| 1 |
#include "TrackingTools/PatternTools/interface/TempTrajectory.h"
|
| 2 |
#include "Geometry/CommonDetUnit/interface/GeomDetUnit.h"
|
| 3 |
#include "FWCore/Utilities/interface/Exception.h"
|
| 4 |
|
| 5 |
#include <ext/slist>
|
| 6 |
|
| 7 |
TempTrajectory::TempTrajectory( const Trajectory& traj):
|
| 8 |
theSeed( traj.sharedSeed() ),
|
| 9 |
theChiSquared(0),
|
| 10 |
theNumberOfFoundHits(0), theNumberOfLostHits(0),
|
| 11 |
theDirection(traj.direction()), theDirectionValidity(true),
|
| 12 |
theValid(traj.isValid()) {
|
| 13 |
|
| 14 |
Trajectory::DataContainer::const_iterator begin=traj.measurements().begin();
|
| 15 |
Trajectory::DataContainer::const_iterator end=traj.measurements().end();
|
| 16 |
|
| 17 |
for(Trajectory::DataContainer::const_iterator it=begin; it!=end; ++it){
|
| 18 |
push(*it);
|
| 19 |
}
|
| 20 |
|
| 21 |
}
|
| 22 |
|
| 23 |
TempTrajectory::~TempTrajectory() {}
|
| 24 |
|
| 25 |
void TempTrajectory::pop() {
|
| 26 |
if (!empty()) {
|
| 27 |
if (theData.back().recHit()->isValid()) theNumberOfFoundHits--;
|
| 28 |
else if(lost(* (theData.back().recHit()) )) theNumberOfLostHits--;
|
| 29 |
theData.pop_back();
|
| 30 |
}
|
| 31 |
}
|
| 32 |
|
| 33 |
void TempTrajectory::push( const TrajectoryMeasurement& tm) {
|
| 34 |
push( tm, tm.estimate());
|
| 35 |
}
|
| 36 |
|
| 37 |
#if defined( __GXX_EXPERIMENTAL_CXX0X__)
|
| 38 |
void TempTrajectory::push( TrajectoryMeasurement&& tm) {
|
| 39 |
push( std::forward<TrajectoryMeasurement>(tm), tm.estimate());
|
| 40 |
}
|
| 41 |
#endif
|
| 42 |
|
| 43 |
void TempTrajectory::push( const TrajectoryMeasurement& tm, double chi2Increment){
|
| 44 |
pushAux(tm,chi2Increment);
|
| 45 |
theData.push_back(tm);
|
| 46 |
}
|
| 47 |
|
| 48 |
#if defined( __GXX_EXPERIMENTAL_CXX0X__)
|
| 49 |
void TempTrajectory::push(TrajectoryMeasurement&& tm, double chi2Increment){
|
| 50 |
pushAux(tm,chi2Increment);
|
| 51 |
theData.push_back(std::move(tm));
|
| 52 |
}
|
| 53 |
#endif
|
| 54 |
|
| 55 |
void TempTrajectory::pushAux( const TrajectoryMeasurement& tm, double chi2Increment)
|
| 56 |
{
|
| 57 |
if ( tm.recHit()->isValid()) {
|
| 58 |
theNumberOfFoundHits++;
|
| 59 |
}
|
| 60 |
//else if (lost( tm.recHit()) && !inactive(tm.recHit().det())) theNumberOfLostHits++;
|
| 61 |
else if (lost( *(tm.recHit()) ) ) theNumberOfLostHits++;
|
| 62 |
|
| 63 |
|
| 64 |
theChiSquared += chi2Increment;
|
| 65 |
|
| 66 |
// in case of a Trajectory constructed without direction,
|
| 67 |
// determine direction from the radii of the first two measurements
|
| 68 |
|
| 69 |
if ( !theDirectionValidity && theData.size() >= 2) {
|
| 70 |
if (theData.front().updatedState().globalPosition().perp() <
|
| 71 |
theData.back().updatedState().globalPosition().perp())
|
| 72 |
theDirection = alongMomentum;
|
| 73 |
else theDirection = oppositeToMomentum;
|
| 74 |
theDirectionValidity = true;
|
| 75 |
}
|
| 76 |
}
|
| 77 |
|
| 78 |
void TempTrajectory::push( const TempTrajectory& segment) {
|
| 79 |
assert (segment.direction() == theDirection) ;
|
| 80 |
__gnu_cxx::slist<const TrajectoryMeasurement*> list;
|
| 81 |
for (DataContainer::const_iterator it = segment.measurements().rbegin(), ed = segment.measurements().rend(); it != ed; --it) {
|
| 82 |
list.push_front(&(*it));
|
| 83 |
}
|
| 84 |
for(__gnu_cxx::slist<const TrajectoryMeasurement*>::const_iterator it = list.begin(), ed = list.end(); it != ed; ++it) {
|
| 85 |
push(**it);
|
| 86 |
}
|
| 87 |
}
|
| 88 |
|
| 89 |
void TempTrajectory::join( TempTrajectory& segment) {
|
| 90 |
assert (segment.direction() == theDirection) ;
|
| 91 |
if (segment.theData.shared()) {
|
| 92 |
push(segment);
|
| 93 |
segment.theData.clear(); // obey the contract, and increase the chances it will be not shared one day
|
| 94 |
} else {
|
| 95 |
for (DataContainer::const_iterator it = segment.measurements().rbegin(), ed = segment.measurements().rend(); it != ed; --it) {
|
| 96 |
if ( it->recHit()->isValid()) theNumberOfFoundHits++;
|
| 97 |
else if (lost( *(it->recHit()) ) ) theNumberOfLostHits++;
|
| 98 |
theChiSquared += it->estimate();
|
| 99 |
}
|
| 100 |
theData.join(segment.theData);
|
| 101 |
|
| 102 |
if ( !theDirectionValidity && theData.size() >= 2) {
|
| 103 |
if (theData.front().updatedState().globalPosition().perp() <
|
| 104 |
theData.back().updatedState().globalPosition().perp())
|
| 105 |
theDirection = alongMomentum;
|
| 106 |
else theDirection = oppositeToMomentum;
|
| 107 |
theDirectionValidity = true;
|
| 108 |
}
|
| 109 |
}
|
| 110 |
}
|
| 111 |
|
| 112 |
|
| 113 |
/*
|
| 114 |
Trajectory::RecHitContainer Trajectory::recHits() const {
|
| 115 |
RecHitContainer hits;
|
| 116 |
hits.reserve(theData.size());
|
| 117 |
|
| 118 |
for (Trajectory::DataContainer::const_iterator itm
|
| 119 |
= theData.begin(); itm != theData.end(); itm++) {
|
| 120 |
hits.push_back((*itm).recHit());
|
| 121 |
}
|
| 122 |
return hits;
|
| 123 |
}
|
| 124 |
|
| 125 |
*/
|
| 126 |
|
| 127 |
PropagationDirection TempTrajectory::direction() const {
|
| 128 |
if (theDirectionValidity) return theDirection;
|
| 129 |
else throw cms::Exception("TrackingTools/PatternTools","Trajectory::direction() requested but not set");
|
| 130 |
}
|
| 131 |
|
| 132 |
void TempTrajectory::check() const {
|
| 133 |
if ( theData.size() == 0)
|
| 134 |
throw cms::Exception("TrackingTools/PatternTools","Trajectory::check() - information requested from empty Trajectory");
|
| 135 |
}
|
| 136 |
|
| 137 |
bool TempTrajectory::lost( const TransientTrackingRecHit& hit)
|
| 138 |
{
|
| 139 |
if ( hit.isValid()) return false;
|
| 140 |
else {
|
| 141 |
// // A DetLayer is always inactive in this logic.
|
| 142 |
// // The DetLayer is the Det of an invalid RecHit only if no DetUnit
|
| 143 |
// // is compatible with the predicted state, so we don't really expect
|
| 144 |
// // a hit in this case.
|
| 145 |
|
| 146 |
if(hit.geographicalId().rawId() == 0) {return false;}
|
| 147 |
else{
|
| 148 |
return hit.getType() == TrackingRecHit::missing;
|
| 149 |
}
|
| 150 |
}
|
| 151 |
}
|
| 152 |
|
| 153 |
Trajectory TempTrajectory::toTrajectory() const {
|
| 154 |
Trajectory traj(theSeed, theDirection);
|
| 155 |
|
| 156 |
traj.reserve(theData.size());
|
| 157 |
static std::vector<const TrajectoryMeasurement*> work;
|
| 158 |
work.resize(theData.size(), 0);
|
| 159 |
std::vector<const TrajectoryMeasurement*>::iterator workend = work.end(), itwork = workend;
|
| 160 |
for (TempTrajectory::DataContainer::const_iterator it = theData.rbegin(), ed = theData.rend(); it != ed; --it) {
|
| 161 |
--itwork; *itwork = (&(*it));
|
| 162 |
}
|
| 163 |
for (; itwork != workend; ++itwork) {
|
| 164 |
traj.push(**itwork);
|
| 165 |
}
|
| 166 |
return traj;
|
| 167 |
}
|
| 168 |
|
