-
Stephen A. Wood authoredStephen A. Wood authored
THcShower.cxx 25.75 KiB
///////////////////////////////////////////////////////////////////////////////
// //
// THcShower //
// //
// Shower counter class, describing a generic segmented shower detector. //
// //
// //
// //
// //
///////////////////////////////////////////////////////////////////////////////
#include "THcShower.h"
#include "THcShowerCluster.h"
#include "THaEvData.h"
#include "THaDetMap.h"
#include "THcDetectorMap.h"
#include "THcGlobals.h"
#include "THaCutList.h"
#include "THcParmList.h"
#include "VarDef.h"
#include "VarType.h"
#include "THaTrack.h"
#include "TClonesArray.h"
#include "THaTrackProj.h"
#include "TMath.h"
#include "THaTrackProj.h"
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <iostream>
using namespace std;
//_____________________________________________________________________________
THcShower::THcShower( const char* name, const char* description,
THaApparatus* apparatus ) :
THaNonTrackingDetector(name,description,apparatus)
{
// Constructor
// fTrackProj = new TClonesArray( "THaTrackProj", 5 );
fNLayers = 0; // No layers until we make them
}
//_____________________________________________________________________________
THcShower::THcShower( ) :
THaNonTrackingDetector()
{
// Constructor
}
void THcShower::Setup(const char* name, const char* description)
{
char prefix[2];
prefix[0] = tolower(GetApparatus()->GetName()[0]);
prefix[1] = '\0';
string layernamelist;
DBRequest list[]={
{"cal_num_layers", &fNLayers, kInt},
{"cal_layer_names", &layernamelist, kString},
{0}
};
cout << "THcShower::Setup called " << GetName() << endl;
gHcParms->LoadParmValues((DBRequest*)&list,prefix); cout << layernamelist << endl;
cout << "Shower Counter: " << fNLayers << " layers" << endl;
vector<string> layer_names = vsplit(layernamelist);
if(layer_names.size() != (UInt_t) fNLayers) {
cout << "ERROR: Number of layers " << fNLayers
<< " doesn't agree with number of layer names "
<< layer_names.size() << endl;
// Should quit. Is there an official way to quit?
}
fLayerNames = new char* [fNLayers];
for(Int_t i=0;i<fNLayers;i++) {
fLayerNames[i] = new char[layer_names[i].length()];
strcpy(fLayerNames[i], layer_names[i].c_str());
}
char *desc = new char[strlen(description)+100];
fPlanes = new THcShowerPlane* [fNLayers];
for(Int_t i=0;i < fNLayers;i++) {
strcpy(desc, description);
strcat(desc, " Plane ");
strcat(desc, fLayerNames[i]);
fPlanes[i] = new THcShowerPlane(fLayerNames[i], desc, i+1, this);
cout << "Created Shower Plane " << fLayerNames[i] << ", " << desc << endl;
}
cout << "THcShower::Setup Return " << GetName() << endl;
}
//_____________________________________________________________________________
THaAnalysisObject::EStatus THcShower::Init( const TDatime& date )
{
static const char* const here = "Init()";
cout << "THcShower::Init " << GetName() << endl;
Setup(GetName(), GetTitle());
// Should probably put this in ReadDatabase as we will know the
// maximum number of hits after setting up the detector map
THcHitList::InitHitList(fDetMap, "THcRawShowerHit", 100);
EStatus status;
if( (status = THaNonTrackingDetector::Init( date )) )
return fStatus=status;
for(Int_t ip=0;ip<fNLayers;ip++) {
if((status = fPlanes[ip]->Init( date ))) {
return fStatus=status;
}
}
char EngineDID[] = " CAL";
EngineDID[0] = toupper(GetApparatus()->GetName()[0]);
if( gHcDetectorMap->FillMap(fDetMap, EngineDID) < 0 ) {
Error( Here(here), "Error filling detectormap for %s.",
EngineDID);
return kInitError;
}
return fStatus = kOK;
}
//_____________________________________________________________________________Int_t THcShower::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];
// Read data from database
// Pull values from the THcParmList instead of reading a database
// file like Hall A does.
// We will probably want to add some kind of method to gHcParms to allow
// bulk retrieval of parameters of interest.
// Will need to determine which spectrometer in order to construct
// the parameter names (e.g. hscin_1x_nr vs. sscin_1x_nr)
cout << "THcShower::ReadDatabase called " << GetName() << endl;
prefix[0]=tolower(GetApparatus()->GetName()[0]);
prefix[1]='\0';
{
DBRequest list[]={
{"cal_num_neg_columns", &fNegCols, kInt},
{"cal_slop", &fSlop, kDouble},
{"cal_fv_test", &fvTest, kInt},
{"cal_fv_delta", &fvDelta, kDouble},
{"dbg_decoded_cal", &fdbg_decoded_cal, kInt},
{"dbg_sparsified_cal", &fdbg_sparsified_cal, kInt},
{"dbg_clusters_cal", &fdbg_clusters_cal, kInt},
{"dbg_tracks_cal", &fdbg_tracks_cal, kInt},
{0}
};
gHcParms->LoadParmValues((DBRequest*)&list, prefix);
}
cout << "Number of neg. columns = " << fNegCols << endl;
cout << "Slop parameter = " << fSlop << endl;
cout << "Fiducial volume test flag = " << fvTest << endl;
cout << "Fiducial volume excl. width = " << fvDelta << endl;
cout << "Decode debug flag = " << fdbg_decoded_cal << endl;
cout << "Sparsify debug flag = " << fdbg_sparsified_cal << endl;
cout << "Cluster debug flag = " << fdbg_clusters_cal << endl;
cout << "Tracking debug flag = " << fdbg_tracks_cal << endl;
BlockThick = new Double_t [fNLayers];
fNBlocks = new Int_t [fNLayers];
fNLayerZPos = new Double_t [fNLayers];
YPos = new Double_t [2*fNLayers];
for(Int_t i=0;i<fNLayers;i++) {
DBRequest list[]={
{Form("cal_%s_thick",fLayerNames[i]), &BlockThick[i], kDouble},
{Form("cal_%s_nr",fLayerNames[i]), &fNBlocks[i], kInt},
{Form("cal_%s_zpos",fLayerNames[i]), &fNLayerZPos[i], kDouble},
{Form("cal_%s_right",fLayerNames[i]), &YPos[2*i], kDouble},
{Form("cal_%s_left",fLayerNames[i]), &YPos[2*i+1], kDouble},
{0}
};
gHcParms->LoadParmValues((DBRequest*)&list, prefix);
}
//Caution! Z positions (fronts) are off in hcal.param! Correct later on.
XPos = new Double_t* [fNLayers];
for(Int_t i=0;i<fNLayers;i++) { XPos[i] = new Double_t [fNBlocks[i]];
DBRequest list[]={
{Form("cal_%s_top",fLayerNames[i]),XPos[i], kDouble, fNBlocks[i]},
{0}
};
gHcParms->LoadParmValues((DBRequest*)&list, prefix);
}
for(Int_t i=0;i<fNLayers;i++) {
cout << "Plane " << fLayerNames[i] << ":" << endl;
cout << " Block thickness: " << BlockThick[i] << endl;
cout << " NBlocks : " << fNBlocks[i] << endl;
cout << " Z Position : " << fNLayerZPos[i] << endl;
cout << " Y Positions : " << YPos[2*i] << ", " << YPos[2*i+1] <<endl;
cout << " X Positions :";
for(Int_t j=0; j<fNBlocks[i]; j++) {
cout << " " << XPos[i][j];
}
cout << endl;
}
// Fiducial volume limits, based on Plane 1 positions.
//
fvXmin = XPos[0][0] + fvDelta;
fvXmax = XPos[0][fNBlocks[0]-1] + BlockThick[0] - fvDelta;
fvYmin = YPos[0] + fvDelta;
fvYmax = YPos[1] - fvDelta;
cout << "Fiducial volume limits:" << endl;
cout << " Xmin = " << fvXmin << " Xmax = " << fvXmax << endl;
cout << " Ymin = " << fvYmin << " Ymax = " << fvYmax << endl;
//Calibration related parameters (from hcal.param).
fNtotBlocks=0; //total number of blocks
for (Int_t i=0; i<fNLayers; i++) fNtotBlocks += fNBlocks[i];
cout << "Total number of blocks in the calorimeter: " << fNtotBlocks << endl;
//Pedestal limits from hcal.param.
fShPosPedLimit = new Int_t [fNtotBlocks];
fShNegPedLimit = new Int_t [fNtotBlocks];
//Calibration constants
fPosGain = new Double_t [fNtotBlocks];
fNegGain = new Double_t [fNtotBlocks];
//Read in parameters from hcal.param
Double_t hcal_pos_cal_const[fNtotBlocks];
// Double_t hcal_pos_gain_ini[fNtotBlocks];
// Double_t hcal_pos_gain_cur[fNtotBlocks];
// Int_t hcal_pos_ped_limit[fNtotBlocks];
Double_t hcal_pos_gain_cor[fNtotBlocks];
Double_t hcal_neg_cal_const[fNtotBlocks];
// Double_t hcal_neg_gain_ini[fNtotBlocks];
// Double_t hcal_neg_gain_cur[fNtotBlocks];
// Int_t hcal_neg_ped_limit[fNtotBlocks];
Double_t hcal_neg_gain_cor[fNtotBlocks];
DBRequest list[]={
{"cal_pos_cal_const", hcal_pos_cal_const, kDouble, fNtotBlocks},
// {"cal_pos_gain_ini", hcal_pos_gain_ini, kDouble, fNtotBlocks},
// {"cal_pos_gain_cur", hcal_pos_gain_cur, kDouble, fNtotBlocks},
{"cal_pos_ped_limit", fShPosPedLimit, kInt, fNtotBlocks},
{"cal_pos_gain_cor", hcal_pos_gain_cor, kDouble, fNtotBlocks},
{"cal_neg_cal_const", hcal_neg_cal_const, kDouble, fNtotBlocks},
// {"cal_neg_gain_ini", hcal_neg_gain_ini, kDouble, fNtotBlocks}, // {"cal_neg_gain_cur", hcal_neg_gain_cur, kDouble, fNtotBlocks},
{"cal_neg_ped_limit", fShNegPedLimit, kInt, fNtotBlocks},
{"cal_neg_gain_cor", hcal_neg_gain_cor, kDouble, fNtotBlocks},
{"cal_min_peds", &fShMinPeds, kInt},
{0}
};
gHcParms->LoadParmValues((DBRequest*)&list, prefix);
//+++
cout << "hcal_pos_cal_const:" << endl;
for (Int_t j=0; j<fNLayers; j++) {
for (Int_t i=0; i<fNBlocks[j]; i++) {
cout << hcal_pos_cal_const[j*fNBlocks[j]+i] << " ";
};
cout << endl;
};
// cout << "hcal_pos_gain_ini:" << endl;
// for (Int_t j=0; j<fNLayers; j++) {
// for (Int_t i=0; i<fNBlocks[j]; i++) {
// cout << hcal_pos_gain_ini[j*fNBlocks[j]+i] << " ";
// };
// cout << endl;
// };
// cout << "hcal_pos_gain_cur:" << endl;
// for (Int_t j=0; j<fNLayers; j++) {
// for (Int_t i=0; i<fNBlocks[j]; i++) {
// cout << hcal_pos_gain_cur[j*fNBlocks[j]+i] << " ";
// };
// cout << endl;
// };
cout << "fShPosPedLimit:" << endl;
for (Int_t j=0; j<fNLayers; j++) {
for (Int_t i=0; i<fNBlocks[j]; i++) {
cout << fShPosPedLimit[j*fNBlocks[j]+i] << " ";
};
cout << endl;
};
cout << "hcal_pos_gain_cor:" << endl;
for (Int_t j=0; j<fNLayers; j++) {
for (Int_t i=0; i<fNBlocks[j]; i++) {
cout << hcal_pos_gain_cor[j*fNBlocks[j]+i] << " ";
};
cout << endl;
};
//---
cout << "hcal_neg_cal_const:" << endl;
for (Int_t j=0; j<fNLayers; j++) {
for (Int_t i=0; i<fNBlocks[j]; i++) {
cout << hcal_neg_cal_const[j*fNBlocks[j]+i] << " ";
};
cout << endl;
};
// cout << "hcal_neg_gain_ini:" << endl;
// for (Int_t j=0; j<fNLayers; j++) {
// for (Int_t i=0; i<fNBlocks[j]; i++) {
// cout << hcal_neg_gain_ini[j*fNBlocks[j]+i] << " ";
// };
// // cout << endl;
// };
// cout << "hcal_neg_gain_cur:" << endl;
// for (Int_t j=0; j<fNLayers; j++) { // for (Int_t i=0; i<fNBlocks[j]; i++) {
// cout << hcal_neg_gain_cur[j*fNBlocks[j]+i] << " ";
// };
// cout << endl;
// };
cout << "fShNegPedLimit:" << endl;
for (Int_t j=0; j<fNLayers; j++) {
for (Int_t i=0; i<fNBlocks[j]; i++) {
cout << fShNegPedLimit[j*fNBlocks[j]+i] << " ";
};
cout << endl;
};
cout << "hcal_neg_gain_cor:" << endl;
for (Int_t j=0; j<fNLayers; j++) {
for (Int_t i=0; i<fNBlocks[j]; i++) {
cout << hcal_neg_gain_cor[j*fNBlocks[j]+i] << " ";
};
cout << endl;
};
//Calibration constants in GeV per ADC channel.
for (Int_t i=0; i<fNtotBlocks; i++) {
fPosGain[i] = hcal_pos_cal_const[i] * hcal_pos_gain_cor[i];
fNegGain[i] = hcal_neg_cal_const[i] * hcal_neg_gain_cor[i];
}
cout << "fPosGain:" << endl;
for (Int_t j=0; j<fNLayers; j++) {
for (Int_t i=0; i<fNBlocks[j]; i++) {
cout << fPosGain[j*fNBlocks[j]+i] << " ";
};
cout << endl;
};
cout << "fNegGain:" << endl;
for (Int_t j=0; j<fNLayers; j++) {
for (Int_t i=0; i<fNBlocks[j]; i++) {
cout << fNegGain[j*fNBlocks[j]+i] << " ";
};
cout << endl;
};
// Origin of the calorimeter, at tha middle of the face of the detector,
// or at the middle of the front plane of the 1-st layer.
//
Double_t xOrig = (XPos[0][0] + XPos[0][fNBlocks[0]-1])/2 + BlockThick[0]/2;
Double_t yOrig = (YPos[0] + YPos[1])/2;
Double_t zOrig = fNLayerZPos[0];
// cout << "Origin of the Calorimeter to be set:" << endl;
// cout << " Xorig = " << xOrig << endl;
// cout << " Yorig = " << yOrig << endl;
// cout << " Zorig = " << zOrig << endl;
// << endl;
fOrigin.SetXYZ(xOrig, yOrig, zOrig);
cout << "Origin of the Calorimeter:" << endl;
cout << " Xorig = " << GetOrigin().X() << endl;
cout << " Yorig = " << GetOrigin().Y() << endl;
cout << " Zorig = " << GetOrigin().Z() << endl;
cout << endl;
// Detector axes. Assume no rotation.
//
DefineAxes(0.);
fIsInit = true;
return kOK;
}
//_____________________________________________________________________________
Int_t THcShower::DefineVariables( EMode mode )
{
// Initialize global variables and lookup table for decoder
if( mode == kDefine && fIsSetup ) return kOK;
fIsSetup = ( mode == kDefine );
cout << "THcShower::DefineVariables called " << GetName() << endl;
// Register variables in global list
RVarDef vars[] = {
{ "nhits", "Number of hits", "fNhits" },
// { "a", "Raw ADC amplitudes", "fA" },
// { "a_p", "Ped-subtracted ADC amplitudes", "fA_p" },
// { "a_c", "Calibrated ADC amplitudes", "fA_c" },
// { "asum_p", "Sum of ped-subtracted ADCs", "fAsum_p" },
// { "asum_c", "Sum of calibrated ADCs", "fAsum_c" },
{ "nclust", "Number of clusters", "fNclust" },
{ "emax", "Energy (MeV) of largest cluster", "fE" },
{ "eprmax", "Preshower Energy (MeV) of largest cluster", "fEpr" },
{ "xmax", "x-position (cm) of largest cluster", "fX" },
// { "z", "z-position (cm) of largest cluster", "fZ" },
{ "mult", "Multiplicity of largest cluster", "fMult" },
// { "nblk", "Numbers of blocks in main cluster", "fNblk" },
// { "eblk", "Energies of blocks in main cluster", "fEblk" },
{ "trx", "track x-position in det plane (1st track)", "fTRX" },
{ "try", "track y-position in det plane (1st track)", "fTRY" },
{ "tre", "track energy in the calorimeter (1st track)", "fTRE" },
{ "trepr", "track energy in the preshower (1st track)", "fTREpr" },
{ 0 }
};
return DefineVarsFromList( vars, mode );
return kOK;
}
//_____________________________________________________________________________
THcShower::~THcShower()
{
// Destructor. Remove variables from global list.
if( fIsSetup )
RemoveVariables();
if( fIsInit )
DeleteArrays();
if (fTrackProj) {
fTrackProj->Clear();
delete fTrackProj; fTrackProj = 0;
}
}
//_____________________________________________________________________________
void THcShower::DeleteArrays()
{
// Delete member arrays. Used by destructor.
delete [] BlockThick; BlockThick = NULL;
delete [] fNBlocks; fNBlocks = NULL;
delete [] fNLayerZPos; fNLayerZPos = NULL;
delete [] XPos; XPos = NULL;
delete [] ZPos; ZPos = NULL; //delete [] fSpacing; fSpacing = NULL;
//delete [] fCenter; fCenter = NULL; // This 2D. What is correct way to delete?
}
//_____________________________________________________________________________
inline
void THcShower::Clear(Option_t* opt)
{
// Reset per-event data.
for(Int_t ip=0;ip<fNLayers;ip++) {
fPlanes[ip]->Clear(opt);
}
// fTrackProj->Clear();
fNhits = 0;
fNclust = 0;
fMult = 0;
fE = 0.;
fEpr = 0.;
fX = -75.; //out of acceptance
fTRX = -75.; //out of acceptance
fTRY = -40.; //out of acceptance
fTRE = -1.;
fTREpr = -1.;
}
//_____________________________________________________________________________
Int_t THcShower::Decode( const THaEvData& evdata )
{
Clear();
// Get the Hall C style hitlist (fRawHitList) for this event
Int_t nhits = THcHitList::DecodeToHitList(evdata);
if(gHaCuts->Result("Pedestal_event")) {
Int_t nexthit = 0;
for(Int_t ip=0;ip<fNLayers;ip++) {
nexthit = fPlanes[ip]->AccumulatePedestals(fRawHitList, nexthit);
if (fdbg_decoded_cal) {
cout << "THcShower::Decode: nexthit = " << nexthit << endl;
}
}
fAnalyzePedestals = 1; // Analyze pedestals first normal events
return(0);
}
if(fAnalyzePedestals) {
for(Int_t ip=0;ip<fNLayers;ip++) {
fPlanes[ip]->CalculatePedestals();
}
fAnalyzePedestals = 0; // Don't analyze pedestals next event
}
Int_t nexthit = 0;
for(Int_t ip=0;ip<fNLayers;ip++) {
nexthit = fPlanes[ip]->ProcessHits(fRawHitList, nexthit);
}
// fRawHitList is TClones array of THcRawShowerHit objects
// if (fdbg_decoded_cal) {
// cout << "THcShower::Decode: Shower raw hit list:" << endl;
// for(Int_t ihit = 0; ihit < fNRawHits ; ihit++) {
// THcRawShowerHit* hit = (THcRawShowerHit *) fRawHitList->At(ihit);
// cout << ihit << " : " << hit->fPlane << ":" << hit->fCounter << " : "
// << hit->fADC_pos << " " << hit->fADC_neg << " " << endl; // }
// cout << endl;
// }
return nhits;
}
//_____________________________________________________________________________
Int_t THcShower::ApplyCorrections( void )
{
return(0);
}
//_____________________________________________________________________________
//Double_t THcShower::TimeWalkCorrection(const Int_t& paddle,
// const ESide side)
//{
// return(0.0);
//}
//_____________________________________________________________________________
Int_t THcShower::CoarseProcess( TClonesArray& tracks)
{
// Calculation of coordinates of particle track cross point with shower
// plane in the detector coordinate system. For this, parameters of track
// reconstructed in THaVDC::CoarseTrack() are used.
//
// Apply corrections and reconstruct the complete hits.
//
// static const Double_t sqrt2 = TMath::Sqrt(2.);
if (fdbg_clusters_cal)
cout << "THcShower::CoarseProcess called ---------------------------" <<endl;
// ApplyCorrections();
//
// Clustering of hits.
//
THcShowerHitList HitList; //list of unclustered hits
for(Int_t j=0; j < fNLayers; j++) {
//cout << "Plane " << j << " Eplane = " << fPlanes[j]->GetEplane() << endl;
for (Int_t i=0; i<fNBlocks[j]; i++) {
//May be should be done this way.
//
// Double_t Edep = fPlanes[j]->GetEmean(i);
// if (Edep > 0.) { //hit
// Double_t x = YPos[j][i] + BlockThick[j]/2.; //top + thick/2
// Double_t z = fNLayerZPos[j] + BlockThick[j]/2.; //front + thick/2
// THcShowerHit* hit = new THcShowerHit(i,j,x,z,Edep);
//ENGINE way.
//
// if (fPlanes[j]->GetApos(i)> fPlanes[j]->GetPosThr(i) ||
// fPlanes[j]->GetAneg(i)> fPlanes[j]->GetNegThr(i)) { //hit
if (fPlanes[j]->GetApos(i) - fPlanes[j]->GetPosPed(i) >
fPlanes[j]->GetPosThr(i) - fPlanes[j]->GetPosPed(i) ||
fPlanes[j]->GetAneg(i) - fPlanes[j]->GetNegPed(i) >
fPlanes[j]->GetNegThr(i) - fPlanes[j]->GetNegPed(i)) { //hit
Double_t Edep = fPlanes[j]->GetEmean(i);
Double_t x = XPos[j][i] + BlockThick[j]/2.; //top + thick/2
Double_t z = fNLayerZPos[j] + BlockThick[j]/2.; //front + thick/2
THcShowerHit* hit = new THcShowerHit(i,j,x,z,Edep);
HitList.push_back(hit);
//cout << "Hit: Edep = " << Edep << " X = " << x << " Z = " << z <<
// " Block " << i << " Layer " << j << endl;
};
}
}
//Print out hits before clustering.
//
fNhits = HitList.size();
if (fdbg_clusters_cal) {
cout << "Total hits: " << fNhits << endl;
for (UInt_t i=0; i!=fNhits; i++) {
cout << "unclustered hit " << i << ": ";
(*(HitList.begin()+i))->show();
}
}
THcShowerClusterList* ClusterList = new THcShowerClusterList;
ClusterList->ClusterHits(HitList);
fNclust = (*ClusterList).NbClusters();
//Print out the cluster list.
//
fNclust = (*ClusterList).NbClusters();
if (fdbg_clusters_cal) cout << "Cluster_list size: " << fNclust << endl;
for (UInt_t i=0; i!=fNclust; i++) {
THcShowerCluster* cluster = (*ClusterList).ListedCluster(i);
cout << "Cluster #" << i
<<": E=" << (*cluster).clE()
<< " Epr=" << (*cluster).clEpr()
<< " X=" << (*cluster).clX()
<< " Z=" << (*cluster).clZ()
<< " size=" << (*cluster).clSize()
<< endl;
for (UInt_t j=0; j!=(*cluster).clSize(); j++) {
THcShowerHit* hit = (*cluster).ClusteredHit(j);
cout << " hit #" << j << ": "; (*hit).show();
}
}
//The largest cluster.
//
if (fNclust != 0) {
THcShowerCluster* MaxCluster = (*ClusterList).ListedCluster(0);
fE = (*MaxCluster).clE();
for (UInt_t i=1; i<fNclust; i++) {
THcShowerCluster* cluster = (*ClusterList).ListedCluster(i);
Double_t E = (*cluster).clE();
if (fE < E) {
fE = E;
MaxCluster = cluster;
} }
fMult = (*MaxCluster).clSize();
fEpr = (*MaxCluster).clEpr();
fX = (*MaxCluster).clX();
}
if (fdbg_clusters_cal)
cout << "Max.cluster: fEpr = " << fEpr << " fE = " << fE << " fX = " << fX
<< endl;
// Track-to-cluster matching.
//
Int_t Ntracks = tracks.GetLast()+1; // Number of reconstructed tracks
if (fdbg_tracks_cal) {
cout << endl;
cout << "Number of reconstructed tracks = " << Ntracks << endl;
}
for (Int_t i=0; i<Ntracks; i++) {
THaTrack* theTrack = static_cast<THaTrack*>( tracks[i] );
if (fdbg_tracks_cal) {
cout << " Track " << i << ": "
<< " X = " << theTrack->GetX()
<< " Y = " << theTrack->GetY()
<< " Theta = " << theTrack->GetTheta()
<< " Phi = " << theTrack->GetPhi()
<< endl;
}
Double_t Xtr;
Double_t Ytr;
Int_t mclust = MatchCluster(theTrack, ClusterList, Xtr, Ytr);
if (i==0) {
fTRX = Xtr;
fTRY = Ytr;
if (mclust >= 0) {
THcShowerCluster* cluster = (*ClusterList).ListedCluster(mclust);
fTRE = (*cluster).clE();
fTREpr = (*cluster).clEpr();
}
}
}
if (fdbg_tracks_cal)
cout << "1st track cluster: fTRX = " << fTRX << " fTRY = " << fTRY
<< endl;
if (fdbg_clusters_cal)
cout << "THcShower::CoarseProcess return ---------------------------" <<endl;
return 0;
}
//-----------------------------------------------------------------------------
Int_t THcShower::MatchCluster(THaTrack* Track,
THcShowerClusterList* ClusterList,
Double_t& XTrFront, Double_t& YTrFront)
{
// Match a cluster to a given track.
if (fdbg_tracks_cal) { cout << "THcShower::MatchCluster: Track at DC:"
<< " X = " << Track->GetX()
<< " Y = " << Track->GetY()
<< " Theta = " << Track->GetTheta()
<< " Phi = " << Track->GetPhi()
<< endl;
}
XTrFront = kBig;
YTrFront = kBig;
Double_t pathl = kBig;
// Track interception with face of the calorimeter. The coordinates are
// in the calorimeter's local system.
fOrigin = fPlanes[0]->GetOrigin();
CalcTrackIntercept(Track, pathl, XTrFront, YTrFront);
// Transform coordiantes to the spectrometer's coordinate system.
XTrFront += GetOrigin().X();
YTrFront += GetOrigin().Y();
if (fdbg_tracks_cal)
cout << " Track at the front of Calorimeter:"
<< " X = " << XTrFront
<< " Y = " << YTrFront
<< " Pathl = " << pathl
<< endl;
Bool_t inFidVol = true;
if (fvTest) {
fOrigin = fPlanes[fNLayers-1]->GetOrigin();
Double_t XTrBack = kBig;
Double_t YTrBack = kBig;
CalcTrackIntercept(Track, pathl, XTrBack, YTrBack);
XTrBack += GetOrigin().X();
YTrBack += GetOrigin().Y();
if (fdbg_tracks_cal)
cout << " Track at the back of Calorimeter:"
<< " X = " << XTrBack
<< " Y = " << YTrBack
<< " Pathl = " << pathl
<< endl;
inFidVol = (XTrFront < fvXmax) && (XTrFront > fvXmin) &&
(YTrFront < fvYmax) && (YTrFront > fvYmin) &&
(XTrBack < fvXmax) && (XTrBack > fvXmin) &&
(YTrBack < fvYmax) && (YTrBack > fvYmin);
if (fdbg_tracks_cal)
cout << " Fiducial volume test: inFidVol = " << inFidVol << endl;
}
// Match a cluster to the track.
Int_t mclust = -1; // The match cluster #, initialize with a bogus value.
Double_t deltaX = kBig; // Track to cluster distance
if (inFidVol) {
for (Int_t i=0; i<fNclust; i++) {
THcShowerCluster* cluster = (*ClusterList).ListedCluster(i);
Double_t dx = TMath::Abs( (*cluster).clX() - XTrFront );
if (dx <= (0.5*BlockThick[0] + fSlop)) {
if (dx <= deltaX) {
mclust = i;
deltaX = dx;
}
}
}
}
if (fdbg_tracks_cal)
cout << "MatchCluster: mclust= " << mclust << " delatX= " << deltaX
<< endl;
return mclust;
}
//_____________________________________________________________________________
Int_t THcShower::FineProcess( TClonesArray& tracks )
{
// Reconstruct coordinates of particle track cross point with shower
// plane, and copy the data into the following local data structure:
//
// Units of measurements are meters.
// Calculation of coordinates of particle track cross point with shower
// plane in the detector coordinate system. For this, parameters of track
// reconstructed in THaVDC::FineTrack() are used.
return 0;
}
ClassImp(THcShower)
////////////////////////////////////////////////////////////////////////////////