* provided "as is" without express or implied warranty. *
**************************************************************************/
-/**************************************************************************
- * The package was revised and changed by Boris Batiounia in the time *
- * period of March - June 2001 *
- **************************************************************************/
-
-#include <iostream.h>
+// **************************************************************************
+// * The package was revised and changed by Boris Batiounia in the time *
+// * period of March - June 2001 *
+// **************************************************************************/
+//
+//#include <Riostream.h>
#include <TArrayI.h>
-#include "AliRun.h"
-#include "AliITS.h"
-#include "AliITSdigit.h"
-#include "AliITSRawCluster.h"
-#include "AliITSRecPoint.h"
-#include "AliITSMapA1.h"
+
+//#include "AliRun.h"
+//#include "AliITS.h"
#include "AliITSClusterFinderSSD.h"
+#include "AliITSDetTypeRec.h"
+#include "AliITSMapA1.h"
+#include "AliITSRawClusterSSD.h"
+#include "AliITSRecPoint.h"
+#include "AliITSdigitSSD.h"
#include "AliITSclusterSSD.h"
#include "AliITSpackageSSD.h"
-#include "AliITSsegmentation.h"
+#include "AliITSsegmentationSSD.h"
#include "AliITSgeom.h"
+#include "AliITSCalibrationSSD.h"
+#include "AliLog.h"
const Bool_t AliITSClusterFinderSSD::fgkSIDEP=kTRUE;
const Bool_t AliITSClusterFinderSSD::fgkSIDEN=kFALSE;
-const Int_t debug=0;
+const Int_t AliITSClusterFinderSSD::fgkNoiseThreshold=5;
+//const Int_t debug=0;
ClassImp(AliITSClusterFinderSSD)
+
+ //____________________________________________________________________
+ //
+ // Constructor
+ //______________________________________________________________________
+ AliITSClusterFinderSSD::AliITSClusterFinderSSD():
+AliITSClusterFinder(),
+fClusterP(0),
+fNClusterP(0),
+fClusterN(0),
+fNClusterN(0),
+fPackages(0),
+fNPackages(0),
+fDigitsIndexP(0),
+fNDigitsP(0),
+fDigitsIndexN(0),
+fNDigitsN(0),
+fPitch(0.0),
+fTanP(0.0),
+fTanN(0.0),
+fPNsignalRatio(0.0),
+fSFF(0),
+fSFB(0){
+ //Default constructor
+}
-//____________________________________________________________________
-//
-// Constructor
//______________________________________________________________________
-AliITSClusterFinderSSD::AliITSClusterFinderSSD(){
- //Default constructor
+AliITSClusterFinderSSD::AliITSClusterFinderSSD(AliITSDetTypeRec* dettyp,
+ TClonesArray *digits):
+AliITSClusterFinder(dettyp,digits),
+fClusterP(0),
+fNClusterP(0),
+fClusterN(0),
+fNClusterN(0),
+fPackages(0),
+fNPackages(0),
+fDigitsIndexP(0),
+fNDigitsP(0),
+fDigitsIndexN(0),
+fNDigitsN(0),
+fPitch(0.0),
+fTanP(0.0),
+fTanN(0.0),
+fPNsignalRatio(0.0),
+fSFF(0),
+fSFB(0){
+ //Standard constructor
- fSegmentation = 0;
- fDigits = 0;
- fMap = 0;
- fITS = (AliITS*)gAlice->GetModule("ITS");
- fClusterP = 0;
- fNClusterP =0;
- fClusterN = 0;
+ SetDigits(digits);
+ SetMap(new AliITSMapA1(GetSeg(),Digits()));
+ fClusterP = new TClonesArray ("AliITSclusterSSD",200);
+ fNClusterP = 0;
+ fClusterN = new TClonesArray ("AliITSclusterSSD",200);
fNClusterN = 0;
- fPackages = 0;
+ fPackages = new TClonesArray ("AliITSpackageSSD",200); //packages
fNPackages = 0;
- fDigitsIndexP = 0;
+ fDigitsIndexP = new TArrayI(800);
fNDigitsP = 0;
- fDigitsIndexN = 0;
+ fDigitsIndexN = new TArrayI(800);
fNDigitsN = 0;
- fPitch = 0;
- fPNsignalRatio= 0;
+ fPitch = GetSeg()->Dpx(0);
+ fPNsignalRatio= 7./8.; // warning: hard-wired number
}
-//______________________________________________________________________}
-AliITSClusterFinderSSD::AliITSClusterFinderSSD(AliITSsegmentation *seg,
- TClonesArray *digits){
+
+//______________________________________________________________________
+AliITSClusterFinderSSD::AliITSClusterFinderSSD(AliITSDetTypeRec* dettyp):
+AliITSClusterFinder(dettyp),
+fClusterP(0),
+fNClusterP(0),
+fClusterN(0),
+fNClusterN(0),
+fPackages(0),
+fNPackages(0),
+fDigitsIndexP(0),
+fNDigitsP(0),
+fDigitsIndexN(0),
+fNDigitsN(0),
+fPitch(0.0),
+fTanP(0.0),
+fTanN(0.0),
+fPNsignalRatio(0.0),
+fSFF(0),
+fSFB(0){
//Standard constructor
- fSegmentation = seg;
- fDigits = digits;
- fMap = new AliITSMapA1(fSegmentation,fDigits);
- fITS = (AliITS*)gAlice->GetModule("ITS");
- fClusterP = new TClonesArray ("AliITSclusterSSD",200);
+ fClusterP = new TClonesArray ("AliITSclusterSSD",200);
fNClusterP = 0;
- fClusterN = new TClonesArray ("AliITSclusterSSD",200);
+ fClusterN = new TClonesArray ("AliITSclusterSSD",200);
fNClusterN = 0;
- fPackages = new TClonesArray ("AliITSpackageSSD",200); //packages
+ fPackages = new TClonesArray ("AliITSpackageSSD",200); //packages
fNPackages = 0;
- fDigitsIndexP = new TArrayI(300);
+ fDigitsIndexP = new TArrayI(800);
fNDigitsP = 0;
- fDigitsIndexN = new TArrayI(300);
+ fDigitsIndexN = new TArrayI(800);
fNDigitsN = 0;
- fPitch = fSegmentation->Dpx(0);
+ fPitch = GetSeg()->Dpx(0);
fPNsignalRatio= 7./8.; // warning: hard-wired number
}
+
//______________________________________________________________________
AliITSClusterFinderSSD::~AliITSClusterFinderSSD(){
- // Default destructor
-
- delete fClusterP;
- delete fClusterN;
- delete fPackages;
- delete fDigitsIndexP;
- delete fDigitsIndexN;
- delete fMap;
+ // Default destructor
+
+ delete fClusterP;
+ delete fClusterN;
+ delete fPackages;
+ delete fDigitsIndexP;
+ delete fDigitsIndexN;
+ delete fMap;
}
//______________________________________________________________________
void AliITSClusterFinderSSD::InitReconstruction(){
- // initialization of the cluster finder
-
- register Int_t i; //iterator
-
+ // initialization of the cluster finder
+
+ register Int_t i; //iterator
+
for (i=0;i<fNClusterP;i++) fClusterP->RemoveAt(i);
fNClusterP =0;
for (i=0;i<fNClusterN;i++) fClusterN->RemoveAt(i);
fNPackages = 0;
fNDigitsP = 0;
fNDigitsN = 0;
- Float_t StereoP,StereoN;
- fSegmentation->Angles(StereoP,StereoN);
- CalcStepFactor(StereoP,StereoN);
- if (debug) cout<<"fSFF = "<<fSFF<<" fSFB = "<<fSFB<<"\n";
+ Float_t stereoP,stereoN;
+ //fSegmentation->Angles(stereoP,stereoN);
+ GetSeg()->Angles(stereoP,stereoN);
+ CalcStepFactor(stereoP,stereoN);
+ // if (debug) cout<<"fSFF = "<<fSFF<<" fSFB = "<<fSFB<<"\n";
}
//______________________________________________________________________
void AliITSClusterFinderSSD::FindRawClusters(Int_t module){
- // This function findes out all clusters belonging to one module
- // 1. Zeroes all space after previous module reconstruction
- // 2. Finds all neighbouring digits, create clusters
- // 3. If necesery, resolves for each group of neighbouring digits
- // how many clusters creates it.
- // 4. Colculate the x and z coordinate
- Int_t lay, lad, detect;
- AliITSgeom *geom = fITS->GetITSgeom();
-
- geom->GetModuleId(module,lay, lad, detect);
- if ( lay == 6 ) ((AliITSsegmentationSSD*)fSegmentation)->SetLayer(6);
- if ( lay == 5 ) ((AliITSsegmentationSSD*)fSegmentation)->SetLayer(5);
-
- InitReconstruction(); //ad. 1
- fMap->FillMap();
- FillDigitsIndex();
- SortDigits();
- FindNeighbouringDigits(); //ad. 2
- //SeparateOverlappedClusters(); //ad. 3
- ClustersToPackages(); //ad. 4
- fMap->ClearMap();
+ // This function findes out all clusters belonging to one module
+ // 1. Zeroes all space after previous module reconstruction
+ // 2. Finds all neighbouring digits, create clusters
+ // 3. If necesery, resolves for each group of neighbouring digits
+ // how many clusters creates it.
+ // 4. Colculate the x and z coordinate
+ Int_t lay, lad, detect;
+
+ //cout<<"clusterfinder: this is module "<<module<<endl;
+
+ // AliITSgeom *geom = fITS->GetITSgeom();
+
+ if(!fDetTypeRec->GetITSgeom()) {
+ Error("FindRawClusters","ITS geom is null!");
+ return;
+ }
+
+ SetModule(module);
+ fDetTypeRec->GetITSgeom()->GetModuleId(GetModule(),lay, lad, detect);
+ // geom->GetModuleId(module,lay, lad, detect);
+
+ //cout<<"layer = "<<lay<<endl;
+
+ if ( lay == 6 ) ((AliITSsegmentationSSD*)GetSeg())->SetLayer(6);
+ if ( lay == 5 ) ((AliITSsegmentationSSD*)GetSeg())->SetLayer(5);
+
+
+ InitReconstruction(); //ad. 1
+ fMap->FillMap();
+
+ FillDigitsIndex();
+ if ( (fNDigitsP==0 ) || (fNDigitsN == 0 )) return;
+
+ SortDigits();
+ FindNeighbouringDigits(module); //ad. 2
+
+ //SeparateOverlappedClusters(); //ad. 3
+ ClustersToPackages(); //ad. 4
+
+ fMap->ClearMap();
+
}
//______________________________________________________________________
-void AliITSClusterFinderSSD::FindNeighbouringDigits(){
+void AliITSClusterFinderSSD::FindNeighbouringDigits(Int_t module){
//If there are any digits on this side, create 1st Cluster,
// add to it this digit, and increment number of clusters
- register Int_t i;
- if ((fNDigitsP>0 ) && (fNDigitsN > 0 )) {
- Int_t currentstripNo;
- Int_t *dbuffer = new Int_t [300]; //buffer for strip numbers
- Int_t dnumber; //curent number of digits in buffer
- TArrayI &lDigitsIndexP = *fDigitsIndexP;
- TArrayI &lDigitsIndexN = *fDigitsIndexN;
- TObjArray &lDigits = *(Digits());
- TClonesArray &lClusterP = *fClusterP;
- TClonesArray &lClusterN = *fClusterN;
- //process P side
+ register Int_t i,j;
+ Int_t flag=0;
+
+ //if ( (fNDigitsP==0 ) || (fNDigitsN == 0 )) return;
+
+ Int_t currentstripNo;
+ Int_t *dbuffer = new Int_t [800]; //buffer for strip numbers
+ Int_t dnumber; //curent number of digits in buffer
+
+ TArrayI &lDigitsIndexP = *fDigitsIndexP;
+ TArrayI &lDigitsIndexN = *fDigitsIndexN;
+
+ TObjArray &lDigits = *(Digits());
+
+ TClonesArray &lClusterP = *fClusterP;
+ TClonesArray &lClusterN = *fClusterN;
+
+ //process P side
+ dnumber = 1;
+ dbuffer[0]=lDigitsIndexP[0];
+
+ //If next digit is a neigh. of previous, adds to last clust. this digit
+ /*
+ cout<<"----------------------------------------------------------------"<<endl;
+ cout<<"module="<<module<<" , # of Pdigits="<<fNDigitsP<<" , # of Ndigits="<<fNDigitsN<<endl;
+
+ cout<<" Pside"<<endl;
+ cout<<" "<<((AliITSdigitSSD*)lDigits[lDigitsIndexP[0]])->GetStripNumber()<<" "<<
+ ((AliITSdigitSSD*)lDigits[lDigitsIndexP[0]])->GetSignal()<<endl;
+ */
+
+ for (i=1; i<fNDigitsP; i++) {
+
+ //reads new digit
+ currentstripNo = ((AliITSdigitSSD*)lDigits[lDigitsIndexP[i]])->GetStripNumber();
+ // cout<<" "<<currentstripNo<<" "<<((AliITSdigitSSD*)lDigits[lDigitsIndexP[i]])->GetSignal()<<endl;
+
+ if((((AliITSdigitSSD*)lDigits[lDigitsIndexP[i-1]])->GetStripNumber()) == (currentstripNo-1) )
+ dbuffer[dnumber++]=lDigitsIndexP[i];
+
+ else{
+
+ // check signal
+ for(j=0;j<dnumber;j++) {
+
+ if( (((AliITSdigitSSD*)lDigits[dbuffer[j]])->GetSignal())
+ > fgkNoiseThreshold* ((AliITSCalibrationSSD*)GetResp(module))->
+ GetNoiseP( ((AliITSdigitSSD*)lDigits[dbuffer[j]])->GetStripNumber()) )
+ flag+=1;
+
+ }
+
+ //if(flag==dnumber) {
+ if(flag>0) {
+ //create a new one side cluster
+
+ // cout<<" new cluster with "<<dnumber<<" digits"<<endl;
+
+ new(lClusterP[fNClusterP++]) AliITSclusterSSD(dnumber,dbuffer,
+ Digits(),
+ fgkSIDEP);
+
+ flag=0;
+ }
+
+ flag=0;
+ dbuffer[0]=lDigitsIndexP[i];
dnumber = 1;
- dbuffer[0]=lDigitsIndexP[0];
- //If next digit is a neigh. of previous, adds to last clust. this digit
- for (i=1; i<fNDigitsP; i++) {
- //reads new digit
- currentstripNo = ((AliITSdigitSSD*)lDigits[lDigitsIndexP[i]])->
- GetStripNumber();
- //check if it is a neighbour of a previous one
- if((((AliITSdigitSSD*)lDigits[lDigitsIndexP[i-1]])->
- GetStripNumber())
- == (currentstripNo-1) ) dbuffer[dnumber++]=lDigitsIndexP[i];
- else{
- //create a new one side cluster
- new(lClusterP[fNClusterP++]) AliITSclusterSSD(dnumber,dbuffer,
- Digits(),
- fgkSIDEP);
- dbuffer[0]=lDigitsIndexP[i];
- dnumber = 1;
- } // end if else
- } // end loop over fNDigitsP
- new(lClusterP[fNClusterP++]) AliITSclusterSSD(dnumber,dbuffer,
- Digits(),fgkSIDEP);
- //process N side
- //for comments, see above
+
+ } // end if else
+
+ } // end loop over fNDigitsP
+
+ // check signal
+ for(j=0;j<dnumber;j++) {
+
+ if( (((AliITSdigitSSD*)lDigits[dbuffer[j]])->GetSignal())
+ > fgkNoiseThreshold*((AliITSCalibrationSSD*)GetResp(module))->
+ GetNoiseP( ((AliITSdigitSSD*)lDigits[dbuffer[j]])->GetStripNumber()) )
+ flag+=1;
+
+ }
+
+ //if(flag==dnumber) {
+ if(flag>0) {
+ //create a new one side cluster
+
+ // cout<<" new cluster with "<<dnumber<<" digits"<<endl;
+
+ new(lClusterP[fNClusterP++]) AliITSclusterSSD(dnumber,dbuffer,
+ Digits(),
+ fgkSIDEP);
+
+ flag=0;
+ }
+
+ flag=0;
+
+ //process N side
+ //for comments, see above
+ dnumber = 1;
+ dbuffer[0]=lDigitsIndexN[0];
+ //If next digit is a neigh. of previous, adds to last clust. this digit
+
+ // cout<<" Nside"<<endl;
+ // cout<<" "<<((AliITSdigitSSD*)lDigits[lDigitsIndexN[0]])->GetStripNumber()<<" "<<
+ // ((AliITSdigitSSD*)lDigits[lDigitsIndexN[0]])->GetSignal()<<endl;
+
+ for (i=1; i<fNDigitsN; i++) {
+ currentstripNo = ((AliITSdigitSSD*)(lDigits[lDigitsIndexN[i]]))->GetStripNumber();
+ // cout<<" "<<currentstripNo<<" "<<((AliITSdigitSSD*)lDigits[lDigitsIndexN[i]])->GetSignal()<<endl;
+
+ if ( (((AliITSdigitSSD*)lDigits[lDigitsIndexN[i-1]])->GetStripNumber()) == (currentstripNo-1) )
+ dbuffer[dnumber++]=lDigitsIndexN[i];
+
+ else {
+
+ // check signal
+ for(j=0;j<dnumber;j++) {
+
+ if( (((AliITSdigitSSD*)lDigits[dbuffer[j]])->GetSignal())
+ > fgkNoiseThreshold*((AliITSCalibrationSSD*)GetResp(module))->
+ GetNoiseN( ((AliITSdigitSSD*)lDigits[dbuffer[j]])->GetStripNumber()) )
+ flag+=1;
+
+ }
+
+ //if(flag==dnumber) {
+ if(flag>0) {
+ //create a new one side cluster
+
+ // cout<<" new cluster with "<<dnumber<<" digits"<<endl;
+
+ new(lClusterN[fNClusterN++]) AliITSclusterSSD(dnumber,dbuffer,
+ Digits(),
+ fgkSIDEN);
+
+ flag=0;
+ }
+
+ flag=0;
+ dbuffer[0]=lDigitsIndexN[i];
dnumber = 1;
- dbuffer[0]=lDigitsIndexN[0];
- //If next digit is a neigh. of previous, adds to last clust. this digit
- for (i=1; i<fNDigitsN; i++) {
- currentstripNo = ((AliITSdigitSSD*)(lDigits[lDigitsIndexN[i]]))->
- GetStripNumber();
- if ( (((AliITSdigitSSD*)lDigits[lDigitsIndexN[i-1]])->
- GetStripNumber())
- == (currentstripNo-1) ) dbuffer[dnumber++]=lDigitsIndexN[i];
- else {
- new(lClusterN[fNClusterN++]) AliITSclusterSSD(dnumber,dbuffer,
- Digits(),
- fgkSIDEN);
- dbuffer[0]=lDigitsIndexN[i];
- dnumber = 1;
- } // end if else
- } // end loop over fNDigitsN
- new(lClusterN[fNClusterN++]) AliITSclusterSSD(dnumber,dbuffer,
- Digits(),fgkSIDEN);
- delete [] dbuffer;
-
- } // end condition on NDigits
-
- if (debug) cout<<"\n Found clusters: fNClusterP = "<<fNClusterP
- <<" fNClusterN ="<<fNClusterN<<"\n";
+ } // end if else
+ } // end loop over fNDigitsN
+
+ // check signal
+ for(j=0;j<dnumber;j++) {
+
+ if( (((AliITSdigitSSD*)lDigits[dbuffer[j]])->GetSignal())
+ > fgkNoiseThreshold*((AliITSCalibrationSSD*)GetResp(module))->
+ GetNoiseN( ((AliITSdigitSSD*)lDigits[dbuffer[j]])->GetStripNumber()) )
+ flag+=1;
+
+ }
+
+ //if(flag==dnumber) {
+ if(flag>0) {
+ //create a new one side cluster
+
+ // cout<<" new cluster with "<<dnumber<<" digits"<<endl;
+
+ new(lClusterN[fNClusterN++]) AliITSclusterSSD(dnumber,dbuffer,
+ Digits(),
+ fgkSIDEN);
+
+ flag=0;
+ }
+
+ flag=0;
+ delete [] dbuffer;
+
+ // if (debug) cout<<"\n Found clusters: fNClusterP = "<<fNClusterP
+ // <<" fNClusterN ="<<fNClusterN<<"\n";
}
//______________________________________________________________________
void AliITSClusterFinderSSD::SeparateOverlappedClusters(){
Int_t initNsize = fNClusterN; //we have to keep it because it will grow
// in this function and it doasn't make
// sense to pass through it again
- splitlist = new TArrayI(300);
+ splitlist = new TArrayI(800);
for (i=0;i<initPsize;i++){
if (( ((AliITSclusterSSD*)(*fClusterP)[i])->
register Int_t i; //iterator
AliITSclusterSSD* curentcluster;
Int_t *tmpdigits = new Int_t[100];
- Int_t NN;
+ Int_t nn;
// side true means P side
if (side) {
curentcluster =((AliITSclusterSSD*)((*fClusterP)[index])) ;
for (i = nsplits; i>0 ;i--) {
- NN=curentcluster->SplitCluster((*list)[(i-1)],tmpdigits);
- new ((*fClusterP)[fNClusterP]) AliITSclusterSSD(NN,tmpdigits,
+ nn=curentcluster->SplitCluster((*list)[(i-1)],tmpdigits);
+ new ((*fClusterP)[fNClusterP]) AliITSclusterSSD(nn,tmpdigits,
Digits(),side);
( (AliITSclusterSSD*)((*fClusterP)[fNClusterP]) )->
SetLeftNeighbour(kTRUE);
} else {
curentcluster =((AliITSclusterSSD*)((*fClusterN)[index]));
for (i = nsplits; i>0 ;i--) {
- NN=curentcluster->SplitCluster((*list)[(i-1)],tmpdigits);
- new ((*fClusterN)[fNClusterN]) AliITSclusterSSD(NN,tmpdigits,
+ nn=curentcluster->SplitCluster((*list)[(i-1)],tmpdigits);
+ new ((*fClusterN)[fNClusterN]) AliITSclusterSSD(nn,tmpdigits,
Digits(),side);
((AliITSclusterSSD*)((*fClusterN)[fNClusterN]))->
SetRightNeighbour(kTRUE);
//______________________________________________________________________
void AliITSClusterFinderSSD::FillDigitsIndex(){
//Fill the indexes of the clusters belonging to a given ITS module
- Int_t PNs=0, NNs=0;
- Int_t tmp,bit,k;
- Int_t N;
+
+ Int_t noentries;
Int_t i;
+ Int_t gain=0;
+ Int_t signal=0;
- N = fDigits->GetEntriesFast();
+ noentries = fDigits->GetEntriesFast();
- Int_t* PSidx = new Int_t [N*sizeof(Int_t)];
- Int_t* NSidx = new Int_t [N*sizeof(Int_t)];
- if (fDigitsIndexP==NULL) fDigitsIndexP = new TArrayI(N);
- if (fDigitsIndexN==NULL) fDigitsIndexN = new TArrayI(N);
+ if (fDigitsIndexP==NULL) fDigitsIndexP = new TArrayI(noentries);
+ if (fDigitsIndexN==NULL) fDigitsIndexN = new TArrayI(noentries);
AliITSdigitSSD *dig;
- for ( i = 0 ; i< N; i++ ) {
- dig = (AliITSdigitSSD*)GetDigit(i);
- if(dig->IsSideP()) {
- bit=1;
- tmp=dig->GetStripNumber();
- // I find this totally unnecessary - it's just a
- // CPU consuming double check
- for( k=0;k<PNs;k++){
- if (tmp==PSidx[k]){
- if (debug) cout<<"Such a digit exists \n";
- bit=0;
- } // end if
- } // end for k
- // end comment
- if(bit) {
- fDigitsIndexP->AddAt(i,fNDigitsP++);
- PSidx[PNs++]=tmp;
- } // end if bit
- } else {
- bit=1;
- tmp=dig->GetStripNumber();
- // same as above
- for( k=0;k<NNs;k++){
- if (tmp==NSidx[k]){
- if (debug) cout<<"Such a digit exists \n";
- bit=0;
- } // end if
- } // for k
- // end comment
- if (bit) {
- fDigitsIndexN->AddAt(i,fNDigitsN++);
- NSidx[NNs++] =tmp;
- } // end if bit
- } // end if
+ for ( i = 0 ; i< noentries; i++ ) {
+
+ dig = (AliITSdigitSSD*)GetDigit(i);
+
+ gain=(Int_t) ((AliITSCalibrationSSD*)GetResp(fModule))->GetGainP(dig->GetStripNumber());
+ signal=gain*dig->GetSignal();
+ dig->SetSignal(signal);
+
+ if(dig->IsSideP()) fDigitsIndexP->AddAt(i,fNDigitsP++);
+ else fDigitsIndexN->AddAt(i,fNDigitsN++);
+
} // end for i
+
+ // delete [] psidx;
+ //delete [] nsidx;
- delete [] PSidx;
- delete [] NSidx;
-
- if (debug) cout<<"Digits : P = "<<fNDigitsP<<" N = "<<fNDigitsN<<endl;
+ // if (debug) cout<<"Digits : P = "<<fNDigitsP<<" N = "<<fNDigitsN<<endl;
}
//______________________________________________________________________
void AliITSClusterFinderSSD::SortDigits(){
if(SortDigitsN(0,(fNDigitsN-1-i))==0) break;
}
//______________________________________________________________________
-void AliITSClusterFinderSSD::FillClIndexArrays(Int_t* arrayP, Int_t *arrayN){
+void AliITSClusterFinderSSD::FillClIndexArrays(Int_t* arrayP, Int_t *arrayN) const{
// fill cluster index array
register Int_t i;
const Float_t kRMSz = 800.0*kconv;
Int_t n=0;
Int_t *tr;
- Int_t NTracks;
+ Int_t ntracks;
+
+ Int_t lay,lad,det;
+ fDetTypeRec->GetITSgeom()->GetModuleId(fModule,lay,lad,det);
+ Int_t ind=(lad-1)*fDetTypeRec->GetITSgeom()->GetNdetectors(lay)+(det-1);
+ Int_t lyr=(lay-1);
if (GetCrossing(P,N)) {
//GetCrossingError(dP,dN);
+ dP = dN = prob = 0.0; // to remove unused variable warning.
AliITSRawClusterSSD cnew;
Int_t nstripsP=clusterP->GetNumOfDigits();
Int_t nstripsN=clusterN->GetNumOfDigits();
Float_t signal = 0;
Float_t dedx = 0;
+ // Float_t meannoiseP=clusterP->GetMeanNoise();
+ //Float_t meannoiseN=clusterN->GetMeanNoise();
+ //cout<<meannoiseP<<" "<<meannoiseN<<endl;
if(SigP>SigN) {
signal = SigP;
dedx = SigP*kADCtoKeV;
dedx = SigN*kADCtoKeV;
} // end if SigP>SigN
tr = (Int_t*) clusterP->GetTracks(n);
- NTracks = clusterP->GetNTracks();
- cnew.fSignalP=SigP;
- cnew.fSignalN=SigN;
- cnew.fMultiplicity=nstripsP;
- cnew.fMultiplicityN=nstripsN;
- cnew.fQErr=TMath::Abs(SigP-SigN);
- cnew.fNtracks=NTracks;
- fITS->AddCluster(2,&cnew);
- AliITSRecPoint rnew;
- rnew.SetX(P*kconv);
- rnew.SetZ(N*kconv);
- rnew.SetQ(signal);
- rnew.SetdEdX(dedx);
- rnew.SetSigmaX2( kRMSx* kRMSx);
- rnew.SetSigmaZ2( kRMSz* kRMSz);
- rnew.fTracks[0]=tr[0];
- rnew.fTracks[1]=tr[1];
- rnew.fTracks[2]=tr[2];
- fITS->AddRecPoint(rnew);
+ ntracks = clusterP->GetNTracks();
+
+ //cnew.SetDigitsClusterP(clusterP);
+ //cnew.SetDigitsClusterN(clusterN);
+
+ cnew.SetSignalP(SigP);
+ cnew.SetSignalN(SigN);
+ cnew.SetMultiplicity(nstripsP);
+ cnew.SetMultN(nstripsN);
+ cnew.SetQErr(TMath::Abs(SigP-SigN));
+ cnew.SetNTrack(ntracks);
+ //cnew.SetMeanNoiseP(meannoiseP);
+ //cnew.SetMeanNoiseN(meannoiseN);
+ fDetTypeRec->AddCluster(2,&cnew);
+ //fITS->AddCluster(2,&cnew);
+ //AliITSRecPoint rnew;
+ Int_t lab[4] = {tr[0],tr[1],tr[2],ind};
+ Float_t hit[5] = {P*kconv,N*kconv,kRMSx*kRMSx,kRMSz*kRMSz,signal};
+ Int_t info[3] = {nstripsP,nstripsN,lyr};
+
+ AliITSRecPoint rnew(lab,hit,info,kTRUE);
+ rnew.SetdEdX(dedx);
+
+ fDetTypeRec->AddRecPoint(rnew);
+ // fITS->AddRecPoint(rnew);
return kTRUE;
} // end if
return kFALSE;
void AliITSClusterFinderSSD::CalcStepFactor(Float_t Psteo, Float_t Nsteo){
// calculate the step factor for matching clusters
// 95 is the pitch, 4000 - dimension along z ?
- Float_t dz=fSegmentation->Dz();
+ //Float_t dz=fSegmentation->Dz();
+ Float_t dz=GetSeg()->Dz();
fSFF = ( (Int_t) (Psteo*dz/fPitch ) );// +1;
fSFB = ( (Int_t) (Nsteo*dz/fPitch ) );// +1;
Bool_t AliITSClusterFinderSSD::GetCrossing (Float_t &P, Float_t &N){
// get crossing
// This function was rivised and changed by Boris Batiounia in March 2001
- Float_t Dx = fSegmentation->Dx(); // detector size in x direction, microns
- Float_t Dz = fSegmentation->Dz(); // detector size in z direction, microns
+ Float_t dx = GetSeg()->Dx(); // detector size in x direction, microns
+ Float_t dz = GetSeg()->Dz(); // detector size in z direction, microns
+ //Float_t dx = fSegmentation->Dx(); // detector size in x direction, microns
+ //Float_t dz = fSegmentation->Dz(); // detector size in z direction, microns
+ //cout<<dx<<" "<<dz<<endl;
Float_t xL; // x local coordinate
Float_t zL; // z local coordinate
- Float_t x; // x = xL + Dx/2
- Float_t z; // z = zL + Dz/2
+ Float_t x; // x = xL + dx/2
+ Float_t z; // z = zL + dz/2
Float_t xP; // x coordinate in the P side from the first P strip
Float_t xN; // x coordinate in the N side from the first N strip
- Float_t StereoP,StereoN;
+ Float_t stereoP,stereoN;
+
+ //fSegmentation->Angles(stereoP,stereoN);
+ GetSeg()->Angles(stereoP,stereoN);
+
+ //cout<<stereoP<<" "<<stereoN<<" "<<P<<" "<<N<<endl;
- fSegmentation->Angles(StereoP,StereoN);
- fTanP=TMath::Tan(StereoP);
- fTanN=TMath::Tan(StereoN);
+ //cout<<" P="<<P<<", N="<<N<<endl;
+
+ fTanP=TMath::Tan(stereoP);
+ fTanN=TMath::Tan(stereoN);
Float_t kP = fTanP; // Tangent of 0.0075 mrad
Float_t kN = fTanN; // Tangent of 0.0275 mrad
P *= fPitch;
N *= fPitch;
- xP = N; // change the mistake for the P/N
- xN = P; // coordinates correspondence in this function
+ xP = P;
+ xN = N;
+ // xP = N; // change the mistake for the P/N
+ //xN = P; // coordinates correspondence in this function
- x = xP + kP*(Dz*kN-xP+xN)/(kP+kN);
- z = (Dz*kN-xP+xN)/(kP+kN);
- xL = x - Dx/2;
- zL = z - Dz/2;
+ z=(xN-xP+dz*kN)/(kP+kN);
+ x=xP+kP*z;
+
+ xL = x - dx/2;
+ zL = z - dz/2;
P = xL;
N = zL;
+ //cout<<"P= "<<P<<" , N= "<<N<<" , dx= "<<dx<<endl;
+
+ //cout<<"P="<<P<<", N="<<N<<endl;
- if(TMath::Abs(xL) > Dx/2 || TMath::Abs(zL) > Dz/2) return kFALSE;
+ if(TMath::Abs(xL) > dx/2 || TMath::Abs(zL) > dz/2) return kFALSE;
// Check that xL and zL are inside the detector for the
// correspondent xP and xN coordinates
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff