* about the suitability of this software for any purpose. It is *
* 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 //
-// **************************************************************************//
-///////////////////////////////////////////////////////////////////////////////
+// **************************************************************************
+// * 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 "AliITSClusterFinderSSD.h"
#include "AliITSDetTypeRec.h"
#include "AliITSMapA1.h"
#include "AliITSRawClusterSSD.h"
#include "AliITSRecPoint.h"
-#include "AliITSclusterSSD.h"
#include "AliITSdigitSSD.h"
+#include "AliITSclusterSSD.h"
#include "AliITSpackageSSD.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 AliITSClusterFinderSSD::fgkNoiseThreshold=5;
+//const Int_t debug=0;
ClassImp(AliITSClusterFinderSSD)
-
-//____________________________________________________________________
-//
-// Constructor
-//______________________________________________________________________
-AliITSClusterFinderSSD::AliITSClusterFinderSSD():
+
+ //____________________________________________________________________
+ //
+ // Constructor
+ //______________________________________________________________________
+ AliITSClusterFinderSSD::AliITSClusterFinderSSD():
AliITSClusterFinder(),
fClusterP(0),
fNClusterP(0),
fSFB(0){
//Default constructor
}
+
//______________________________________________________________________
AliITSClusterFinderSSD::AliITSClusterFinderSSD(AliITSDetTypeRec* dettyp,
TClonesArray *digits):
SetDigits(digits);
SetMap(new AliITSMapA1(GetSeg(),Digits()));
- 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 = GetSeg()->Dpx(0);
fPNsignalRatio= 7./8.; // warning: hard-wired number
}
-//______________________________________________________________________}
+
+//______________________________________________________________________
AliITSClusterFinderSSD::AliITSClusterFinderSSD(AliITSDetTypeRec* dettyp):
AliITSClusterFinder(dettyp),
fClusterP(0),
fSFB(0){
//Standard constructor
- 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 = GetSeg()->Dpx(0);
fPNsignalRatio= 7./8.; // warning: hard-wired number
}
-//______________________________________________________________________
-AliITSClusterFinderSSD::AliITSClusterFinderSSD(const AliITSClusterFinderSSD &source) : AliITSClusterFinder(source) {
- // Copy constructor
- // Copies are not allowed. The method is protected to avoid misuse.
- Fatal("AliITSClusterFinderSSD","Copy constructor not allowed\n");
-}
-
-//______________________________________________________________________
-AliITSClusterFinderSSD& AliITSClusterFinderSSD::operator=(const AliITSClusterFinderSSD& /* source */){
- // Assignment operator
- // Assignment is not allowed. The method is protected to avoid misuse.
- Fatal("= operator","Assignment operator not allowed\n");
- return *this;
-}
-
//______________________________________________________________________
AliITSClusterFinderSSD::~AliITSClusterFinderSSD(){
- // Default destructor
-
- delete fClusterP;
- delete fClusterN;
- delete fPackages;
- delete fDigitsIndexP;
- delete fDigitsIndexN;
+ // 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);
fNDigitsP = 0;
fNDigitsN = 0;
Float_t stereoP,stereoN;
- GetSeg()->Angles(stereoP,stereoN);
- CalcStepFactor(stereoP,stereoN);
- AliDebug(1,Form("fSFF = %d fSFB = %d",fSFF,fSFB));
+ //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
-
-
+ // 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;
}
- Int_t lay, lad, detect;
+
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
- Map()->FillMap();
+ fMap->FillMap();
+
FillDigitsIndex();
+ if ( (fNDigitsP==0 ) || (fNDigitsN == 0 )) return;
+
SortDigits();
- FindNeighbouringDigits(); //ad. 2
+ FindNeighbouringDigits(module); //ad. 2
+
//SeparateOverlappedClusters(); //ad. 3
ClustersToPackages(); //ad. 4
- Map()->ClearMap();
+
+ 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
-
- AliDebug(1,Form("\n Found clusters: fNClusterP = %d fNClusterN =%d",fNClusterP,fNClusterN));
+ } // 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(){
// overlapped clusters separation
register Int_t i; //iterator
- Double_t factor=0.75; // How many percent must be lower signal
+ Float_t factor=0.75; // How many percent must be lower signal
// on the middle one digit
// from its neighbours
Int_t signal0; //signal on the strip before the current one
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])->
Int_t left;
if (start != (end - 1)){
- left=this->SortDigitsN(start,(start+end)/2);
- right=this->SortDigitsN((start+end)/2,end);
- return (left || right);
+ left=this->SortDigitsN(start,(start+end)/2);
+ right=this->SortDigitsN((start+end)/2,end);
+ return (left || right);
}else{
- left =((AliITSdigitSSD*)((*(Digits()))[(*fDigitsIndexN)[start]]))->
- GetStripNumber();
- right=((AliITSdigitSSD*)((*(Digits()))[(*fDigitsIndexN)[end]]))->
- GetStripNumber();
- if ( left > right ){
- Int_t tmp = (*fDigitsIndexN)[start];
- (*fDigitsIndexN)[start]=(*fDigitsIndexN)[end];
- (*fDigitsIndexN)[end]=tmp;
- return 1;
- }else return 0;
+ left =((AliITSdigitSSD*)((*(Digits()))[(*fDigitsIndexN)[start]]))->
+ GetStripNumber();
+ right=((AliITSdigitSSD*)((*(Digits()))[(*fDigitsIndexN)[end]]))->
+ GetStripNumber();
+ if ( left > right ){
+ Int_t tmp = (*fDigitsIndexN)[start];
+ (*fDigitsIndexN)[start]=(*fDigitsIndexN)[end];
+ (*fDigitsIndexN)[end]=tmp;
+ return 1;
+ }else return 0;
} // end if
}
//______________________________________________________________________
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 noentries;
Int_t i;
+ Int_t gain=0;
+ Int_t signal=0;
- noentries = NDigits();
+ noentries = fDigits->GetEntriesFast();
- Int_t* psidx = new Int_t [noentries*sizeof(Int_t)];
- Int_t* nsidx = new Int_t [noentries*sizeof(Int_t)];
if (fDigitsIndexP==NULL) fDigitsIndexP = new TArrayI(noentries);
if (fDigitsIndexN==NULL) fDigitsIndexN = new TArrayI(noentries);
AliITSdigitSSD *dig;
for ( i = 0 ; i< noentries; 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]){
- AliDebug(1,"Such a digit exists");
- 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]){
- AliDebug(1,"Such a digit exists");
- bit=0;
- } // end if
- } // for k
- // end comment
- if (bit) {
- fDigitsIndexN->AddAt(i,fNDigitsN++);
- nsidx[nns++] =tmp;
- } // end if bit
- } // end if
+
+ 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;
-
- AliDebug(1,Form("Digits: P = %d N = %d",fNDigitsP,fNDigitsN));
+ // if (debug) cout<<"Digits : P = "<<fNDigitsP<<" N = "<<fNDigitsN<<endl;
}
//______________________________________________________________________
void AliITSClusterFinderSSD::SortDigits(){
Int_t i;
if(fNDigitsP>1) for (i=0;i<fNDigitsP-1;i++)
- if (SortDigitsP(0,(fNDigitsP-1-i))==0) break;
+ if (SortDigitsP(0,(fNDigitsP-1-i))==0) break;
if(fNDigitsN>1) for (i=0;i<fNDigitsN-1;i++)
- if(SortDigitsN(0,(fNDigitsN-1-i))==0) break;
+ if(SortDigitsN(0,(fNDigitsN-1-i))==0) break;
}
//______________________________________________________________________
-void AliITSClusterFinderSSD::FillClIndexArrays(Int_t* arrayP,Int_t *arrayN)
- const{
+void AliITSClusterFinderSSD::FillClIndexArrays(Int_t* arrayP, Int_t *arrayN) const{
// fill cluster index array
register Int_t i;
Int_t i;
if(fNClusterP>1) for (i=0;i<fNClusterP-1;i++)
- if (SortClustersP(0,(fNClusterP-1),arrayP)==0) break;
- if(fNClusterN>1) for (i=0;i<fNClusterN-1;i++)
- if (SortClustersN(0,(fNClusterN-1),arrayN)==0) break;
+ if (SortClustersP(0,(fNClusterP-1),arrayP)==0) break;
+ if(fNClusterN>1) for (i=0;i<fNClusterN-1;i++)
+ if (SortClustersN(0,(fNClusterN-1),arrayN)==0) break;
}
//______________________________________________________________________
Int_t AliITSClusterFinderSSD::SortClustersP(Int_t start, Int_t end,
Int_t left;
if (start != (end - 1) ) {
- left=this->SortClustersP(start,(start+end)/2,array);
- right=this->SortClustersP((start+end)/2,end,array);
- return (left || right);
+ left=this->SortClustersP(start,(start+end)/2,array);
+ right=this->SortClustersP((start+end)/2,end,array);
+ return (left || right);
} else {
- left =((AliITSclusterSSD*)((*fClusterP)[array[start]]))->
- GetDigitStripNo(0);
- right=((AliITSclusterSSD*)((*fClusterP)[array[ end ]]))->
- GetDigitStripNo(0);
- if(left>right) {
- Int_t tmp = array[start];
- array[start]=array[end];
- array[end]=tmp;
- return 1;
- } else return 0;
+ left =((AliITSclusterSSD*)((*fClusterP)[array[start]]))->
+ GetDigitStripNo(0);
+ right=((AliITSclusterSSD*)((*fClusterP)[array[ end ]]))->
+ GetDigitStripNo(0);
+ if(left>right) {
+ Int_t tmp = array[start];
+ array[start]=array[end];
+ array[end]=tmp;
+ return 1;
+ } else return 0;
} // end if
}
//______________________________________________________________________
Int_t AliITSClusterFinderSSD::SortClustersN(Int_t start, Int_t end,
- Int_t *array){
+ Int_t *array){
//Sort N side clusters
Int_t right;
Int_t left;
if (start != (end - 1) ) {
- left=this->SortClustersN(start,(start+end)/2,array);
- right=this->SortClustersN((start+end)/2,end,array);
- return (left || right);
+ left=this->SortClustersN(start,(start+end)/2,array);
+ right=this->SortClustersN((start+end)/2,end,array);
+ return (left || right);
} else {
- left =((AliITSclusterSSD*)((*fClusterN)[array[start]]))->
- GetDigitStripNo(0);
- right=((AliITSclusterSSD*)((*fClusterN)[array[ end ]]))->
- GetDigitStripNo(0);
- if( left > right) {
- Int_t tmp = array[start];
- array[start]=array[end];
- array[end]=tmp;
- return 1;
- } else return 0;
+ left =((AliITSclusterSSD*)((*fClusterN)[array[start]]))->
+ GetDigitStripNo(0);
+ right=((AliITSclusterSSD*)((*fClusterN)[array[ end ]]))->
+ GetDigitStripNo(0);
+ if( left > right) {
+ Int_t tmp = array[start];
+ array[start]=array[end];
+ array[end]=tmp;
+ return 1;
+ } else return 0;
} // end if
}
//______________________________________________________________________
for (j1=0;j1<fNClusterP;j1++) {
currentP = GetPSideCluster(oneSclP[j1]);
Double_t xP = currentP->GetPosition();
- Double_t signalP = currentP->GetTotalSignal();
+ Float_t signalP = currentP->GetTotalSignal();
for (j2=0;j2<fNClusterN;j2++) {
currentN = GetNSideCluster(oneSclN[j2]);
Double_t xN = currentN->GetPosition();
- Double_t signalN = currentN->GetTotalSignal();
+ Float_t signalN = currentN->GetTotalSignal();
CreateNewRecPoint(xP,1,xN,1,signalP,signalN,currentP,currentN,
- 0.75);
+ 0.75);
} // end for j2
} // end for j1
delete [] oneSclN;
}
//______________________________________________________________________
-Bool_t AliITSClusterFinderSSD::CreateNewRecPoint(Double_t P,Double_t dP,
- Double_t N, Double_t dN,
- Double_t SigP,Double_t SigN,
+Bool_t AliITSClusterFinderSSD::CreateNewRecPoint(Float_t P,Float_t dP,
+ Float_t N, Float_t dN,
+ Float_t SigP,Float_t SigN,
AliITSclusterSSD *clusterP,
AliITSclusterSSD *clusterN,
Stat_t prob){
// create the recpoints
- const Double_t kADCtoKeV = 2.16;
+ const Float_t kADCtoKeV = 2.16;
// 50 ADC units -> 30000 e-h pairs; 1e-h pair -> 3.6e-3 KeV;
// 1 ADC unit -> (30000/50)*3.6e-3 = 2.16 KeV
- const Double_t kconv = 1.0e-4;
- const Double_t kRMSx = 20.0*kconv;
- const Double_t kRMSz = 800.0*kconv;
+ const Float_t kconv = 1.0e-4;
+ const Float_t kRMSx = 20.0*kconv;
+ const Float_t kRMSz = 800.0*kconv;
Int_t n=0;
Int_t *tr;
Int_t ntracks;
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();
- Double_t signal = 0;
- Double_t dedx = 0;
- if(SigP>SigN) {
- signal = SigP;
- dedx = SigP*kADCtoKeV;
- }else{
- signal = SigN;
- dedx = SigN*kADCtoKeV;
- } // end if SigP>SigN
- tr = (Int_t*) clusterP->GetTracks(n);
- ntracks = clusterP->GetNTracks();
- cnew.SetSignalP(SigP);
- cnew.SetSignalN(SigN);
- cnew.SetMultiplicity(nstripsP);
- cnew.SetMultN(nstripsN);
- cnew.SetQErr(TMath::Abs(SigP-SigN));
- cnew.SetNTrack(ntracks);
- fDetTypeRec->AddCluster(2,&cnew);
- AliITSRecPoint rnew(fDetTypeRec->GetITSgeom());
- rnew.SetXZ(fModule,P*kconv,N*kconv);
- rnew.SetQ(signal);
- rnew.SetdEdX(dedx);
- rnew.SetSigmaDetLocX2( kRMSx* kRMSx);
- rnew.SetSigmaZ2( kRMSz* kRMSz);
- rnew.SetLabel(tr[0],0);
- rnew.SetLabel(tr[1],1);
- rnew.SetLabel(tr[2],2);
- rnew.SetDetectorIndex(ind);
- rnew.SetLayer(lyr);
- fDetTypeRec->AddRecPoint(rnew);
- return kTRUE;
-
+ //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;
+ }else{
+ signal = SigN;
+ dedx = SigN*kADCtoKeV;
+ } // end if SigP>SigN
+ tr = (Int_t*) clusterP->GetTracks(n);
+ 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(Double_t Psteo, Double_t Nsteo){
+void AliITSClusterFinderSSD::CalcStepFactor(Float_t Psteo, Float_t Nsteo){
// calculate the step factor for matching clusters
// 95 is the pitch, 4000 - dimension along z ?
- Double_t dz=GetSeg()->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;
// get P side clusters
if((idx<0)||(idx>=fNClusterP)){
- Info("GetPSideCluster","0<index=%d<=%d out of range",idx,fNClusterP);
- return 0;
+ printf("AliITSClusterFinderSSD::GetPSideCluster: index out of range\n");
+ return 0;
}else{
- return (AliITSclusterSSD*)((*fClusterP)[idx]);
+ return (AliITSclusterSSD*)((*fClusterP)[idx]);
} // end if
}
//______________________________________________________________________
// get N side clusters
if((idx<0)||(idx>=fNClusterN)){
- Info("GetNSideCluster","0<index=%d >= %d out of range",idx,fNClusterN);
- return 0;
+ printf("AliITSClusterFinderSSD::GetNSideCluster: index out of range\n");
+ return 0;
}else{
- return (AliITSclusterSSD*)((*fClusterN)[idx]);
+ return (AliITSclusterSSD*)((*fClusterN)[idx]);
} // end if
}
//______________________________________________________________________
-Bool_t AliITSClusterFinderSSD::GetCrossing (Double_t &P, Double_t &N){
+AliITSclusterSSD* AliITSClusterFinderSSD::GetCluster(Int_t idx, Bool_t side){
+ // Get cluster
+
+ return (side) ? GetPSideCluster(idx) : GetNSideCluster(idx);
+}
+//______________________________________________________________________
+Bool_t AliITSClusterFinderSSD::GetCrossing (Float_t &P, Float_t &N){
// get crossing
// This function was rivised and changed by Boris Batiounia in March 2001
- Double_t dx = GetSeg()->Dx(); // detector size in x direction, microns
- Double_t dz = GetSeg()->Dz(); // detector size in z direction, microns
- Double_t xL; // x local coordinate
- Double_t zL; // z local coordinate
- Double_t x; // x = xL + dx/2
- Double_t z; // z = zL + dz/2
- Double_t xP; // x coordinate in the P side from the first P strip
- Double_t xN; // x coordinate in the N side from the first N strip
+ 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 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;
+ //fSegmentation->Angles(stereoP,stereoN);
GetSeg()->Angles(stereoP,stereoN);
+
+ //cout<<stereoP<<" "<<stereoN<<" "<<P<<" "<<N<<endl;
+
+ //cout<<" P="<<P<<", N="<<N<<endl;
+
fTanP=TMath::Tan(stereoP);
fTanN=TMath::Tan(stereoN);
- Double_t kP = fTanP; // Tangent of 0.0075 mrad
- Double_t kN = fTanN; // Tangent of 0.0275 mrad
+ 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);
+ 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;
return kTRUE;
}
//______________________________________________________________________
-void AliITSClusterFinderSSD::GetCrossingError(Double_t& dP, Double_t& dN){
+void AliITSClusterFinderSSD::GetCrossingError(Float_t& dP, Float_t& dN){
// get crossing error
- Double_t dz, dx;
+ Float_t dz, dx;
dz = TMath::Abs(( dP + dN )*fPitch/(fTanP + fTanN) );
dx = fPitch*(TMath::Abs(dP*(1 - fTanP/(fTanP + fTanN))) +
- TMath::Abs(dN *fTanP/(fTanP + fTanN) ));
+ TMath::Abs(dN *fTanP/(fTanP + fTanN) ));
dN = dz;
dP = dx;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff