |
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108 | fPosition = pos; |
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109 | fMomentum = mom; |
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110 | fTrajParam.SetParameters( pos, mom, plane ); |
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111 | } |
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112 | |
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113 | G4Vector3D GetVectorV() const |
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114 | { return fTrajParam.GetVectorV(); } |
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115 | |
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116 | G4Vector3D GetVectorW() const |
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117 | { return fTrajParam.GetVectorW(); } |
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118 | |
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119 | virtual void SetPosition( const G4Point3D pos ) |
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120 | { SetParameters( pos, fMomentum, GetVectorV(), GetVectorW() ); } |
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121 | |
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122 | virtual void SetMomentum( const G4Vector3D& mom ) |
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123 | { SetParameters( fPosition, mom, GetVectorV(), GetVectorW() ); } |
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124 | |
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125 | private: |
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126 | |
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127 | void Init(); |
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128 | // Define Trajectory State type and build charge |
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129 | |
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130 | private: |
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131 | |
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132 | G4ErrorSurfaceTrajParam fTrajParam; |
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133 | |
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134 | }; |
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135 | |
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136 | #endif |
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