#include <DTT0WireInChamberReferenceCorrection.h>

Inheritance diagram for dtCalibration::DTT0WireInChamberReferenceCorrection:

Public Member Functions
virtual DTT0Data	correction (const DTWireId &)

	DTT0WireInChamberReferenceCorrection (const edm::ParameterSet &)

virtual void	setES (const edm::EventSetup &setup)

virtual	~DTT0WireInChamberReferenceCorrection ()

Public Member Functions inherited from dtCalibration::DTT0BaseCorrection
	DTT0BaseCorrection ()

virtual	~DTT0BaseCorrection ()

Private Member Functions
DTT0Data	defaultT0 (const DTWireId &)

Private Attributes
std::string	calibChamber_

DTChamberId	chosenChamberId_

edm::ESHandle< DTGeometry >	dtGeom_

const DTT0 *	t0Map_

Detailed Description

Definition at line 26 of file DTT0WireInChamberReferenceCorrection.h.

Constructor & Destructor Documentation

DTT0WireInChamberReferenceCorrection::DTT0WireInChamberReferenceCorrection ( const edm::ParameterSet & pset )

Definition at line 29 of file DTT0WireInChamberReferenceCorrection.cc.

References calibChamber_, chosenChamberId_, and DTChamberId.

                                                                                                   :
    calibChamber_( pset.getParameter<string>("calibChamber") ) {
 
    //DTChamberId chosenChamberId;
    if( calibChamber_ != "" && calibChamber_ != "None" && calibChamber_ != "All" ){
       stringstream linestr;
       int selWheel, selStation, selSector;
       linestr << calibChamber_;
       linestr >> selWheel >> selStation >> selSector;
       chosenChamberId_ = DTChamberId(selWheel, selStation, selSector);
       LogVerbatim("Calibration") << "[DTT0WireInChamberReferenceCorrection] Chosen chamber: " << chosenChamberId_ << endl;
    }
    //FIXME: Check if chosen chamber is valid.
 }

DTT0WireInChamberReferenceCorrection::~DTT0WireInChamberReferenceCorrection ( )

virtual

Definition at line 44 of file DTT0WireInChamberReferenceCorrection.cc.

44 {

45 }

Member Function Documentation

DTT0Data DTT0WireInChamberReferenceCorrection::correction ( const DTWireId & wireId )

virtual

Implements dtCalibration::DTT0BaseCorrection.

Definition at line 58 of file DTT0WireInChamberReferenceCorrection.cc.

References calibChamber_, DTSuperLayerId::chamberId(), chosenChamberId_, DTTimeUnits::counts, defaultT0(), dtGeom_, Exception, DTTopology::firstChannel(), DTT0::get(), DTWireId::layerId(), ntuplemaker::status, DTLayerId::superlayerId(), and t0Map_.

                                                                                 {
    // Compute for selected chamber (or All) correction using as reference chamber mean
 
    DTChamberId chamberId = wireId.layerId().superlayerId().chamberId();
 
    if( calibChamber_ == "" || calibChamber_ == "None" )          return defaultT0(wireId);
    if( calibChamber_ != "All" && chamberId != chosenChamberId_ ) return defaultT0(wireId);
 
    // Access DB
    float t0Mean,t0RMS;
    int status = t0Map_->get(wireId,t0Mean,t0RMS,DTTimeUnits::counts);
    if(status != 0) 
       throw cms::Exception("[DTT0WireInChamberReferenceCorrection]") << "Could not find t0 entry in DB for" 
                                                                      << wireId << endl;
 
    // Try to find t0 for reference wire in layer
    DTSuperLayerId slId = wireId.layerId().superlayerId();
    // Layers 1 and 2
    DTLayerId layerRef1( slId,1 );
    //DTLayerId layerRef2( slId,2 );
 
    const DTTopology& dtTopoLayerRef1 = dtGeom_->layer( layerRef1 )->specificTopology();
    const int firstWireLayerRef1 = dtTopoLayerRef1.firstChannel();
    const int refWireLayerRef1 = firstWireLayerRef1;
    DTWireId wireIdRefLayerRef1( layerRef1,refWireLayerRef1 );
 
    float t0MeanRef1,t0RMSRef1;
    int statusRef1 = t0Map_->get(wireIdRefLayerRef1,t0MeanRef1,t0RMSRef1,DTTimeUnits::counts);
 
    // Correct channels in a superlayer wrt t0 from first wire in first layer
    if(!statusRef1){
       float t0MeanNew = t0Mean - t0MeanRef1;
       float t0RMSNew = t0RMS;
       return DTT0Data(t0MeanNew,t0RMSNew);
    } else{
       // If reference wire not active could choose adjacent wire instead
       //...
       throw cms::Exception("[DTT0WireInChamberReferenceCorrection]") << "Could not find t0 entry in DB for" 
                                                                      << wireIdRefLayerRef1 << endl;
    }
 }

DTT0Data DTT0WireInChamberReferenceCorrection::defaultT0 ( const DTWireId & wireId )

private

Definition at line 100 of file DTT0WireInChamberReferenceCorrection.cc.

References DTTimeUnits::counts, Exception, DTT0::get(), ntuplemaker::status, and t0Map_.

Referenced by correction().

                                                                                {
    // Access default DB
    float t0Mean,t0RMS;
    int status = t0Map_->get(wireId,t0Mean,t0RMS,DTTimeUnits::counts);
    if(!status){
       return DTT0Data(t0Mean,t0RMS);
    } else{
       //... 
       throw cms::Exception("[DTT0WireInChamberReferenceCorrection]") << "Could not find t0 entry in DB for"
      << wireId << endl;
    }
 }

void DTT0WireInChamberReferenceCorrection::setES ( const edm::EventSetup & setup )

virtual

Implements dtCalibration::DTT0BaseCorrection.

Definition at line 47 of file DTT0WireInChamberReferenceCorrection.cc.

References dtGeom_, edm::EventSetup::get(), and t0Map_.

                                                                         {
    // Get t0 record from DB
    ESHandle<DTT0> t0H;
    setup.get<DTT0Rcd>().get(t0H);
    t0Map_ = &*t0H;
    LogVerbatim("Calibration") << "[DTT0WireInChamberReferenceCorrection] T0 version: " << t0H->version();
 
    // Get geometry from Event Setup
    setup.get<MuonGeometryRecord>().get(dtGeom_);
 }