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FastSimulation
SimplifiedGeometryPropagator
interface
HelixTrajectory.h
Go to the documentation of this file.
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#ifndef FASTSIM_HELIXTRAJECTORY_H
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#define FASTSIM_HELIXTRAJECTORY_H
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#include "
FastSimulation/SimplifiedGeometryPropagator/interface/Trajectory.h
"
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// Author: L. Vanelderen, S. Kurz
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// Date: 29 May 2017
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namespace
fastsim {
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class
HelixTrajectory
:
public
Trajectory
{
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public
:
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HelixTrajectory
(
const
Particle
& particle,
double
magneticFieldZ);
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bool
crosses
(
const
BarrelSimplifiedGeometry
&
layer
)
const override
;
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double
nextCrossingTimeC
(
const
BarrelSimplifiedGeometry
& layer,
bool
onLayer =
false
)
const override
;
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void
move
(
double
deltaTimeC)
override
;
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double
getRadParticle
(
double
phi)
const
;
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private
:
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const
double
radius_
;
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const
double
phi_
;
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const
double
centerX_
;
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const
double
centerY_
;
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const
double
centerR_
;
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const
double
minR_
;
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const
double
maxR_
;
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const
double
phiSpeed_
;
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};
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}
// namespace fastsim
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#endif
fastsim::HelixTrajectory::minR_
const double minR_
The minimal distance of the helix from the center of the tracker.
Definition:
HelixTrajectory.h:63
fastsim::HelixTrajectory::phi_
const double phi_
Ranges from 0 to 2PI: 0 corresponds to the positive X direction, phi increases counterclockwise.
Definition:
HelixTrajectory.h:58
fastsim::HelixTrajectory::radius_
const double radius_
The radius of the helix.
Definition:
HelixTrajectory.h:57
fastsim::BarrelSimplifiedGeometry
Implementation of a barrel detector layer (cylindrical).
Definition:
BarrelSimplifiedGeometry.h:22
fastsim::HelixTrajectory::centerY_
const double centerY_
Y-coordinate of the center of the helix.
Definition:
HelixTrajectory.h:61
fastsim::HelixTrajectory::crosses
bool crosses(const BarrelSimplifiedGeometry &layer) const override
Check if an intersection of the trajectory with a barrel layer exists.
Definition:
HelixTrajectory.cc:56
phase1PixelTopology::layer
constexpr std::array< uint8_t, layerIndexSize > layer
Definition:
phase1PixelTopology.h:110
fastsim::HelixTrajectory::getRadParticle
double getRadParticle(double phi) const
Return distance of particle from center of the detector if it was at given angle phi of the helix...
Definition:
HelixTrajectory.cc:209
fastsim::HelixTrajectory::maxR_
const double maxR_
The maximum distance of the helix from the center of the tracker.
Definition:
HelixTrajectory.h:64
fastsim::HelixTrajectory::phiSpeed_
const double phiSpeed_
The angular speed of the particle on the helix trajectory.
Definition:
HelixTrajectory.h:65
Trajectory.h
fastsim::Trajectory
Definition the generic trajectory of a particle (base class for helix/straight trajectories).
Definition:
Trajectory.h:26
fastsim::HelixTrajectory::centerX_
const double centerX_
X-coordinate of the center of the helix.
Definition:
HelixTrajectory.h:60
fastsim::HelixTrajectory::move
void move(double deltaTimeC) override
Move the particle along the helix trajectory for a given time.
Definition:
HelixTrajectory.cc:193
fastsim::HelixTrajectory::HelixTrajectory
HelixTrajectory(const Particle &particle, double magneticFieldZ)
Constructor.
Definition:
HelixTrajectory.cc:15
fastsim::HelixTrajectory::centerR_
const double centerR_
Distance of the center of the helix from the center of the tracker.
Definition:
HelixTrajectory.h:62
fastsim::HelixTrajectory
Mathematical representation of a helix.
Definition:
HelixTrajectory.h:18
fastsim::HelixTrajectory::nextCrossingTimeC
double nextCrossingTimeC(const BarrelSimplifiedGeometry &layer, bool onLayer=false) const override
Return delta time (t*c) of the next intersection of trajectory and barrel layer.
Definition:
HelixTrajectory.cc:60
fastsim::Particle
Definition of a generic FastSim Particle which can be propagated through the detector (formerly Parti...
Definition:
Particle.h:16
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