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SBSGEMTrackerBase.cxx
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#include "SBSGEMTrackerBase.h"
#include "SBSGEMModule.h"
#include "TH1D.h"
#include "TH2D.h"
#include "TRotation.h"
#include "TClonesArray.h"
//#include "THaTrack.h"
#include "TSystem.h"
#include <sstream>
#include <iomanip>
#include <cstdlib>
#include "Helper.h"
using namespace std;
SBSGEMTrackerBase::SBSGEMTrackerBase(){ //Set default values of important parameters:
Clear();
fPedestalMode = false;
fSubtractPedBeforeCommonMode = false; //only applies to pedestal-mode analysis; default to false
fIsMC = false;
fNmodules = 0;
fNlayers = 0;
fTrackingAlgorithmFlag = 2; //Apparently this is irrelevant
fPurgeHitsFlag = 1;
fMinHitsOnTrack = 3;
//fMinHighQualityHitsOnTrack = 0;
fMinHighQualityHitsOnTrack.clear();
fMinHighQualityHitsOnTrack.resize(1,0); //default to no "high quality" hits required
fMaxHitCombinations = 10000;
fMaxHitCombinations_InnerLayers = 100000;
fMaxHitCombinations_Total = 1.e16;
fTryFastTrack = true;
//moved zero suppression/common-mode parameters to module class
// fOnlineZeroSuppression = false;
// fZeroSuppress = true;
// fZeroSuppressRMS = 5.0; //5 sigma
fGridBinWidthX = 0.01; //1 cm = 10 mm;
fGridBinWidthY = 0.01; //1 cm = 10 mm;
fGridEdgeToleranceX = 0.003; //3 mm default
fGridEdgeToleranceY = 0.003; //3 mm default
fUseEnhancedChi2 = 0; //Default to zero. If 1, use the same of spatial chi2 and "hit quality" chi2 as criterion for best track selection
//fTrackChi2Cut = 100.0; //Max. chi2/ndf for a combination of hits to form a track
//fTrackChi2CutHitQuality = 100.0; //Max. chi2/ndf for track "hit quality" (ADC and time correlation of U/V hits).
fTrackChi2Cut.clear();
fTrackChi2Cut.resize(1,100.0);
fTrackChi2CutHitQuality.clear();
fTrackChi2CutHitQuality.resize(1,100.0);
fSigma_hitpos = 0.0001; //100 um
fMultiTrackSearch = false;
// set defaults for constraint points and constraint widths:
fConstraintPoint_Front.clear();
fConstraintPoint_Back.clear();
fConstraintPoint_Front.push_back( TVector3(0,0,-10.0) );
fConstraintPoint_Back.push_back( TVector3(0,0,10.0) );
// fConstraintPoint_Front.SetXYZ(0,0,-10.0);
// fConstraintPoint_Back.SetXYZ(0,0,10.0);
//wide-open constraints for now (the units are meters here (mm or cm would be more natural but whatever))
fConstraintWidth_Front.Set(1.5, 0.5);
fConstraintWidth_Back.Set(1.5, 0.5);
//Default to wide-open track slope cuts:
fConstraintWidth_theta = 1000.0;
fConstraintWidth_phi = 1000.0;
fEfficiencyInitialized = false;
fMakeEfficiencyPlots = true;
fModulesInitialized = false;
fpedfilename = "";
fcmfilename = "";
fBinSize_efficiency2D = 0.01; //1 cm
fBinSize_efficiency1D = 0.003; //3 mm
fDumpGeometryInfo = false;
fIsSpectrometerTracker = true; //default to true
fIsPolarimeterTracker = false;
fMultiTrackSearch = false;
fUseOpticsConstraint = false;
//fUseFrontTrackerConstraint =false;
fNegSignalStudy = false;
fPmin_track = 0.5; //GeV
fPmax_track = 11.0; //GeV
//set defaults for these parameters fairly wide-open:
fxptarmin_track = -0.5;
fxptarmax_track = 0.5;
fyptarmin_track = -0.25;
fyptarmax_track = 0.25;
fytarmin_track = -0.3; //m
fytarmax_track = 0.3; //m
fUseSlopeConstraint = false;
fxpfpmin = -0.5;
fxpfpmax = 0.5;
fypfpmin = -0.2;
fypfpmax = 0.2;
fCommonModePlotsFlag = 0;
fCommonModePlotsFlagIsSet = false;
fUseForwardOpticsConstraint = false;
//default values for forward optics constraint center and width:
fdxfp0 = fdyfp0 = fdxpfp0 = fdypfp0 = 0.0;
fdxfpcut = 0.05;
fdyfpcut = 0.05;
fdxpfpcut = 0.01;
fdypfpcut = 0.01;
fUseTrigTime = false;
fSigmaTrackT0 = 5.0;
fCutTrackT0 = 1000.0; //default to some large value
fNonTrackingMode = false;
fNonTrackingMode_DBoverride = false;
}
SBSGEMTrackerBase::~SBSGEMTrackerBase(){
//This is best done here to ensure fModules still exists when it is cleared
DeleteContainer(fModules);
}
void SBSGEMTrackerBase::Clear(){ //Clear out any event-specific stuff
//Also, when we construct the tracker, we want to clear out the modules:
//fModules.clear(); we actually DON'T want to clear out the modules here, this gets called event-by-event
//fConstraintPoint_Front_IsInitialized = false;
//fConstraintPoint_Back_IsInitialized = false;
// fConstraintWidth_Front_IsInitialized = false;
// fConstraintWidth_Back_IsInitialized = false;
//fConstraintInitialized = false;
//fConstraintPoint_Front.clear();
//fConstraintPoint_Back.clear();
// fConstraintWidth_Front.clear();
// fConstraintWidth_Back.clear();
//Don't clear constraint widths for "theta" and "phi" as these
fNtracks_found = 0;
fNhitsOnTrack.clear();
fNgoodhitsOnTrack.clear();
fModListTrack.clear();
fHitListTrack.clear();
fresidu_hits.clear();
fresidv_hits.clear();
feresidu_hits.clear();
feresidv_hits.clear();
fXtrack.clear();
fYtrack.clear();
fXptrack.clear();
fYptrack.clear();
fT0track.clear();
fChi2Track.clear();
fChi2TrackHitQuality.clear();
fNgoodhits = 0;
fHitTrackIndex.clear();
fHitModule.clear();
fHitLayer.clear();
fHitNstripsU.clear();
fHitUstripMax.clear();
fHitUstripLo.clear();
fHitUstripHi.clear();
fHitNstripsV.clear();
fHitVstripMax.clear();
fHitVstripLo.clear();
fHitVstripHi.clear();
fHitUlocal.clear();
fHitVlocal.clear();
fHitXlocal.clear();
fHitYlocal.clear();
fHitXglobal.clear();
fHitYglobal.clear();
fHitZglobal.clear();
fHitUmoment.clear();
fHitVmoment.clear();
fHitUsigma.clear();
fHitVsigma.clear();
fHitResidU.clear();
fHitResidV.clear();
fHitEResidU.clear();
fHitEResidV.clear();
fHitUADC.clear();
fHitVADC.clear();
//
fHitUADCclust_deconv.clear();
fHitVADCclust_deconv.clear();
fHitUADCclust_maxsamp_deconv.clear();
fHitVADCclust_maxsamp_deconv.clear();
fHitUADCclust_maxcombo_deconv.clear();
fHitVADCclust_maxcombo_deconv.clear();
//
fHitUADCmaxstrip.clear();
fHitVADCmaxstrip.clear();
fHitUADCmaxstrip_deconv.clear();
fHitVADCmaxstrip_deconv.clear();
fHitUADCmaxcombo_deconv.clear();
fHitVADCmaxcombo_deconv.clear();
fHitUADCmaxsample.clear();
fHitVADCmaxsample.clear();
fHitUADCmaxsample_deconv.clear();
fHitVADCmaxsample_deconv.clear();
fHitUADCmaxclustsample.clear();
fHitVADCmaxclustsample.clear();
fHitUgain.clear();
fHitVgain.clear();
fHitADCasym.clear();
fHitADCavg.clear();
fHitADCasym_deconv.clear();
fHitADCavg_deconv.clear();
fHitUTime.clear();
fHitVTime.clear();
fHitUTimeDeconv.clear();
fHitVTimeDeconv.clear();
fHitUTimeFit.clear();
fHitVTimeFit.clear();
fHitUTimeMaxStrip.clear();
fHitVTimeMaxStrip.clear();
fHitUTimeMaxStripFit.clear();
fHitVTimeMaxStripFit.clear();
fHitUTimeMaxStripDeconv.clear();
fHitVTimeMaxStripDeconv.clear();
fHitDeltaT.clear();
fHitTavg.clear();
fHitDeltaTDeconv.clear();
fHitTavgDeconv.clear();
fHitDeltaTFit.clear();
fHitTavgFit.clear();
fHitTavgCorrected.clear();
fHitIsampMaxUclust.clear();
fHitIsampMaxVclust.clear();
fHitIsampMaxUstrip.clear();
fHitIsampMaxVstrip.clear();
fHitIsampMaxUstripDeconv.clear();
fHitIsampMaxVstripDeconv.clear();
fHitIcomboMaxUstripDeconv.clear();
fHitIcomboMaxVstripDeconv.clear();
fHitIsampMaxUclustDeconv.clear();
fHitIsampMaxVclustDeconv.clear();
fHitIcomboMaxUclustDeconv.clear();
fHitIcomboMaxVclustDeconv.clear();
fHitCorrCoeffClust.clear();
fHitCorrCoeffMaxStrip.clear();
fHitCorrCoeffClustDeconv.clear();
fHitCorrCoeffMaxStripDeconv.clear();
fHitU_ENABLE_CM.clear();
fHitU_CM_GOOD.clear();
fHitU_BUILD_ALL_SAMPLES.clear();
fHitV_ENABLE_CM.clear();
fHitV_CM_GOOD.clear();
fHitV_BUILD_ALL_SAMPLES.clear();
fHitADCfrac0_MaxUstrip.clear();
fHitADCfrac1_MaxUstrip.clear();
fHitADCfrac2_MaxUstrip.clear();
fHitADCfrac3_MaxUstrip.clear();
fHitADCfrac4_MaxUstrip.clear();
fHitADCfrac5_MaxUstrip.clear();
fHitADCfrac0_MaxVstrip.clear();
fHitADCfrac1_MaxVstrip.clear();
fHitADCfrac2_MaxVstrip.clear();
fHitADCfrac3_MaxVstrip.clear();
fHitADCfrac4_MaxVstrip.clear();
fHitADCfrac5_MaxVstrip.clear();
fHitDeconvADC0_MaxUstrip.clear();
fHitDeconvADC1_MaxUstrip.clear();
fHitDeconvADC2_MaxUstrip.clear();
fHitDeconvADC3_MaxUstrip.clear();
fHitDeconvADC4_MaxUstrip.clear();
fHitDeconvADC5_MaxUstrip.clear();
fHitDeconvADC0_MaxVstrip.clear();
fHitDeconvADC1_MaxVstrip.clear();
fHitDeconvADC2_MaxVstrip.clear();
fHitDeconvADC3_MaxVstrip.clear();
fHitDeconvADC4_MaxVstrip.clear();
fHitDeconvADC5_MaxVstrip.clear();
fHitTSchi2MaxUstrip.clear();
fHitTSchi2MaxVstrip.clear();
fHitTSprobMaxUstrip.clear();
fHitTSprobMaxVstrip.clear();
fclustering_done = false;
ftracking_done = false;
//fTrigTime = 0.0;
}
//This is called by the Init() methods of derived classes:
void SBSGEMTrackerBase::CompleteInitialization(){
fLayers.clear();
fLayerByIndex.clear();
fNumModulesByLayer.clear();
fModuleListByLayer.clear();
//loop on the array of (initialized) modules and fill out missing info:
bool cm_already_loaded = false;
std::set<int> layersfromDB;
std::map<int,std::set<int> > modlistlayersDB;
for( int imod=0; imod<(int)fModules.size(); imod++ ){
int layer = fModules[imod]->fLayer;
//fLayers.insert( layer );
layersfromDB.insert( layer );
modlistlayersDB[layer].insert( imod );
//fModuleListByLayer[layer].insert( imod );
fModules[imod]->fIsMC = fIsMC;
fModules[imod]->fMakeEfficiencyPlots = fMakeEfficiencyPlots;
fModules[imod]->fPedestalMode = fPedestalMode;
fModules[imod]->fSubtractPedBeforeCommonMode = fSubtractPedBeforeCommonMode;
// std::cout << "Module " << fModules[imod]->GetName() << ": pedestalmode = " << fPedestalMode
// << ", Subtract ped. before common mode = " << fSubtractPedBeforeCommonMode << std::endl;
//fModules[imod]->fZeroSuppress = !fPedestalMode;
//moved "zero suppress" flag to GEMModule
fModules[imod]->fBinSize_efficiency1D = fBinSize_efficiency1D;
fModules[imod]->fBinSize_efficiency2D = fBinSize_efficiency2D;
if( fCommonModePlotsFlagIsSet ){
fModules[imod]->SetMakeCommonModePlots( fCommonModePlotsFlag );
}
if( fMultiTrackSearch || fNonTrackingMode ){
fModules[imod]->fStoreAll1Dclusters = true;
}
for(int iAPV = 0; iAPV < fModules[imod]->fNAPVs_U; iAPV++)
if(fModules[imod]->fCommonModeMeanU[iAPV] > 1.0) cm_already_loaded = true;
}
int layerindex=0;
// this makes sure that all uniquely defined module <--> layer assignments
// map from 0 to Nlayers - 1 regardless of what the user put in the DB:
fLayerByIndex.clear();
fIndexByLayer.clear();
for( auto ilay : layersfromDB ){
fLayers.insert( layerindex );
for ( auto imod : modlistlayersDB[ilay] ){
fModuleListByLayer[layerindex].insert( imod );
fModules[imod]->fLayer = layerindex;
}
//These are no longer necessary but we'll keep them for the moment until changes are debugged:
fIndexByLayer[layerindex] = layerindex;
fLayerByIndex.push_back( layerindex );
fNumModulesByLayer[layerindex] = fModuleListByLayer[layerindex].size();
layerindex++;
}
fNmodules = fModules.size();
fNlayers = fLayers.size();
fNstripsU_layer.resize( fNlayers );
fNstripsV_layer.resize( fNlayers );
fNstripsU_layer_neg.resize( fNlayers );
fNstripsV_layer_neg.resize( fNlayers );
fNstripsU_layer_neg_miss.resize( fNlayers );
fNstripsV_layer_neg_miss.resize( fNlayers );
fNstripsU_layer_neg_hit.resize( fNlayers );
fNstripsV_layer_neg_hit.resize( fNlayers );
fNclustU_layer.resize( fNlayers );
fNclustV_layer.resize( fNlayers );
fNclustU_layer_neg.resize( fNlayers );
fNclustV_layer_neg.resize( fNlayers );
fN2Dhit_layer.resize( fNlayers );
fDidHit_Module.resize( fNmodules );
fShouldHit_Module.resize( fNmodules );
// fIndexByLayer.clear();
// int layerindex=0;
// for(int layer : fLayers){
// fLayerByIndex.push_back( layer ); //this is a vector version of the layer list, unless the user has defined something weird, layer[layerindex] = layerindex for layerindex = 0, ..., Nlayers-1
// fIndexByLayer[layer] = layerindex;
// fNumModulesByLayer[layer] = fModuleListByLayer[layer].size();
// layerindex++;
// }
//make sure the user has defined something sensible:
fMinHitsOnTrack = std::max(3,std::min(fNlayers,fMinHitsOnTrack) );
// Now initialize the min high quality hits and track chi2 cuts if
// the initialization from the database is not sensible:
if( fMinHighQualityHitsOnTrack.size() != fNlayers-fMinHitsOnTrack+1 ){
if( fMinHighQualityHitsOnTrack.size() >= 1 ){
int minhitstemp = std::max(0,std::min(fNlayers, fMinHighQualityHitsOnTrack[0]));
fMinHighQualityHitsOnTrack.clear();
fMinHighQualityHitsOnTrack.resize( fNlayers-fMinHitsOnTrack+1, minhitstemp );
} else { //empty, set default:
fMinHighQualityHitsOnTrack.resize( fNlayers-fMinHitsOnTrack+1, 0 );
}
}
if( fTrackChi2Cut.size() != fNlayers-fMinHitsOnTrack+1 ){
if( fTrackChi2Cut.size() >= 1 ){
double cuttemp = fTrackChi2Cut[0];
fTrackChi2Cut.clear(); //re-initialize all entries with cuttemp:
fTrackChi2Cut.resize( fNlayers-fMinHitsOnTrack+1, cuttemp );
} else { //empty, set default:
fTrackChi2Cut.resize( fNlayers-fMinHitsOnTrack+1, 100.0 );
}
}
if( fTrackChi2CutHitQuality.size() != fNlayers-fMinHitsOnTrack+1 ){
if( fTrackChi2CutHitQuality.size() >= 1 ){
double cuttemp = fTrackChi2CutHitQuality[0];
fTrackChi2CutHitQuality.clear(); //re-initialize all entries with cuttemp:
fTrackChi2CutHitQuality.resize( fNlayers-fMinHitsOnTrack+1, cuttemp );
} else { //empty, set default:
fTrackChi2CutHitQuality.resize( fNlayers-fMinHitsOnTrack+1, 100.0 );
}
}
InitLayerCombos();
InitGridBins();
// Now make the "hit list" arrays at least fixed-size in terms of the number of layers
N2Dhits_layer.resize( fNlayers );
modindexhit2D.resize( fNlayers );
clustindexhit2D.resize( fNlayers );
hitused2D.resize( fNlayers );
gridbinhit2D.resize( fNlayers );
// size "free hit" list arrays:
Nfreehits_layer.resize( fNlayers );
freehitlist_layer.resize( fNlayers );
Nfreehits_binxy_layer.resize( fNlayers );
freehitlist_binxy_layer.resize( fNlayers );
binswithfreehits_layer.resize( fNlayers );
freehitlist_goodxy.resize( fNlayers );
for( int ilayer=0; ilayer<fNlayers; ilayer++ ){
int ngridbins = fGridNbinsX_layer[ilayer]*fGridNbinsY_layer[ilayer];
Nfreehits_binxy_layer[ilayer].resize( ngridbins );
freehitlist_binxy_layer[ilayer].resize( ngridbins );
}
if( !fpedfilename.empty() ){ //load pedestals from file; NOTE: This OVERRIDES any pedestals found in the database
//NOTE: if we load the pedestals from a file formatted in the way the DAQ wants, then we have to assume that SLOT, MPD_ID, and ADC_CH are sufficient to uniquely identify
LoadPedestals( fpedfilename.c_str() );
}
if( !fcmfilename.empty() && !cm_already_loaded){ //load CM from file; NOTE: This OVERRIDES any pedestals found in the database
if(!cm_already_loaded) LoadCM( fcmfilename.c_str() );
}
}
void SBSGEMTrackerBase::LoadPedestals( const char *fname ){
std::cout << "[SBSGEMTrackerBase::LoadPedestals]: fname = " << fname << std::endl;
TString pedfilename = fname;
TString prefix = std::getenv("DB_DIR");
prefix += "/";
if( gSystem->AccessPathName( fname ) ){ //
std::cout << "[SBSGEMTrackerBase::LoadPedestals]: could not find " << fname << " in working directory, looking in " << prefix << std::endl;
pedfilename.Prepend(prefix);
}
std::ifstream pedfile( pedfilename.Data() );
if( !pedfile.good() ){
pedfile.close();
std::cout << "Warning: could not find ped file " << fname << " in working directory or in " << prefix << ", pedestals not loaded" << std::endl;
return;
} else {
std::cout << "Found pedestal file " << pedfilename << endl;
}
//temporary storage for pedestals loaded from file:
//vector<int> Slot, MPD, ADC_ch, APV_ch;
//vector<double> pedmean, pedrms;
//let's define a unique index as
// index = apvchan + 128*adc_ch + 16*128*MPD +
//map by slot, MPD, and adc_ch
//std::map<int, std::map<int,std::vector<int> > > Slot;
std::map<int, std::map<int, std::map<int,std::vector<double> > > > PedMean;
std::map<int, std::map<int, std::map<int,std::vector<double> > > > PedRMS;
std::map<int, std::map<int, std::map<int,std::vector<int> > > > APVChan;
// std::map<int, std::map<int,std::vector<int> > > APVChan;
//parse the file: Let's do this a bit more intelligently using TString:
std::string currentline;
int crate=0, slot=0, mpd=0, adc_ch=0;
while( std::getline(pedfile, currentline) ){
//TString currentline;
if( pedfile.eof() ) break;
if( currentline[0] != '#' ){
std::istringstream is(currentline);
string dummy;
if ( currentline.find("APV") == 0 ){
is >> dummy >> crate >> slot >> mpd >> adc_ch;
//std::cout << "crate, slot, mpd, adc_ch = " << crate << ", " << slot << ", " << mpd << ", " << adc_ch << std::endl;
} else {
int index = adc_ch + 16*mpd;
int apvchan;
double mean, rms;
//for( UInt_t i=0; i<128; i++ ){
is >> apvchan >> mean >> rms;
//std::cout << "apvchan, mean, rms = " << apvchan << ", " << mean << ", " << rms << std::endl;
PedMean[crate][slot][index].push_back( mean );
PedRMS[crate][slot][index].push_back( rms );
APVChan[crate][slot][index].push_back( apvchan );
// std::cout << "mapped value of (apvchan, mean, rms) = ( "
// << APVChan[crate][slot][index].back() << ", "
// << PedMean[crate][slot][index].back() << ", "
// << PedRMS[crate][slot][index].back() << ")" << std::endl;
}
}
}
//Now loop over the modules
for( int module=0; module<fNmodules; module++ ){
for ( auto it = fModules[module]->fMPDmap.begin(); it != fModules[module]->fMPDmap.end(); ++it ){
int this_crate = it->crate;
int this_index = it->adc_id + 16 * it->mpd_id;
int this_slot = it->slot;
//std::cout << "(crate, slot, index)=(" << this_crate << ", " << this_slot << ", " << this_index << ")" << std::endl;
if( PedMean.find( this_crate ) != PedMean.end() ){
//std::cout << "found crate " << this_crate << std::endl;
if( PedMean[this_crate].find( this_slot ) != PedMean[this_crate].end() ){
//std::cout << "found slot " << this_slot << std::endl;
if( PedMean[this_crate][this_slot].find( this_index ) != PedMean[this_crate][this_slot].end() ){
//std::cout << "found index " << this_index << std::endl;
for( int i=0; i<128; i++ ){
int this_apvchan = APVChan[this_crate][this_slot][this_index][i];
double this_mean = PedMean[this_crate][this_slot][this_index][i];
double this_rms = PedRMS[this_crate][this_slot][this_index][i];
int this_strip = fModules[module]->GetStripNumber( this_apvchan, it->pos, it->invert );
// std::cout << "axis, strip index, ped. mean, ped. rms = "
// << it->axis << ", " << this_strip << ", " << this_mean << ", " << this_rms
// << std::endl;
if ( it->axis == SBSGEM::kUaxis ){
fModules[module]->fPedestalU[this_strip] = this_mean;
fModules[module]->fPedRMSU[this_strip] = this_rms;
} else {
fModules[module]->fPedestalV[this_strip] = this_mean;
fModules[module]->fPedRMSV[this_strip] = this_rms;
}
}
}
}
}
}
}
}
void SBSGEMTrackerBase::LoadCM( const char *fname ){
std::cout << "[SBSGEMTrackerBase::LoadCM]: fname = " << fname << std::endl;
TString cmfilename = fname;
TString prefix = std::getenv("DB_DIR");
prefix += "/";
if( gSystem->AccessPathName( fname ) ){ //
std::cout << "[SBSGEMTrackerBase::LoadCM]: could not find " << fname << " in working directory, looking in " << prefix << std::endl;
cmfilename.Prepend(prefix);
}
std::ifstream cmfile( cmfilename.Data() );
if( !cmfile.good() ){
cmfile.close();
std::cout << "Warning: could not find CM file " << fname << " in working directory or in " << prefix << ", CM not loaded" << std::endl;
return;
} else {
std::cout << "Found CM file " << cmfilename << endl;
}
std::map<int, std::map<int, std::map<int,double > > > CMMean;
std::map<int, std::map<int, std::map<int,double > > > CMRMS;
std::string currentline;
int crate=0, slot=0, mpd=0, adc_ch=0;
double db_mean, db_rms;
while( std::getline(cmfile, currentline) ){
//TString currentline;
if( cmfile.eof() ) break;
std::istringstream is(currentline);
//File is formated like crate, slot, mpd, adc_ch, CM mean, CM RMS
is >> crate >> slot >> mpd >> adc_ch >> db_mean >> db_rms;
int index = adc_ch + 16*mpd;
//Assign CM mean and RMS for ever APV
CMMean[crate][slot][index] = db_mean;
CMRMS[crate][slot][index] = db_rms;
}
//Loop over all modules and APVs
for( int module=0; module<fNmodules; module++ ){
for ( auto it = fModules[module]->fMPDmap.begin(); it != fModules[module]->fMPDmap.end(); ++it ){
int this_crate = it->crate;
int this_index = it->adc_id + 16 * it->mpd_id;
int this_slot = it->slot;
int this_apv = it->pos; //This is the APV position used in the analyis
//std::cout << "(crate, slot, index)=(" << this_crate << ", " << this_slot << ", " << this_index << ")" << std::endl;
if( CMMean.find( this_crate ) != CMMean.end() ){
//std::cout << "found crate " << this_crate << std::endl;
if( CMMean[this_crate].find( this_slot ) != CMMean[this_crate].end() ){
//std::cout << "found slot " << this_slot << std::endl;
if( CMMean[this_crate][this_slot].find( this_index ) != CMMean[this_crate][this_slot].end() ){
//std::cout << "found index " << this_index << std::endl;
double this_mean = CMMean[this_crate][this_slot][this_index];
double this_rms = CMRMS[this_crate][this_slot][this_index];
//Set module APVs CM values from the arrays from the DB file
if ( it->axis == SBSGEM::kUaxis ){
fModules[module]->fCommonModeMeanU[this_apv] = this_mean;
fModules[module]->fCommonModeRMSU[this_apv] = this_rms;
} else {
fModules[module]->fCommonModeMeanV[this_apv] = this_mean;
fModules[module]->fCommonModeRMSV[this_apv] = this_rms;
}
}
}
}
}
}
}
void SBSGEMTrackerBase::InitEfficiencyHistos(const char *dname){
if( fMakeEfficiencyPlots && !fEfficiencyInitialized ){
//Here is the place to book efficiency histograms by layer:
hdidhit_x_layer = new TClonesArray( "TH1D", fNlayers );
hdidhit_y_layer = new TClonesArray( "TH1D", fNlayers );
hdidhit_xy_layer = new TClonesArray( "TH2D", fNlayers );
hshouldhit_x_layer = new TClonesArray( "TH1D", fNlayers );
hshouldhit_y_layer = new TClonesArray( "TH1D", fNlayers );
hshouldhit_xy_layer = new TClonesArray( "TH2D", fNlayers );
hefficiency_x_layer = new TClonesArray( "TH1D", fNlayers );
hefficiency_y_layer = new TClonesArray( "TH1D", fNlayers );
hefficiency_xy_layer = new TClonesArray( "TH2D", fNlayers );
hdidnothit_x_layer = new TClonesArray( "TH1D", fNlayers );
hdidnothit_y_layer = new TClonesArray( "TH1D", fNlayers );
hdidhit_x_layer = new TClonesArray( "TH1D", fNlayers );
hdidhit_y_layer = new TClonesArray( "TH1D", fNlayers );
hdidhit_fullreadout_x_layer = new TClonesArray( "TH1D", fNlayers );
hdidhit_fullreadout_y_layer = new TClonesArray( "TH1D", fNlayers );
hneghit_x_layer = new TClonesArray( "TH1D", fNlayers );
hneghit_y_layer = new TClonesArray( "TH1D", fNlayers );
hneghit1D_x_layer = new TClonesArray( "TH1D", fNlayers );
hneghit1D_y_layer = new TClonesArray( "TH1D", fNlayers );
hneghit_good_x_layer = new TClonesArray( "TH1D", fNlayers );
hneghit_good_y_layer = new TClonesArray( "TH1D", fNlayers );
hneghit_good1D_x_layer = new TClonesArray( "TH1D", fNlayers );
hneghit_good1D_y_layer = new TClonesArray( "TH1D", fNlayers );
TString histname;
TString detname = dname;
detname.ReplaceAll(".","_");
for( int ilayer=0; ilayer<fNlayers; ilayer++ ){
int nbinsx1D = int( round( (fXmax_layer[ilayer]-fXmin_layer[ilayer] + 0.02)/fBinSize_efficiency1D ) );
int nbinsy1D = int( round( (fYmax_layer[ilayer]-fYmin_layer[ilayer] + 0.02)/fBinSize_efficiency1D ) );
int nbinsx2D = int( round( (fXmax_layer[ilayer]-fXmin_layer[ilayer] + 0.02)/fBinSize_efficiency2D ) );
int nbinsy2D = int( round( (fYmax_layer[ilayer]-fYmin_layer[ilayer] + 0.02)/fBinSize_efficiency2D ) );
//TODO: don't hard-code the number of bins for these histograms:
new( (*hdidhit_x_layer)[ilayer] ) TH1D( histname.Format( "hdidhit_x_%s_layer%d", detname.Data(), ilayer ), "x of hits on good tracks (m); x(m)", nbinsx1D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer] + 0.01 );
new( (*hdidhit_y_layer)[ilayer] ) TH1D( histname.Format( "hdidhit_y_%s_layer%d", detname.Data(), ilayer ), "y of hits on good tracks (m); y(m)", nbinsy1D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer] + 0.01 );
new( (*hdidhit_xy_layer)[ilayer] ) TH2D( histname.Format( "hdidhit_xy_%s_layer%d", detname.Data(), ilayer ), "x vs y of hits on good tracks (m); y(m); x(m)",
nbinsy2D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer]+0.01,
nbinsx2D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer]+0.01 );
new( (*hshouldhit_x_layer)[ilayer] ) TH1D( histname.Format( "hshouldhit_x_%s_layer%d", detname.Data(), ilayer ), "x of good track crossing layer (m); x(m)", nbinsx1D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer] + 0.01 );
new( (*hshouldhit_y_layer)[ilayer] ) TH1D( histname.Format( "hshouldhit_y_%s_layer%d", detname.Data(), ilayer ), "y of good track crossing layer (m); y(m)", nbinsy1D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer] + 0.01 );
new( (*hshouldhit_xy_layer)[ilayer] ) TH2D( histname.Format( "hshouldhit_xy_%s_layer%d", detname.Data(), ilayer ), "x vs y of good track crossing layer (m); y(m); x(m)",
nbinsy2D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer]+0.01,
nbinsx2D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer]+0.01 );
new( (*hefficiency_x_layer)[ilayer] ) TH1D( histname.Format( "hefficiency_x_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs x (m), averaged over y; x(m); efficiency", nbinsx1D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer] + 0.01 );
new( (*hefficiency_y_layer)[ilayer] ) TH1D( histname.Format( "hefficiency_y_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs y (m), averaged over x; y(m); efficiency", nbinsy1D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer] + 0.01 );
new( (*hefficiency_xy_layer)[ilayer] ) TH2D( histname.Format( "hefficiency_xy_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs x, y; y(m); x(m)",
nbinsy2D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer]+0.01,
nbinsx2D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer]+0.01 );
new( (*hdidnothit_x_layer)[ilayer] ) TH1D( histname.Format( "hdidnothit_x_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs x (m), averaged over y; x(m); efficiency", nbinsx1D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer] + 0.01 );
new( (*hdidnothit_y_layer)[ilayer] ) TH1D( histname.Format( "hdidnothit_y_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs y (m), averaged over x; y(m); efficiency", nbinsy1D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer] + 0.01 );
new( (*hdidhit_fullreadout_x_layer)[ilayer] ) TH1D( histname.Format( "hdidhit_fullreadout_x_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs x (m), averaged over y; x(m); efficiency", nbinsx1D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer] + 0.01 );
new( (*hdidhit_fullreadout_y_layer)[ilayer] ) TH1D( histname.Format( "hdidhit_fullreadout_y_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs y (m), averaged over x; y(m); efficiency", nbinsy1D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer] + 0.01 );
new( (*hneghit_x_layer)[ilayer] ) TH1D( histname.Format( "hneghit_x_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs x (m), averaged over y; x(m); efficiency", nbinsx1D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer] + 0.01 );
new( (*hneghit_y_layer)[ilayer] ) TH1D( histname.Format( "hneghit_y_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs y (m), averaged over x; y(m); efficiency", nbinsy1D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer] + 0.01 );
new( (*hneghit1D_x_layer)[ilayer] ) TH1D( histname.Format( "hneghit1D_x_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs x (m), averaged over y; x(m); efficiency", nbinsx1D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer] + 0.01 );
new( (*hneghit1D_y_layer)[ilayer] ) TH1D( histname.Format( "hneghit1D_y_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs y (m), averaged over x; y(m); efficiency", nbinsy1D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer] + 0.01 );
new( (*hneghit_good_x_layer)[ilayer] ) TH1D( histname.Format( "hneghit_good_x_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs x (m), averaged over y; x(m); efficiency", nbinsx1D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer] + 0.01 );
new( (*hneghit_good_y_layer)[ilayer] ) TH1D( histname.Format( "hneghit_good_y_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs y (m), averaged over x; y(m); efficiency", nbinsy1D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer] + 0.01 );
new( (*hneghit_good1D_x_layer)[ilayer] ) TH1D( histname.Format( "hneghit_good1D_x_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs x (m), averaged over y; x(m); efficiency", nbinsx1D, fXmin_layer[ilayer]-0.01, fXmax_layer[ilayer] + 0.01 );
new( (*hneghit_good1D_y_layer)[ilayer] ) TH1D( histname.Format( "hneghit_good1D_y_%s_layer%d", detname.Data(), ilayer ), "track-based efficiency vs y (m), averaged over x; y(m); efficiency", nbinsy1D, fYmin_layer[ilayer]-0.01, fYmax_layer[ilayer] + 0.01 );
}
fEfficiencyInitialized = true;
}
}
void SBSGEMTrackerBase::CalcEfficiency(){
if( !fMakeEfficiencyPlots ) return;
TString histname;
for( int i=0; i<fNlayers; i++ ){
( (TH1D*) (*hefficiency_x_layer)[i] )->Divide( ( (TH1D*) (*hdidhit_x_layer)[i] ), ( (TH1D*) (*hshouldhit_x_layer)[i] ) );
( (TH1D*) (*hefficiency_y_layer)[i] )->Divide( ( (TH1D*) (*hdidhit_y_layer)[i] ), ( (TH1D*) (*hshouldhit_y_layer)[i] ) );
( (TH2D*) (*hefficiency_xy_layer)[i] )->Divide( ( (TH2D*) (*hdidhit_xy_layer)[i] ), ( (TH2D*) (*hshouldhit_xy_layer)[i] ) );
}
}
//This only needs to be done ONCE (after loading the geometry from the database!)
void SBSGEMTrackerBase::InitLayerCombos() { //It is assumed that this will be called by the ReadDatabase/Init method of the derived classes after loading the necessary information from the database:
//Just in case:
fLayerCombinations.clear();
//Initialize the list of layer combinations by total number of layers on the combo:
for( int icombo=0; icombo<pow(2,fNlayers); icombo++ ){ //loop over all possible combinations of layers:
vector<int> layercombo; //temporary array to hold list of layers fired in combo
int nlayersoncombo=0; //count number of fired layers in combo
for( int ilayer=0; ilayer<fNlayers; ilayer++ ){ //loop over all layers
int testbit = pow(2,ilayer);
if( (testbit & icombo) != 0 ){ //bitwise AND of icombo and 2^ilayer nonzero:
nlayersoncombo++; //this layer is on the combo
layercombo.push_back( ilayer ); //add it to the list on this combo
}
}
if( nlayersoncombo >= fMinHitsOnTrack ){ //Only consider combinations of layers with at least the minimum number required
fLayerCombinations[nlayersoncombo].push_back( layercombo ); //Add this combo to the list of combos, mapped by the number of layers in the combination:
}
}
}
void SBSGEMTrackerBase::InitGridBins() {
//we assume that the database has already been read and the module geometry is already specified here:
//Loop over layers and modules within each layer, and set the size of the active area by layer:
//clear out any existing data, just in case:
fXmin_layer.clear();
fXmax_layer.clear();
fYmin_layer.clear();
fYmax_layer.clear();
fGridNbinsX_layer.clear();
fGridNbinsY_layer.clear();
//
fGridXmin_layer.clear();
fGridXmax_layer.clear();
fGridYmin_layer.clear();
fGridYmax_layer.clear();
for( int ilayer = 0; ilayer<fNlayers; ilayer++ ){
int layer = fLayerByIndex[ilayer];
std::set<int> modlist_layer = fModuleListByLayer[layer];
//Initialize grid active area for this layer:
double xgmin_all = 1.e12, ygmin_all = 1.e12, xgmax_all = -1.e12, ygmax_all = -1.e12;
double zsum = 0.0;
for( auto imod = modlist_layer.begin(); imod != modlist_layer.end(); ++imod ){
int module = *imod; //if the database is sensibly constructed, this should refer to the index in the array of modules:
SBSGEMModule *mtemp = fModules[module];
//Get origin coordinates:
TVector3 modpos = mtemp->GetOrigin();
//computation of average Z coordinate of modules in this layer:
zsum += modpos.Z();
//Get half-width of module along X and Y:
double Lx_mod = mtemp->GetXSize()/2.0;
double Ly_mod = mtemp->GetYSize()/2.0;
//get positions of the four corners of the active area (which is assumed rectangular for SBS GEMs):
TVector3 Corner1 = modpos - Lx_mod * mtemp->GetXax() - Ly_mod * mtemp->GetYax();
TVector3 Corner2 = modpos + Lx_mod * mtemp->GetXax() - Ly_mod * mtemp->GetYax();
TVector3 Corner3 = modpos - Lx_mod * mtemp->GetXax() + Ly_mod * mtemp->GetYax();
TVector3 Corner4 = modpos + Lx_mod * mtemp->GetXax() + Ly_mod * mtemp->GetYax();
//Check all four corners even though ONLY corners 1 and 3 are likely to define the minimum X
xgmin_all = Corner1.X() < xgmin_all ? Corner1.X() : xgmin_all;
xgmin_all = Corner2.X() < xgmin_all ? Corner2.X() : xgmin_all;
xgmin_all = Corner3.X() < xgmin_all ? Corner3.X() : xgmin_all;
xgmin_all = Corner4.X() < xgmin_all ? Corner4.X() : xgmin_all;
//Check all four corners even though ONLY corners 2 and 4 are likely to define the maximum X
xgmax_all = Corner1.X() > xgmax_all ? Corner1.X() : xgmax_all;
xgmax_all = Corner2.X() > xgmax_all ? Corner2.X() : xgmax_all;
xgmax_all = Corner3.X() > xgmax_all ? Corner3.X() : xgmax_all;
xgmax_all = Corner4.X() > xgmax_all ? Corner4.X() : xgmax_all;
//Check all four corners even though ONLY corners 1 and 2 are likely to define the minimum Y
ygmin_all = Corner1.Y() < ygmin_all ? Corner1.Y() : ygmin_all;
ygmin_all = Corner2.Y() < ygmin_all ? Corner2.Y() : ygmin_all;
ygmin_all = Corner3.Y() < ygmin_all ? Corner3.Y() : ygmin_all;
ygmin_all = Corner4.Y() < ygmin_all ? Corner4.Y() : ygmin_all;
//Check all four corners even though ONLY corners 3 and 4 are likely to define the maximum Y
ygmax_all = Corner1.Y() > ygmax_all ? Corner1.Y() : ygmax_all;
ygmax_all = Corner2.Y() > ygmax_all ? Corner2.Y() : ygmax_all;
ygmax_all = Corner3.Y() > ygmax_all ? Corner3.Y() : ygmax_all;
ygmax_all = Corner4.Y() > ygmax_all ? Corner4.Y() : ygmax_all;
fXmin_layer[layer] = xgmin_all;
fXmax_layer[layer] = xgmax_all;
fYmin_layer[layer] = ygmin_all;
fYmax_layer[layer] = ygmax_all;
} //end loop over list of modules in this layer
fZavgLayer[layer] = zsum/double( modlist_layer.size() );
fGridXmin_layer[layer] = fXmin_layer[layer] - 0.5*fGridBinWidthX;
int nbinsx = 0;
while( fGridXmin_layer[layer] + nbinsx * fGridBinWidthX < fXmax_layer[layer] + 0.5*fGridBinWidthX ){
nbinsx++;
}
fGridXmax_layer[layer] = fGridXmin_layer[layer] + nbinsx * fGridBinWidthX;
fGridNbinsX_layer[layer] = nbinsx;
fGridYmin_layer[layer] = fYmin_layer[layer] - 0.5*fGridBinWidthY;
int nbinsy = 0;
while( fGridYmin_layer[layer] + nbinsy * fGridBinWidthY < fYmax_layer[layer] + 0.5*fGridBinWidthY ){
nbinsy++;
}
fGridYmax_layer[layer] = fGridYmin_layer[layer] + nbinsy * fGridBinWidthY;
fGridNbinsY_layer[layer] = nbinsy;
} //end loop over layers
}
//Initialize the "hit list" arrays that are used by the track-finding algorithm: these arrays are UNCHANGING throughout the iterations of track-finding:
Double_t SBSGEMTrackerBase::InitHitList(){
//clear out any old information:
layers_with_2Dhits.clear();
layerswithfreehits.clear();
Double_t ncombos_all_layers=1;
for( int layer=0; layer<fNlayers; layer++ ){
//for speed, we want to resize all the hit list arrays to their maximum possible size (for this event) and
// then use operator[] to fill rather than push_back(), which is much slower:
//First, count the number of hits in this layer; that will also be the
//maximum possible size of the "free hit list by layer" and "hit list" arrays
int n2Dhits_tot = 0;
for( auto imod = fModuleListByLayer[layer].begin(); imod != fModuleListByLayer[layer].end(); ++imod ){
int module = *imod;
n2Dhits_tot += fModules[module]->fN2Dhits;
}
//std::cout << "layer, n2Dhits_tot = " << layer << ", " << n2Dhits_tot << std::endl;
modindexhit2D[layer].resize( n2Dhits_tot );
clustindexhit2D[layer].resize( n2Dhits_tot );
hitused2D[layer].resize( n2Dhits_tot );
gridbinhit2D[layer].resize( n2Dhits_tot );
freehitlist_layer[layer].resize( n2Dhits_tot );