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Do not apply DT vdrift correction (that accounts for field in phi SLs… #9319

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merged 1 commit into from May 29, 2015
Merged

Do not apply DT vdrift correction (that accounts for field in phi SLs… #9319

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12 changes: 11 additions & 1 deletion RecoLocalMuon/DTRecHit/plugins/DTLinearDriftFromDBAlgo.cc
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Expand Up @@ -17,12 +17,17 @@
#include "CondFormats/DTObjects/interface/DTRecoUncertainties.h"
#include "CondFormats/DataRecord/interface/DTRecoUncertaintiesRcd.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "MagneticField/Engine/interface/MagneticField.h"
#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h"

using namespace std;
using namespace edm;

DTLinearDriftFromDBAlgo::DTLinearDriftFromDBAlgo(const ParameterSet& config) :
DTRecHitBaseAlgo(config),
mTimeMap(0),
field(0),
nominalB(-1),
minTime(config.getParameter<double>("minTime")),
maxTime(config.getParameter<double>("maxTime")),
doVdriftCorr(config.getParameter<bool>("doVdriftCorr")),
Expand Down Expand Up @@ -57,6 +62,11 @@ void DTLinearDriftFromDBAlgo::setES(const EventSetup& setup) {
setup.get<DTMtimeRcd>().get(mTimeHandle);
mTimeMap = &*mTimeHandle;

ESHandle<MagneticField> magfield;
setup.get<IdealMagneticFieldRecord>().get(magfield);
field = &*magfield;
nominalB = field->nominalValue();

if (useUncertDB) {
ESHandle<DTRecoUncertainties> uncerts;
setup.get<DTRecoUncertaintiesRcd>().get(uncerts);
Expand Down Expand Up @@ -172,7 +182,7 @@ bool DTLinearDriftFromDBAlgo::compute(const DTLayer* layer,
}

//only in step 3
if(doVdriftCorr && step == 3){
if(doVdriftCorr && step == 3 && nominalB !=0){
if (abs(wireId.wheel()) == 2 &&
wireId.station() == 1 &&
wireId.superLayer() != 2) {
Expand Down
5 changes: 5 additions & 0 deletions RecoLocalMuon/DTRecHit/plugins/DTLinearDriftFromDBAlgo.h
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Expand Up @@ -13,6 +13,7 @@

class DTMtime;
class DTRecoUncertainties;
class MagneticField;

class DTLinearDriftFromDBAlgo : public DTRecHitBaseAlgo {
public:
Expand Down Expand Up @@ -83,6 +84,10 @@ class DTLinearDriftFromDBAlgo : public DTRecHitBaseAlgo {
//Map of meantimes
const DTMtime *mTimeMap;

// MF field
const MagneticField* field;
int nominalB;

// Map of hit uncertainties
const DTRecoUncertainties *uncertMap;

Expand Down