Main Page
Namespaces
Classes
Package Documentation
CVS Directory
WorkBook
Offline Guide
Release schedule
•
All
Classes
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Properties
Friends
Macros
Pages
src
RecoTracker
TkDetLayers
interface
LayerCrossingSide.h
Go to the documentation of this file.
1
#ifndef TkDetLayers_LayerCrossingSide_h
2
#define TkDetLayers_LayerCrossingSide_h
3
4
// temporary solution
5
#include "
TrackingTools/GeomPropagators/interface/Propagator.h
"
6
14
class
LayerCrossingSide
{
15
public
:
16
18
int
barrelSide
(
const
TrajectoryStateOnSurface
& startingState,
const
Propagator
& prop)
const
{
19
GlobalPoint
pos
= startingState.
globalPosition
();
20
GlobalVector
radial(pos.
x
(), pos.
y
(), 0);
21
if
(startingState.
globalMomentum
().
dot
( radial) > 0) {
// momentum points outwards
22
return
(prop.
propagationDirection
() ==
alongMomentum
? 0 : 1);
23
}
24
else
{
// momentum points inwards
25
return
(prop.
propagationDirection
() ==
oppositeToMomentum
? 0 : 1);
26
}
27
}
28
32
int
endcapSide
(
const
TrajectoryStateOnSurface
& startingState,
const
Propagator
& prop)
const
{
33
float
zpos = startingState.
globalPosition
().
z
();
34
if
(startingState.
globalMomentum
().
z
() * zpos > 0) {
// momentum points outwards
35
return
(prop.
propagationDirection
() ==
alongMomentum
? 0 : 1);
36
}
37
else
{
// momentum points inwards
38
return
(prop.
propagationDirection
() ==
oppositeToMomentum
? 0 : 1);
39
}
40
}
41
42
};
43
44
#endif
Propagator::propagationDirection
virtual PropagationDirection propagationDirection() const
Definition:
Propagator.h:143
pos
Definition:
Histograms.cc:19
Vector3DBase
Definition:
Vector3DBase.h:9
LayerCrossingSide
Definition:
LayerCrossingSide.h:14
alongMomentum
Definition:
PropagationDirection.h:4
PV3DBase::y
T y() const
Definition:
PV3DBase.h:57
TrajectoryStateOnSurface::globalPosition
GlobalPoint globalPosition() const
Definition:
TrajectoryStateOnSurface.h:128
Vector3DBase::dot
PreciseFloatType< T, U >::Type dot(const Vector3DBase< U, FrameTag > &v) const
Definition:
Vector3DBase.h:107
TrajectoryStateOnSurface
Definition:
TrajectoryStateOnSurface.h:15
LayerCrossingSide::endcapSide
int endcapSide(const TrajectoryStateOnSurface &startingState, const Propagator &prop) const
Definition:
LayerCrossingSide.h:32
PV3DBase::z
T z() const
Definition:
PV3DBase.h:58
Propagator
Definition:
Propagator.h:38
Propagator.h
LayerCrossingSide::barrelSide
int barrelSide(const TrajectoryStateOnSurface &startingState, const Propagator &prop) const
returns 0 if barrel layer crossed from inside, 1 if from outside
Definition:
LayerCrossingSide.h:18
Point3DBase< float, GlobalTag >
TrajectoryStateOnSurface::globalMomentum
GlobalVector globalMomentum() const
Definition:
TrajectoryStateOnSurface.h:131
PV3DBase::x
T x() const
Definition:
PV3DBase.h:56
oppositeToMomentum
Definition:
PropagationDirection.h:4
Generated for CMSSW Reference Manual by
1.8.5