Gabriele Cosmo
131 lines
4.9 KiB
C++
131 lines
4.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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//
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//
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// Class description:
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//
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// Represents a trajectory state on a surface.
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// It can be represented by the 5 variables:
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// 1/p, v', w', v, w
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// where v'=dv/du and w'=dw/du in an orthonormal coordinate system
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// with axis u, v and w.
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// History:
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//
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// - Created: P. Arce
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// --------------------------------------------------------------------
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#ifndef G4ErrorSurfaceTrajState_hh
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#define G4ErrorSurfaceTrajState_hh
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#include "globals.hh"
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#include "G4ErrorTrajState.hh"
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#include "G4ErrorSurfaceTrajParam.hh"
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#include "G4ErrorFreeTrajState.hh"
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#include "G4Point3D.hh"
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#include "G4Vector3D.hh"
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#include "G4Plane3D.hh"
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class G4ErrorSurfaceTrajState : public G4ErrorTrajState
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{
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public: // with description
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G4ErrorSurfaceTrajState(const G4String& partType, const G4Point3D& pos,
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const G4Vector3D& mom, const G4Plane3D& plane,
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const G4ErrorTrajErr& errmat = G4ErrorTrajErr(5, 0));
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// Constructor by providing particle, position, momentum and
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// G4Plane3D surface
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G4ErrorSurfaceTrajState(const G4String& partType, const G4Point3D& pos,
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const G4Vector3D& mom, const G4Vector3D& vecV,
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const G4Vector3D& vecW,
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const G4ErrorTrajErr& errmat = G4ErrorTrajErr(5, 0));
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// Constructor by providing particle, position, momentum and
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// two vectors on surface
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G4ErrorSurfaceTrajState(G4ErrorFreeTrajState& tpSC, const G4Plane3D& plane);
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// Constructor by providing G4ErrorFreeTrajState and G4Plane3D surface
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G4ErrorSurfaceTrajState(G4ErrorFreeTrajState& tpSC, const G4Vector3D& vecV,
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const G4Vector3D& vecW, G4ErrorMatrix& transfM);
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// Constructor by providing G4ErrorFreeTrajState and two vectors on surface
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~G4ErrorSurfaceTrajState() {}
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G4ErrorMatrix BuildErrorMatrix(G4ErrorFreeTrajState& tpSC,
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const G4Vector3D& vecV,
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const G4Vector3D& vecW);
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// Build the error matrix from a free state plus the vectors of the surface
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virtual void Dump(std::ostream& out = G4cout) const;
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friend std::ostream& operator<<(std::ostream&,
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const G4ErrorSurfaceTrajState& ts);
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// Set and Get methods
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G4ErrorSurfaceTrajParam GetParameters() const { return fTrajParam; }
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void SetParameters(const G4Point3D& pos, const G4Vector3D& mom,
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const G4Vector3D& vecV, const G4Vector3D& vecW)
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{
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fPosition = pos;
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fMomentum = mom;
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fTrajParam.SetParameters(pos, mom, vecV, vecW);
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}
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void SetParameters(const G4Point3D& pos, const G4Vector3D& mom,
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const G4Plane3D& plane)
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{
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fPosition = pos;
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fMomentum = mom;
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fTrajParam.SetParameters(pos, mom, plane);
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}
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G4Vector3D GetVectorV() const { return fTrajParam.GetVectorV(); }
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G4Vector3D GetVectorW() const { return fTrajParam.GetVectorW(); }
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virtual void SetPosition(const G4Point3D pos)
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{
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SetParameters(pos, fMomentum, GetVectorV(), GetVectorW());
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}
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virtual void SetMomentum(const G4Vector3D& mom)
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{
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SetParameters(fPosition, mom, GetVectorV(), GetVectorW());
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}
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private:
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void Init();
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// Define Trajectory State type and build charge
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private:
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G4ErrorSurfaceTrajParam fTrajParam;
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};
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#endif
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