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HelixTrackModel.h
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the newest version in sPHENIX GitHub for file HelixTrackModel.h
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/* Copyright 2013, Technische Universitaet Muenchen,
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Authors: Johannes Rauch
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This file is part of GENFIT.
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GENFIT is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GENFIT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with GENFIT. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef genfit_HelixTrackModel_h
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#define genfit_HelixTrackModel_h
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#include <TObject.h>
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#include <TVector3.h>
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namespace
genfit {
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class
HelixTrackModel
:
public
TObject {
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public
:
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// Constructors/Destructors ---------
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HelixTrackModel
(
const
TVector3&
pos
,
const
TVector3& mom,
double
charge
);
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TVector3
getPos
(
double
tracklength)
const
;
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void
getPosMom
(
double
tracklength, TVector3& pos, TVector3& mom)
const
;
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void
getPosDir
(
double
tracklength, TVector3& pos, TVector3& dir)
const
{
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getPosMom
(tracklength, pos, dir);
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dir.SetMag(1);
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}
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private
:
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double
sgn_
;
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double
mom_
;
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double
R_
;
// radius
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TVector3
center_
;
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double
alpha0_
;
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double
theta_
;
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public
:
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ClassDef(
HelixTrackModel
,1)
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};
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}
/* End of namespace genfit */
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#endif // genfit_HelixTrackModel_h
GenFit
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utilities
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HelixTrackModel.h
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. updated:
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