/** \class THcHodoscope
\ingroup Detectors
\brief Generic hodoscope consisting of multiple
planes with multiple paddles with phototubes on both ends.
This differs from Hall A scintillator class in that it is the whole
hodoscope array, not just one plane.
*/
#include "THcSignalHit.h"
#include "THcShower.h"
#include "THcCherenkov.h"
#include "THcHallCSpectrometer.h"
#include "THcHitList.h"
#include "THcRawShowerHit.h"
#include "TClass.h"
#include "math.h"
#include "THaSubDetector.h"
#include "THcHodoscope.h"
#include "THaEvData.h"
#include "THaDetMap.h"
#include "THcDetectorMap.h"
#include "THaGlobals.h"
#include "THaCutList.h"
#include "THcGlobals.h"
#include "THcParmList.h"
#include "VarDef.h"
#include "VarType.h"
#include "THaTrack.h"
#include "TClonesArray.h"
#include "TMath.h"
#include "THaTrackProj.h"
#include <vector>
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <fstream>
using namespace std;
using std::vector;
//_____________________________________________________________________________
THcHodoscope::THcHodoscope( const char* name, const char* description,
THaApparatus* apparatus ) :
THaNonTrackingDetector(name,description,apparatus)
{
// Constructor
//fTrackProj = new TClonesArray( "THaTrackProj", 5 );
// Construct the planes
fNPlanes = 0; // No planes until we make them
fStartTime=-1e5;
fGoodStartTime=kFALSE;
}
//_____________________________________________________________________________
THcHodoscope::THcHodoscope( ) :
THaNonTrackingDetector()
{
// Constructor
}
//_____________________________________________________________________________
void THcHodoscope::Setup(const char* name, const char* description)
{
// static const char* const here = "Setup()";
// static const char* const message =
// "Must construct %s detector with valid name! Object construction failed.";
// cout << "In THcHodoscope::Setup()" << endl;
// Base class constructor failed?
if( IsZombie()) return;
// fDebug = 1; // Keep this at one while we're working on the code
char prefix[2];
prefix[0]=tolower(GetApparatus()->GetName()[0]);
prefix[1]='\0';
TString temp(prefix[0]);
fSHMS=kFALSE;
if (temp == "p" ) fSHMS=kTRUE;
// cout << " fSHMS = " << fSHMS << endl;
string planenamelist;
DBRequest listextra[]={
{"hodo_num_planes", &fNPlanes, kInt},
{"hodo_plane_names",&planenamelist, kString},
{0}
};
//fNPlanes = 4; // Default if not defined
gHcParms->LoadParmValues((DBRequest*)&listextra,prefix);
cout << "Plane Name List : " << planenamelist << endl;
vector<string> plane_names = vsplit(planenamelist);
// Plane names
if(plane_names.size() != (UInt_t) fNPlanes) {
cout << "ERROR: Number of planes " << fNPlanes << " doesn't agree with number of plane names " << plane_names.size() << endl;
// Should quit. Is there an official way to quit?
}
fPlaneNames = new char* [fNPlanes];
for(Int_t i=0;i<fNPlanes;i++) {
fPlaneNames[i] = new char[plane_names[i].length()+1];
strcpy(fPlaneNames[i], plane_names[i].c_str());
}
// Probably shouldn't assume that description is defined
char* desc = new char[strlen(description)+100];
fPlanes = new THcScintillatorPlane* [fNPlanes];
for(Int_t i=0;i < fNPlanes;i++) {
strcpy(desc, description);
strcat(desc, " Plane ");
strcat(desc, fPlaneNames[i]);
fPlanes[i] = new THcScintillatorPlane(fPlaneNames[i], desc, i+1, this); // Number planes starting from zero!!
cout << "Created Scintillator Plane " << fPlaneNames[i] << ", " << desc << endl;
}
// Save the nominal particle mass
THcHallCSpectrometer *app = dynamic_cast<THcHallCSpectrometer*>(GetApparatus());
fPartMass = app->GetParticleMass();
fBetaNominal = app->GetBetaAtPcentral();
if (fSHMS) {
fCherenkov = dynamic_cast<THcCherenkov*>(app->GetDetector("hgcer"));
} else {
fCherenkov = dynamic_cast<THcCherenkov*>(app->GetDetector("cer"));
}
delete [] desc;
}
//_____________________________________________________________________________
THaAnalysisObject::EStatus THcHodoscope::Init( const TDatime& date )
{
// cout << "In THcHodoscope::Init()" << endl;
Setup(GetName(), GetTitle());
char EngineDID[] = "xSCIN";
EngineDID[0] = toupper(GetApparatus()->GetName()[0]);
if( gHcDetectorMap->FillMap(fDetMap, EngineDID) < 0 ) {
static const char* const here = "Init()";
Error( Here(here), "Error filling detectormap for %s.", EngineDID );
return kInitError;
}
// Should probably put this in ReadDatabase as we will know the
// maximum number of hits after setting up the detector map
// But it needs to happen before the sub detectors are initialized
// so that they can get the pointer to the hitlist.
InitHitList(fDetMap, "THcRawHodoHit", fDetMap->GetTotNumChan()+1);
EStatus status;
// This triggers call of ReadDatabase and DefineVariables
if( (status = THaNonTrackingDetector::Init( date )) )
return fStatus=status;
for(Int_t ip=0;ip<fNPlanes;ip++) {
if((status = fPlanes[ip]->Init( date ))) {
return fStatus=status;
}
}
// Replace with what we need for Hall C
// const DataDest tmp[NDEST] = {
// { &fRTNhit, &fRANhit, fRT, fRT_c, fRA, fRA_p, fRA_c, fROff, fRPed, fRGain },
// { &fLTNhit, &fLANhit, fLT, fLT_c, fLA, fLA_p, fLA_c, fLOff, fLPed, fLGain }
// };
// memcpy( fDataDest, tmp, NDEST*sizeof(DataDest) );
fNScinHits = new Int_t [fNPlanes];
fGoodPlaneTime = new Bool_t [fNPlanes];
fNPlaneTime = new Int_t [fNPlanes];
fSumPlaneTime = new Double_t [fNPlanes];
// Double_t fHitCnt4 = 0., fHitCnt3 = 0.;
// Int_t m = 0;
// fScinHit = new Double_t*[fNPlanes];
// for ( m = 0; m < fNPlanes; m++ ){
// fScinHit[m] = new Double_t[fNPaddle[0]];
// }
for (int ip=0; ip<fNPlanes; ++ip) {
fScinHitPaddle.push_back(std::vector<Int_t>(fNPaddle[ip], 0));
}
fPresentP = 0;
THaVar* vpresent = gHaVars->Find(Form("%s.present",GetApparatus()->GetName()));
if(vpresent) {
fPresentP = (Bool_t *) vpresent->GetValuePointer();
}
return fStatus = kOK;
}
//_____________________________________________________________________________
Int_t THcHodoscope::ReadDatabase( const TDatime& date )
{
// Read this detector's parameters from the database file 'fi'.
// This function is called by THaDetectorBase::Init() once at the
// beginning of the analysis.
// 'date' contains the date/time of the run being analyzed.
// static const char* const here = "ReadDatabase()";
char prefix[2];
char parname[100];
// Read data from database
// Pull values from the THcParmList instead of reading a database
// file like Hall A does.
// Will need to determine which spectrometer in order to construct
// the parameter names (e.g. hscin_1x_nr vs. sscin_1x_nr)
prefix[0]=tolower(GetApparatus()->GetName()[0]);
//
prefix[1]='\0';
strcpy(parname,prefix);
strcat(parname,"scin_");
// Int_t plen=strlen(parname);
// cout << " readdatabse hodo fnplanes = " << fNPlanes << endl;
fBetaNoTrk = 0.;
fBetaNoTrkChiSq = 0.;
fNPaddle = new UInt_t [fNPlanes];
fFPTime = new Double_t [fNPlanes];
fPlaneCenter = new Double_t[fNPlanes];
fPlaneSpacing = new Double_t[fNPlanes];
prefix[0]=tolower(GetApparatus()->GetName()[0]);
//
prefix[1]='\0';
for(Int_t i=0;i<fNPlanes;i++) {
DBRequest list[]={
{Form("scin_%s_nr",fPlaneNames[i]), &fNPaddle[i], kInt},
{0}
};
gHcParms->LoadParmValues((DBRequest*)&list,prefix);
}
// GN added
// reading variables from *hodo.param
fMaxScinPerPlane=fNPaddle[0];
for (Int_t i=1;i<fNPlanes;i++) {
fMaxScinPerPlane=(fMaxScinPerPlane > fNPaddle[i])? fMaxScinPerPlane : fNPaddle[i];
}
// need this for "padded arrays" i.e. 4x16 lists of parameters (GN)
fMaxHodoScin=fMaxScinPerPlane*fNPlanes;
if (fDebug>=1) cout <<"fMaxScinPerPlane = "<<fMaxScinPerPlane<<" fMaxHodoScin = "<<fMaxHodoScin<<endl;
fHodoVelLight=new Double_t [fMaxHodoScin];
fHodoPosSigma=new Double_t [fMaxHodoScin];
fHodoNegSigma=new Double_t [fMaxHodoScin];
fHodoPosMinPh=new Double_t [fMaxHodoScin];
fHodoNegMinPh=new Double_t [fMaxHodoScin];
fHodoPosPhcCoeff=new Double_t [fMaxHodoScin];
fHodoNegPhcCoeff=new Double_t [fMaxHodoScin];
fHodoPosTimeOffset=new Double_t [fMaxHodoScin];
fHodoNegTimeOffset=new Double_t [fMaxHodoScin];
fHodoPosPedLimit=new Int_t [fMaxHodoScin];
fHodoNegPedLimit=new Int_t [fMaxHodoScin];
fHodoPosInvAdcOffset=new Double_t [fMaxHodoScin];
fHodoNegInvAdcOffset=new Double_t [fMaxHodoScin];
fHodoPosInvAdcLinear=new Double_t [fMaxHodoScin];
fHodoNegInvAdcLinear=new Double_t [fMaxHodoScin];
fHodoPosInvAdcAdc=new Double_t [fMaxHodoScin];
fHodoNegInvAdcAdc=new Double_t [fMaxHodoScin];
fNHodoscopes = 2;
fxLoScin = new Int_t [fNHodoscopes];
fxHiScin = new Int_t [fNHodoscopes];
fyLoScin = new Int_t [fNHodoscopes];
fyHiScin = new Int_t [fNHodoscopes];
fHodoSlop = new Double_t [fNPlanes];
fTdcOffset = new Int_t [fNPlanes];
fAdcTdcOffset = new Double_t [fNPlanes];
fAdcTimeWindowMin = new Double_t [fNPlanes];
fAdcTimeWindowMax = new Double_t [fNPlanes];
for(Int_t ip=0;ip<fNPlanes;ip++) { // Set a large default window
fTdcOffset[ip] = 0 ;
fAdcTdcOffset[ip] = 0.0 ;
}
DBRequest list[]={
{"cosmicflag", &fCosmicFlag, kInt, 0, 1},
{"NumPlanesBetaCalc", &fNumPlanesBetaCalc, kInt, 0, 1},
{"start_time_center", &fStartTimeCenter, kDouble},
{"start_time_slop", &fStartTimeSlop, kDouble},
{"scin_tdc_to_time", &fScinTdcToTime, kDouble},
{"scin_tdc_min", &fScinTdcMin, kDouble},
{"scin_tdc_max", &fScinTdcMax, kDouble},
{"tof_tolerance", &fTofTolerance, kDouble, 0, 1},
{"pathlength_central", &fPathLengthCentral, kDouble},
{"hodo_pos_sigma", &fHodoPosSigma[0], kDouble, fMaxHodoScin},
{"hodo_neg_sigma", &fHodoNegSigma[0], kDouble, fMaxHodoScin},
{"hodo_pos_ped_limit", &fHodoPosPedLimit[0], kInt, fMaxHodoScin},
{"hodo_neg_ped_limit", &fHodoNegPedLimit[0], kInt, fMaxHodoScin},
{"tofusinginvadc", &fTofUsingInvAdc, kInt, 0, 1},
{"xloscin", &fxLoScin[0], kInt, (UInt_t) fNHodoscopes},
{"xhiscin", &fxHiScin[0], kInt, (UInt_t) fNHodoscopes},
{"yloscin", &fyLoScin[0], kInt, (UInt_t) fNHodoscopes},
{"yhiscin", &fyHiScin[0], kInt, (UInt_t) fNHodoscopes},
{"track_eff_test_num_scin_planes", &fTrackEffTestNScinPlanes, kInt},
{"cer_npe", &fNCerNPE, kDouble, 0, 1},
{"normalized_energy_tot", &fNormETot, kDouble, 0, 1},
{"hodo_slop", fHodoSlop, kDouble, (UInt_t) fNPlanes},
{"debugprintscinraw", &fdebugprintscinraw, kInt, 0,1},
{"hodo_tdc_offset", fTdcOffset, kInt, (UInt_t) fNPlanes, 1},
{"hodo_adc_tdc_offset", fAdcTdcOffset, kDouble, (UInt_t) fNPlanes, 1},
{"hodo_AdcTimeWindowMin", fAdcTimeWindowMin, kDouble, (UInt_t) fNPlanes},
{"hodo_AdcTimeWindowMax", fAdcTimeWindowMax, kDouble, (UInt_t) fNPlanes},
{"dumptof", &fDumpTOF, kInt, 0, 1},
{"TOFCalib_shtrk_lo", &fTOFCalib_shtrk_lo, kDouble, 0, 1},
{"TOFCalib_shtrk_hi", &fTOFCalib_shtrk_hi, kDouble, 0, 1},
{"TOFCalib_cer_lo", &fTOFCalib_cer_lo, kDouble, 0, 1},
{"TOFCalib_beta_lo", &fTOFCalib_beta_lo, kDouble, 0, 1},
{"TOFCalib_beta_hi", &fTOFCalib_beta_hi, kDouble, 0, 1},
{"dumptof_filename", &fTOFDumpFile, kString, 0, 1},
{0}
};
// Defaults if not defined in parameter file
for(Int_t ip=0;ip<fNPlanes;ip++) {
fAdcTimeWindowMin[ip] = 0.;
fAdcTimeWindowMax[ip] = 1000.;
}
fTOFCalib_shtrk_lo=-kBig;
fTOFCalib_shtrk_hi= kBig;
fTOFCalib_cer_lo=-kBig;
fTOFCalib_beta_lo=-kBig;
fTOFCalib_beta_hi= kBig;
fdebugprintscinraw=0;
fDumpTOF = 0;
fTOFDumpFile="";
fTofUsingInvAdc = 1;
fTofTolerance = 3.0;
fNCerNPE = 2.0;
fNormETot = 0.7;
fCosmicFlag=0;
fNumPlanesBetaCalc=4;
// Gets added to each reference time corrected raw TDC value
// to make sure valid range is all positive.
gHcParms->LoadParmValues((DBRequest*)&list,prefix);
if (fCosmicFlag==1) cout << "Setup for cosmics in TOF"<< endl;
// cout << " cosmic flag = " << fCosmicFlag << endl;
if(fDumpTOF) {
fDumpOut.open(fTOFDumpFile.c_str());
if(fDumpOut.is_open()) {
//fDumpOut << "Hodoscope Time of Flight calibration data" << endl;
} else {
fDumpTOF = 0;
cout << "WARNING: Unable to open TOF Dump file " << fTOFDumpFile << endl;
cout << "Data for TOF calibration not being written." << endl;
}
}
// cout << " x1 lo = " << fxLoScin[0]
// << " x2 lo = " << fxLoScin[1]
// << " x1 hi = " << fxHiScin[0]
// << " x2 hi = " << fxHiScin[1]
// << endl;
// cout << " y1 lo = " << fyLoScin[0]
// << " y2 lo = " << fyLoScin[1]
// << " y1 hi = " << fyHiScin[0]
// << " y2 hi = " << fyHiScin[1]
// << endl;
// cout << "Hdososcope planes hits for trigger = " << fTrackEffTestNScinPlanes
// << " normalized energy min = " << fNormETot
// << " number of photo electrons = " << fNCerNPE
// << endl;
if (fTofUsingInvAdc) {
DBRequest list2[]={
{"hodo_vel_light", &fHodoVelLight[0], kDouble, fMaxHodoScin},
{"hodo_pos_invadc_offset",&fHodoPosInvAdcOffset[0],kDouble,fMaxHodoScin},
{"hodo_neg_invadc_offset",&fHodoNegInvAdcOffset[0],kDouble,fMaxHodoScin},
{"hodo_pos_invadc_linear",&fHodoPosInvAdcLinear[0],kDouble,fMaxHodoScin},
{"hodo_neg_invadc_linear",&fHodoNegInvAdcLinear[0],kDouble,fMaxHodoScin},
{"hodo_pos_invadc_adc",&fHodoPosInvAdcAdc[0],kDouble,fMaxHodoScin},
{"hodo_neg_invadc_adc",&fHodoNegInvAdcAdc[0],kDouble,fMaxHodoScin},
{0}
};
gHcParms->LoadParmValues((DBRequest*)&list2,prefix);
};
if (!fTofUsingInvAdc) {
DBRequest list3[]={
{"hodo_vel_light", &fHodoVelLight[0], kDouble, fMaxHodoScin},
{"hodo_pos_minph", &fHodoPosMinPh[0], kDouble, fMaxHodoScin},
{"hodo_neg_minph", &fHodoNegMinPh[0], kDouble, fMaxHodoScin},
{"hodo_pos_phc_coeff", &fHodoPosPhcCoeff[0], kDouble, fMaxHodoScin},
{"hodo_neg_phc_coeff", &fHodoNegPhcCoeff[0], kDouble, fMaxHodoScin},
{"hodo_pos_time_offset", &fHodoPosTimeOffset[0], kDouble, fMaxHodoScin},
{"hodo_neg_time_offset", &fHodoNegTimeOffset[0], kDouble, fMaxHodoScin},
{0}
};
gHcParms->LoadParmValues((DBRequest*)&list3,prefix);
};
if (fDebug >=1) {
cout <<"******* Testing Hodoscope Parameter Reading ***\n";
cout<<"StarTimeCenter = "<<fStartTimeCenter<<endl;
cout<<"StartTimeSlop = "<<fStartTimeSlop<<endl;
cout <<"ScintTdcToTime = "<<fScinTdcToTime<<endl;
cout <<"TdcMin = "<<fScinTdcMin<<" TdcMax = "<<fScinTdcMax<<endl;
cout <<"TofTolerance = "<<fTofTolerance<<endl;
cout <<"*** VelLight ***\n";
for (Int_t i1=0;i1<fNPlanes;i1++) {
cout<<"Plane "<<i1<<endl;
for (UInt_t i2=0;i2<fMaxScinPerPlane;i2++) {
cout<<fHodoVelLight[GetScinIndex(i1,i2)]<<" ";
}
cout <<endl;
}
cout <<endl<<endl;
// check fHodoPosPhcCoeff
/*
cout <<"fHodoPosPhcCoeff = ";
for (int i1=0;i1<fMaxHodoScin;i1++) {
cout<<this->GetHodoPosPhcCoeff(i1)<<" ";
}
cout<<endl;
*/
}
//
if ((fTofTolerance > 0.5) && (fTofTolerance < 10000.)) {
cout << "USING "<<fTofTolerance<<" NSEC WINDOW FOR FP NO_TRACK CALCULATIONS.\n";
}
else {
fTofTolerance= 3.0;
cout << "*** USING DEFAULT 3 NSEC WINDOW FOR FP NO_TRACK CALCULATIONS!! ***\n";
}
fIsInit = true;
return kOK;
}
//_____________________________________________________________________________
Int_t THcHodoscope::DefineVariables( EMode mode )
{
// Initialize global variables and lookup table for decoder
// cout << "THcHodoscope::DefineVariables called " << GetName() << endl;
if( mode == kDefine && fIsSetup ) return kOK;
fIsSetup = ( mode == kDefine );
// Register variables in global list
RVarDef vars[] = {
// Move these into THcHallCSpectrometer using track fTracks
{"beta", "Beta including track info", "fBeta"},
{"betanotrack", "Beta from scintillator hits", "fBetaNoTrk"},
{"betachisqnotrack", "Chi square of beta from scintillator hits", "fBetaNoTrkChiSq"},
{"fpHitsTime", "Time at focal plane from all hits", "fFPTimeAll"},
{"starttime", "Hodoscope Start Time", "fStartTime"},
{"goodstarttime", "Hodoscope Good Start Time (logical flag)", "fGoodStartTime"},
{"goodscinhit", "Hit in fid area", "fGoodScinHits"},
{ 0 }
};
return DefineVarsFromList( vars, mode );
// return kOK;
}
//_____________________________________________________________________________
THcHodoscope::~THcHodoscope()
{
// Destructor. Remove variables from global list.
delete [] fFPTime;
delete [] fPlaneCenter;
delete [] fPlaneSpacing;
if( fIsSetup )
RemoveVariables();
if( fIsInit )
DeleteArrays();
if (fTrackProj) {
fTrackProj->Clear();
delete fTrackProj; fTrackProj = 0;
}
}
//_____________________________________________________________________________
void THcHodoscope::DeleteArrays()
{
// Delete member arrays. Used by destructor.
// Int_t k;
// for( k = 0; k < fNPlanes; k++){
// delete [] fScinHit[k];
// }
// delete [] fScinHit;
delete [] fxLoScin; fxLoScin = NULL;
delete [] fxHiScin; fxHiScin = NULL;
delete [] fHodoSlop; fHodoSlop = NULL;
delete [] fNPaddle; fNPaddle = NULL;
delete [] fHodoVelLight; fHodoVelLight = NULL;
delete [] fHodoPosSigma; fHodoPosSigma = NULL;
delete [] fHodoNegSigma; fHodoNegSigma = NULL;
delete [] fHodoPosMinPh; fHodoPosMinPh = NULL;
delete [] fHodoNegMinPh; fHodoNegMinPh = NULL;
delete [] fHodoPosPhcCoeff; fHodoPosPhcCoeff = NULL;
delete [] fHodoNegPhcCoeff; fHodoNegPhcCoeff = NULL;
delete [] fHodoPosTimeOffset; fHodoPosTimeOffset = NULL;
delete [] fHodoNegTimeOffset; fHodoNegTimeOffset = NULL;
delete [] fHodoPosPedLimit; fHodoPosPedLimit = NULL;
delete [] fHodoNegPedLimit; fHodoNegPedLimit = NULL;
delete [] fHodoPosInvAdcOffset; fHodoPosInvAdcOffset = NULL;
delete [] fHodoNegInvAdcOffset; fHodoNegInvAdcOffset = NULL;
delete [] fHodoPosInvAdcLinear; fHodoPosInvAdcLinear = NULL;
delete [] fHodoNegInvAdcLinear; fHodoNegInvAdcLinear = NULL;
delete [] fHodoPosInvAdcAdc; fHodoPosInvAdcAdc = NULL;
delete [] fGoodPlaneTime; fGoodPlaneTime = NULL;
delete [] fNPlaneTime; fNPlaneTime = NULL;
delete [] fSumPlaneTime; fSumPlaneTime = NULL;
delete [] fNScinHits; fNScinHits = NULL;
delete [] fTdcOffset; fTdcOffset = NULL;
delete [] fAdcTimeWindowMin; fAdcTimeWindowMin = NULL;
delete [] fAdcTimeWindowMax; fAdcTimeWindowMax = NULL;
}
//_____________________________________________________________________________
inline
void THcHodoscope::ClearEvent()
{
/*! \brief Clears variables
*
* Called by THcHodoscope::Decode
*
*/
fBeta = 0.0;
fBetaNoTrk = 0.0;
fBetaNoTrkChiSq = 0.0;
fStartTime = 0.0;
fFPTimeAll= -1000.;
fGoodStartTime = kFALSE;
fGoodScinHits = 0;
for(Int_t ip=0;ip<fNPlanes;ip++) {
fPlanes[ip]->Clear();
fFPTime[ip]=0.;
fPlaneCenter[ip]=0.;
fPlaneSpacing[ip]=0.;
for(UInt_t iPaddle=0;iPaddle<fNPaddle[ip]; ++iPaddle) {
fScinHitPaddle[ip][iPaddle]=0;
}
}
fdEdX.clear();
fNScinHit.clear();
fNClust.clear();
fThreeScin.clear();
fGoodScinHitsX.clear();
}
//_____________________________________________________________________________
Int_t THcHodoscope::Decode( const THaEvData& evdata )
{
/*! \brief Decodes raw data and processes raw data into hits for each instance of THcScintillatorPlane
*
* - Calls THcHodoscope::ClearEvent
* - Reads raw data using THcHitList::DecodeToHitList
* - If one wants to subtract pedestals (assumed to be a set of data at beginning of run)
* + Must define "Pedestal_event" cut in the cuts definition file
* + For each "Pedestal_event" calls THcScintillatorPlane::AccumulatePedestals and returns
* + After First event which is not a "Pedestal_event" calls THcScintillatorPlane::CalculatePedestals
* - For each scintillator plane THcScintillatorPlane::ProcessHits
* - Calls THcHodoscope::EstimateFocalPlaneTime
*
*
*/
ClearEvent();
// Get the Hall C style hitlist (fRawHitList) for this event
Bool_t present = kTRUE; // Suppress reference time warnings
if(fPresentP) { // if this spectrometer not part of trigger
present = *fPresentP;
}
fNHits = DecodeToHitList(evdata, !present);
//
// GN: print event number so we can cross-check with engine
// if (evdata.GetEvNum()>1000)
// cout <<"\nhcana_event " << evdata.GetEvNum()<<endl;
fCheckEvent = evdata.GetEvNum();
fEventType = evdata.GetEvType();
if(gHaCuts->Result("Pedestal_event")) {
Int_t nexthit = 0;
for(Int_t ip=0;ip<fNPlanes;ip++) {
nexthit = fPlanes[ip]->AccumulatePedestals(fRawHitList, nexthit);
}
fAnalyzePedestals = 1; // Analyze pedestals first normal events
return(0);
}
if(fAnalyzePedestals) {
for(Int_t ip=0;ip<fNPlanes;ip++) {
fPlanes[ip]->CalculatePedestals();
}
fAnalyzePedestals = 0; // Don't analyze pedestals next event
}
// Let each plane get its hits
Int_t nexthit = 0;
fNfptimes=0;
for(Int_t ip=0;ip<fNPlanes;ip++) {
fPlaneCenter[ip] = fPlanes[ip]->GetPosCenter(0) + fPlanes[ip]->GetPosOffset();
fPlaneSpacing[ip] = fPlanes[ip]->GetSpacing();
// nexthit = fPlanes[ip]->ProcessHits(fRawHitList, nexthit);
// GN: select only events that have reasonable TDC values to start with
// as per the Engine h_strip_scin.f
nexthit = fPlanes[ip]->ProcessHits(fRawHitList,nexthit);
}
EstimateFocalPlaneTime();
if (fdebugprintscinraw == 1) {
cout << " Event number = " << evdata.GetEvNum()<<endl;
for(UInt_t ihit = 0; ihit < fNRawHits ; ihit++) {
// THcRawHodoHit* hit = (THcRawHodoHit *) fRawHitList->At(ihit);
// cout << ihit << " : " << hit->fPlane << ":" << hit->fCounter << " : "
// << hit->fADC_pos << " " << hit->fADC_neg << " " << hit->fTDC_pos
// << " " << hit->fTDC_neg << endl;
}
cout << endl;
}
return fNHits;
}
//_____________________________________________________________________________
void THcHodoscope::EstimateFocalPlaneTime( void )
{
/*! \brief Calculates the Drift Chamber start time and fBetaNoTrk (velocity determined without track info)
*
* - Called by THcHodoscope::Decode
* - selects good scintillator paddle hits
* + loops through hits in each scintillator plane and fills histogram array, "timehist", with corrected times for positive
* and negative ends of each paddle
* + Determines the peak of "timehist"
*
*/
Int_t timehist[200];
for (Int_t i=0;i<200;i++) {
timehist[i] = 0;
}
Int_t ihit=0;
Int_t nscinhits=0; // Total # hits with at least one good tdc
for(Int_t ip=0;ip<fNPlanes;ip++) {
Int_t nphits=fPlanes[ip]->GetNScinHits();
nscinhits += nphits;
TClonesArray* hodoHits = fPlanes[ip]->GetHits();
for(Int_t i=0;i<nphits;i++) {
THcHodoHit *hit = (THcHodoHit*)hodoHits->At(i);
if(hit->GetHasCorrectedTimes()) {
Double_t postime=hit->GetPosTOFCorrectedTime();
Double_t negtime=hit->GetNegTOFCorrectedTime();
for (Int_t k=0;k<200;k++) {
Double_t tmin=0.5*(k+1);
if ((postime> tmin) && (postime < tmin+fTofTolerance)) {
timehist[k]++;
}
if ((negtime> tmin) && (negtime < tmin+fTofTolerance)) {
timehist[k]++;
}
}
}
}
}
// Find the bin with most hits
Int_t binmax=0;
Int_t maxhit=0;
for(Int_t i=0;i<200;i++) {
if(timehist[i]>maxhit) {
binmax = i+1;
maxhit = timehist[i];
}
}
ihit = 0;
Double_t fpTimeSum = 0.0;
fNfptimes=0;
Int_t Ngood_hits_plane=0;
Double_t Plane_fptime_sum=0.0;
Bool_t goodplanetime[fNPlanes];
Bool_t twogoodtimes[nscinhits];
for(Int_t ip=0;ip<fNumPlanesBetaCalc;ip++) {
goodplanetime[ip] = kFALSE;
Int_t nphits=fPlanes[ip]->GetNScinHits();
TClonesArray* hodoHits = fPlanes[ip]->GetHits();
Ngood_hits_plane=0;
Plane_fptime_sum=0.0;
for(Int_t i=0;i<nphits;i++) {
THcHodoHit *hit = (THcHodoHit*)hodoHits->At(i);
twogoodtimes[ihit] = kFALSE;
if(hit->GetHasCorrectedTimes()) {
Double_t tmin = 0.5*binmax;
Double_t postime=hit->GetPosTOFCorrectedTime();
Double_t negtime=hit->GetNegTOFCorrectedTime();
if ((postime>tmin) && (postime<tmin+fTofTolerance) &&
(negtime>tmin) && (negtime<tmin+fTofTolerance)) {
hit->SetTwoGoodTimes(kTRUE);
twogoodtimes[ihit] = kTRUE; // Both tubes fired
Int_t index=hit->GetPaddleNumber()-1; //
Double_t fptime;
if(fCosmicFlag==1) {
fptime = hit->GetScinCorrectedTime()
+ (fPlanes[ip]->GetZpos()+(index%2)*fPlanes[ip]->GetDzpos())
/ (29.979 * fBetaNominal);
}else{
fptime = hit->GetScinCorrectedTime()
- (fPlanes[ip]->GetZpos()+(index%2)*fPlanes[ip]->GetDzpos())
/ (29.979 * fBetaNominal);
}
Ngood_hits_plane++;
Plane_fptime_sum+=fptime;
fpTimeSum += fptime;
fNfptimes++;
goodplanetime[ip] = kTRUE;
} else {
hit->SetTwoGoodTimes(kFALSE);
}
}
}
ihit++;
fPlanes[ip]->SetFpTime(Plane_fptime_sum/float(Ngood_hits_plane));
fPlanes[ip]->SetNGoodHits(Ngood_hits_plane);
}
if(fNfptimes>0) {
fStartTime = fpTimeSum/fNfptimes;
fGoodStartTime=kTRUE;
fFPTimeAll = fStartTime ;
} else {
fStartTime = fStartTimeCenter;
fGoodStartTime=kFALSE;
fFPTimeAll = fStartTime ;
}
if((goodplanetime[0]||goodplanetime[1])
&&(goodplanetime[2]||goodplanetime[3])) {
Double_t sumW = 0.;
Double_t sumT = 0.;
Double_t sumZ = 0.;
Double_t sumZZ = 0.;
Double_t sumTZ = 0.;
Int_t ihhit = 0;
for(Int_t ip=0;ip<fNumPlanesBetaCalc;ip++) {
Int_t nphits=fPlanes[ip]->GetNScinHits();
TClonesArray* hodoHits = fPlanes[ip]->GetHits();
for(Int_t i=0;i<nphits;i++) {
Int_t index=((THcHodoHit*)hodoHits->At(i))->GetPaddleNumber()-1;
if(twogoodtimes[ihhit]){
Double_t sigma = 0.5 * ( TMath::Sqrt( TMath::Power( fHodoPosSigma[GetScinIndex(ip,index)],2) +
TMath::Power( fHodoNegSigma[GetScinIndex(ip,index)],2) ) );
Double_t scinWeight = 1 / TMath::Power(sigma,2);
Double_t zPosition = fPlanes[ip]->GetZpos() + (index%2)*fPlanes[ip]->GetDzpos();
// cout << "hit = " << ihhit + 1 << " zpos = " << zPosition << " sigma = " << sigma << endl;
sumW += scinWeight;
sumT += scinWeight * ((THcHodoHit*)hodoHits->At(i))->GetScinCorrectedTime();
sumZ += scinWeight * zPosition;
sumZZ += scinWeight * ( zPosition * zPosition );
sumTZ += scinWeight * zPosition * ((THcHodoHit*)hodoHits->At(i))->GetScinCorrectedTime();
} // condition of good scin time
ihhit ++;
} // loop over hits of plane
} // loop over planes
Double_t tmp = sumW * sumZZ - sumZ * sumZ ;
Double_t t0 = ( sumT * sumZZ - sumZ * sumTZ ) / tmp ;
Double_t tmpDenom = sumW * sumTZ - sumZ * sumT;
if ( TMath::Abs( tmpDenom ) > ( 1 / 10000000000.0 ) ) {
fBetaNoTrk = tmp / tmpDenom;
fBetaNoTrkChiSq = 0.;
ihhit = 0;
for (Int_t ip = 0; ip < fNumPlanesBetaCalc; ip++ ){ // Loop over planes
Int_t nphits=fPlanes[ip]->GetNScinHits();
TClonesArray* hodoHits = fPlanes[ip]->GetHits();
for(Int_t i=0;i<nphits;i++) {
Int_t index=((THcHodoHit*)hodoHits->At(i))->GetPaddleNumber()-1;
if(twogoodtimes[ihhit]) {
Double_t zPosition = fPlanes[ip]->GetZpos() + (index%2)*fPlanes[ip]->GetDzpos();
Double_t timeDif = ( ((THcHodoHit*)hodoHits->At(i))->GetScinCorrectedTime() - t0 );
Double_t sigma = 0.5 * ( TMath::Sqrt( TMath::Power( fHodoPosSigma[GetScinIndex(ip,index)],2) +
TMath::Power( fHodoNegSigma[GetScinIndex(ip,index)],2) ) );
fBetaNoTrkChiSq += ( ( zPosition / fBetaNoTrk - timeDif ) *
( zPosition / fBetaNoTrk - timeDif ) ) / ( sigma * sigma );
} // condition for good scin time
ihhit++;
} // loop over hits of a plane
} // loop over planes
Double_t pathNorm = 1.0;
fBetaNoTrk = fBetaNoTrk * pathNorm;
fBetaNoTrk = fBetaNoTrk / 29.979; // velocity / c
} // condition for fTmpDenom
else {
fBetaNoTrk = 0.;
fBetaNoTrkChiSq = -2.;
} // else condition for fTmpDenom
}
fGoodEventTOFCalib=kFALSE;
if ((fNumPlanesBetaCalc==4)&&goodplanetime[0]&&goodplanetime[1]&&goodplanetime[2]&&goodplanetime[3]&&fPlanes[0]->GetNGoodHits()==1&&fPlanes[1]->GetNGoodHits()==1&&fPlanes[2]->GetNGoodHits()==1&&fPlanes[3]->GetNGoodHits()==1) fGoodEventTOFCalib=kTRUE;
if ((fNumPlanesBetaCalc==3)&&goodplanetime[0]&&goodplanetime[1]&&goodplanetime[2]&&fPlanes[0]->GetNGoodHits()==1&&fPlanes[1]->GetNGoodHits()==1&&fPlanes[2]->GetNGoodHits()==1) fGoodEventTOFCalib=kTRUE;
}
//_____________________________________________________________________________
Int_t THcHodoscope::ApplyCorrections( void )
{
return(0);
}
//_____________________________________________________________________________
Double_t THcHodoscope::TimeWalkCorrection(const Int_t& paddle,
const ESide side)
{
return(0.0);
}
//_____________________________________________________________________________
Int_t THcHodoscope::CoarseProcess( TClonesArray& tracks )
{
Int_t ntracks = tracks.GetLast()+1; // Number of reconstructed tracks
Int_t timehist[200];
// -------------------------------------------------
// fDumpOut << " ntrack = " << ntracks << endl;
if (tracks.GetLast()+1 > 0 ) {
// **MAIN LOOP: Loop over all tracks and get corrected time, tof, beta...
Double_t* nPmtHit = new Double_t [ntracks];
Double_t* timeAtFP = new Double_t [ntracks];
for ( Int_t itrack = 0; itrack < ntracks; itrack++ ) { // Line 133
nPmtHit[itrack]=0;
timeAtFP[itrack]=0;
THaTrack* theTrack = dynamic_cast<THaTrack*>( tracks.At(itrack) );
if (!theTrack) return -1;
for (Int_t ip = 0; ip < fNumPlanesBetaCalc; ip++ ){
fGoodPlaneTime[ip] = kFALSE;
fNScinHits[ip] = 0;
fNPlaneTime[ip] = 0;
fSumPlaneTime[ip] = 0.;
}
std::vector<Double_t> dedx_temp;
fdEdX.push_back(dedx_temp); // Create array of dedx per hit
std::vector<std::vector<GoodFlags> > goodflagstmp1;
fGoodFlags.push_back(goodflagstmp1);
Int_t nFPTime = 0;
Double_t betaChiSq = -3;
Double_t beta = 0;
// timeAtFP[itrack] = 0.;
Double_t sumFPTime = 0.; // Line 138
fNScinHit.push_back(0);
//! Calculate all corrected hit times and histogram
//! This uses a copy of code below. Results are save in time_pos,neg
//! including the z-pos. correction assuming nominal value of betap
//! Code is currently hard-wired to look for a peak in the
//! range of 0 to 100 nsec, with a group of times that all
//! agree withing a time_tolerance of time_tolerance nsec. The normal
//! peak position appears to be around 35 nsec.
//! NOTE: if want to find particles with beta different than
//! reference particle, need to make sure this is big enough
//! to accomodate difference in TOF for other particles
//! Default value in case user hasnt defined something reasonable
for (Int_t j=0; j<200; j++) { timehist[j]=0; } // Line 176
// Loop over scintillator planes.
// In ENGINE, its loop over good scintillator hits.
fTOFCalc.clear(); // SAW - Can we
fTOFPInfo.clear(); // SAW - combine these two?
Int_t ihhit = 0; // Hit # overall
for(Int_t ip = 0; ip < fNumPlanesBetaCalc; ip++ ) {
std::vector<GoodFlags> goodflagstmp2;
fGoodFlags[itrack].push_back(goodflagstmp2);
fNScinHits[ip] = fPlanes[ip]->GetNScinHits();
TClonesArray* hodoHits = fPlanes[ip]->GetHits();
Double_t zPos = fPlanes[ip]->GetZpos();
Double_t dzPos = fPlanes[ip]->GetDzpos();
// first loop over hits with in a single plane
for (Int_t iphit = 0; iphit < fNScinHits[ip]; iphit++ ){
// iphit is hit # within a plane
THcHodoHit *hit = (THcHodoHit*)hodoHits->At(iphit);
fTOFPInfo.push_back(TOFPInfo());
// Can remove these as we will initialize in the constructor
// fTOFPInfo[ihhit].time_pos = -99.0;
// fTOFPInfo[ihhit].time_neg = -99.0;
// fTOFPInfo[ihhit].keep_pos = kFALSE;
// fTOFPInfo[ihhit].keep_neg = kFALSE;
fTOFPInfo[ihhit].scin_pos_time = 0.0;
fTOFPInfo[ihhit].scin_neg_time = 0.0;
fTOFPInfo[ihhit].hit = hit;
fTOFPInfo[ihhit].planeIndex = ip;
fTOFPInfo[ihhit].hitNumInPlane = iphit;
fTOFPInfo[ihhit].onTrack = kFALSE;
Int_t paddle = hit->GetPaddleNumber()-1;
Double_t zposition = zPos + (paddle%2)*dzPos;
Double_t xHitCoord = theTrack->GetX() + theTrack->GetTheta() *
( zposition ); // Line 183
Double_t yHitCoord = theTrack->GetY() + theTrack->GetPhi() *
( zposition ); // Line 184
Double_t scinTrnsCoord, scinLongCoord;
if ( ( ip == 0 ) || ( ip == 2 ) ){ // !x plane. Line 185
scinTrnsCoord = xHitCoord;
scinLongCoord = yHitCoord;
}
else if ( ( ip == 1 ) || ( ip == 3 ) ){ // !y plane. Line 188
scinTrnsCoord = yHitCoord;
scinLongCoord = xHitCoord;
}
else { return -1; } // Line 195
fTOFPInfo[ihhit].scinTrnsCoord = scinTrnsCoord;
fTOFPInfo[ihhit].scinLongCoord = scinLongCoord;
Double_t scinCenter = fPlanes[ip]->GetPosCenter(paddle) + fPlanes[ip]->GetPosOffset();
// Index to access the 2d arrays of paddle/scintillator properties
Int_t fPIndex = GetScinIndex(ip,paddle);
if ( TMath::Abs( scinCenter - scinTrnsCoord ) <
( fPlanes[ip]->GetSize() * 0.5 + fPlanes[ip]->GetHodoSlop() ) ){ // Line 293
fTOFPInfo[ihhit].onTrack = kTRUE;
Double_t zcor = zposition/(29.979*fBetaNominal)*
TMath::Sqrt(1. + theTrack->GetTheta()*theTrack->GetTheta()
+ theTrack->GetPhi()*theTrack->GetPhi());
fTOFPInfo[ihhit].zcor = zcor;
if (fCosmicFlag) {
Double_t zcor = -zposition/(29.979*1.0)*
TMath::Sqrt(1. + theTrack->GetTheta()*theTrack->GetTheta()
+ theTrack->GetPhi()*theTrack->GetPhi());
fTOFPInfo[ihhit].zcor = zcor;
}
Double_t tdc_pos = hit->GetPosTDC();
if(tdc_pos >=fScinTdcMin && tdc_pos <= fScinTdcMax ) {
Double_t adc_pos = hit->GetPosADC();
Double_t pathp = fPlanes[ip]->GetPosLeft() - scinLongCoord;
fTOFPInfo[ihhit].pathp = pathp;
Double_t timep = tdc_pos*fScinTdcToTime;
if(fTofUsingInvAdc) {
timep -= fHodoPosInvAdcOffset[fPIndex]
+ pathp/fHodoPosInvAdcLinear[fPIndex]
+ fHodoPosInvAdcAdc[fPIndex]
/TMath::Sqrt(TMath::Max(20.0*.020,adc_pos));
} else {
timep -= fHodoPosPhcCoeff[fPIndex]*
TMath::Sqrt(TMath::Max(0.0,adc_pos/fHodoPosMinPh[fPIndex]-1.0))
+ pathp/fHodoVelLight[fPIndex]
+ fHodoPosTimeOffset[fPIndex];
}
fTOFPInfo[ihhit].scin_pos_time = timep;
timep -= zcor;
fTOFPInfo[ihhit].time_pos = timep;
for ( Int_t k = 0; k < 200; k++ ){ // Line 211
Double_t tmin = 0.5 * ( k + 1 ) ;
if ( ( timep > tmin ) && ( timep < ( tmin + fTofTolerance ) ) )
timehist[k] ++;
}
}
Double_t tdc_neg = hit->GetNegTDC();
if(tdc_neg >=fScinTdcMin && tdc_neg <= fScinTdcMax ) {
Double_t adc_neg = hit->GetNegADC();
Double_t pathn = scinLongCoord - fPlanes[ip]->GetPosRight();
fTOFPInfo[ihhit].pathn = pathn;
Double_t timen = tdc_neg*fScinTdcToTime;
if(fTofUsingInvAdc) {
timen -= fHodoNegInvAdcOffset[fPIndex]
+ pathn/fHodoNegInvAdcLinear[fPIndex]
+ fHodoNegInvAdcAdc[fPIndex]
/TMath::Sqrt(TMath::Max(20.0*.020,adc_neg));
} else {
timen -= fHodoNegPhcCoeff[fPIndex]*
TMath::Sqrt(TMath::Max(0.0,adc_neg/fHodoNegMinPh[fPIndex]-1.0))
+ pathn/fHodoVelLight[fPIndex]
+ fHodoNegTimeOffset[fPIndex];
}
fTOFPInfo[ihhit].scin_neg_time = timen;
timen -= zcor;
fTOFPInfo[ihhit].time_neg = timen;
for ( Int_t k = 0; k < 200; k++ ){ // Line 230
Double_t tmin = 0.5 * ( k + 1 );
if ( ( timen > tmin ) && ( timen < ( tmin + fTofTolerance ) ) )
timehist[k] ++;
}
}
} // condition for cenetr on a paddle
ihhit++;
} // First loop over hits in a plane <---------
//-----------------------------------------------------------------------------------------------
//------------- First large loop over scintillator hits ends here --------------------
//-----------------------------------------------------------------------------------------------
}
Int_t nhits=ihhit;
// Find bin with the most hits
Int_t jmax = 0; // Line 240
Int_t maxhit = 0;
for ( Int_t k = 0; k < 200; k++ ){
if ( timehist[k] > maxhit ){
jmax = k+1;
maxhit = timehist[k];
}
}
if(jmax > 0) {
Double_t tmin = 0.5 * jmax;
for(Int_t ih = 0; ih < nhits; ih++) { // loop over all scintillator hits
if ( ( fTOFPInfo[ih].time_pos > tmin ) && ( fTOFPInfo[ih].time_pos < ( tmin + fTofTolerance ) ) ) {
fTOFPInfo[ih].keep_pos=kTRUE;
}
if ( ( fTOFPInfo[ih].time_neg > tmin ) && ( fTOFPInfo[ih].time_neg < ( tmin + fTofTolerance ) ) ){
fTOFPInfo[ih].keep_neg=kTRUE;
}
}
}
//---------------------------------------------------------------------------------------------
// ---------------------- Scond loop over scint. hits in a plane ------------------------------
//---------------------------------------------------------------------------------------------
for(Int_t ih=0; ih < nhits; ih++) {
THcHodoHit *hit = fTOFPInfo[ih].hit;
Int_t iphit = fTOFPInfo[ih].hitNumInPlane;
Int_t ip = fTOFPInfo[ih].planeIndex;
// fDumpOut << " looping over hits = " << ih << " plane = " << ip+1 << endl;
GoodFlags flags;
// Flags are used by THcHodoEff
fGoodFlags[itrack][ip].push_back(flags);
fGoodFlags[itrack][ip][iphit].onTrack = kFALSE;
fGoodFlags[itrack][ip][iphit].goodScinTime = kFALSE;
fGoodFlags[itrack][ip][iphit].goodTdcNeg = kFALSE;
fGoodFlags[itrack][ip][iphit].goodTdcPos = kFALSE;
fTOFCalc.push_back(TOFCalc());
// Do we set back to false for each track, or just once per event?
fTOFCalc[ih].good_scin_time = kFALSE;
// These need a track index too to calculate efficiencies
fTOFCalc[ih].good_tdc_pos = kFALSE;
fTOFCalc[ih].good_tdc_neg = kFALSE;
fTOFCalc[ih].pindex = ip;
Int_t paddle = hit->GetPaddleNumber()-1;
fTOFCalc[ih].hit_paddle = paddle;
fTOFCalc[ih].good_raw_pad = paddle;
// Double_t scinCenter = fPlanes[ip]->GetPosCenter(paddle) + fPlanes[ip]->GetPosOffset();
// Double_t scinTrnsCoord = fTOFPInfo[ih].scinTrnsCoord;
// Double_t scinLongCoord = fTOFPInfo[ih].scinLongCoord;
Int_t fPIndex = GetScinIndex(ip,paddle);
if (fTOFPInfo[ih].onTrack) {
fGoodFlags[itrack][ip][iphit].onTrack = kTRUE;
if ( fTOFPInfo[ih].keep_pos ) { // 301
fTOFCalc[ih].good_tdc_pos = kTRUE;
fGoodFlags[itrack][ip][iphit].goodTdcPos = kTRUE;
}
if ( fTOFPInfo[ih].keep_neg ) { //
fTOFCalc[ih].good_tdc_neg = kTRUE;
fGoodFlags[itrack][ip][iphit].goodTdcNeg = kTRUE;
}
// ** Calculate ave time for scin and error.
if ( fTOFCalc[ih].good_tdc_pos ){
if ( fTOFCalc[ih].good_tdc_neg ){
fTOFCalc[ih].scin_time = ( fTOFPInfo[ih].scin_pos_time +
fTOFPInfo[ih].scin_neg_time ) / 2.;
fTOFCalc[ih].scin_time_fp = ( fTOFPInfo[ih].time_pos +
fTOFPInfo[ih].time_neg ) / 2.;
fTOFCalc[ih].scin_sigma = TMath::Sqrt( fHodoPosSigma[fPIndex] * fHodoPosSigma[fPIndex] +
fHodoNegSigma[fPIndex] * fHodoNegSigma[fPIndex] )/2.;
fTOFCalc[ih].good_scin_time = kTRUE;
fGoodFlags[itrack][ip][iphit].goodScinTime = kTRUE;
} else{
fTOFCalc[ih].scin_time = fTOFPInfo[ih].scin_pos_time;
fTOFCalc[ih].scin_time_fp = fTOFPInfo[ih].time_pos;
fTOFCalc[ih].scin_sigma = fHodoPosSigma[fPIndex];
fTOFCalc[ih].good_scin_time = kTRUE;
fGoodFlags[itrack][ip][iphit].goodScinTime = kTRUE;
}
} else {
if ( fTOFCalc[ih].good_tdc_neg ){
fTOFCalc[ih].scin_time = fTOFPInfo[ih].scin_neg_time;
fTOFCalc[ih].scin_time_fp = fTOFPInfo[ih].time_neg;
fTOFCalc[ih].scin_sigma = fHodoNegSigma[fPIndex];
fTOFCalc[ih].good_scin_time = kTRUE;
fGoodFlags[itrack][ip][iphit].goodScinTime = kTRUE;
}
} // In h_tof.f this includes the following if condition for time at focal plane
// // because it is written in FORTRAN code
// c Get time at focal plane
if ( fTOFCalc[ih].good_scin_time ){
// scin_time_fp doesn't need to be an array
// Is this any different than the average of time_pos and time_neg?
// Double_t scin_time_fp = ( fTOFPInfo[ih].time_pos +
// fTOFPInfo[ih].time_neg ) / 2.;
Double_t scin_time_fp = fTOFCalc[ih].scin_time_fp;
sumFPTime = sumFPTime + scin_time_fp;
nFPTime ++;
fSumPlaneTime[ip] = fSumPlaneTime[ip] + scin_time_fp;
fNPlaneTime[ip] ++;
fNScinHit[itrack] ++;
if ( ( fTOFCalc[ih].good_tdc_pos ) && ( fTOFCalc[ih].good_tdc_neg ) ){
nPmtHit[itrack] = nPmtHit[itrack] + 2;
} else {
nPmtHit[itrack] = nPmtHit[itrack] + 1;
}
fdEdX[itrack].push_back(0.0);
// --------------------------------------------------------------------------------------------
if ( fTOFCalc[ih].good_tdc_pos ){
if ( fTOFCalc[ih].good_tdc_neg ){
fdEdX[itrack][fNScinHit[itrack]-1]=
TMath::Sqrt( TMath::Max( 0., hit->GetPosADC() * hit->GetNegADC() ) );
} else{
fdEdX[itrack][fNScinHit[itrack]-1]=
TMath::Max( 0., hit->GetPosADC() );
}
} else{
if ( fTOFCalc[ih].good_tdc_neg ){
fdEdX[itrack][fNScinHit[itrack]-1]=
TMath::Max( 0., hit->GetNegADC() );
} else{
fdEdX[itrack][fNScinHit[itrack]-1]=0.0;
}
}
// --------------------------------------------------------------------------------------------
} // time at focal plane condition
} // on track condition
// ** See if there are any good time measurements in the plane.
if ( fTOFCalc[ih].good_scin_time ){
fGoodPlaneTime[ip] = kTRUE;
fTOFCalc[ih].dedx = fdEdX[itrack][fNScinHit[itrack]-1];
} else {
fTOFCalc[ih].dedx = 0.0;
}
} // Second loop over hits of a scintillator plane ends here
theTrack->SetGoodPlane3( fGoodPlaneTime[2] ? 1 : 0 );
if (fNumPlanesBetaCalc==4) theTrack->SetGoodPlane4( fGoodPlaneTime[3] ? 1 : 0 );
//
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// * * Fit beta if there are enough time measurements (one upper, one lower)
// From h_tof_fit
if ( ( ( fGoodPlaneTime[0] ) || ( fGoodPlaneTime[1] ) ) &&
( ( fGoodPlaneTime[2] ) || ( fGoodPlaneTime[3] ) ) ){
Double_t sumW = 0.;
Double_t sumT = 0.;
Double_t sumZ = 0.;
Double_t sumZZ = 0.;
Double_t sumTZ = 0.;
for(Int_t ih=0; ih < nhits; ih++) {
Int_t ip = fTOFPInfo[ih].planeIndex;
if ( fTOFCalc[ih].good_scin_time ) {
Double_t scinWeight = 1 / ( fTOFCalc[ih].scin_sigma * fTOFCalc[ih].scin_sigma );
Double_t zPosition = ( fPlanes[ip]->GetZpos()
+( fTOFCalc[ih].hit_paddle % 2 ) *
fPlanes[ip]->GetDzpos() );
sumW += scinWeight;
sumT += scinWeight * fTOFCalc[ih].scin_time;
sumZ += scinWeight * zPosition;
sumZZ += scinWeight * ( zPosition * zPosition );
sumTZ += scinWeight * zPosition * fTOFCalc[ih].scin_time;
} // condition of good scin time
} // loop over hits
Double_t tmp = sumW * sumZZ - sumZ * sumZ ;
Double_t t0 = ( sumT * sumZZ - sumZ * sumTZ ) / tmp ;
Double_t tmpDenom = sumW * sumTZ - sumZ * sumT;
if ( TMath::Abs( tmpDenom ) > ( 1 / 10000000000.0 ) ) {
beta = tmp / tmpDenom;
betaChiSq = 0.;
for(Int_t ih=0; ih < nhits; ih++) {
Int_t ip = fTOFPInfo[ih].planeIndex;
if ( fTOFCalc[ih].good_scin_time ){
Double_t zPosition = ( fPlanes[ip]->GetZpos() + ( fTOFCalc[ih].hit_paddle % 2 ) *
fPlanes[ip]->GetDzpos() );
Double_t timeDif = ( fTOFCalc[ih].scin_time - t0 );
betaChiSq += ( ( zPosition / beta - timeDif ) *
( zPosition / beta - timeDif ) ) /
( fTOFCalc[ih].scin_sigma * fTOFCalc[ih].scin_sigma );
} // condition for good scin time
} // loop over hits
Double_t pathNorm = TMath::Sqrt( 1. + theTrack->GetTheta() * theTrack->GetTheta() +
theTrack->GetPhi() * theTrack->GetPhi() );
// Take angle into account
beta = beta / pathNorm;
beta = beta / 29.979; // velocity / c
} // condition for fTmpDenom
else {
beta = 0.;
betaChiSq = -2.;
} // else condition for fTmpDenom
}
else {
beta = 0.;
betaChiSq = -1;
}
if ( nFPTime != 0 ){
timeAtFP[itrack] = ( sumFPTime / nFPTime );
}
//
// ---------------------------------------------------------------------------
Double_t FPTimeSum=0.0;
Int_t nFPTimeSum=0;
for (Int_t ip = 0; ip < fNumPlanesBetaCalc; ip++ ){
if ( fNPlaneTime[ip] != 0 ){
fFPTime[ip] = ( fSumPlaneTime[ip] / fNPlaneTime[ip] );
FPTimeSum += fSumPlaneTime[ip];
nFPTimeSum += fNPlaneTime[ip];
}
else{
fFPTime[ip] = 1000. * ( ip + 1 );
}
}
Double_t fptime = FPTimeSum/nFPTimeSum;
fFPTimeAll = fptime;
Double_t dedx=0.0;
for(UInt_t ih=0;ih<fTOFCalc.size();ih++) {
if(fTOFCalc[ih].good_scin_time) {
dedx = fTOFCalc[ih].dedx;
break;
}
}
theTrack->SetDedx(dedx);
theTrack->SetFPTime(fptime);
theTrack->SetBeta(beta);
theTrack->SetBetaChi2( betaChiSq );
theTrack->SetNPMT(nPmtHit[itrack]);
theTrack->SetFPTime( timeAtFP[itrack]);
} // Main loop over tracks ends here.
} // If condition for at least one track
//-----------------------------------------------------------------------
//
// Trnslation of h_track_tests.f file for tracking efficiency
//
//-----------------------------------------------------------------------
//************************now look at some hodoscope tests
// *second, we move the scintillators. here we use scintillator cuts to see
// *if a track should have been found.
for(Int_t ip = 0; ip < fNumPlanesBetaCalc; ip++ ) {
if (!fPlanes[ip])
return -1;
TClonesArray* hodoHits = fPlanes[ip]->GetHits();
// TClonesArray* scinPosTDC = fPlanes[ip]->GetPosTDC();
// TClonesArray* scinNegTDC = fPlanes[ip]->GetNegTDC();
fNScinHits[ip] = fPlanes[ip]->GetNScinHits();
for (Int_t iphit = 0; iphit < fNScinHits[ip]; iphit++ ){
Int_t paddle = ((THcHodoHit*)hodoHits->At(iphit))->GetPaddleNumber()-1;
fScinHitPaddle[ip][paddle] = 1;
}
}
// *next, look for clusters of hits in a scin plane. a cluster is a group of
// *adjacent scintillator hits separated by a non-firing scintillator.
// *Wwe count the number of three adjacent scintillators too. (A signle track
// *shouldn't fire three adjacent scintillators.
for(Int_t ip = 0; ip < fNumPlanesBetaCalc; ip++ ) {
// Planes ip = 0 = 1X
// Planes ip = 2 = 2X
if (!fPlanes[ip]) return -1;
fNClust.push_back(0);
fThreeScin.push_back(0);
}
// *look for clusters in x planes... (16 scins) !this assume both x planes have same
// *number of scintillators.
Int_t icount;
for (Int_t ip = 0; ip < 3; ip +=2 ) {
icount = 0;
if ( fScinHitPaddle[ip][0] == 1 )
icount ++;
for (Int_t ipaddle = 0; ipaddle < (Int_t) fNPaddle[ip] - 1; ipaddle++ ){
// !look for number of clusters of 1 or more hits
if ( ( fScinHitPaddle[ip][ipaddle] == 0 ) &&
( fScinHitPaddle[ip][ipaddle + 1] == 1 ) )
icount ++;
} // Loop over paddles
fNClust[ip] = icount;
icount = 0;
for (Int_t ipaddle = 0; ipaddle < (Int_t) fNPaddle[ip] - 2; ipaddle++ ){
// !look for three or more adjacent hits
if ( ( fScinHitPaddle[ip][ipaddle] == 1 ) &&
( fScinHitPaddle[ip][ipaddle + 1] == 1 ) &&
( fScinHitPaddle[ip][ipaddle + 2] == 1 ) )
icount ++;
} // Second loop over paddles
if ( icount > 0 )
fThreeScin[ip] = 1;
} // Loop over X plane
// *look for clusters in y planes... (10 scins) !this assume both y planes have same
// *number of scintillators.
for (Int_t ip = 1; ip < fNumPlanesBetaCalc; ip +=2 ) {
// Planes ip = 1 = 1Y
// Planes ip = 3 = 2Y
if (!fPlanes[ip]) return -1;
icount = 0;
if ( fScinHitPaddle[ip][0] == 1 )
icount ++;
for (Int_t ipaddle = 0; ipaddle < (Int_t) fNPaddle[ip] - 1; ipaddle++ ){
// !look for number of clusters of 1 or more hits
if ( ( fScinHitPaddle[ip][ipaddle] == 0 ) &&
( fScinHitPaddle[ip][ipaddle + 1] == 1 ) )
icount ++;
} // Loop over Y paddles
fNClust[ip] = icount;
icount = 0;
for (Int_t ipaddle = 0; ipaddle < (Int_t) fNPaddle[ip] - 2; ipaddle++ ){
// !look for three or more adjacent hits
if ( ( fScinHitPaddle[ip][ipaddle] == 1 ) &&
( fScinHitPaddle[ip][ipaddle + 1] == 1 ) &&
( fScinHitPaddle[ip][ipaddle + 2] == 1 ) )
icount ++;
} // Second loop over Y paddles
if ( icount > 0 )
fThreeScin[ip] = 1;
}// Loop over Y planes
// *next we mask out the edge scintillators, and look at triggers that happened
// *at the center of the acceptance. To change which scins are in the mask
// *change the values of h*loscin and h*hiscin in htracking.param
// fGoodScinHits = 0;
for (Int_t ifidx = fxLoScin[0]; ifidx < (Int_t) fxHiScin[0]; ifidx ++ ){
fGoodScinHitsX.push_back(0);
}
fHitSweet1X=0;
fHitSweet2X=0;
fHitSweet1Y=0;
fHitSweet2Y=0;
// *first x plane. first see if there are hits inside the scin region
for (Int_t ifidx = fxLoScin[0]-1; ifidx < fxHiScin[0]; ifidx ++ ){
if ( fScinHitPaddle[0][ifidx] == 1 ){
fHitSweet1X = 1;
fSweet1XScin = ifidx + 1;
}
}
// * next make sure nothing fired outside the good region
for (Int_t ifidx = 0; ifidx < fxLoScin[0]-1; ifidx ++ ){
if ( fScinHitPaddle[0][ifidx] == 1 ){ fHitSweet1X = -1; }
}
for (Int_t ifidx = fxHiScin[0]; ifidx < (Int_t) fNPaddle[0]; ifidx ++ ){
if ( fScinHitPaddle[0][ifidx] == 1 ){ fHitSweet1X = -1; }
}
// *second x plane. first see if there are hits inside the scin region
for (Int_t ifidx = fxLoScin[1]-1; ifidx < fxHiScin[1]; ifidx ++ ){
if ( fScinHitPaddle[2][ifidx] == 1 ){
fHitSweet2X = 1;
fSweet2XScin = ifidx + 1;
}
}
// * next make sure nothing fired outside the good region
for (Int_t ifidx = 0; ifidx < fxLoScin[1]-1; ifidx ++ ){
if ( fScinHitPaddle[2][ifidx] == 1 ){ fHitSweet2X = -1; }
}
for (Int_t ifidx = fxHiScin[1]; ifidx < (Int_t) fNPaddle[2]; ifidx ++ ){
if ( fScinHitPaddle[2][ifidx] == 1 ){ fHitSweet2X = -1; }
}
// *first y plane. first see if there are hits inside the scin region
for (Int_t ifidx = fyLoScin[0]-1; ifidx < fyHiScin[0]; ifidx ++ ){
if ( fScinHitPaddle[1][ifidx] == 1 ){
fHitSweet1Y = 1;
fSweet1YScin = ifidx + 1;
}
}
// * next make sure nothing fired outside the good region
for (Int_t ifidx = 0; ifidx < fyLoScin[0]-1; ifidx ++ ){
if ( fScinHitPaddle[1][ifidx] == 1 ){ fHitSweet1Y = -1; }
}
for (Int_t ifidx = fyHiScin[0]; ifidx < (Int_t) fNPaddle[1]; ifidx ++ ){
if ( fScinHitPaddle[1][ifidx] == 1 ){ fHitSweet1Y = -1; }
}
// *second y plane. first see if there are hits inside the scin region
for (Int_t ifidx = fyLoScin[1]-1; ifidx < fyHiScin[1]; ifidx ++ ){
if ( fScinHitPaddle[3][ifidx] == 1 ){
fHitSweet2Y = 1;
fSweet2YScin = ifidx + 1;
}
}
// * next make sure nothing fired outside the good region
for (Int_t ifidx = 0; ifidx < fyLoScin[1]-1; ifidx ++ ){
if ( fScinHitPaddle[3][ifidx] == 1 ){ fHitSweet2Y = -1; }
}
for (Int_t ifidx = fyHiScin[1]; ifidx < (Int_t) fNPaddle[3]; ifidx ++ ){
if ( fScinHitPaddle[3][ifidx] == 1 ){ fHitSweet2Y = -1; }
}
fTestSum = fHitSweet1X + fHitSweet2X + fHitSweet1Y + fHitSweet2Y;
// * now define a 3/4 or 4/4 trigger of only good scintillators the value
// * is specified in htracking
if ( fTestSum >= fTrackEffTestNScinPlanes ){
fGoodScinHits = 1;
for (Int_t ifidx = fxLoScin[0]; ifidx < fxHiScin[0]; ifidx ++ ){
if ( fSweet1XScin == ifidx )
fGoodScinHitsX[ifidx] = 1;
}
}
// * require front/back hodoscopes be close to each other
if ( ( fGoodScinHits == 1 ) && ( fTrackEffTestNScinPlanes == 4 ) ){
if ( TMath::Abs( fSweet1XScin - fSweet2XScin ) > 3 )
fGoodScinHits = 0;
if ( TMath::Abs( fSweet1YScin - fSweet2YScin ) > 2 )
fGoodScinHits = 0;
}
return 0;
}
//_____________________________________________________________________________
Int_t THcHodoscope::FineProcess( TClonesArray& tracks )
{
Int_t Ntracks = tracks.GetLast()+1; // Number of reconstructed tracks
Double_t hitPos;
Double_t hitDistance;
Int_t ih=0;
for (Int_t itrk=0; itrk<Ntracks; itrk++) {
THaTrack* theTrack = static_cast<THaTrack*>( tracks[itrk] );
if (theTrack->GetIndex()==0) {
fBeta=theTrack->GetBeta();
Double_t shower_track_enorm = theTrack->GetEnergy()/theTrack->GetP();
for (Int_t ip = 0; ip < fNumPlanesBetaCalc; ip++ ){
Double_t pl_xypos=0;
Double_t pl_zpos=0;
Int_t num_good_pad=0;
TClonesArray* hodoHits = fPlanes[ip]->GetHits();
for (Int_t iphit = 0; iphit < fPlanes[ip]->GetNScinHits(); iphit++ ){
THcHodoHit *hit = fTOFPInfo[ih].hit;
if (fGoodFlags[itrk][ip][iphit].goodScinTime) {
Bool_t sh_pid=(shower_track_enorm > fTOFCalib_shtrk_lo && shower_track_enorm < fTOFCalib_shtrk_hi);
Bool_t beta_pid=( fBeta > fTOFCalib_beta_lo && fBeta < fTOFCalib_beta_hi);
Bool_t cer_pid=( fCherenkov->GetCerNPE() > fTOFCalib_cer_lo);
if(fDumpTOF && Ntracks==1 && fGoodEventTOFCalib && sh_pid && beta_pid && cer_pid) {
fDumpOut << fixed << setprecision(2);
fDumpOut << showpoint << " 1" << setw(3) << ip+1 << setw(3) << hit->GetPaddleNumber() << setw(10) << hit->GetPosTDC()*fScinTdcToTime << setw(10) << fTOFPInfo[ih].pathp << setw(10) << fTOFPInfo[ih].zcor << setw(10) << fTOFPInfo[ih].time_pos << setw(10) << hit->GetPosADC() << endl;
fDumpOut << showpoint << " 2" << setw(3) << ip+1 << setw(3) << hit->GetPaddleNumber() << setw(10) << hit->GetNegTDC()*fScinTdcToTime << setw(10) << fTOFPInfo[ih].pathn << setw(10) << fTOFPInfo[ih].zcor << setw(10) << fTOFPInfo[ih].time_neg << setw(10) << hit->GetNegADC() << endl;
}
Int_t padind = ((THcHodoHit*)hodoHits->At(iphit))->GetPaddleNumber()-1;
pl_xypos+=fPlanes[ip]->GetPosCenter(padind)+ fPlanes[ip]->GetPosOffset();
pl_zpos+=fPlanes[ip]->GetZpos()+ (padind%2)*fPlanes[ip]->GetDzpos();
num_good_pad++;
}
ih++;
// cout << ip << " " << iphit << " " << fGoodFlags[itrk][ip][iphit].goodScinTime << " " << fGoodFlags[itrk][ip][iphit].goodTdcPos << " " << fGoodFlags[itrk][ip][iphit].goodTdcNeg << endl;
}
hitDistance=kBig;
if (num_good_pad !=0 ) {
pl_xypos=pl_xypos/num_good_pad;
pl_zpos=pl_zpos/num_good_pad;
hitPos = theTrack->GetY() + theTrack->GetPhi()*pl_zpos ;
if (ip%2 == 0) hitPos = theTrack->GetX() + theTrack->GetTheta()*pl_zpos ;
hitDistance = hitPos - pl_xypos;
fPlanes[ip]->SetTrackXPosition(theTrack->GetX() + theTrack->GetTheta()*pl_zpos );
fPlanes[ip]->SetTrackYPosition(theTrack->GetY() + theTrack->GetPhi()*pl_zpos );
}
// cout << " ip " << ip << " " << hitPos << " " << pl_xypos << " " << pl_zpos << " " << hitDistance << endl;
fPlanes[ip]->SetHitDistance(hitDistance);
}
if(ih>0&&fDumpTOF && Ntracks==1 && fGoodEventTOFCalib && shower_track_enorm > fTOFCalib_shtrk_lo && shower_track_enorm < fTOFCalib_shtrk_hi ) {
fDumpOut << "0 " << endl;
}
}
} //over tracks
//
return 0;
}
//_____________________________________________________________________________
Int_t THcHodoscope::GetScinIndex( Int_t nPlane, Int_t nPaddle ) {
// GN: Return the index of a scintillator given the plane # and the paddle #
// This assumes that both planes and
// paddles start counting from 0!
// Result also counts from 0.
return fNPlanes*nPaddle+nPlane;
}
//_____________________________________________________________________________
Int_t THcHodoscope::GetScinIndex( Int_t nSide, Int_t nPlane, Int_t nPaddle ) {
return nSide*fMaxHodoScin+fNPlanes*nPaddle+nPlane-1;
}
//_____________________________________________________________________________
Double_t THcHodoscope::GetPathLengthCentral() {
return fPathLengthCentral;
}
ClassImp(THcHodoscope)
////////////////////////////////////////////////////////////////////////////////