/* $Id$ */
-// Clusterizer class developped by Zitchenko (Dubna)
+// Clusterizer class developped by A. Zinchenko (Dubna)
#include <stdlib.h>
#include <Riostream.h>
#include "AliMUONClusterInput.h"
#include "AliMUONPixel.h"
#include "AliMC.h"
+#include "AliMUONLoader.h"
#include "AliLog.h"
ClassImp(AliMUONClusterFinderAZ)
const Double_t AliMUONClusterFinderAZ::fgkCouplMin = 1.e-3; // threshold on coupling
AliMUONClusterFinderAZ* AliMUONClusterFinderAZ::fgClusterFinder = 0x0;
TMinuit* AliMUONClusterFinderAZ::fgMinuit = 0x0;
+//FILE *lun1 = fopen("nxny.dat","w");
//_____________________________________________________________________________
AliMUONClusterFinderAZ::AliMUONClusterFinderAZ(Bool_t draw, Int_t iReco)
{
// Constructor
for (Int_t i=0; i<4; i++) {fHist[i] = 0;}
- fMuonDigits = 0;
- // fSegmentation[1] = fSegmentation[0] = 0;
- fgClusterFinder = 0x0;
- fgMinuit = 0x0;
+ //fMuonDigits = 0;
+ fSegmentation[1] = fSegmentation[0] = 0;
+ //AZ fgClusterFinder = 0x0;
+ //AZ fgMinuit = 0x0;
if (!fgClusterFinder) fgClusterFinder = this;
if (!fgMinuit) fgMinuit = new TMinuit(8);
fDraw = draw;
fReco = iReco;
fPixArray = new TObjArray(20);
- /*
- fPoints = 0;
- fPhits = 0;
- fRpoints = 0;
- fCanvas = 0;
- fNextCathode = kFALSE;
- fColPad = 0;
- */
+ fDebug = 0; //0;
+ if (draw) fDebug = 1;
}
//_____________________________________________________________________________
{
// Destructor
delete fgMinuit; fgMinuit = 0; delete fPixArray; fPixArray = 0;
- /*
- // Delete space point structure
- if (fPoints) fPoints->Delete();
- delete fPoints;
- fPoints = 0;
- //
- if (fPhits) fPhits->Delete();
- delete fPhits;
- fPhits = 0;
- //
- if (fRpoints) fRpoints->Delete();
- delete fRpoints;
- fRpoints = 0;
- */
}
//_____________________________________________________________________________
{
// To provide the same interface as in AliMUONClusterFinderVS
+ ResetRawClusters(); //AZ
EventLoop (gAlice->GetHeader()->GetEvent(), AliMUONClusterInput::Instance()->Chamber());
}
//_____________________________________________________________________________
void AliMUONClusterFinderAZ::EventLoop(Int_t nev=0, Int_t ch=0)
{
-// Loop over events
+// Loop over digits
- FILE *lun = 0;
- TCanvas *c1 = 0;
- TView *view = 0;
- TH2F *hist = 0;
- Double_t p1[3]={0}, p2[3];
- TTree *treeR = 0;
+ static Int_t nev0 = -1, ch0 = -1;
if (fDraw) {
- // File
- lun = fopen("pool.dat","w");
- c1 = new TCanvas("c1","Clusters",0,0,600,700);
- c1->Divide(1,2);
- new TCanvas("c2","Mlem",700,0,600,350);
+ // Find requested event and chamber
+ if (nev < nev0) return;
+ else if (nev == nev0 && ch < ch0) return;
}
+ nev0 = nev;
+ ch0 = ch;
-newev:
- Int_t nparticles = 0, nent;
-
- //Loaders
- AliRunLoader * rl = AliRunLoader::GetRunLoader();
- AliLoader * gime = rl->GetLoader("MUONLoader");
-
- if (!fReco) nparticles = rl->GetEvent(nev);
- else nparticles = gAlice->GetMCApp()->GetNtrack();
- AliInfo(Form("nev %d",nev));
- AliInfo(Form("nparticles %d",nparticles));
- if (nparticles <= 0) return;
-
- TTree *treeH = gime->TreeH();
- Int_t ntracks = (Int_t) treeH->GetEntries();
- AliInfo(Form("ntracks %d",ntracks));
-
- // Get pointers to Alice detectors and Digits containers
- AliMUON *muon = (AliMUON*) gAlice->GetModule("MUON");
- if (!muon) return;
- // TClonesArray *Particles = gAlice->Particles();
- if (!fReco) {
- treeR = gime->TreeR();
- if (treeR) {
- muon->ResetRawClusters();
- nent = (Int_t) treeR->GetEntries();
- if (nent != 1) {
- AliError(Form("nent = %d not equal to 1",nent));
- //exit(0);
- }
- } // if (treeR)
- } // if (!fReco)
-
- TTree *treeD = gime->TreeD();
- //muon->ResetDigits();
-
- TClonesArray *listMUONrawclust ;
- AliMUONChamber* iChamber = 0;
-
- // As default draw the first cluster of the chamber #0
-
-newchamber:
- if (ch > 9) {if (fReco) return; nev++; ch = 0; goto newev;}
- //gAlice->ResetDigits();
- fMuonDigits = muon->GetMUONData()->Digits(ch);
- if (fMuonDigits == 0) return;
- iChamber = &(muon->Chamber(ch));
- fSeg2[0] = iChamber->SegmentationModel2(1);
- fSeg2[1] = iChamber->SegmentationModel2(2);
-
+ AliMUON *pMuon = (AliMUON*) gAlice->GetModule("MUON");
+ AliMUONChamber *iChamber = &(pMuon->Chamber(ch));
+ //fSegmentation[0] = iChamber->SegmentationModel(1);
+ //fSegmentation[1] = iChamber->SegmentationModel(2);
fResponse = iChamber->ResponseModel();
+ fSegmentation[0] = AliMUONClusterInput::Instance()->Segmentation2(0);
+ fSegmentation[1] = AliMUONClusterInput::Instance()->Segmentation2(1);
+ //AZ fResponse = AliMUONClusterInput::Instance()->Response();
- nent = 0;
-
- if (treeD) {
- nent = (Int_t) treeD->GetEntries();
- //printf(" entries %d \n", nent);
- }
-
Int_t ndigits[2]={9,9}, nShown[2]={0};
for (Int_t i=0; i<2; i++) {
for (Int_t j=0; j<fgkDim; j++) {fUsed[i][j]=kFALSE;}
if (ndigits[0] == nShown[0] && ndigits[1] == nShown[1]) {
// No more clusters
if (fReco) return;
- ch++;
- goto newchamber; // next chamber
+ //AZ ch0++;
+ return; // next chamber
}
Float_t xpad, ypad, zpad, zpad0;
- TLine *line[99]={0};
- Int_t nLine = 0;
Bool_t first = kTRUE;
- AliInfo(Form(" *** Event # %d chamber: %d " , nev ,ch ));
+ if (fDebug) cout << " *** Event # " << nev << " chamber: " << ch << endl;
fnPads[0] = fnPads[1] = 0;
for (Int_t i=0; i<fgkDim; i++) {fPadIJ[1][i] = 0;}
- //for (Int_t iii = 0; iii<999; iii++) {
+
for (Int_t iii = 0; iii<2; iii++) {
Int_t cath = TMath::Odd(iii);
- gAlice->ResetDigits();
- treeD->GetEvent(cath);
- fMuonDigits = muon->GetMUONData()->Digits(ch);
-
- ndigits[cath] = fMuonDigits->GetEntriesFast();
- if (!ndigits[0] && !ndigits[1]) {if (fReco) return; ch++; goto newchamber;}
+ ndigits[cath] = AliMUONClusterInput::Instance()->NDigits(cath); //AZ
+ if (!ndigits[0] && !ndigits[1]) return;
if (ndigits[cath] == 0) continue;
- AliInfo(Form(" ndigits: %d %d " , ndigits[cath] , cath));
+ if (fDebug) cout << " ndigits: " << ndigits[cath] << " " << cath << endl;
AliMUONDigit *mdig;
Int_t digit;
Bool_t eEOC = kTRUE; // end-of-cluster
for (digit = 0; digit < ndigits[cath]; digit++) {
- mdig = (AliMUONDigit*)fMuonDigits->UncheckedAt(digit);
- if (mdig->Cathode() != cath) continue;
+ mdig = AliMUONClusterInput::Instance()->Digit(cath,digit);
if (first) {
// Find first unused pad
if (fUsed[cath][digit]) continue;
- fSeg2[cath]->GetPadC(fInput->DetElemId(), mdig->PadX(),mdig->PadY(),xpad,ypad,zpad0);
-
+ fSegmentation[cath]->GetPadC(fInput->DetElemId(),mdig->PadX(),mdig->PadY(),xpad,ypad,zpad0);
} else {
if (fUsed[cath][digit]) continue;
- fSeg2[cath]->GetPadC(fInput->DetElemId(), mdig->PadX(),mdig->PadY(),xpad,ypad,zpad);
-
- if (TMath::Abs(zpad-zpad0)>0.1) continue; // different slats
+ fSegmentation[cath]->GetPadC(fInput->DetElemId(),mdig->PadX(),mdig->PadY(),xpad,ypad,zpad);
+ if (TMath::Abs(zpad-zpad0) > 0.1) continue; // different slats
// Find a pad overlapping with the cluster
if (!Overlap(cath,mdig)) continue;
}
// Add pad - recursive call
AddPad(cath,digit);
+ //AZ !!!!!! Temporary fix of St1 overlap regions !!!!!!!!
+ if (cath && ch < 2) {
+ Int_t npads = fnPads[0] + fnPads[1] - 1;
+ Int_t cath1 = fPadIJ[0][npads];
+ Int_t idig = TMath::Nint (fXyq[5][npads]);
+ mdig = AliMUONClusterInput::Instance()->Digit(cath1,idig);
+ fSegmentation[cath1]->GetPadC(fInput->DetElemId(),mdig->PadX(),mdig->PadY(),xpad,ypad,zpad);
+ if (TMath::Abs(zpad-zpad0) > 0.1) zpad0 = zpad;
+ }
eEOC = kFALSE;
if (digit >= 0) break;
}
if (first && eEOC) {
// No more unused pads
if (cath == 0) continue; // on cathode #0 - check #1
- else {
- // No more clusters
- if (fReco) return;
- ch++;
- goto newchamber; // next chamber
- }
+ else return; // No more clusters
}
if (eEOC) break; // cluster found
first = kFALSE;
- AliInfo(Form(" nPads: %d %d %d ",fnPads[cath] ,nShown[cath]+fnPads[cath],cath));
+ if (fDebug) cout << " nPads: " << fnPads[cath] << " " << nShown[cath]+fnPads[cath] << " " << cath << endl;
} // for (Int_t iii = 0;
+ fZpad = zpad0;
+ if (fDraw) DrawCluster(nev0, ch0);
+
+ // Use MLEM for cluster finder
+ Int_t nMax = 1, localMax[100], maxPos[100];
+ Double_t maxVal[100];
- if (fReco) goto skip;
+ if (CheckPrecluster(nShown)) {
+ BuildPixArray();
+ if (fnPads[0]+fnPads[1] > 50) nMax = FindLocalMaxima(localMax, maxVal);
+ if (nMax > 1) TMath::Sort(nMax, maxVal, maxPos, kTRUE); // in decreasing order
+ Int_t iSimple = 0, nInX = -1, nInY;
+ PadsInXandY(nInX, nInY);
+ if (fDebug) cout << "Pads in X and Y: " << nInX << " " << nInY << endl;
+ if (nMax == 1 && nInX < 4 && nInY < 4) iSimple = 0; //1; // simple cluster
+ for (Int_t i=0; i<nMax; i++) {
+ if (nMax > 1) FindCluster(localMax, maxPos[i]);
+ if (!MainLoop(iSimple)) cout << " MainLoop failed " << endl;
+ if (i < nMax-1) {
+ for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
+ if (fPadIJ[1][j] == 0) continue; // pad charge was not modified
+ fPadIJ[1][j] = 0;
+ fXyq[2][j] = fXyq[6][j]; // use backup charge value
+ }
+ }
+ }
+ }
+ if (fReco || Next(nev0, ch0)) goto next;
+}
+
+//_____________________________________________________________________________
+void AliMUONClusterFinderAZ::DrawCluster(Int_t nev0, Int_t ch0)
+{
+ // Draw preclusters
+ TCanvas *c1 = 0;
+ TView *view = 0;
+ TH2F *hist = 0;
+ Double_t p1[3]={0}, p2[3];
+ if (!gPad) {
+ c1 = new TCanvas("c1","Clusters",0,0,600,700);
+ //c1->SetFillColor(10);
+ c1->Divide(1,2);
+ new TCanvas("c2","Mlem",700,0,600,350);
+ } else {
+ c1 = (TCanvas*) gROOT->GetListOfCanvases()->FindObject("c1");
+ }
+
+ Int_t ntracks = 0;
+
+ // Get pointer to Alice detectors
+ AliMUON *muon = (AliMUON*) gAlice->GetModule("MUON");
+ if (!muon) return;
+
+ //Loaders
+ AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ AliLoader *gime = rl->GetLoader("MUONLoader");
+ AliMUONData *data = ((AliMUONLoader*)gime)->GetMUONData();
+
+ gime->LoadHits("READ");
+ TTree *treeH = gime->TreeH();
+ ntracks = (Int_t) treeH->GetEntries();
+ cout << " nev " << nev0 << " ntracks " << ntracks << endl;
+ gime->LoadRecPoints("READ");
+ TTree *treeR = data->TreeR();
+ if (treeR) {
+ data->SetTreeAddress("RC");
+ data->GetRawClusters();
+ }
+
+ TLine *line[99]={0};
+ Int_t nLine = 0;
char hName[4];
for (Int_t cath = 0; cath<2; cath++) {
// Build histograms
if (fXyq[4][i] < wyMin) {wyMin = fXyq[4][i]; minDy = i;}
if (fXyq[4][i] > wyMax) {wyMax = fXyq[4][i]; maxDy = i;}
}
- AliInfo(Form("%d %d %d %d", minDx , maxDx , minDy , maxDy ));
+ cout << minDx << maxDx << minDy << maxDy << endl;
Int_t nx, ny, padSize;
Float_t xmin=9999, xmax=-9999, ymin=9999, ymax=-9999;
if (TMath::Nint(fXyq[3][minDx]*1000) == TMath::Nint(fXyq[3][maxDx]*1000) &&
TMath::Nint(fXyq[4][minDy]*1000) == TMath::Nint(fXyq[4][maxDy]*1000)) {
// the same segmentation
- AliInfo(" Same");
- AliInfo(Form("%f %f %f %f ",fXyq[3][minDx],fXyq[3][maxDx],fXyq[4][minDy],fXyq[4][maxDy]));
+ cout << " Same" << endl;
+ cout << fXyq[3][minDx] << " " << fXyq[3][maxDx] << " " << fXyq[4][minDy] << " " << fXyq[4][maxDy] << endl;
for (Int_t i=0; i<fnPads[0]+fnPads[1]; i++) {
if (fPadIJ[0][i] != cath) continue;
if (fXyq[0][i] < xmin) xmin = fXyq[0][i];
ymin -= fXyq[4][minDy]; ymax += fXyq[4][minDy];
nx = TMath::Nint ((xmax-xmin)/wxMin/2);
ny = TMath::Nint ((ymax-ymin)/wyMin/2);
+ cout << xmin << " " << xmax << " " << nx << " " << ymin << " " << ymax << " " << ny << endl;
sprintf(hName,"h%d",cath*2);
fHist[cath*2] = new TH2F(hName,"cluster",nx,xmin,xmax,ny,ymin,ymax);
- cout << fHist[cath*2] << " " << fnPads[cath] << endl;
+ //cout << fHist[cath*2] << " " << fnPads[cath] << endl;
for (Int_t i=0; i<fnPads[0]+fnPads[1]; i++) {
if (fPadIJ[0][i] != cath) continue;
fHist[cath*2]->Fill(fXyq[0][i],fXyq[1][i],fXyq[2][i]);
}
} else {
// different segmentation in the cluster
- AliInfo(" Different\n");
- AliInfo(Form("%f %f %f %f ",fXyq[3][minDx],fXyq[3][maxDx],fXyq[4][minDy],fXyq[4][maxDy]));
+ cout << " Different" << endl;
+ cout << fXyq[3][minDx] << " " << fXyq[3][maxDx] << " " << fXyq[4][minDy] << " " << fXyq[4][maxDy] << endl;
Int_t nOK = 0;
Int_t indx, locMin, locMax;
if (TMath::Nint(fXyq[3][minDx]*1000) != TMath::Nint(fXyq[3][maxDx]*1000)) {
fHist[cath*2+i]->Fill(fXyq[0][j],fXyq[1][j],fXyq[2][j]);
}
} // for (Int_t i=0;
- if (nOK != fnPads[cath])
- AliInfo(Form(" *** Too many segmentations: nPads, nOK %d %d",fnPads[cath],nOK));
+ if (nOK != fnPads[cath]) cout << " *** Too many segmentations: nPads, nOK " << fnPads[cath] << " " << nOK << endl;
} // if (TMath::Nint(fXyq[3][minDx]*1000)
} // for (Int_t cath = 0;
}
}
}
- AliInfo(Form("%f %f \n",r1,r2));
+ cout << r1 << " " << r2 << endl;
} // if (fHist[cath*2+1])
if (r1 > r2) {
//fHist[cath*2]->Draw("lego1");
p2[2] = hist->GetMaximum();
view = 0;
if (c1) view = c1->Pad()->GetView();
- AliInfo(" *** GEANT hits *** ");
+ cout << " *** GEANT hits *** " << endl;
fnMu = 0;
Int_t ix, iy, iok;
for (Int_t i=0; i<ntracks; i++) {
for (AliMUONHit* mHit=(AliMUONHit*)muon->FirstHit(-1);
mHit;
mHit=(AliMUONHit*)muon->NextHit()) {
- if (mHit->Chamber() != ch+1) continue; // chamber number
- if (TMath::Abs(mHit->Z()-zpad0) > 1) continue; // different slat
+ if (mHit->Chamber() != ch0+1) continue; // chamber number
+ if (TMath::Abs(mHit->Z()-fZpad) > 1) continue; // different slat
p2[0] = p1[0] = mHit->X(); // x-pos of hit
p2[1] = p1[1] = mHit->Y(); // y-pos
if (p1[0] < hist->GetXaxis()->GetXmin() ||
gStyle->SetLineColor(1);
if (TMath::Abs((Int_t)mHit->Particle()) == 13) {
gStyle->SetLineColor(4);
- fnMu++;
- if (fnMu <= 2) {
- fxyMu[fnMu-1][0] = p1[0];
- fxyMu[fnMu-1][1] = p1[1];
+ if (fnMu < 2) {
+ fxyMu[fnMu][0] = p1[0];
+ fxyMu[fnMu++][1] = p1[1];
}
}
- AliInfo(Form(" X=%10.4f, Y=%10.4f, Z=%10.4f\n",p1[0],p1[1],mHit->Z()));
+ if (fDebug) printf(" X=%10.4f, Y=%10.4f, Z=%10.4f\n",p1[0],p1[1],mHit->Z());
if (view) {
+ // Take into account track angles
+ p2[0] += mHit->Tlength() * TMath::Sin(mHit->Theta()/180*TMath::Pi())
+ * TMath::Cos(mHit->Phi()/180*TMath::Pi()) / 2;
+ p2[1] += mHit->Tlength() * TMath::Sin(mHit->Theta()/180*TMath::Pi())
+ * TMath::Sin(mHit->Phi()/180*TMath::Pi()) / 2;
view->WCtoNDC(p1, &xNDC[0]);
view->WCtoNDC(p2, &xNDC[3]);
for (Int_t ipad=1; ipad<3; ipad++) {
} // for (Int_t i=0; i<ntracks;
// Draw reconstructed coordinates
- listMUONrawclust = muon->GetMUONData()->RawClusters(ch);
- treeR->GetEvent(ch);
- //cout << listMUONrawclust << " " << listMUONrawclust ->GetEntries() << endl;
+ TClonesArray *listMUONrawclust = data->RawClusters(ch0);
AliMUONRawCluster *mRaw;
gStyle->SetLineColor(3);
- AliInfo(" *** Reconstructed hits *** ");
- for (Int_t i=0; i<listMUONrawclust ->GetEntries(); i++) {
- mRaw = (AliMUONRawCluster*)listMUONrawclust ->UncheckedAt(i);
- if (TMath::Abs(mRaw->GetZ(0)-zpad0) > 1) continue; // different slat
- p2[0] = p1[0] = mRaw->GetX(0); // x-pos of hit
- p2[1] = p1[1] = mRaw->GetY(0); // y-pos
- if (p1[0] < hist->GetXaxis()->GetXmin() ||
- p1[0] > hist->GetXaxis()->GetXmax()) continue;
- if (p1[1] < hist->GetYaxis()->GetXmin() ||
- p1[1] > hist->GetYaxis()->GetXmax()) continue;
- /*
- treeD->GetEvent(cath);
- cout << mRaw->fMultiplicity[0] << mRaw->fMultiplicity[1] << endl;
- for (Int_t j=0; j<mRaw->fMultiplicity[cath]; j++) {
- Int_t digit = mRaw->fIndexMap[j][cath];
- cout << ((AliMUONDigit*)fMuonDigits->UncheckedAt(digit))->Signal() << endl;
+ cout << " *** Reconstructed hits *** " << endl;
+ if (listMUONrawclust) {
+ for (Int_t i=0; i<listMUONrawclust ->GetEntries(); i++) {
+ mRaw = (AliMUONRawCluster*)listMUONrawclust ->UncheckedAt(i);
+ if (TMath::Abs(mRaw->GetZ(0)-fZpad) > 1) continue; // different slat
+ p2[0] = p1[0] = mRaw->GetX(0); // x-pos of hit
+ p2[1] = p1[1] = mRaw->GetY(0); // y-pos
+ if (p1[0] < hist->GetXaxis()->GetXmin() ||
+ p1[0] > hist->GetXaxis()->GetXmax()) continue;
+ if (p1[1] < hist->GetYaxis()->GetXmin() ||
+ p1[1] > hist->GetYaxis()->GetXmax()) continue;
+ /*
+ treeD->GetEvent(cath);
+ cout << mRaw->fMultiplicity[0] << mRaw->fMultiplicity[1] << endl;
+ for (Int_t j=0; j<mRaw->fMultiplicity[cath]; j++) {
+ Int_t digit = mRaw->fIndexMap[j][cath];
+ cout << ((AliMUONDigit*)fMuonDigits->UncheckedAt(digit))->Signal() << endl;
+ }
+ */
+ // Check if track comes thru pads with signal
+ iok = 0;
+ for (Int_t ihist=0; ihist<4; ihist++) {
+ if (!fHist[ihist]) continue;
+ ix = fHist[ihist]->GetXaxis()->FindBin(p1[0]);
+ iy = fHist[ihist]->GetYaxis()->FindBin(p1[1]);
+ if (fHist[ihist]->GetCellContent(ix,iy) > 0.5) {iok = 1; break;}
}
- */
- // Check if track comes thru pads with signal
- iok = 0;
- for (Int_t ihist=0; ihist<4; ihist++) {
- if (!fHist[ihist]) continue;
- ix = fHist[ihist]->GetXaxis()->FindBin(p1[0]);
- iy = fHist[ihist]->GetYaxis()->FindBin(p1[1]);
- if (fHist[ihist]->GetCellContent(ix,iy) > 0.5) {iok = 1; break;}
- }
- if (!iok) continue;
- AliInfo(Form(" X=%10.4f, Y=%10.4f, Z=%10.4f\n",p1[0],p1[1],mRaw->GetZ(0)));
- if (view) {
- view->WCtoNDC(p1, &xNDC[0]);
- view->WCtoNDC(p2, &xNDC[3]);
- for (Int_t ipad=1; ipad<3; ipad++) {
- c1->cd(ipad);
- line[nLine] = new TLine(xNDC[0],xNDC[1],xNDC[3],xNDC[4]);
- line[nLine++]->Draw();
- }
- }
- } // for (Int_t i=0; i<listMUONrawclust ->GetEntries();
- if (fDraw) c1->Update();
-
-skip:
- // Use MLEM for cluster finder
- fZpad = zpad0;
- Int_t nMax = 1, localMax[100], maxPos[100];
- Double_t maxVal[100];
-
- if (CheckPrecluster(nShown)) {
- BuildPixArray();
- if (fnPads[0]+fnPads[1] > 50) nMax = FindLocalMaxima(localMax, maxVal);
- if (nMax > 1) TMath::Sort(nMax, maxVal, maxPos, kTRUE); // in decreasing order
- for (Int_t i=0; i<nMax; i++) {
- if (nMax > 1) FindCluster(localMax, maxPos[i]);
- if (!MainLoop()) AliInfo(" MainLoop failed ");
- if (i < nMax-1) {
- for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
- if (fPadIJ[1][j] == 0) continue; // pad charge was not modified
- fPadIJ[1][j] = 0;
- fXyq[2][j] = fXyq[5][j]; // use backup charge value
+ if (!iok) continue;
+ if (fDebug) printf(" X=%10.4f, Y=%10.4f, Z=%10.4f\n",p1[0],p1[1],mRaw->GetZ(0));
+ if (view) {
+ view->WCtoNDC(p1, &xNDC[0]);
+ view->WCtoNDC(p2, &xNDC[3]);
+ for (Int_t ipad=1; ipad<3; ipad++) {
+ c1->cd(ipad);
+ line[nLine] = new TLine(xNDC[0],xNDC[1],xNDC[3],xNDC[4]);
+ line[nLine++]->Draw();
}
}
- }
- }
- if (fReco) goto next;
+ } // for (Int_t i=0; i<listMUONrawclust ->GetEntries();
+ } // if (listMUONrawclust)
+ c1->Update();
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONClusterFinderAZ::Next(Int_t &nev0, Int_t &ch0)
+{
+ // What to do next?
+ // File
+ FILE *lun = 0;
+ //lun = fopen("pull.dat","w");
for (Int_t i=0; i<fnMu; i++) {
// Check again if muon come thru the used pads (due to extra splitting)
for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
if (TMath::Abs(fxyMu[i][0]-fXyq[0][j])<fXyq[3][j] &&
TMath::Abs(fxyMu[i][1]-fXyq[1][j])<fXyq[4][j]) {
- AliInfo(Form("%12.3e %12.3e %12.3e %12.3e\n",fxyMu[i][2],fxyMu[i][3],fxyMu[i][4],fxyMu[i][5]));
- if (lun) fprintf(lun,"%4d %2d %12.3e %12.3e %12.3e %12.3e\n",nev,ch,fxyMu[i][2],fxyMu[i][3],fxyMu[i][4],fxyMu[i][5]);
+ if (fDebug) printf("%12.3e %12.3e %12.3e %12.3e\n",fxyMu[i][2],fxyMu[i][3],fxyMu[i][4],fxyMu[i][5]);
+ if (lun) fprintf(lun,"%4d %2d %12.3e %12.3e %12.3e %12.3e\n",nev0,ch0,fxyMu[i][2],fxyMu[i][3],fxyMu[i][4],fxyMu[i][5]);
break;
}
}
// What's next?
char command[8];
- AliInfo(" What is next? ");
+ cout << " What is next? " << endl;
command[0] = ' ';
- if (fDraw) gets(command);
- if (command[0] == 'n' || command[0] == 'N') {nev++; goto newev;} // next event
- else if (command[0] == 'q' || command[0] == 'Q') {fclose(lun); return;} // exit display
- //else if (command[0] == 'r' || command[0] == 'R') goto redraw; // redraw points
- else if (command[0] == 'c' || command[0] == 'C') {
- // new chamber
- sscanf(command+1,"%d",&ch);
- goto newchamber;
- }
- else if (command[0] == 'e' || command[0] == 'E') {
- // new event
- sscanf(command+1,"%d",&nev);
- goto newev;
- }
- else goto next; // Next cluster
+ gets(command);
+ if (command[0] == 'n' || command[0] == 'N') {nev0++; ch0 = 0; } // next event
+ else if (command[0] == 'q' || command[0] == 'Q') { if (lun) fclose(lun); } // exit display
+ else if (command[0] == 'c' || command[0] == 'C') sscanf(command+1,"%d",&ch0); // new chamber
+ else if (command[0] == 'e' || command[0] == 'E') { sscanf(command+1,"%d",&nev0); ch0 = 0; } // new event
+ else return 1; // Next precluster
+ return 0;
}
+
//_____________________________________________________________________________
void AliMUONClusterFinderAZ::ModifyHistos(void)
{
- // Modify histograms to bring them to the same size
+ // Modify histograms to bring them to (approximately) the same size
Int_t nhist = 0;
Float_t hlim[4][4], hbin[4][4]; // first index - xmin, xmax, ymin, ymax
+
Float_t binMin[4] = {999,999,999,999};
- for (Int_t i=0; i<4; i++) {
- if (!fHist[i]) continue;
- hlim[0][nhist] = fHist[i]->GetXaxis()->GetXmin(); // xmin
- hlim[1][nhist] = fHist[i]->GetXaxis()->GetXmax(); // xmax
- hlim[2][nhist] = fHist[i]->GetYaxis()->GetXmin(); // ymin
- hlim[3][nhist] = fHist[i]->GetYaxis()->GetXmax(); // ymax
- hbin[0][nhist] = hbin[1][nhist] = fHist[i]->GetXaxis()->GetBinWidth(1);
- hbin[2][nhist] = hbin[3][nhist] = fHist[i]->GetYaxis()->GetBinWidth(1);
- binMin[0] = TMath::Min(binMin[0],hbin[0][nhist]);
- binMin[2] = TMath::Min(binMin[2],hbin[2][nhist]);
+ for (Int_t i = 0; i < 4; i++) {
+ if (!fHist[i]) {
+ hlim[0][i] = hlim[2][i] = 999;
+ hlim[1][i] = hlim[3][i] = -999;
+ continue;
+ }
+ hlim[0][i] = fHist[i]->GetXaxis()->GetXmin(); // xmin
+ hlim[1][i] = fHist[i]->GetXaxis()->GetXmax(); // xmax
+ hlim[2][i] = fHist[i]->GetYaxis()->GetXmin(); // ymin
+ hlim[3][i] = fHist[i]->GetYaxis()->GetXmax(); // ymax
+ hbin[0][i] = hbin[1][i] = fHist[i]->GetXaxis()->GetBinWidth(1);
+ hbin[2][i] = hbin[3][i] = fHist[i]->GetYaxis()->GetBinWidth(1);
+ binMin[0] = TMath::Min(binMin[0],hbin[0][i]);
+ binMin[2] = TMath::Min(binMin[2],hbin[2][i]);
nhist++;
}
binMin[1] = binMin[0];
binMin[3] = binMin[2];
- AliInfo(Form(" Nhist: %d",nhist));
+ cout << " Nhist: " << nhist << endl;
+
+ // Adjust histo limits for cathode with different segmentation
+ for (Int_t i = 0; i < 4; i+=2) {
+ if (!fHist[i+1]) continue;
+ Int_t imin, imax, i1 = i + 1;
+ for (Int_t lim = 0; lim < 4; lim++) {
+ while (1) {
+ if (hlim[lim][i] < hlim[lim][i1]) {
+ imin = i;
+ imax = i1;
+ } else {
+ imin = i1;
+ imax = i;
+ }
+ if (TMath::Abs(hlim[lim][imin]-hlim[lim][imax])<0.01*binMin[lim]) break;
+ if (lim == 0 || lim == 2) {
+ // find lower limit
+ hlim[lim][imax] -= hbin[lim][imax];
+ } else {
+ // find upper limit
+ hlim[lim][imin] += hbin[lim][imin];
+ }
+ } // while (1)
+ }
+ }
+
- Int_t imin, imax;
- for (Int_t lim=0; lim<4; lim++) {
- while (1) {
- imin = TMath::LocMin(nhist,hlim[lim]);
- imax = TMath::LocMax(nhist,hlim[lim]);
- if (TMath::Abs(hlim[lim][imin]-hlim[lim][imax])<0.01*binMin[lim]) break;
- if (lim == 0 || lim == 2) {
- // find lower limit
- hlim[lim][imax] -= hbin[lim][imax];
- } else {
- // find upper limit
- hlim[lim][imin] += hbin[lim][imin];
- }
- } // while (1)
+ Int_t imnmx = 0, nExtra = 0;
+ for (Int_t lim = 0; lim < 4; lim++) {
+ if (lim == 0 || lim == 2) imnmx = TMath::LocMin(4,hlim[lim]); // find lower limit
+ else imnmx = TMath::LocMax(4,hlim[lim]); // find upper limit
+
+ // Adjust histogram limit
+ for (Int_t i = 0; i < 4; i++) {
+ if (!fHist[i]) continue;
+ nExtra = TMath::Nint ((hlim[lim][imnmx]-hlim[lim][i]) / hbin[lim][i]);
+ hlim[lim][i] += nExtra * hbin[lim][i];
+ }
}
// Rebuild histograms
- nhist = 0;
TH2F *hist = 0;
Int_t nx, ny;
Double_t x, y, cont, cmax=0;
char hName[4];
for (Int_t ihist=0; ihist<4; ihist++) {
if (!fHist[ihist]) continue;
- nx = TMath::Nint((hlim[1][nhist]-hlim[0][nhist])/hbin[0][nhist]);
- ny = TMath::Nint((hlim[3][nhist]-hlim[2][nhist])/hbin[2][nhist]);
- //hist = new TH2F("h","hist",nx,hlim[0][nhist],hlim[1][nhist],ny,hlim[2][nhist],hlim[3][nhist]);
+ nx = TMath::Nint((hlim[1][ihist]-hlim[0][ihist])/hbin[0][ihist]);
+ ny = TMath::Nint((hlim[3][ihist]-hlim[2][ihist])/hbin[2][ihist]);
+ cout << ihist << " " << hlim[0][ihist] << " " << hlim[1][ihist] << " " << nx;
+ cout << " " << hlim[2][ihist] << " " << hlim[3][ihist] << " " << ny << endl;
sprintf(hName,"hh%d",ihist);
- hist = new TH2F(hName,"hist",nx,hlim[0][nhist],hlim[1][nhist],ny,hlim[2][nhist],hlim[3][nhist]);
+ hist = new TH2F(hName,"hist",nx,hlim[0][ihist],hlim[1][ihist],ny,hlim[2][ihist],hlim[3][ihist]);
for (Int_t i=1; i<=fHist[ihist]->GetNbinsX(); i++) {
x = fHist[ihist]->GetXaxis()->GetBinCenter(i);
for (Int_t j=1; j<=fHist[ihist]->GetNbinsY(); j++) {
}
}
cmax = TMath::Max (cmax,hist->GetMaximum());
+ sprintf(hName,"%s%d",fHist[ihist]->GetName(),ihist);
fHist[ihist]->Delete();
fHist[ihist] = new TH2F(*hist);
+ fHist[ihist]->SetName(hName);
+ fHist[ihist]->SetNdivisions(505,"Z");
hist->Delete();
- nhist++;
}
- AliInfo(Form("%f \n",cmax));
+ if (fDebug) printf("%f \n",cmax);
for (Int_t ihist=0; ihist<4; ihist++) {
if (!fHist[ihist]) continue;
fHist[ihist]->SetMaximum(cmax);
+ fHist[ihist]->SetMinimum(0);
}
}
void AliMUONClusterFinderAZ::AddPad(Int_t cath, Int_t digit)
{
// Add pad to the cluster
- AliMUONDigit *mdig = (AliMUONDigit*)fMuonDigits->UncheckedAt(digit);
+ //AZ AliMUONDigit *mdig = (AliMUONDigit*)fMuonDigits->UncheckedAt(digit);
+ AliMUONDigit *mdig = AliMUONClusterInput::Instance()->Digit(cath,digit); //AZ
Int_t charge = mdig->Signal();
// get the center of the pad
- Float_t xpad, ypad, zpad;
- fSeg2[cath]->GetPadC(fInput->DetElemId(), mdig->PadX(), mdig->PadY(), xpad, ypad, zpad);
-
- Int_t isec;
- isec = fSeg2[cath]->Sector(fInput->DetElemId(), mdig->PadX(), mdig->PadY());
-
+ Float_t xpad, ypad, zpad0; //, zpad;
+ fSegmentation[cath]->GetPadC(fInput->DetElemId(),mdig->PadX(),mdig->PadY(),xpad,ypad,zpad0);
+
+ Int_t isec = fSegmentation[cath]->Sector(fInput->DetElemId(),mdig->PadX(), mdig->PadY());
Int_t nPads = fnPads[0] + fnPads[1];
fXyq[0][nPads] = xpad;
fXyq[1][nPads] = ypad;
fXyq[2][nPads] = charge;
-
- fXyq[3][nPads] = fSeg2[cath]->Dpx(fInput->DetElemId(),isec)/2;
- fXyq[4][nPads] = fSeg2[cath]->Dpy(fInput->DetElemId(),isec)/2;
-
+ fXyq[3][nPads] = fSegmentation[cath]->Dpx(fInput->DetElemId(),isec)/2;
+ fXyq[4][nPads] = fSegmentation[cath]->Dpy(fInput->DetElemId(),isec)/2;
fXyq[5][nPads] = digit;
+ fXyq[6][nPads] = 0;
fPadIJ[0][nPads] = cath;
fPadIJ[1][nPads] = 0;
fUsed[cath][digit] = kTRUE;
- //cout << " bbb " << fXyq[cath][2][nPads] << " " << fXyq[cath][0][nPads] << " " << fXyq[cath][1][nPads] << " " << fXyq[cath][3][nPads] << " " << fXyq[cath][4][nPads] << " " << zpad << " " << nPads << endl;
+ if (fDebug) printf(" bbb %d %d %f %f %f %f %f %d\n", nPads, cath, xpad, ypad, zpad0, fXyq[3][nPads]*2, fXyq[4][nPads]*2, charge);
fnPads[cath]++;
// Check neighbours
Int_t nn, ix, iy, xList[10], yList[10];
AliMUONDigit *mdig1;
- Int_t ndigits = fMuonDigits->GetEntriesFast();
- fSeg2[cath]->Neighbours(fInput->DetElemId(), mdig->PadX(),mdig->PadY(),&nn,xList,yList);
-
+ //AZ Int_t ndigits = fMuonDigits->GetEntriesFast();
+ Int_t ndigits = AliMUONClusterInput::Instance()->NDigits(cath); //AZ
+ fSegmentation[cath]->Neighbours(fInput->DetElemId(),mdig->PadX(),mdig->PadY(),&nn,xList,yList);
for (Int_t in=0; in<nn; in++) {
ix=xList[in];
iy=yList[in];
for (Int_t digit1 = 0; digit1 < ndigits; digit1++) {
if (digit1 == digit) continue;
- mdig1 = (AliMUONDigit*)fMuonDigits->UncheckedAt(digit1);
- if (mdig1->Cathode() != cath) continue;
+ //AZ mdig1 = (AliMUONDigit*)fMuonDigits->UncheckedAt(digit1);
+ mdig1 = AliMUONClusterInput::Instance()->Digit(cath,digit1); //AZ
+ //AZobsolete if (mdig1->Cathode() != cath) continue;
if (!fUsed[cath][digit1] && mdig1->PadX() == ix && mdig1->PadY() == iy) {
+ //AZ--- temporary fix on edges
+ //fSegmentation[cath]->GetPadC(mdig1->PadX(), mdig1->PadY(), xpad, ypad, zpad);
+ //if (TMath::Abs(zpad-zpad0) > 0.5) continue;
+ //AZ---
fUsed[cath][digit1] = kTRUE;
// Add pad - recursive call
AddPad(cath,digit1);
}
//_____________________________________________________________________________
-Bool_t AliMUONClusterFinderAZ::Overlap(Int_t cath, TObject *dig)
+Bool_t AliMUONClusterFinderAZ::Overlap(Int_t cath, AliMUONDigit *mdig)
{
// Check if the pad from one cathode overlaps with a pad
// in the precluster on the other cathode
- AliMUONDigit *mdig = (AliMUONDigit*) dig;
-
Float_t xpad, ypad, zpad;
- Int_t isec;
- Float_t xy1[4], xy12[4];
-
- fSeg2[cath]->GetPadC(fInput->DetElemId(), mdig->PadX(), mdig->PadY(), xpad, ypad, zpad);
- isec = fSeg2[cath]->Sector(fInput->DetElemId(), mdig->PadX(), mdig->PadY());
- xy1[0] = xpad - fSeg2[cath]->Dpx(fInput->DetElemId(),isec)/2;
- xy1[1] = xy1[0] + fSeg2[cath]->Dpx(fInput->DetElemId(), isec);
- xy1[2] = ypad - fSeg2[cath]->Dpy(fInput->DetElemId(), isec)/2;
- xy1[3] = xy1[2] + fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
-
+ fSegmentation[cath]->GetPadC(fInput->DetElemId(),mdig->PadX(),mdig->PadY(),xpad,ypad,zpad);
+ Int_t isec = fSegmentation[cath]->Sector(fInput->DetElemId(),mdig->PadX(), mdig->PadY());
+ Float_t xy1[4], xy12[4];
+ xy1[0] = xpad - fSegmentation[cath]->Dpx(fInput->DetElemId(),isec)/2;
+ xy1[1] = xy1[0] + fSegmentation[cath]->Dpx(fInput->DetElemId(),isec);
+ xy1[2] = ypad - fSegmentation[cath]->Dpy(fInput->DetElemId(),isec)/2;
+ xy1[3] = xy1[2] + fSegmentation[cath]->Dpy(fInput->DetElemId(),isec);
//cout << " ok " << fnPads[0]+fnPads[1] << xy1[0] << xy1[1] << xy1[2] << xy1[3] << endl;
Int_t cath1 = TMath::Even(cath);
// Check precluster in order to attempt to simplify it (mostly for
// two-cathode preclusters)
- Int_t i1, i2;
+ Int_t i1, i2, cath=0, digit=0;
Float_t xy1[4], xy12[4];
Int_t npad = fnPads[0] + fnPads[1];
+ if (npad == 1) {
+ // Disregard one-pad clusters (leftovers from splitting)
+ nShown[0] += fnPads[0];
+ nShown[1] += fnPads[1];
+ return kFALSE;
+ }
// If pads have the same size take average of pads on both cathodes
Int_t sameSize = (fnPads[0] && fnPads[1]) ? 1 : 0;
if (TMath::Abs(xSize-fXyq[3][i]) > 1.e-4 || TMath::Abs(ySize-fXyq[4][i]) > 1.e-4) { sameSize = 0; break; }
}
} // if (sameSize)
- if (sameSize && (fnPads[0] > 2 || fnPads[1] > 2)) {
+ if (sameSize && fnPads[0] == 1 && fnPads[1] == 1) sameSize = 0; //AZ
+ if (sameSize && (fnPads[0] >= 2 || fnPads[1] >= 2)) {
nShown[0] += fnPads[0];
nShown[1] += fnPads[1];
fnPads[0] = fnPads[1] = 0;
if (fXyq[2][i] < 0) continue; // used pad
fXyq[2][fnPads[0]] = fXyq[2][i];
div = 1;
+ cath = fPadIJ[0][i];
for (Int_t j=i+1; j<npad; j++) {
if (fPadIJ[0][j] == fPadIJ[0][i]) continue; // same cathode
if (TMath::Abs(fXyq[0][j]-fXyq[0][i]) > 1.e-4) continue;
fXyq[2][fnPads[0]] += fXyq[2][j];
div = 2;
fXyq[2][j] = -2;
+ if (cath) fXyq[5][fnPads[0]] = fXyq[5][j]; // save digit number for cath 0
break;
}
+ // Flag that the digit from the other cathode
+ if (cath && div == 1) fXyq[5][fnPads[0]] = -fXyq[5][i] - 1;
+ // If low pad charge take the other equal to 0
+ if (div == 1 && fXyq[2][fnPads[0]] < fResponse->ZeroSuppression() + 1.5*3) div = 2;
fXyq[2][fnPads[0]] /= div;
fXyq[0][fnPads[0]] = fXyq[0][i];
fXyq[1][fnPads[0]] = fXyq[1][i];
} // for (Int_t i=0;
// Check if all pads overlap
- Int_t digit=0, cath, nFlags=0;
- for (Int_t i=0; i<npad; i++) {nFlags += !flags[i];}
- if (nFlags) AliInfo(Form(" nFlags = %d",nFlags));
+ Int_t nFlags=0;
+ for (Int_t i=0; i<npad; i++) {
+ if (flags[i]) continue;
+ nFlags ++;
+ if (fDebug) cout << i << " " << fPadIJ[0][i] << endl;
+ }
+ if (fDebug && nFlags) cout << " nFlags = " << nFlags << endl;
//if (nFlags > 2 || (Float_t)nFlags / npad > 0.2) { // why 2 ??? - empirical choice
- if (nFlags > 0) {
+ if (nFlags > 1) {
for (Int_t i=0; i<npad; i++) {
if (flags[i]) continue;
digit = TMath::Nint (fXyq[5][i]);
for (Int_t i=0; i<npad; i++) {
cath = fPadIJ[0][i];
if (fXyq[2][i] > 0) sum[cath] += fXyq[2][i];
- if (fXyq[2][i] > fResponse->MaxAdc()-1) over[cath] = 0;
+ //AZ if (fXyq[2][i] > fResponse->MaxAdc()-1) over[cath] = 0;
+ if (fXyq[2][i] > fResponse->Saturation()-1) over[cath] = 0;
}
- AliInfo(Form(" Total charge: %f %f",sum[0],sum[1]));
+ if (fDebug) cout << " Total charge: " << sum[0] << " " << sum[1] << endl;
if ((over[0] || over[1]) && TMath::Abs(sum[0]-sum[1])/(sum[0]+sum[1])*2 > 1) { // 3 times difference
- AliInfo(" Release ");
+ if (fDebug) cout << " Release " << endl;
// Big difference
cath = sum[0]>sum[1] ? 0 : 1;
Int_t imax = 0;
fXyq[2][indx] = -2;
fnPads[cath]--;
// xmax = dist[i]; // Bug?
+ } else {
+ // Check pad overlaps once more
+ for (Int_t i=0; i<npad; i++) flags[i] = 0;
+ for (Int_t i=0; i<npad; i++) {
+ if (fXyq[2][i] < 0) continue;
+ if (fPadIJ[0][i] != i1) continue;
+ xy1[0] = fXyq[0][i] - fXyq[3][i];
+ xy1[1] = fXyq[0][i] + fXyq[3][i];
+ xy1[2] = fXyq[1][i] - fXyq[4][i];
+ xy1[3] = fXyq[1][i] + fXyq[4][i];
+ for (Int_t j=0; j<npad; j++) {
+ if (fXyq[2][j] < 0) continue;
+ if (fPadIJ[0][j] != i2) continue;
+ if (!Overlap(xy1, j, xy12, 0)) continue;
+ flags[i] = flags[j] = 1; // mark overlapped pads
+ } // for (Int_t j=0;
+ } // for (Int_t i=0;
+ nFlags=0;
+ for (Int_t i=0; i<npad; i++) {
+ if (fXyq[2][i] < 0 || flags[i]) continue;
+ nFlags ++;
+ }
+ if (nFlags == fnPads[0] + fnPads[1]) {
+ // No overlap
+ for (Int_t i=0; i<npad; i++) {
+ if (fXyq[2][i] < 0 || fPadIJ[0][i] != cath) continue;
+ fXyq[2][i] = -2;
+ fnPads[cath]--;
+ }
+ }
+ break;
}
- else break;
}
delete [] dist; dist = 0;
} // TMath::Abs(sum[0]-sum[1])...
beg++;
} // while
npad = fnPads[0] + fnPads[1];
- if (npad > 500) { AliInfo(Form(" ***** Too large cluster. Give up. ",npad )); return kFALSE; }
+ if (npad > 500) { cout << " ***** Too large cluster. Give up. " << npad << endl; return kFALSE; }
// Back up charge value
- for (Int_t j=0; j<npad; j++) fXyq[5][j] = fXyq[2][j];
+ for (Int_t j=0; j<npad; j++) fXyq[6][j] = fXyq[2][j];
return kTRUE;
}
}
pixPtr->SetCharge(TMath::Min (fXyq[2][i],fXyq[2][j])); //charge
fPixArray->Add((TObject*)pixPtr);
+ //cout << nPix << " " << pixPtr->Coord(0) << " " << pixPtr->Size(0) << " " << pixPtr->Coord(1) << " " << pixPtr->Size(1) << " " << pixPtr->Charge() << endl;
nPix++;
} // for (Int_t j=0;
} // for (Int_t i=0;
Float_t wxmin=999, wymin=999;
for (Int_t i=0; i<npad; i++) {
- if (fPadIJ[0][i] == i1) wymin = TMath::Min (wymin,fXyq[4][i]);
- if (fPadIJ[0][i] == i2) wxmin = TMath::Min (wxmin,fXyq[3][i]);
+ //if (fPadIJ[0][i] == i1) wymin = TMath::Min (wymin,fXyq[4][i]);
+ //if (fPadIJ[0][i] == i2) wxmin = TMath::Min (wxmin,fXyq[3][i]);
+ wymin = TMath::Min (wymin,fXyq[4][i]);
+ wxmin = TMath::Min (wxmin,fXyq[3][i]);
}
- AliInfo(Form("%f %f ",wxmin,wymin));
+ if (fDebug) cout << wxmin << " " << wymin << endl;
// Check if small pixel X-size
- AjustPixel(wxmin, 0);
+ AdjustPixel(wxmin, 0);
// Check if small pixel Y-size
- AjustPixel(wymin, 1);
+ AdjustPixel(wymin, 1);
// Check if large pixel size
- AjustPixel(wxmin, wymin);
+ AdjustPixel(wxmin, wymin);
// Remove discarded pixels
for (Int_t i=0; i<nPix; i++) {
nPix = fPixArray->GetEntriesFast();
if (nPix > npad) {
- AliInfo(Form("nPix %d ",nPix));
+ if (fDebug) cout << nPix << endl;
// Too many pixels - sort and remove pixels with the lowest signal
fPixArray->Sort();
for (Int_t i=npad; i<nPix; i++) {
for (Int_t i=0; i<nPix; i++) {
pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(i);
//pixPtr->SetCharge(10);
- AliInfo(Form("%d %f %f %f %f",i+1,pixPtr->Coord(0),pixPtr->Coord(1),pixPtr->Size(0),pixPtr->Size(1)));
+ if (fDebug) cout << i+1 << " " << pixPtr->Coord(0) << " " << pixPtr->Coord(1) << " " << pixPtr->Size(0) << " " << pixPtr->Size(1) << endl;
}
}
//_____________________________________________________________________________
-void AliMUONClusterFinderAZ::AjustPixel(Float_t width, Int_t ixy)
+void AliMUONClusterFinderAZ::AdjustPixel(Float_t width, Int_t ixy)
{
- // Check if some pixels have small size (ajust if necessary)
+ // Check if some pixels have small size (adjust if necessary)
AliMUONPixel *pixPtr, *pixPtr1 = 0;
Int_t ixy1 = TMath::Even(ixy);
if (pixPtr->Charge() < 1) continue; // discarded pixel
if (pixPtr->Size(ixy)-width < -1.e-4) {
// try to merge
- AliInfo(Form(" Small X or Y: %d %f %f %f %f",ixy,pixPtr->Size(ixy),width,pixPtr->Coord(0),pixPtr->Coord(1)));
+ if (fDebug) cout << i << " Small X or Y: " << ixy << " " << pixPtr->Size(ixy) << " " << width << " " << pixPtr->Coord(0) << " " << pixPtr->Coord(1) << endl;
for (Int_t j=i+1; j<nPix; j++) {
pixPtr1 = (AliMUONPixel*) fPixArray->UncheckedAt(j);
if (pixPtr1->Charge() < 1) continue; // discarded pixel
if (TMath::Abs(pixPtr1->Coord(ixy1)-pixPtr->Coord(ixy1)) > 1.e-4) continue; // different rows/columns
if (TMath::Abs(pixPtr1->Coord(ixy)-pixPtr->Coord(ixy)) < 2*width) {
// merge
+ //AZ-problem in slats for new segment. pixPtr->SetCoord(ixy, (pixPtr->Coord(ixy)+pixPtr1->Coord(ixy))/2);
+ Double_t tmp = pixPtr->Coord(ixy) + pixPtr1->Size(ixy) *
+ TMath::Sign (1., pixPtr1->Coord(ixy) - pixPtr->Coord(ixy));
+ pixPtr->SetCoord(ixy, tmp);
pixPtr->SetSize(ixy, width);
- pixPtr->SetCoord(ixy, (pixPtr->Coord(ixy)+pixPtr1->Coord(ixy))/2);
pixPtr->SetCharge(TMath::Min (pixPtr->Charge(),pixPtr1->Charge()));
pixPtr1->SetCharge(0);
pixPtr1 = 0;
//else if (pixPtr1->Charge() > 0.5 || i == nPix-1) {
if (pixPtr1 || i == nPix-1) {
// edge pixel - just increase its size
- AliInfo(" Edge ...");
+ if (fDebug) cout << " Edge ..." << endl;
for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
- // ???if (fPadIJ[0][j] != i1) continue;
+ //if (fPadIJ[0][j] != ixy1) continue;
if (TMath::Abs(pixPtr->Coord(ixy1)-fXyq[ixy1][j]) > 1.e-4) continue;
if (pixPtr->Coord(ixy) < fXyq[ixy][j])
- pixPtr->Shift(ixy, -pixPtr->Size(ixy));
- else pixPtr->Shift(ixy, pixPtr->Size(ixy));
+ //pixPtr->Shift(ixy, -pixPtr->Size(ixy));
+ pixPtr->Shift(ixy, pixPtr->Size(ixy)-width);
+ //else pixPtr->Shift(ixy, pixPtr->Size(ixy));
+ else pixPtr->Shift(ixy, -pixPtr->Size(ixy)+width);
pixPtr->SetSize(ixy, width);
break;
}
}
//_____________________________________________________________________________
-void AliMUONClusterFinderAZ::AjustPixel(Float_t wxmin, Float_t wymin)
+void AliMUONClusterFinderAZ::AdjustPixel(Float_t wxmin, Float_t wymin)
{
- // Check if some pixels have large size (ajust if necessary)
+ // Check if some pixels have large size (adjust if necessary)
Int_t nx, ny;
Int_t nPix = fPixArray->GetEntriesFast();
pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(i);
if (pixPtr->Charge() < 1) continue; // discarded pixel
if (pixPtr->Size(0)-wxmin > 1.e-4 || pixPtr->Size(1)-wymin > 1.e-4) {
- AliInfo(Form(" Different %f %f %f %f",pixPtr->Size(0),wxmin,pixPtr->Size(1),wymin));
+ if (fDebug) cout << " Different " << pixPtr->Size(0) << " " << wxmin << " " << pixPtr->Size(1) << " " << wymin << endl;
pix = *pixPtr;
nx = TMath::Nint (pix.Size(0)/wxmin);
ny = TMath::Nint (pix.Size(1)/wymin);
}
//_____________________________________________________________________________
-Bool_t AliMUONClusterFinderAZ::MainLoop()
+Bool_t AliMUONClusterFinderAZ::MainLoop(Int_t iSimple)
{
// Repeat MLEM algorithm until pixel size becomes sufficiently small
Int_t ix, iy;
//Int_t nn, xList[10], yList[10];
Int_t nPix = fPixArray->GetEntriesFast();
- Int_t npadTot = fnPads[0] + fnPads[1], npadOK = 0;
AliMUONPixel *pixPtr = 0;
Double_t *coef = 0, *probi = 0;
+ AddVirtualPad(); // add virtual pads if necessary
+ Int_t npadTot = fnPads[0] + fnPads[1], npadOK = 0;
for (Int_t i=0; i<npadTot; i++) if (fPadIJ[1][i] == 0) npadOK++;
while (1) {
mlem = (TH2D*) gROOT->FindObject("mlem");
if (mlem) mlem->Delete();
// Calculate coefficients
- AliInfo(Form(" nPix, npadTot, npadOK %d %d %d ", nPix , npadTot , npadOK ));
+ if (fDebug) cout << " nPix, npadTot, npadOK " << nPix << " " << npadTot << " " << npadOK << endl;
// Calculate coefficients and pixel visibilities
coef = new Double_t [npadTot*nPix];
probi = new Double_t [nPix];
- Int_t indx = 0, cath;
- for (Int_t ipix=0; ipix<nPix; ipix++) {
- pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(ipix);
- probi[ipix] = 0;
- for (Int_t j=0; j<npadTot; j++) {
- if (fPadIJ[1][j] < 0) { coef[j*nPix+ipix] = 0; continue; }
+ for (Int_t ipix=0; ipix<nPix; ipix++) probi[ipix] = 0;
+ Int_t indx = 0, indx1 = 0, cath = 0;
+
+ for (Int_t j=0; j<npadTot; j++) {
+ indx = j*nPix;
+ if (fPadIJ[1][j] == 0) {
cath = fPadIJ[0][j];
- Double_t sum = 0;
-
- fSeg2[cath]->GetPadI(fInput->DetElemId(),fXyq[0][j],fXyq[1][j],fZpad,ix,iy);
- fSeg2[cath]->SetPad(fInput->DetElemId(),ix,iy);
- /*
- fSeg2[cath]->Neighbours(fInput->DetElemId(),ix,iy,&nn,xList,yList);
- if (nn != 4) {
- cout << nn << ": ";
- for (Int_t i=0; i<nn; i++) {cout << xList[i] << " " << yList[i] << ", ";}
- cout << endl;
- }
- */
- fSeg2[cath]->SetHit(fInput->DetElemId(),pixPtr->Coord(0),pixPtr->Coord(1),fZpad);
- sum += fResponse->IntXY(fInput->DetElemId(),fSeg2[cath]);
-
- indx = j*nPix + ipix;
- coef[indx] = sum;
- probi[ipix] += coef[indx];
- //cout << j << " " << ipix << " " << coef[indx] << endl;
- } // for (Int_t j=0;
- //cout << " prob: " << probi[ipix] << endl;
- if (probi[ipix] < 0.01) pixPtr->SetCharge(0); // "invisible" pixel
- } // for (Int_t ipix=0;
+ fSegmentation[cath]->GetPadI(fInput->DetElemId(),fXyq[0][j],fXyq[1][j],fZpad,ix,iy);
+ fSegmentation[cath]->SetPad(fInput->DetElemId(),ix,iy);
+ /*
+ fSegmentation[cath]->Neighbours(fInput->DetElemId(),ix,iy,&nn,xList,yList);
+ if (nn != 4) {
+ cout << nn << ": ";
+ for (Int_t i=0; i<nn; i++) {cout << xList[i] << " " << yList[i] << ", ";}
+ cout << endl;
+ }
+ */
+ }
+
+ for (Int_t ipix=0; ipix<nPix; ipix++) {
+ indx1 = indx + ipix;
+ if (fPadIJ[1][j] < 0) { coef[indx1] = 0; continue; }
+ pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(ipix);
+ fSegmentation[cath]->SetHit(fInput->DetElemId(),pixPtr->Coord(0),pixPtr->Coord(1),fZpad);
+ coef[indx1] = fResponse->IntXY(fInput->DetElemId(),fSegmentation[cath]);
+ probi[ipix] += coef[indx1];
+ } // for (Int_t ipix=0;
+ } // for (Int_t j=0;
+ for (Int_t ipix=0; ipix<nPix; ipix++) if (probi[ipix] < 0.01) pixPtr->SetCharge(0); // "invisible" pixel
// MLEM algorithm
- Mlem(coef, probi);
+ Mlem(coef, probi, 15);
Double_t xylim[4] = {999, 999, 999, 999};
for (Int_t ipix=0; ipix<nPix; ipix++) {
//cout << ipix+1; pixPtr->Print();
}
for (Int_t i=0; i<4; i++) {
- xylim[i] -= pixPtr->Size(i/2);
- AliInfo(Form("%f ",(i%2 ? -1 : 1)*xylim[i]));
- }
+ xylim[i] -= pixPtr->Size(i/2); if (fDebug) cout << (i%2 ? -1 : 1)*xylim[i] << " "; }
+ if (fDebug) cout << endl;
- // Ajust histogram to approximately the same limits as for the pads
+ // Adjust histogram to approximately the same limits as for the pads
// (for good presentation)
//*
Float_t xypads[4];
}
} // if (fHist[0])
//*/
-
Int_t nx = TMath::Nint ((-xylim[1]-xylim[0])/pixPtr->Size(0)/2);
Int_t ny = TMath::Nint ((-xylim[3]-xylim[2])/pixPtr->Size(1)/2);
+
mlem = new TH2D("mlem","mlem",nx,xylim[0],-xylim[1],ny,xylim[2],-xylim[3]);
for (Int_t ipix=0; ipix<nPix; ipix++) {
pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(ipix);
((TCanvas*)gROOT->FindObject("c2"))->cd();
gPad->SetTheta(55);
gPad->SetPhi(30);
+ //mlem->SetFillColor(19);
mlem->Draw("lego1Fb");
gPad->Update();
gets((char*)&ix);
pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(i);
qTot += pixPtr->Charge();
}
- if (qTot < 1.e-4 || npadOK < 3 && qTot < 50) {
+ //AZif (qTot < 1.e-4 || npadOK < 3 && qTot < 50) {
+ if (qTot < 1.e-4 || npadOK < 3 && qTot < 7) {
delete [] coef; delete [] probi; coef = 0; probi = 0;
fPixArray->Delete();
+ for (Int_t i=0; i<npadTot; i++) if (fPadIJ[1][i] == 0) fPadIJ[1][i] = -1;
return kFALSE;
}
pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(i);
sum1 += pixPtr->Charge()*coef[j*nPix+i];
}
- sum1 = TMath::Min (sum1,(Double_t)fResponse->MaxAdc());
+ //AZsum1 = TMath::Min (sum1,(Double_t)fResponse->MaxAdc());
+ sum1 = TMath::Min (sum1,(Double_t)fResponse->Saturation());
x = fXyq[0][j];
y = fXyq[1][j];
cath = fPadIJ[0][j];
gPad->Modified();
*/
+ if (iSimple) {
+ // Simple cluster - skip further passes thru EM-procedure
+ fxyMu[0][6] = fxyMu[1][6] = 9999;
+ Simple();
+ delete [] coef; delete [] probi; coef = 0; probi = 0;
+ fPixArray->Delete();
+ return kTRUE;
+ }
+
// Calculate position of the center-of-gravity around the maximum pixel
Double_t xyCOG[2];
FindCOG(mlem, xyCOG);
if (TMath::Min(pixPtr->Size(0),pixPtr->Size(1)) < 0.07 && pixPtr->Size(0) > pixPtr->Size(1)) break;
+ //if (TMath::Min(pixPtr->Size(0),pixPtr->Size(1)) < 0.007 && pixPtr->Size(0) > pixPtr->Size(1)) break;
//if (TMath::Min(pixPtr->Size(0),pixPtr->Size(1)) >= 0.07 || pixPtr->Size(0) < pixPtr->Size(1)) {
// Sort pixels according to the charge
fPixArray->Sort();
thresh = TMath::Min (thresh,50.);
Double_t cmax = -1, charge = 0;
for (Int_t i=0; i<nPix; i++) cmax = TMath::Max (cmax,probi[i]);
+ //cout << thresh << " " << cmax << " " << cmax*0.9 << endl;
// Mark pixels which should be removed
for (Int_t i=0; i<nPix; i++) {
pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(i);
charge = pixPtr->Charge();
if (charge < thresh) pixPtr->SetCharge(-charge);
- else if (cmax > 1.91) {
- if (probi[i] < 1.9) pixPtr->SetCharge(-charge);
- }
- else if (probi[i] < cmax*0.9) pixPtr->SetCharge(-charge);
+ //else if (cmax > 1.91) {
+ // if (probi[i] < 1.9) pixPtr->SetCharge(-charge);
+ //}
+ //AZ else if (probi[i] < cmax*0.9) pixPtr->SetCharge(-charge);
+ else if (probi[i] < cmax*0.8) pixPtr->SetCharge(-charge);
+ //cout << i << " " << pixPtr->Coord(0) << " " << pixPtr->Coord(1) << " " << charge << " " << probi[i] << endl;
}
// Move charge of removed pixels to their nearest neighbour (to keep total charge the same)
Int_t near = 0;
if (charge > 0) continue;
near = FindNearest(pixPtr);
pixPtr->SetCharge(0);
+ probi[i] = 0; // make it "invisible"
pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(near);
- pixPtr->SetCharge(pixPtr->Charge() - charge);
+ pixPtr->SetCharge(pixPtr->Charge() + (-charge));
}
+ Mlem(coef,probi,2);
// Update histogram
for (Int_t i=0; i<nPix; i++) {
pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(i);
}
//_____________________________________________________________________________
-void AliMUONClusterFinderAZ::Mlem(Double_t *coef, Double_t *probi)
+void AliMUONClusterFinderAZ::Mlem(Double_t *coef, Double_t *probi, Int_t nIter)
{
// Use MLEM to find pixel charges
Int_t nPix = fPixArray->GetEntriesFast();
Int_t npad = fnPads[0] + fnPads[1];
Double_t *probi1 = new Double_t [nPix];
+ Double_t probMax = 0;
Int_t indx, indx1;
AliMUONPixel *pixPtr;
- for (Int_t iter=0; iter<15; iter++) {
+ for (Int_t ipix=0; ipix<nPix; ipix++) if (probi[ipix] > probMax) probMax = probi[ipix];
+ for (Int_t iter=0; iter<nIter; iter++) {
// Do iterations
for (Int_t ipix=0; ipix<nPix; ipix++) {
// Correct each pixel
if (probi[ipix] < 0.01) continue; // skip "invisible" pixel
Double_t sum = 0;
- probi1[ipix] = probi[ipix];
+ //probi1[ipix] = probi[ipix];
+ probi1[ipix] = probMax;
for (Int_t j=0; j<npad; j++) {
if (fPadIJ[1][j] < 0) continue;
Double_t sum1 = 0;
pixPtr = (AliMUONPixel*) fPixArray->UncheckedAt(i);
sum1 += pixPtr->Charge()*coef[indx1+i];
} // for (Int_t i=0;
- if (fXyq[2][j] > fResponse->MaxAdc()-1 && sum1 > fResponse->MaxAdc()) { probi1[ipix] -= coef[indx]; continue; } // correct for pad charge overflows
+ //AZ if (fXyq[2][j] > fResponse->MaxAdc()-1 && sum1 > fResponse->MaxAdc()) { probi1[ipix] -= coef[indx]; continue; } // correct for pad charge overflows
+ if (fXyq[2][j] > fResponse->Saturation()-1 && sum1 > fResponse->Saturation()) { probi1[ipix] -= coef[indx]; continue; } // correct for pad charge overflows
//cout << sum1 << " " << fXyq[2][j] << " " << coef[j*nPix+ipix] << endl;
if (coef[indx] > 1.e-6) sum += fXyq[2][j]*coef[indx]/sum1;
} // for (Int_t j=0;
Double_t x, y, cont, xq=0, yq=0, qq=0;
for (Int_t i=TMath::Max(1,iymax-1); i<=TMath::Min(ny,iymax+1); i++) {
+ //for (Int_t i=TMath::Max(1,iymax-9); i<=TMath::Min(ny,iymax+9); i++) {
y = mlem->GetYaxis()->GetBinCenter(i);
for (Int_t j=TMath::Max(1,ixmax-1); j<=TMath::Min(nx,ixmax+1); j++) {
+ //for (Int_t j=TMath::Max(1,ixmax-9); j<=TMath::Min(nx,ixmax+9); j++) {
cont = mlem->GetCellContent(j,i);
if (cont < thresh) continue;
if (i != i1) {i1 = i; nsumy++;}
} // if (nsumx == 1)
xyc[0] = xq/qq; xyc[1] = yq/qq;
- AliInfo(Form("%f %f %f %d %d %d",xyc[0],xyc[1],qq,nsum,nsumx,nsumy));
+ if (fDebug) cout << xyc[0] << " " << xyc[1] << " " << qq << " " << nsum << " " << nsumx << " " << nsumy << endl;
return;
}
used[indx] = 1;
pix->Add(BinToPix(mlem,j,i));
AddBin(mlem, i, j, 0, used, pix); // recursive call
+ if (nclust >= 200) AliFatal(" Too many clusters !!!");
clusters[nclust++] = pix;
- if (nclust > 200) { AliInfo(" Too many clusters "); ::exit(0); }
} // for (Int_t j=1; j<=nx; j++) {
} // for (Int_t i=1; i<=ny;
- AliInfo(Form("%d ",nclust));
+ if (fDebug) cout << nclust << endl;
delete [] used; used = 0;
// Compute couplings between clusters and clusters to pads
Int_t npad = fnPads[0] + fnPads[1];
+ // Write out some information for algorithm development
+ Int_t cath=0, npadx[2]={0}, npady[2]={0};
+ Double_t xlow[2]={9999,9999}, xhig[2]={-9999,-9999};
+ Double_t ylow[2]={9999,9999}, yhig[2]={-9999,-9999};
+ for (Int_t j=0; j<npad; j++) {
+ if (fXyq[3][j] < 0) continue; // exclude virtual pads
+ cath = fPadIJ[0][j];
+ if (fXyq[0][j] < xlow[cath]-0.001) {
+ if (fXyq[0][j]+fXyq[3][j] <= xlow[cath] && npadx[cath]) npadx[cath]++;
+ xlow[cath] = fXyq[0][j];
+ }
+ if (fXyq[0][j] > xhig[cath]+0.001) {
+ if (fXyq[0][j]-fXyq[3][j] >= xhig[cath]) npadx[cath]++;
+ xhig[cath] = fXyq[0][j];
+ }
+ if (fXyq[1][j] < ylow[cath]-0.001) {
+ if (fXyq[1][j]+fXyq[4][j] <= ylow[cath] && npady[cath]) npady[cath]++;
+ ylow[cath] = fXyq[1][j];
+ }
+ if (fXyq[1][j] > yhig[cath]+0.001) {
+ if (fXyq[1][j]-fXyq[4][j] >= yhig[cath]) npady[cath]++;
+ yhig[cath] = fXyq[1][j];
+ }
+ }
+ //if (lun1) fprintf(lun1," %4d %2d %3d %3d %3d %3d \n",gAlice->GetHeader()->GetEvent(),AliMUONClusterInput::Instance()->Chamber(), npadx[0], npadx[1], npady[0], npady[1]);
+
// Exclude pads with overflows
for (Int_t j=0; j<npad; j++) {
- if (fXyq[2][j] > fResponse->MaxAdc()-1) fPadIJ[1][j] = -9;
+ //AZ if (fXyq[2][j] > fResponse->MaxAdc()-1) fPadIJ[1][j] = -5;
+ if (fXyq[2][j] > fResponse->Saturation()-1) fPadIJ[1][j] = -5;
else fPadIJ[1][j] = 0;
}
for (Int_t i=0; i<npxclu; i++) {
indx = fPixArray->IndexOf(pix->UncheckedAt(i));
for (Int_t j=0; j<npad; j++) {
- // Exclude overflows
- if (fPadIJ[1][j] < 0) continue;
+ if (fPadIJ[1][j] < 0 && fPadIJ[1][j] != -5) continue;
if (coef[j*nPix+indx] < fgkCouplMin) continue;
(*aijclupad)(iclust,j) += coef[j*nPix+indx];
}
}
}
- if (nclust > 1) aijcluclu->Print();
+ if (fDebug && nclust > 1) aijcluclu->Print();
// Find groups of coupled clusters
used = new Bool_t[nclust];
nCoupled = 1;
// Find group of coupled clusters
AddCluster(igroup, nclust, aijcluclu, used, clustNumb, nCoupled); // recursive
- AliInfo(Form(" nCoupled: %d",nCoupled));
- for (Int_t i=0; i<nCoupled; i++) AliInfo(Form(" %d ",clustNumb[i]));
+ if (fDebug) {
+ cout << " nCoupled: " << nCoupled << endl;
+ for (Int_t i=0; i<nCoupled; i++) cout << clustNumb[i] << " "; cout << endl;
+ }
+ fnCoupled = nCoupled;
while (nCoupled > 0) {
// Flag clusters for fit
nForFit = 0;
while (minGroup[nForFit] >= 0 && nForFit < 3) {
- AliInfo(Form("%d ",clustNumb[minGroup[nForFit]]));
+ if (fDebug) cout << clustNumb[minGroup[nForFit]] << " ";
clustFit[nForFit] = clustNumb[minGroup[nForFit]];
clustNumb[minGroup[nForFit]] -= 999;
nForFit++;
}
- AliInfo(Form("%d %f ",nForFit,coupl));
+ if (fDebug) cout << nForFit << " " << coupl << endl;
} // else
// Select pads for fit.
if (SelectPad(nCoupled, nForFit, clustNumb, clustFit, aijclupad) < 3 && nCoupled > 1) {
// Deselect pads
- for (Int_t j=0; j<npad; j++) if (TMath::Abs(fPadIJ[1][j]) == 1) fPadIJ[1][j] = 0;
+ for (Int_t j=0; j<npad; j++) {
+ if (TMath::Abs(fPadIJ[1][j]) == 1) fPadIJ[1][j] = 0;
+ if (TMath::Abs(fPadIJ[1][j]) == -9) fPadIJ[1][j] = -5;
+ }
// Merge the failed cluster candidates (with too few pads to fit) with
// the one with the strongest coupling
Merge(nForFit, nCoupled, clustNumb, clustFit, clusters, aijcluclu, aijclupad);
UpdatePads(nfit, parOk);
// Mark used pads
- for (Int_t j=0; j<npad; j++) {if (fPadIJ[1][j] == 1) fPadIJ[1][j] = -1;}
+ for (Int_t j=0; j<npad; j++) {
+ if (fPadIJ[1][j] == 1) fPadIJ[1][j] = -1;
+ if (fPadIJ[1][j] == -9) fPadIJ[1][j] = -5;
+ }
// Sort the clusters (move to the right the used ones)
Int_t beg = 0, end = nCoupled - 1;
(*aijcluclu)(indx1,indx) = (*aijcluclu)(indx,indx1);
}
}
- fPadIJ[1][j] = -9;
+ fPadIJ[1][j] = -8;
} // for (Int_t j=0; j<npad;
} // if (nCoupled > 3)
} // while (nCoupled > 0)
if (pixPtr->Charge() < 0.5) continue;
if (TMath::Abs(pixPtr->Coord(0)-xc)<1.e-4 && TMath::Abs(pixPtr->Coord(1)-yc)<1.e-4) return (TObject*) pixPtr;
}
- AliWarning(" Something wrong ??? ");
+ AliWarning(Form(" Something wrong ??? %f %f ", xc, yc));
return NULL;
}
for (Int_t iclust=0; iclust<nForFit; iclust++) {
indx = clustFit[iclust];
for (Int_t j=0; j<npad; j++) {
- if (fPadIJ[1][j] < 0) continue; // exclude overflows and used pads
if ((*aijclupad)(indx,j) < fgkCouplMin) continue;
- fPadIJ[1][j] = 1; // pad to be used in fit
- nOK++;
+ if (fPadIJ[1][j] == -5) fPadIJ[1][j] = -9; // flag overflow
+ if (fPadIJ[1][j] < 0) continue; // exclude overflows and used pads
+ if (!fPadIJ[1][j]) { fPadIJ[1][j] = 1; nOK++; } // pad to be used in fit
if (nCoupled > 3) {
// Check other clusters
for (Int_t iclust1=0; iclust1<nCoupled; iclust1++) {
Double_t aaa = 0;
for (Int_t j=0; j<npad; j++) {
if (padpix[j] < fgkCouplMin) continue;
- AliInfo(Form("%d %f ",j , padpix[j]));
- AliInfo(Form("%f %f ",fXyq[0][j],fXyq[1][j]));
+ if (fDebug) cout << j << " " << padpix[j] << " " << fXyq[0][j] << " " << fXyq[1][j] << endl;
aaa += padpix[j];
fPadIJ[1][j] = -1; // exclude pads with strong coupling to the other clusters
nOK--;
npxclu1 = pix1->GetEntriesFast();
// Add pixels
for (Int_t i=0; i<npxclu; i++) { pix1->Add(pix->UncheckedAt(i)); pix->RemoveAt(i); }
- AliInfo(Form(" New number of pixels: %d %d ",npxclu1 ,pix1->GetEntriesFast() ));
+ if (fDebug) cout << " New number of pixels: " << npxclu1 << " " << pix1->GetEntriesFast() << endl;
//Add cluster-to-cluster couplings
//aijcluclu->Print();
for (Int_t icl1=0; icl1<nCoupled; icl1++) {
//aijcluclu->Print();
//Add cluster-to-pad couplings
for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
- if (fPadIJ[1][j] < 0) continue; // exclude overflows and used pads
+ if (fPadIJ[1][j] < 0 && fPadIJ[1][j] != -5) continue; // exclude used pads
(*aijclupad)(imax,j) += (*aijclupad)(indx,j);
(*aijclupad)(indx,j) = 0;
}
Double_t ymin = mlem->GetYaxis()->GetXmin() - mlem->GetYaxis()->GetBinWidth(1);
Double_t ymax = mlem->GetYaxis()->GetXmax() + mlem->GetYaxis()->GetBinWidth(1);
//Double_t qmin = 0, qmax = 1;
- Double_t step[3]={0.01,0.002,0.02};
-
- Double_t cont, cmax = 0, xseed = 0, yseed = 0, errOk[8];
- TObjArray *pix;
- Int_t npxclu;
+ Double_t step[3]={0.01,0.002,0.02}, xPad = 0, yPad = 99999;
+ Double_t qPad[2] = {0}, xyqPad[2] = {0};
- // Number of pads to use
- Int_t npads = 0;
- for (Int_t i=0; i<fnPads[0]+fnPads[1]; i++) {if (fPadIJ[1][i] == 1) npads++;}
- for (Int_t i=0; i<nfit; i++) {AliInfo(Form("%d %d ",i+1 ,clustFit[i]));}
- AliInfo(Form("%d ",nfit));
- AliInfo(Form(" Number of pads to fit: %d ",npads));
+ // Number of pads to use and number of virtual pads
+ Int_t npads = 0, nVirtual = 0;
+ for (Int_t i=0; i<fnPads[0]+fnPads[1]; i++) {
+ if (fPadIJ[1][i] == -9 || fPadIJ[1][i] == 1) {
+ if (fPadIJ[0][i]) xyqPad[1] += fXyq[0][i] * fXyq[2][i];
+ else xyqPad[0] += fXyq[1][i] * fXyq[2][i];
+ qPad[fPadIJ[0][i]] += fXyq[2][i];
+ }
+ if (fXyq[3][i] < 0) nVirtual++;
+ if (fPadIJ[1][i] != 1) continue;
+ if (fXyq[3][i] > 0) npads++;
+ if (yPad > 9999) { xPad = fXyq[0][i]; yPad = fXyq[1][i]; }
+ //if (fPadIJ[0][i]) xPad = fXyq[0][i];
+ }
+ if (fDebug) {
+ for (Int_t i=0; i<nfit; i++) {cout << i+1 << " " << clustFit[i] << " ";}
+ cout << nfit << endl;
+ cout << " Number of pads to fit: " << npads << endl;
+ }
fNpar = 0;
fQtot = 0;
if (npads < 2) return 0;
+ Int_t digit = 0, nfit0 = nfit;
+ AliMUONDigit *mdig = 0;
+ Int_t tracks[3] = {-1, -1, -1};
+ for (Int_t cath=0; cath<2; cath++) {
+ for (Int_t i=0; i<fnPads[0]+fnPads[1]; i++) {
+ if (fPadIJ[0][i] != cath) continue;
+ if (fPadIJ[1][i] != 1) continue;
+ if (fXyq[3][i] < 0) continue; // exclude virtual pads
+ digit = TMath::Nint (fXyq[5][i]);
+ if (digit >= 0) mdig = fInput->Digit(cath,digit);
+ else mdig = fInput->Digit(TMath::Even(cath),-digit-1);
+ //if (!mdig) mdig = fInput->Digit(TMath::Even(cath),digit);
+ if (!mdig) continue; // protection for cluster display
+ if (mdig->Hit() >= 0) {
+ if (tracks[0] < 0) {
+ tracks[0] = mdig->Hit();
+ tracks[1] = mdig->Track(0);
+ } else if (mdig->Track(0) < tracks[1]) {
+ tracks[0] = mdig->Hit();
+ tracks[1] = mdig->Track(0);
+ }
+ }
+ //AZif (mdig->Track(1)) {
+ if (mdig->Track(1) >= 0 && mdig->Track(1) != tracks[1]) {
+ if (tracks[2] < 0) tracks[2] = mdig->Track(1);
+ else tracks[2] = TMath::Min (tracks[2], mdig->Track(1));
+ }
+ //if (!mdig) break;
+ //cout << mdig->Hit() << " " << mdig->Track(0) << " " << mdig->Track(1) <<endl;
+ } // for (Int_t i=0;
+ } // for (Int_t cath=0;
+ //cout << tracks[0] << " " << tracks[1] << " " << tracks[2] <<endl;
+
+ // Get number of pads in X and Y
+ Int_t nInX = 0, nInY;
+ PadsInXandY(nInX, nInY);
+
// Take cluster maxima as fitting seeds
+ TObjArray *pix;
AliMUONPixel *pixPtr;
- Double_t xyseed[3][2], qseed[3];
+ Int_t npxclu;
+ Double_t cont, cmax = 0, xseed = 0, yseed = 0, errOk[8], qq = 0;
+ Double_t xyseed[3][2], qseed[3], xy_Cand[3][2] = {{0},{0}}, sig_Cand[3][2] = {{0},{0}};
+
for (Int_t ifit=1; ifit<=nfit; ifit++) {
cmax = 0;
pix = clusters[clustFit[ifit-1]];
npxclu = pix->GetEntriesFast();
+ //qq = 0;
for (Int_t clu=0; clu<npxclu; clu++) {
pixPtr = (AliMUONPixel*) pix->UncheckedAt(clu);
cont = pixPtr->Charge();
xseed = pixPtr->Coord(0);
yseed = pixPtr->Coord(1);
}
+ qq += cont;
+ /*
+ xy_Cand[ifit-1][0] += pixPtr->Coord(0) * cont;
+ xy_Cand[ifit-1][1] += pixPtr->Coord(1) * cont;
+ sig_Cand[ifit-1][0] += pixPtr->Coord(0) * pixPtr->Coord(0) * cont;
+ sig_Cand[ifit-1][1] += pixPtr->Coord(1) * pixPtr->Coord(1) * cont;
+ */
+ xy_Cand[0][0] += pixPtr->Coord(0) * cont;
+ xy_Cand[0][1] += pixPtr->Coord(1) * cont;
+ sig_Cand[0][0] += pixPtr->Coord(0) * pixPtr->Coord(0) * cont;
+ sig_Cand[0][1] += pixPtr->Coord(1) * pixPtr->Coord(1) * cont;
}
xyseed[ifit-1][0] = xseed;
xyseed[ifit-1][1] = yseed;
qseed[ifit-1] = cmax;
+ /*
+ xy_Cand[ifit-1][0] /= qq; // <x>
+ xy_Cand[ifit-1][1] /= qq; // <y>
+ sig_Cand[ifit-1][0] = sig_Cand[ifit-1][0]/qq - xy_Cand[ifit-1][0]*xy_Cand[ifit-1][0]; // <x^2> - <x>^2
+ sig_Cand[ifit-1][0] = sig_Cand[ifit-1][0] > 0 ? TMath::Sqrt (sig_Cand[ifit-1][0]) : 0;
+ sig_Cand[ifit-1][1] = sig_Cand[ifit-1][1]/qq - xy_Cand[ifit-1][1]*xy_Cand[ifit-1][1]; // <y^2> - <y>^2
+ sig_Cand[ifit-1][1] = sig_Cand[ifit-1][1] > 0 ? TMath::Sqrt (sig_Cand[ifit-1][1]) : 0;
+ cout << xy_Cand[ifit-1][0] << " " << xy_Cand[ifit-1][1] << " " << sig_Cand[ifit-1][0] << " " << sig_Cand[ifit-1][1] << endl;
+ */
} // for (Int_t ifit=1;
+ xy_Cand[0][0] /= qq; // <x>
+ xy_Cand[0][1] /= qq; // <y>
+ sig_Cand[0][0] = sig_Cand[0][0]/qq - xy_Cand[0][0]*xy_Cand[0][0]; // <x^2> - <x>^2
+ sig_Cand[0][0] = sig_Cand[0][0] > 0 ? TMath::Sqrt (sig_Cand[0][0]) : 0;
+ sig_Cand[0][1] = sig_Cand[0][1]/qq - xy_Cand[0][1]*xy_Cand[0][1]; // <y^2> - <y>^2
+ sig_Cand[0][1] = sig_Cand[0][1] > 0 ? TMath::Sqrt (sig_Cand[0][1]) : 0;
+ if (fDebug) cout << xy_Cand[0][0] << " " << xy_Cand[0][1] << " " << sig_Cand[0][0] << " " << sig_Cand[0][1] << endl;
+
Int_t nDof, maxSeed[3];
Double_t fmin, chi2o = 9999, chi2n;
TMath::Sort(nfit, qseed, maxSeed, kTRUE); // in decreasing order
nfit = TMath::Min (nfit, (npads + 1) / 3);
+ if (nfit > 1) {
+ if (nInX < 3 && nInY < 3 || nInX == 3 && nInY < 3 || nInX < 3 && nInY == 3) nfit = 1; // not enough pads in each direction
+ }
+ //if (nfit > 1) nfit --;
+ // One pad per direction
+ //if (nInX == 1) { step[0] /= 1; xyseed[0][0] = xPad; }
+ //if (nInY == 1) { step[1] /= 1; xyseed[0][1] = yPad; }
Double_t *gin = 0, func0, func1, param[8], param0[2][8], deriv[2][8], step0[8];
Double_t shift[8], stepMax, derMax, parmin[8], parmax[8], func2[2], shift0;
Double_t delta[8], scMax, dder[8], estim, shiftSave = 0;
Int_t min, max, nCall = 0, memory[8] = {0}, nLoop, idMax = 0, iestMax = 0, nFail;
+ Double_t rad, dist[3] = {0};
for (Int_t iseed=0; iseed<nfit; iseed++) {
+ if (iseed) { for (Int_t j=0; j<fNpar; j++) param[j] = parOk[j]; } // for bounded params
for (Int_t j=0; j<3; j++) step0[fNpar+j] = shift[fNpar+j] = step[j];
param[fNpar] = xyseed[maxSeed[iseed]][0];
parmin[fNpar] = xmin;
(param0[0][j] - param0[1][j]) : 0; // second derivative
}
param[fNpar-1] -= delta[fNpar-1] / 10;
- if (nCall > 2000) ::exit(0);
+ if (nCall > 2000) break;
min = func2[0] < func2[1] ? 0 : 1;
nFail = min == max ? 0 : nFail + 1;
if (nLoop == 1) shift[j] = TMath::Sign (step0[j], -deriv[max][j]); // first step
else if (TMath::Abs(deriv[0][j]) < 1.e-3 && TMath::Abs(deriv[1][j]) < 1.e-3) shift[j] = 0;
else if (deriv[min][j]*deriv[!min][j] > 0 && TMath::Abs(deriv[min][j]) > TMath::Abs(deriv[!min][j])
- || TMath::Abs(deriv[0][j]-deriv[1][j]) < 1.e-3) {
+ //|| TMath::Abs(deriv[0][j]-deriv[1][j]) < 1.e-3) {
+ || TMath::Abs(deriv[0][j]-deriv[1][j]) < 1.e-3 || TMath::Abs(dder[j]) < 1.e-6) {
shift[j] = -TMath::Sign (shift[j], (func2[0]-func2[1]) * (param0[0][j]-param0[1][j]));
if (min == max) {
if (memory[j] > 1) { shift[j] *= 2; } //cout << " Memory " << memory[j] << " " << shift[j] << endl; }
memory[j]++;
}
} else {
- shift[j] = -deriv[min][j] / dder[j];
+ shift[j] = dder[j] != 0 ? -deriv[min][j] / dder[j] : 0;
memory[j] = 0;
}
if (TMath::Abs(shift[j])/step0[j] > estim) {
shift[j] = TMath::Sign (shift0*scMax, shift[j]);
}
param[j] += shift[j];
-
+ //AZ Check parameter limits 27-12-2004
+ if (param[j] < parmin[j]) {
+ shift[j] = parmin[j] - param[j];
+ param[j] = parmin[j];
+ } else if (param[j] > parmax[j]) {
+ shift[j] = parmax[j] - param[j];
+ param[j] = parmax[j];
+ }
//cout << " xxx " << j << " " << shift[j] << " " << param[j] << endl;
stepMax = TMath::Max (stepMax, TMath::Abs(shift[j]/step0[j]));
if (TMath::Abs(deriv[min][j]) > derMax) {
}
} // for (Int_t j=0; j<fNpar;
//cout << max << " " << func2[min] << " " << derMax << " " << stepMax << " " << estim << " " << iestMax << " " << nCall << endl;
- if (estim < 1 && derMax < 2 || nLoop > 100) break; // minimum was found
+ if (estim < 1 && derMax < 2 || nLoop > 150) break; // minimum was found
nLoop++;
// Check for small step
} // while (1)
fmin = func2[min];
- nDof = npads - fNpar;
- chi2n = nDof ? fmin/nDof : 0;
+ nDof = npads - fNpar + nVirtual;
+ if (!nDof) nDof++;
+ chi2n = fmin / nDof;
+ if (fDebug) cout << " Chi2 " << chi2n << " " << fNpar << endl;
if (chi2n*1.2+1.e-6 > chi2o ) { fNpar -= 3; break; }
+
// Save parameters and errors
+
+ if (nInX == 1 && qPad[1] > 1) {
+ // One pad per direction
+ xPad = xyqPad[1] / qPad[1]; // take COG for this case
+ for (Int_t i=0; i<fNpar; i++) if (i == 0 || i == 2 || i == 5) param0[min][i] = xPad;
+ }
+ if (nInY == 1 && qPad[0] > 1) {
+ // One pad per direction
+ yPad = xyqPad[0] / qPad[0]; // take COG for this case
+ for (Int_t i=0; i<fNpar; i++) if (i == 1 || i == 3 || i == 6) param0[min][i] = yPad;
+ }
+
+ /*
+ if (iseed > 0) {
+ // Find distance to the nearest neighbour
+ dist[0] = dist[1] = TMath::Sqrt ((param0[min][0]-param0[min][2])*
+ (param0[min][0]-param0[min][2])
+ +(param0[min][1]-param0[min][3])*
+ (param0[min][1]-param0[min][3]));
+ if (iseed > 1) {
+ dist[2] = TMath::Sqrt ((param0[min][0]-param0[min][5])*
+ (param0[min][0]-param0[min][5])
+ +(param0[min][1]-param0[min][6])*
+ (param0[min][1]-param0[min][6]));
+ rad = TMath::Sqrt ((param0[min][2]-param0[min][5])*
+ (param0[min][2]-param0[min][5])
+ +(param0[min][3]-param0[min][6])*
+ (param0[min][3]-param0[min][6]));
+ if (dist[2] < dist[0]) dist[0] = dist[2];
+ if (rad < dist[1]) dist[1] = rad;
+ if (rad < dist[2]) dist[2] = rad;
+ }
+ cout << dist[0] << " " << dist[1] << " " << dist[2] << endl;
+ if (dist[TMath::LocMin(iseed+1,dist)] < 1.) { fNpar -= 3; break; }
+ }
+ */
+
for (Int_t i=0; i<fNpar; i++) {
parOk[i] = param0[min][i];
errOk[i] = fmin;
+ // Bounded params
+ parOk[i] = TMath::Max (parOk[i], parmin[i]);
+ parOk[i] = TMath::Min (parOk[i], parmax[i]);
}
- AliInfo(Form("%f %f ",chi2o ,chi2n));
chi2o = chi2n;
if (fmin < 0.1) break; // !!!???
} // for (Int_t iseed=0;
- for (Int_t i=0; i<fNpar; i++) {
- if (i == 4 || i == 7) continue;
- AliInfo(Form("%f %f ",parOk[i],errOk[i]));
+ if (fDebug) {
+ for (Int_t i=0; i<fNpar; i++) {
+ //if (i == 4 || i == 7) continue;
+ if (i == 4 || i == 7) {
+ if (i == 7 || i == 4 && fNpar < 7) cout << parOk[i] << endl;
+ else cout << parOk[i] * (1-parOk[7]) << endl;
+ continue;
+ }
+ cout << parOk[i] << " " << errOk[i] << endl;
+ }
}
nfit = (fNpar + 1) / 3;
- Double_t rad;
+ dist[0] = dist[1] = dist[2] = 0;
+
+ if (nfit > 1) {
+ // Find distance to the nearest neighbour
+ dist[0] = dist[1] = TMath::Sqrt ((parOk[0]-parOk[2])*
+ (parOk[0]-parOk[2])
+ +(parOk[1]-parOk[3])*
+ (parOk[1]-parOk[3]));
+ if (nfit > 2) {
+ dist[2] = TMath::Sqrt ((parOk[0]-parOk[5])*
+ (parOk[0]-parOk[5])
+ +(parOk[1]-parOk[6])*
+ (parOk[1]-parOk[6]));
+ rad = TMath::Sqrt ((parOk[2]-parOk[5])*
+ (parOk[2]-parOk[5])
+ +(parOk[3]-parOk[6])*
+ (parOk[3]-parOk[6]));
+ if (dist[2] < dist[0]) dist[0] = dist[2];
+ if (rad < dist[1]) dist[1] = rad;
+ if (rad < dist[2]) dist[2] = rad;
+ }
+ }
+
Int_t indx, imax;
+ fnPads[1] -= nVirtual;
if (fReco) {
- for (Int_t j=0; j<nfit; j++) {
+ Double_t coef = 0;
+ //for (Int_t j=0; j<nfit; j++) {
+ for (Int_t j=nfit-1; j>=0; j--) {
indx = j<2 ? j*2 : j*2+1;
- AddRawCluster (parOk[indx], parOk[indx+1], errOk[indx]);
+ if (nfit == 1) coef = 1;
+ else coef = j==nfit-1 ? parOk[indx+2] : 1-coef;
+ coef = TMath::Max (coef, 0.);
+ if (nfit == 3 && j < 2) coef = j==1 ? coef*parOk[indx+2] : coef - parOk[7];
+ coef = TMath::Max (coef, 0.);
+ AddRawCluster (parOk[indx], parOk[indx+1], coef*fQtot, errOk[indx], nfit0+10*nfit, tracks,
+ //sig_Cand[maxSeed[j]][0], sig_Cand[maxSeed[j]][1]);
+ //sig_Cand[0][0], sig_Cand[0][1], dist[j]);
+ sig_Cand[0][0], sig_Cand[0][1], dist[TMath::LocMin(nfit,dist)]);
}
return nfit;
}
void AliMUONClusterFinderAZ::Fcn1(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
{
// Fit for one track
- AliMUONClusterFinderAZ& c = *(AliMUONClusterFinderAZ::fgClusterFinder);
+ //AZ for Muinuit AliMUONClusterFinderAZ& c = *(AliMUONClusterFinderAZ::fgClusterFinder);
+ AliMUONClusterFinderAZ& c = *this; //AZ
Int_t cath, ix, iy, indx, npads=0;
- Double_t charge, delta, coef=0, chi2=0;
-
+ Double_t charge, delta, coef=0, chi2=0, qTot = 0;
for (Int_t j=0; j<c.fnPads[0]+c.fnPads[1]; j++) {
if (c.fPadIJ[1][j] != 1) continue;
cath = c.fPadIJ[0][j];
- npads++;
- c.fSeg2[cath]->GetPadI(fInput->DetElemId(),c.fXyq[0][j],c.fXyq[1][j],c.fZpad,ix,iy);
- c.fSeg2[cath]->SetPad(fInput->DetElemId(),ix,iy);
+ if (c.fXyq[3][j] > 0) npads++; // exclude virtual pads
+ qTot += c.fXyq[2][j];
+ c.fSegmentation[cath]->GetPadI(fInput->DetElemId(),c.fXyq[0][j],c.fXyq[1][j],c.fZpad,ix,iy);
+ c.fSegmentation[cath]->SetPad(fInput->DetElemId(),ix,iy);
charge = 0;
for (Int_t i=c.fNpar/3; i>=0; i--) { // sum over tracks
indx = i<2 ? 2*i : 2*i+1;
- c.fSeg2[cath]->SetHit(fInput->DetElemId(),par[indx],par[indx+1],c.fZpad);
- //charge += c.fResponse->IntXY(c.fSegmentation[cath])*par[icl*3+2];
+ c.fSegmentation[cath]->SetHit(fInput->DetElemId(),par[indx],par[indx+1],c.fZpad);
+ //charge += c.fResponse->IntXY(fInput->DetElemId(),c.fSegmentation[cath])*par[icl*3+2];
if (c.fNpar == 2) coef = 1;
else coef = i==c.fNpar/3 ? par[indx+2] : 1-coef;
- //coef = TMath::Max (coef, 0.);
+ coef = TMath::Max (coef, 0.);
if (c.fNpar == 8 && i < 2) coef = i==1 ? coef*par[indx+2] : coef - par[7];
- //coef = TMath::Max (coef, 0.);
- charge += c.fResponse->IntXY(fInput->DetElemId(),c.fSeg2[cath])*coef;
+ coef = TMath::Max (coef, 0.);
+ charge += c.fResponse->IntXY(fInput->DetElemId(),c.fSegmentation[cath])*coef;
}
charge *= c.fQtot;
//if (c.fXyq[2][j] > c.fResponse->MaxAdc()-1 && charge >
// c.fResponse->MaxAdc()) charge = c.fResponse->MaxAdc();
delta = charge - c.fXyq[2][j];
- delta /= TMath::Sqrt ((Double_t)c.fXyq[2][j]);
- //chi2 += TMath::Abs(delta);
- chi2 += delta*delta;
+ delta *= delta;
+ delta /= c.fXyq[2][j];
+ //if (cath) delta /= 5; // just for test
+ chi2 += delta;
} // for (Int_t j=0;
-
f = chi2;
- Double_t qAver = c.fQtot/npads; //(c.fnPads[0]+c.fnPads[1]);
+ Double_t qAver = qTot/npads; //(c.fnPads[0]+c.fnPads[1]);
f = chi2/qAver;
}
Int_t cath, ix, iy, indx;
Double_t charge, coef=0;
-
for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
if (fPadIJ[1][j] != -1) continue;
if (fNpar != 0) {
cath = fPadIJ[0][j];
- fSeg2[cath]->GetPadI(fInput->DetElemId(),fXyq[0][j],fXyq[1][j],fZpad,ix,iy);
- fSeg2[cath]->SetPad(fInput->DetElemId(),ix,iy);
+ fSegmentation[cath]->GetPadI(fInput->DetElemId(),fXyq[0][j],fXyq[1][j],fZpad,ix,iy);
+ fSegmentation[cath]->SetPad(fInput->DetElemId(),ix,iy);
charge = 0;
for (Int_t i=fNpar/3; i>=0; i--) { // sum over tracks
indx = i<2 ? 2*i : 2*i+1;
- fSeg2[cath]->SetHit(fInput->DetElemId(),par[indx],par[indx+1],fZpad);
+ fSegmentation[cath]->SetHit(fInput->DetElemId(),par[indx],par[indx+1],fZpad);
if (fNpar == 2) coef = 1;
else coef = i==fNpar/3 ? par[indx+2] : 1-coef;
+ coef = TMath::Max (coef, 0.);
if (fNpar == 8 && i < 2) coef = i==1 ? coef*par[indx+2] : coef - par[7];
- charge += fResponse->IntXY(fInput->DetElemId(),fSeg2[cath])*coef;
+ coef = TMath::Max (coef, 0.);
+ charge += fResponse->IntXY(fInput->DetElemId(),fSegmentation[cath])*coef;
}
charge *= fQtot;
fXyq[2][j] -= charge;
} // if (fNpar != 0)
if (fXyq[2][j] > fResponse->ZeroSuppression()) fPadIJ[1][j] = 0; // return pad for further using
} // for (Int_t j=0;
-
}
//_____________________________________________________________________________
}
//_____________________________________________________________________________
-void AliMUONClusterFinderAZ::AddRawCluster(Double_t x, Double_t y, Double_t fmin)
+void AliMUONClusterFinderAZ::AddRawCluster(Double_t x, Double_t y, Double_t qTot, Double_t fmin, Int_t nfit, Int_t *tracks, Double_t /*sigx*/, Double_t /*sigy*/, Double_t /*dist*/)
{
//
// Add a raw cluster copy to the list
//
+ if (qTot <= 0.501) return;
AliMUONRawCluster cnew;
AliMUON *pMUON=(AliMUON*)gAlice->GetModule("MUON");
+ pMUON=0; //AZ
//pMUON->AddRawCluster(fInput->Chamber(),c);
- Int_t cath;
+ Int_t cath, npads[2] = {0}, nover[2] = {0};
+ for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
+ cath = fPadIJ[0][j];
+ // There was an overflow
+ if (fPadIJ[1][j] == -9) nover[cath]++;
+ if (fPadIJ[1][j] != 1 && fPadIJ[1][j] != -9) continue;
+ cnew.SetMultiplicity(cath,cnew.GetMultiplicity(cath)+1);
+ if (fXyq[2][j] > cnew.GetPeakSignal(cath)) cnew.SetPeakSignal(cath,TMath::Nint (fXyq[2][j]));
+ //cnew.SetCharge(cath,cnew.GetCharge(cath) + TMath::Nint (fXyq[2][j]));
+ cnew.SetContrib(npads[cath],cath,fXyq[2][j]);
+ cnew.SetIndex(npads[cath],cath,TMath::Nint (fXyq[5][j])+10000*fInput->DetElemId());
+ npads[cath]++;
+ }
+
+ cnew.SetClusterType(nover[0] + nover[1] * 100);
+ for (Int_t j=0; j<3; j++) cnew.SetTrack(j,tracks[j]);
+
for (cath=0; cath<2; cath++) {
cnew.SetX(cath, x);
cnew.SetY(cath, y);
cnew.SetZ(cath, fZpad);
- cnew.SetCharge(cath, 100);
- cnew.SetPeakSignal(cath,20);
- cnew.SetMultiplicity(cath, 5);
- cnew.SetNcluster(cath, 1);
- cnew.SetChi2(cath, fmin); //0.1;
- /*
- cnew.fMultiplicity[cath]=c->fMultiplicity[cath];
- for (i=0; i<fMul[cath]; i++) {
- cnew.fIndexMap[i][cath]=c->fIndexMap[i][cath];
- fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
- }
- fprintf(stderr,"\nRawCluster %d cath %d\n",ico,cath);
- fprintf(stderr,"mult_av %d\n",c->fMultiplicity[cath]);
- FillCluster(&cnew,cath);
- */
+ cnew.SetCharge(cath, TMath::Nint(qTot));
+ //cnew.SetPeakSignal(cath,20);
+ //cnew.SetMultiplicity(cath, 5);
+ cnew.SetNcluster(cath, nfit);
+ cnew.SetChi2(cath, fmin); //0.;1
}
+ // Evaluate measurement errors
+ //AZ Errors(&cnew);
+
+ cnew.SetGhost(nfit); //cnew.SetX(1,sigx); cnew.SetY(1,sigy); cnew.SetZ(1,dist);
//cnew.fClusterType=cnew.PhysicsContribution();
- pMUON->GetMUONData()->AddRawCluster(AliMUONClusterInput::Instance()->Chamber(),cnew);
+ //AZ pMUON->GetMUONData()->AddRawCluster(AliMUONClusterInput::Instance()->Chamber(),cnew);
+ new((*fRawClusters)[fNRawClusters++]) AliMUONRawCluster(cnew); //AZ
+ if (fDebug) cout << fNRawClusters << " " << AliMUONClusterInput::Instance()->Chamber() << endl;
//fNPeaks++;
}
if (isLocalMax[indx+j-1] > 0) {
localMax[nMax] = indx + j - 1;
maxVal[nMax++] = hist->GetCellContent(j,i);
+ if (nMax > 99) AliFatal(" Too many local maxima !!!");
}
- if (nMax > 99) { AliWarning(" Too many local maxima !!!" ); ::exit(0); }
}
}
- AliInfo(Form(" Local max: %d",nMax));
+ if (fDebug) cout << " Local max: " << nMax << endl;
delete [] isLocalMax; isLocalMax = 0;
return nMax;
}
((AliMUONPixel*)fPixArray->UncheckedAt(i))->SetSize(0,wx);
((AliMUONPixel*)fPixArray->UncheckedAt(i))->SetSize(1,wy);
}
- AliInfo(Form("%d %d ",iMax,nPix));
+ if (fDebug) cout << iMax << " " << nPix << endl;
Float_t xy[4], xy12[4];
// Pick up pads which overlap with found pixels
return *this;
}
+//_____________________________________________________________________________
+void AliMUONClusterFinderAZ::AddVirtualPad()
+{
+ // Add virtual pad (with small charge) to improve fit for some
+ // clusters (when pad with max charge is at the extreme of the cluster)
+
+ // Get number of pads in X and Y-directions
+ Int_t nInX = -1, nInY;
+ PadsInXandY(nInX, nInY);
+ //return;
+
+ //nInY = npady[0];
+ //nInX = npadx[1] ? npadx[1] : npadx[0];
+ // Add virtual pads only if number of pads per direction == 2
+ //if (!npadx[1] && npady[0] != 2 && npadx[0] != 2) return 0; // one-sided
+ //if (npadx[1] && npady[0] != 2 && npadx[1] != 2) return 0;
+ if (nInX != 2 && nInY != 2) return;
+
+ // Find pads with max charge
+ Int_t maxpad[2][2] = {{-1, -1}, {-1, -1}}, cath;
+ Double_t sigmax[2] = {0}, aamax[2] = {0};
+ for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
+ if (fPadIJ[1][j] != 0) continue;
+ cath = fPadIJ[0][j];
+ if (fXyq[2][j] > sigmax[cath]) {
+ maxpad[cath][1] = maxpad[cath][0];
+ aamax[cath] = sigmax[cath];
+ sigmax[cath] = fXyq[2][j];
+ maxpad[cath][0] = j;
+ }
+ }
+ if (maxpad[0][0] >= 0 && maxpad[0][1] < 0 || maxpad[1][0] >= 0 && maxpad[1][1] < 0) {
+ for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
+ if (fPadIJ[1][j] != 0) continue;
+ cath = fPadIJ[0][j];
+ if (j == maxpad[cath][0] || j == maxpad[cath][1]) continue;
+ if (fXyq[2][j] > aamax[cath]) {
+ aamax[cath] = fXyq[2][j];
+ maxpad[cath][1] = j;
+ }
+ }
+ }
+ // Check for mirrors (side X on cathode 0)
+ Bool_t mirror = kFALSE;
+ if (maxpad[0][0] >= 0 && maxpad[1][0] >= 0)
+ mirror = fXyq[3][maxpad[0][0]] < fXyq[4][maxpad[0][0]];
+
+ // Find neughbours of pads with max charges
+ Int_t nn, xList[10], yList[10], ix0, iy0, ix, iy, neighb;
+ for (cath=0; cath<2; cath++) {
+ if (!cath && maxpad[0][0] < 0) continue; // one-sided cluster - cathode 1
+ if (cath && maxpad[1][0] < 0) break; // one-sided cluster - cathode 0
+ if (maxpad[1][0] >= 0) {
+ if (!mirror) {
+ if (!cath && nInY != 2) continue;
+ //AZ if (cath && nInX != 2) continue;
+ if (cath && nInX != 2 && (maxpad[0][0] >= 0 || nInY != 2)) continue;
+ } else {
+ if (!cath && nInX != 2) continue;
+ if (cath && nInY != 2 && (maxpad[0][0] >= 0 || nInX != 2)) continue;
+ }
+ }
+
+ Int_t iAddX = 0, iAddY = 0, ix1 = 0, iy1 = 0, iMuon = 0, iPad = 0;
+ if (maxpad[0][0] < 0) iPad = 1;
+
+ // This part of code to take care of edge effect (problems in MC)
+ Float_t spr_x = fResponse->SigmaIntegration()*fResponse->ChargeSpreadX();
+ Float_t spr_y = fResponse->SigmaIntegration()*fResponse->ChargeSpreadY();
+ Double_t rmin = 9999, rad2;
+ Int_t border = 0, iYlow = 0;
+
+ if (!fReco) {
+ for (Int_t i=0; i<2; i++) {
+ rad2 = (fXyq[0][maxpad[iPad][0]]-fxyMu[i][0]) * (fXyq[0][maxpad[iPad][0]]-fxyMu[i][0]);
+ rad2 += (fXyq[1][maxpad[iPad][0]]-fxyMu[i][1]) * (fXyq[1][maxpad[iPad][0]]-fxyMu[i][1]);
+ if (rad2 < rmin) { iMuon = i; rmin = rad2; }
+ }
+ fSegmentation[cath]->FirstPad(fInput->DetElemId(),(Float_t)fxyMu[iMuon][0], (Float_t)fxyMu[iMuon][1], fZpad, spr_x, spr_y);
+ if (fSegmentation[cath]->Sector(fInput->DetElemId(),fSegmentation[cath]->Ix(),fSegmentation[cath]->Iy()) <= 0) {
+ fSegmentation[cath]->NextPad(fInput->DetElemId());
+ border = 1;
+ iYlow = fSegmentation[cath]->Iy();
+ }
+ }
+
+ for (iPad=0; iPad<2; iPad++) {
+ if (iPad && !iAddX && !iAddY) break;
+ if (iPad && fXyq[2][maxpad[cath][1]] / sigmax[cath] < 0.5) break;
+
+ Int_t neighbx = 0, neighby = 0;
+ fSegmentation[cath]->GetPadI(fInput->DetElemId(),fXyq[0][maxpad[cath][iPad]],fXyq[1][maxpad[cath][iPad]],fZpad,ix0,iy0);
+ fSegmentation[cath]->Neighbours(fInput->DetElemId(),ix0,iy0,&nn,xList,yList);
+ Float_t zpad; //, xpad, ypad;
+ for (Int_t j=0; j<nn; j++) {
+ /*
+ if (border && yList[j] < iYlow) { xList[j] = yList[j] = 0; continue; }
+ fSegmentation[cath]->GetPadC(fInput->DetElemId(),xList[j],yList[j],xpad,ypad,zpad);
+ if (TMath::Abs(xpad) < 1 && TMath::Abs(ypad) < 1)
+ { xList[j] = yList[j] = 0; continue; } // strange case (something with pad mapping)
+ */
+ if (TMath::Abs(xList[j]-ix0) == 1 || TMath::Abs(xList[j]*ix0) == 1) neighbx++;
+ if (TMath::Abs(yList[j]-iy0) == 1 || TMath::Abs(yList[j]*iy0) == 1) neighby++;
+ }
+ if (!mirror) {
+ if (cath) neighb = neighbx;
+ else neighb = neighby;
+ if (maxpad[0][0] < 0) neighb += neighby;
+ else if (maxpad[1][0] < 0) neighb += neighbx;
+ } else {
+ if (!cath) neighb = neighbx;
+ else neighb = neighby;
+ if (maxpad[0][0] < 0) neighb += neighbx;
+ else if (maxpad[1][0] < 0) neighb += neighby;
+ }
+
+ for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
+ if (fPadIJ[0][j] != cath) continue;
+ fSegmentation[cath]->GetPadI(fInput->DetElemId(),fXyq[0][j],fXyq[1][j],fZpad,ix,iy);
+ if (iy == iy0 && ix == ix0) continue;
+ for (Int_t k=0; k<nn; k++) {
+ if (xList[k] != ix || yList[k] != iy) continue;
+ if (!mirror) {
+ if ((!cath || maxpad[0][0] < 0) &&
+ (TMath::Abs(iy-iy0) == 1 || TMath::Abs(iy*iy0) == 1)) {
+ xList[k] = yList[k] = 0;
+ neighb--;
+ break;
+ }
+ if ((cath || maxpad[1][0] < 0) &&
+ (TMath::Abs(ix-ix0) == 1 || TMath::Abs(ix*ix0) == 1)) {
+ xList[k] = yList[k] = 0;
+ neighb--;
+ }
+ } else {
+ if ((!cath || maxpad[0][0] < 0) &&
+ (TMath::Abs(ix-ix0) == 1 || TMath::Abs(ix*ix0) == 1)) {
+ xList[k] = yList[k] = 0;
+ neighb--;
+ break;
+ }
+ if ((cath || maxpad[1][0] < 0) &&
+ (TMath::Abs(iy-iy0) == 1 || TMath::Abs(iy*iy0) == 1)) {
+ xList[k] = yList[k] = 0;
+ neighb--;
+ }
+ }
+ break;
+ } // for (Int_t k=0; k<nn;
+ if (!neighb) break;
+ } // for (Int_t j=0; j<fnPads[0]+fnPads[1];
+ if (!neighb) continue;
+
+ // Add virtual pad
+ Int_t npads, isec;
+ isec = 0;
+ for (Int_t j=0; j<nn; j++) {
+ if (xList[j] == 0 && yList[j] == 0) continue;
+ npads = fnPads[0] + fnPads[1];
+ fPadIJ[0][npads] = cath;
+ fPadIJ[1][npads] = 0;
+ ix = xList[j];
+ iy = yList[j];
+ if (TMath::Abs(ix-ix0) == 1 || TMath::Abs(ix*ix0) == 1) {
+ if (iy != iy0) continue; // new segmentation - check
+ if (nInX != 2) continue; // new
+ if (!mirror) {
+ if (!cath && maxpad[1][0] >= 0) continue;
+ //if (maxpad[1][0] < 0 && nInX != 2) continue;
+ } else {
+ if (cath && maxpad[0][0] >= 0) continue;
+ //if (maxpad[0][0] < 0 && nInX != 2) continue;
+ }
+ if (iPad && !iAddX) continue;
+ fSegmentation[cath]->GetPadC(fInput->DetElemId(),ix,iy,fXyq[0][npads],fXyq[1][npads],zpad);
+ if (ix1 == ix0) continue;
+ //if (iPad && ix1 == ix0) continue;
+ //if (iPad && TMath::Abs(fXyq[0][npads]-fXyq[0][iAddX]) < fXyq[3][iAddX]) continue;
+ //if (TMath::Abs(fXyq[0][npads]) < 1 && TMath::Abs(fXyq[1][npads]) < 1) continue; // strange case (something with pad mapping)
+ if (maxpad[1][0] < 0 || mirror && maxpad[0][0] >= 0) {
+ if (!iPad) fXyq[2][npads] = TMath::Min (sigmax[0]/100, 5.);
+ else fXyq[2][npads] = TMath::Min (aamax[0]/100, 5.);
+ }
+ else {
+ if (!iPad) fXyq[2][npads] = TMath::Min (sigmax[1]/100, 5.);
+ else fXyq[2][npads] = TMath::Min (aamax[1]/100, 5.);
+ }
+ fXyq[2][npads] = TMath::Max (fXyq[2][npads], (float)1);
+ //fXyq[2][npads] = 1;
+ //isec = fSegmentation[cath]->Sector(fInput->DetElemId(),ix, iy);
+ //fXyq[3][npads] = fSegmentation[cath]->Dpx(fInput->DetElemId(),isec)/2;
+ fXyq[3][npads] = -2; // flag
+ fnPads[1]++;
+ iAddX = npads;
+ if (fDebug) cout << " ***** Add virtual pad in X ***** " << fXyq[2][npads]
+ << " " << fXyq[0][npads] << " " << fXyq[1][npads] << endl;
+ ix1 = ix0;
+ continue;
+ }
+ if (nInY != 2) continue;
+ if (!mirror && cath && maxpad[0][0] >= 0) continue;
+ if (mirror && !cath && maxpad[1][0] >= 0) continue;
+ if (TMath::Abs(iy-iy0) == 1 || TMath::Abs(iy*iy0) == 1) {
+ if (ix != ix0) continue; // new segmentation - check
+ if (iPad && !iAddY) continue;
+ fSegmentation[cath]->GetPadC(fInput->DetElemId(),ix,iy,fXyq[0][npads],fXyq[1][npads],zpad);
+ if (iy1 == iy0) continue;
+ //if (iPad && iy1 == iy0) continue;
+ //if (iPad && TMath::Abs(fXyq[1][npads]-fXyq[1][iAddY]) < fXyq[4][iAddY]) continue;
+ //if (TMath::Abs(fXyq[0][npads]) < 1 && TMath::Abs(fXyq[1][npads]) < 1) continue; // strange case (something with pad mapping)
+ if (maxpad[0][0] < 0 || mirror && maxpad[1][0] >= 0) {
+ if (!iPad) fXyq[2][npads] = TMath::Min (sigmax[1]/20, 5.);
+ else fXyq[2][npads] = TMath::Min (aamax[1]/20, 5.);
+ }
+ else {
+ if (!iPad) fXyq[2][npads] = TMath::Min (sigmax[0]/20, 5.);
+ else fXyq[2][npads] = TMath::Min (aamax[0]/20, 5.);
+ }
+ fXyq[2][npads] = TMath::Max (fXyq[2][npads], (float)1);
+ //isec = fSegmentation[cath]->Sector(fInput->DetElemId(),ix, iy);
+ //fXyq[4][npads] = fSegmentation[cath]->Dpy(isec)/2;
+ fXyq[3][npads] = -2; // flag
+ fnPads[1]++;
+ iAddY = npads;
+ if (fDebug) cout << " ***** Add virtual pad in Y ***** " << fXyq[2][npads]
+ << " " << fXyq[0][npads] << " " << fXyq[1][npads] << endl;
+ iy1 = iy0;
+ }
+ } // for (Int_t j=0; j<nn;
+ } // for (Int_t iPad=0;
+ } // for (cath=0; cath<2;
+ return;
+}
+
+//_____________________________________________________________________________
+void AliMUONClusterFinderAZ::PadsInXandY(Int_t &nInX, Int_t &nInY)
+{
+ // Find number of pads in X and Y-directions (excluding virtual ones and
+ // overflows)
+
+ static Int_t nXsaved = 0, nYsaved = 0;
+ nXsaved = nYsaved = 0;
+ //if (nInX >= 0) {nInX = nXsaved; nInY = nYsaved; return; }
+ Double_t xlow[2] = {9999,9999}, xhig[2] = {-9999,-9999};
+ Double_t ylow[2] = {9999,9999}, yhig[2] = {-9999,-9999};
+ Int_t nx, ny, cath, npadx[2] = {0}, npady[2] = {0};
+ for (Int_t j=0; j<fnPads[0]+fnPads[1]; j++) {
+ //if (fPadIJ[1][j] != 0) continue;
+ //if (fXyq[3][j] < 0) continue; // virtual pad
+ if (nInX < 0 && fPadIJ[1][j] != 0) continue; // before fit
+ else if (nInX == 0 && fPadIJ[1][j] != 1) continue; // fit - exclude overflows
+ else if (nInX > 0 && fPadIJ[1][j] != 1 && fPadIJ[1][j] != -9) continue; // exclude non-marked
+ //AZif (fXyq[2][j] > fResponse->MaxAdc()-1) continue;
+ if (nInX <= 0 && fXyq[2][j] > fResponse->Saturation()-1) continue; // skip overflows
+ cath = fPadIJ[0][j];
+ nx = ny = 0;
+ if (fXyq[0][j] < xlow[cath]-0.001) { xlow[cath] = fXyq[0][j]; nx++; }
+ if (fXyq[1][j] < ylow[cath]-0.001) { ylow[cath] = fXyq[1][j]; ny++; }
+ if (fXyq[0][j] > xhig[cath]+0.001) { xhig[cath] = fXyq[0][j]; nx++; }
+ if (fXyq[1][j] > yhig[cath]+0.001) { yhig[cath] = fXyq[1][j]; ny++; }
+ if (nx % 2 || !npadx[cath]) npadx[cath]++;
+ if (ny % 2 || !npady[cath]) npady[cath]++;
+ }
+ //nInY = nYsaved == npady[0] ? npady[0] : npady[1];
+ //nInX = nXsaved == npadx[1] ? npadx[1] : npadx[0];
+ nInY = TMath::Max (npady[0], npady[1]);
+ nInX = TMath::Max (npadx[0], npadx[1]);
+ //nInY = npady[0] > 0 ? npady[0] : npady[1];
+ //nInX = npadx[1] > 0 ? npadx[1] : npadx[0];
+}
+
+//_____________________________________________________________________________
+void AliMUONClusterFinderAZ::Simple()
+{
+ // Process simple cluster (small number of pads) without EM-procedure
+
+ Int_t nForFit = 1, clustFit[1] = {1}, nfit;
+ Double_t parOk[3] = {0.};
+ TObjArray *clusters[1];
+ clusters[1] = fPixArray;
+ for (Int_t i=0; i<fnPads[0]+fnPads[1]; i++) fPadIJ[1][i] = 1;
+
+ nfit = Fit(nForFit, clustFit, clusters, parOk);
+}
+
+//_____________________________________________________________________________
+void AliMUONClusterFinderAZ::Errors(AliMUONRawCluster *clus)
+{
+ // Correct reconstructed coordinates for some clusters and evaluate errors
+
+ Double_t qTot = clus->GetCharge(0), fmin = clus->GetChi2(0);
+ Double_t xreco = clus->GetX(0), yreco = clus->GetY(0), zreco = clus->GetZ(0);
+ Double_t sigmax[2] = {0};
+
+ Int_t nInX = 1, nInY, maxdig[2] ={-1, -1}, digit, cath1, isec;
+ PadsInXandY(nInX, nInY);
+
+ // Find pad with maximum signal
+ for (Int_t cath = 0; cath < 2; cath++) {
+ for (Int_t j = 0; j < clus->GetMultiplicity(cath); j++) {
+ cath1 = cath;
+ digit = clus->GetIndex(j, cath);
+ if (digit < 0) { cath1 = TMath::Even(cath); digit = -digit - 1; } // from the other cathode
+
+ if (clus->GetContrib(j,cath) > sigmax[cath1]) {
+ sigmax[cath1] = clus->GetContrib(j,cath);
+ maxdig[cath1] = digit;
+ }
+ }
+ }
+
+ // Size of pad with maximum signal and reco coordinate distance from the pad center
+ AliMUONDigit *mdig = 0;
+ Double_t wx[2], wy[2], dxc[2], dyc[2];
+ Float_t xpad, ypad, zpad;
+ Int_t ix, iy;
+ for (Int_t cath = 0; cath < 2; cath++) {
+ if (maxdig[cath] < 0) continue;
+ mdig = fInput->Digit(cath,maxdig[cath]);
+ isec = fSegmentation[cath]->Sector(fInput->DetElemId(),mdig->PadX(), mdig->PadY());
+ wx[cath] = fSegmentation[cath]->Dpx(fInput->DetElemId(),isec);
+ wy[cath] = fSegmentation[cath]->Dpy(fInput->DetElemId(),isec);
+ fSegmentation[cath]->GetPadI(fInput->DetElemId(),xreco, yreco, zreco, ix, iy);
+ isec = fSegmentation[cath]->Sector(fInput->DetElemId(),ix,iy);
+ if (isec > 0) {
+ fSegmentation[cath]->GetPadC(fInput->DetElemId(), ix, iy, xpad, ypad, zpad);
+ dxc[cath] = xreco - xpad;
+ dyc[cath] = yreco - ypad;
+ }
+ }
+
+ // Check if pad with max charge at the edge (number of neughbours)
+ Int_t nn, xList[10], yList[10], neighbx[2][2] = {{0,0}, {0,0}}, neighby[2][2]= {{0,0}, {0,0}};
+ for (Int_t cath = 0; cath < 2; cath++) {
+ if (maxdig[cath] < 0) continue;
+ mdig = fInput->Digit(cath,maxdig[cath]);
+ fSegmentation[cath]->Neighbours(fInput->DetElemId(),mdig->PadX(),mdig->PadY(),&nn,xList,yList);
+ isec = fSegmentation[cath]->Sector(fInput->DetElemId(),mdig->PadX(), mdig->PadY());
+ //*??
+ Float_t spr_x = fResponse->SigmaIntegration() * fResponse->ChargeSpreadX();
+ Float_t spr_y = fResponse->SigmaIntegration() * fResponse->ChargeSpreadY();
+ //fSegmentation[cath]->FirstPad(fInput->DetElemId(),muons[ihit][1], muons[ihit][2], muons[ihit][3], spr_x, spr_y);
+ fSegmentation[cath]->FirstPad(fInput->DetElemId(),xreco, yreco, zreco, spr_x, spr_y);
+ Int_t border = 0;
+ if (fSegmentation[cath]->Sector(fInput->DetElemId(),fSegmentation[cath]->Ix(),fSegmentation[cath]->Iy()) <= 0) {
+ fSegmentation[cath]->NextPad(fInput->DetElemId());
+ border = 1;
+ }
+ //*/
+ for (Int_t j=0; j<nn; j++) {
+ if (border && yList[j] < fSegmentation[cath]->Iy()) continue;
+ fSegmentation[cath]->GetPadC (fInput->DetElemId(), xList[j], yList[j], xpad, ypad, zpad);
+ //cout << ch << " " << xList[j] << " " << yList[j] << " " << border << " " << x << " " << y << " " << xpad << " " << ypad << endl;
+ if (TMath::Abs(xpad) < 1 && TMath::Abs(ypad) < 1) continue;
+ if (xList[j] == mdig->PadX()-1 || mdig->PadX() == 1 &&
+ xList[j] == -1) neighbx[cath][0] = 1;
+ else if (xList[j] == mdig->PadX()+1 || mdig->PadX() == -1 &&
+ xList[j] == 1) neighbx[cath][1] = 1;
+ if (yList[j] == mdig->PadY()-1 || mdig->PadY() == 1 &&
+ yList[j] == -1) neighby[cath][0] = 1;
+ else if (yList[j] == mdig->PadY()+1 || mdig->PadY() == -1 &&
+ yList[j] == 1) neighby[cath][1] = 1;
+ } // for (Int_t j=0; j<nn;
+ if (neighbx[cath][0] && neighbx[cath][1]) neighbx[cath][0] = 0;
+ else if (neighbx[cath][1]) neighbx[cath][0] = -1;
+ else neighbx[cath][0] = 1;
+ if (neighby[cath][0] && neighby[cath][1]) neighby[cath][0] = 0;
+ else if (neighby[cath][1]) neighby[cath][0] = -1;
+ else neighby[cath][0] = 1;
+ }
+
+ Int_t iOver = clus->GetClusterType();
+ // One-sided cluster
+ if (!clus->GetMultiplicity(0)) {
+ neighby[0][0] = neighby[1][0];
+ wy[0] = wy[1];
+ if (iOver < 99) iOver += 100 * iOver;
+ dyc[0] = dyc[1];
+ } else if (!clus->GetMultiplicity(1)) {
+ neighbx[1][0] = neighbx[0][0];
+ wx[1] = wx[0];
+ if (iOver < 99) iOver += 100 * iOver;
+ dxc[1] = dxc[0];
+ }
+
+ // Apply corrections and evaluate errors
+ Double_t errY, errX;
+ Errors(nInY, nInX, neighby[0][0],neighbx[1][0], fmin, wy[0]*10, wx[1]*10, iOver,
+ dyc[0], dxc[1], qTot, yreco, xreco, errY, errX);
+ errY = TMath::Max (errY, 0.01);
+ //errY = 0.01;
+ //errX = TMath::Max (errX, 0.144);
+ clus->SetX(0, xreco); clus->SetY(0, yreco);
+ clus->SetX(1, errX); clus->SetY(1, errY);
+}
+
+//_____________________________________________________________________________
+void AliMUONClusterFinderAZ::Errors(Int_t ny, Int_t nx, Int_t iby, Int_t ibx, Double_t fmin,
+ Double_t wy, Double_t wx, Int_t iover,
+ Double_t dyc, Double_t /*dxc*/, Double_t qtot,
+ Double_t &yrec, Double_t &xrec, Double_t &erry, Double_t &errx)
+{
+ // Correct reconstructed coordinates for some clusters and evaluate errors
+
+ erry = 0.01;
+ errx = 0.144;
+ Int_t iovery = iover % 100;
+ Double_t corr = 0;
+
+/* ---> Ny = 1 */
+ if (ny == 1) {
+ if (iby != 0) {
+ // edge effect
+ yrec += iby * (0.1823+0.2008)/2;
+ erry = 0.04587;
+ } else {
+ // Find "effective pad width"
+ Double_t width = 0.218 / (1.31e-4 * TMath::Exp (2.688 * TMath::Log(qtot)) + 1) * 2;
+ width = TMath::Min (width, 0.4);
+ erry = width / TMath::Sqrt(12.);
+ erry = TMath::Max (erry, 0.01293);
+ }
+ goto x; //return;
+ }
+
+/* ---> "Bad" fit */
+ if (fmin > 0.4) {
+ erry = 0.1556;
+ if (ny == 5) erry = 0.06481;
+ goto x; //return;
+ }
+
+/* ---> By != 0 */
+ if (iby != 0) {
+ if (ny > 2) {
+ erry = 0.00417; //0.01010
+ } else {
+ // ny = 2
+ if (dyc * iby > -0.05) {
+ Double_t dyc2 = dyc * dyc;
+ if (iby < 0) {
+ corr = 0.019 - 0.602 * dyc + 8.739 * dyc2 - 44.209 * dyc2 * dyc;
+ corr = TMath::Min (corr, TMath::Abs(-0.25-dyc));
+ yrec -= corr;
+ //dyc -= corr;
+ erry = 0.00814;
+ } else {
+ corr = 0.006 + 0.300 * dyc + 6.147 * dyc2 + 42.039 * dyc2 * dyc;
+ corr = TMath::Min (corr, 0.25-dyc);
+ yrec += corr;
+ //dyc += corr;
+ erry = 0.01582;
+ }
+ } else {
+ erry = (0.00303 + 0.00296) / 2;
+ }
+ }
+ goto x; //return;
+ }
+
+/* ---> Overflows */
+ if (iovery != 0) {
+ if (qtot < 3000) {
+ erry = 0.0671;
+ } else {
+ if (iovery > 1) {
+ erry = 0.09214;
+ } else if (TMath::Abs(wy - 5) < 0.1) {
+ erry = 0.061; //0.06622
+ } else {
+ erry = 0.00812; // 0.01073
+ }
+ }
+ goto x; //return;
+ }
+
+/* ---> "Good" but very high signal */
+ if (qtot > 4000) {
+ if (TMath::Abs(wy - 4) < 0.1) {
+ erry = 0.00117;
+ } else if (fmin < 0.03 && qtot < 6000) {
+ erry = 0.01003;
+ } else {
+ erry = 0.1931;
+ }
+ goto x; //return;
+ }
+
+/* ---> "Good" clusters */
+ if (ny > 3) {
+ if (TMath::Abs(wy - 5) < 0.1) {
+ erry = 0.0011; //0.00304
+ } else if (qtot < 400.) {
+ erry = 0.0165;
+ } else {
+ erry = 0.00135; // 0.00358
+ }
+ } else if (ny == 3) {
+ if (TMath::Abs(wy - 4) < 0.1) {
+ erry = 35.407 / (1 + TMath::Exp(5.511*TMath::Log(qtot/265.51))) + 11.564;
+ //erry = 83.512 / (1 + TMath::Exp(3.344*TMath::Log(qtot/211.58))) + 12.260;
+ } else {
+ erry = 147.03 / (1 + TMath::Exp(1.713*TMath::Log(qtot/73.151))) + 9.575;
+ //erry = 91.743 / (1 + TMath::Exp(2.332*TMath::Log(qtot/151.67))) + 11.453;
+ }
+ erry *= 1.e-4;
+ } else {
+ // ny = 2
+ if (TMath::Abs(wy - 4) < 0.1) {
+ erry = 60.800 / (1 + TMath::Exp(3.305*TMath::Log(qtot/104.53))) + 11.702;
+ //erry = 73.128 / (1 + TMath::Exp(5.676*TMath::Log(qtot/120.93))) + 17.839;
+ } else {
+ erry = 117.98 / (1 + TMath::Exp(2.005*TMath::Log(qtot/37.649))) + 21.431;
+ //erry = 99.066 / (1 + TMath::Exp(4.900*TMath::Log(qtot/107.57))) + 25.315;
+ }
+ erry *= 1.e-4;
+ }
+ //return;
+
+ x:
+/* ---> X-coordinate */
+/* ---> Y-side */
+ if (wx > 11) {
+ errx = 0.0036;
+ xrec -= 0.1385;
+ return;
+ }
+/* ---> Nx = 1 */
+ if (nx == 1) {
+ if (TMath::Abs(wx - 6) < 0.1) {
+ if (qtot < 40) errx = 0.1693;
+ else errx = 0.06241;
+ } else if (TMath::Abs(wx - 7.5) < 0.1) {
+ if (qtot < 40) errx = 0.2173;
+ else errx = 0.07703;
+ } else if (TMath::Abs(wx - 10) < 0.1) {
+ if (ibx == 0) {
+ if (qtot < 40) errx = 0.2316;
+ else errx = 0.1426;
+ } else {
+ xrec += (0.2115 + 0.1942) / 2 * ibx;
+ errx = 0.1921;
+ }
+ }
+ return;
+ }
+/* ---> "Bad" fit */
+ if (fmin > 0.5) {
+ errx = 0.1591;
+ return;
+ }
+/* ---> Bx != 0 */
+ if (ibx != 0) {
+ if (ibx > 0) { errx = 0.06761; xrec -= 0.03832; }
+ else { errx = 0.06653; xrec += 0.02581; }
+ return;
+ }
+/* ---> Overflows */
+ if (iover != 0) {
+ if (TMath::Abs(wx - 6) < 0.1) errx = 0.06979;
+ else if (TMath::Abs(wx - 7.5) < 0.1) errx = 0.1089;
+ else if (TMath::Abs(wx - 10) < 0.1) errx = 0.09847;
+ return;
+ }
+/* ---> Good */
+ if (TMath::Abs(wx - 6) < 0.1) errx = 0.06022;
+ else if (TMath::Abs(wx - 7.5) < 0.1) errx = 0.07247;
+ else if (TMath::Abs(wx - 10) < 0.1) errx = 0.07359;
+}
+