[815] | 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: G4ErrorSurfaceTrajState.hh,v 1.2 2007/05/29 14:41:35 gcosmo Exp $ |
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[850] | 28 | // GEANT4 tag $Name: HEAD $ |
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[815] | 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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