/*
$Log$
+ Revision 1.3 2000/06/15 15:47:12 jbarbosa
+ Corrected compilation errors on HP-UX (replaced pow with TMath::Power)
+
Revision 1.2 2000/06/12 15:26:09 jbarbosa
Cleaned up version.
Int_t x,y,q;
Float_t rx,ry;
Int_t nent,status;
+ Int_t padsUsedX[100];
+ Int_t padsUsedY[100];
- Float_t gamma,massCer,betaCer;
-
- Float_t rechit[5];
+ Float_t rechit[7];
printf("PatRec started\n");
- TCanvas *c1 = new TCanvas("c1","Alice RICH pad hits",50,10,700,700);
-
- TH2F *ring = new TH2F("ring","map",90,-30.,30.,90,-30.,30.);
- TH2F *ringband = new TH2F("ringband","map",90,-65.,65.,90,-65.,65.);
- TH1F *cerangle = new TH1F("cerangle","phot",300,0.45,0.75);
- TH1F *ceranglew= new TH1F("ceranglew","phot",300,0.45,0.75);
- TH1F *hough = new TH1F("hough","hough",75,0.45,0.75);
- TH1F *mass = new TH1F("mass","mass",100,50.,1050.);
-
AliRICH *pRICH = (AliRICH*)gAlice->GetDetector("RICH");
TTree *treeH = gAlice->TreeH();
status = TrackParam(itr,ich);
if(status==1) continue;
- printf(" theta %f phi %f track \n",fTrackTheta,fTrackPhi);
+ //printf(" theta %f phi %f track \n",fTrackTheta,fTrackPhi);
// ring->Fill(fTrackLoc[0],fTrackLoc[1],100.);
iChamber = &(pRICH->Chamber(ich));
gAlice->TreeD()->GetEvent(nent-1);
TClonesArray *pDigitss = pRICH->DigitsAddress(ich);
ndigits[ich] = pDigitss->GetEntriesFast();
- printf("ndigits %d in chamber %d\n",ndigits[ich],ich);
+ printf("Digits in chamber %d: %d\n",ich,ndigits[ich]);
AliRICHDigit *padI = 0;
goodPhotons = 0;
q=padI->fSignal;
segmentation->GetPadCxy(x,y,rx,ry);
+ //printf("Pad coordinates x:%d, Real coordinates x:%f\n",x,rx);
+ //printf("Pad coordinates y:%d, Real coordinates y:%f\n",y,ry);
+
fXpad = rx-fXshift;
fYpad = ry-fYshift;
fQpad = q;
- ringband->Fill(x,y,1.);
fCerenkovAnglePad = PhotonCerenkovAngle();
if(fCerenkovAnglePad==-999) continue;
if(!PhotonInBand()) continue;
- ring->Fill(fXpad,fYpad,1.);
- cerangle->Fill(fCerenkovAnglePad,1.);
+ Int_t xpad;
+ Int_t ypad;
+
+ segmentation->GetPadIxy(fXpad,fYpad,xpad,ypad);
+ padsUsedX[goodPhotons]=xpad;
+ padsUsedY[goodPhotons]=ypad;
+
goodPhotons++;
- fEtaPhotons[goodPhotons] = fCerenkovAnglePad;
+ fEtaPhotons[goodPhotons-1] = fCerenkovAnglePad;
}
fNumEtaPhotons = goodPhotons;
BackgroundEstimation();
- for(i=0;i<goodPhotons;i++) {
- ceranglew->Fill(fEtaPhotons[i],fWeightPhotons[i]);
- // printf(" Eta %f weight %f \n",fEtaPhotons[i],fWeightPhotons[i]);
- }
-
HoughResponse();
+ //CerenkovRingDrawing();
rechit[0] = 0;
rechit[1] = 0;
rechit[2] = fThetaCerenkov;
- rechit[3] = 0;
- rechit[4] = 0;
-
+ rechit[3] = fXshift + fTrackLoc[0];
+ rechit[4] = fYshift + fTrackLoc[1];
+ rechit[5] = fEmissPoint;
+ rechit[6] = goodPhotons;
- hough->Fill(fThetaCerenkov,1.);
+ //printf("Center coordinates:%f %f\n",rechit[3],rechit[4]);
- pRICH->AddRecHit(ich,rechit);
+ pRICH->AddRecHit(ich,rechit,fEtaPhotons,padsUsedX,padsUsedY);
- betaCer = BetaCerenkov(1.29,fThetaCerenkov);
- gamma = 1./sqrt(1.-TMath::Power(betaCer,2));
- massCer = fTrackMom/(betaCer*gamma);
- // printf(" mass %f \n",massCer);
- mass->Fill(massCer*1000,1.);
}
gAlice->TreeR()->Fill();
}
pRICH->ResetRecHits();
-
- c1->Divide(2,2);
- c1->cd(1);
- ring->Draw("box");
- c1->cd(2);
- ringband->Draw("box");
- c1->cd(3);
- cerangle->Draw();
- c1->cd(4);
- hough->Draw();
-
}
pY = mHit->fMomY;
pZ = mHit->fMomZ;
fTrackMom = sqrt(TMath::Power(pX,2)+TMath::Power(pY,2)+TMath::Power(pZ,2));
- thetatr = (180 - mHit->fTheta)*(Float_t)kDegrad;
+ thetatr = (mHit->fTheta)*(Float_t)kDegrad;
phitr = mHit->fPhi*(Float_t)kDegrad;
iloss = mHit->fLoss;
part = mHit->fParticle;
fRw = fGeometry->GetFreonThickness();
fQw = fGeometry->GetQuartzThickness();
- fTgap = fGeometry->GetGapThickness()
- + fGeometry->GetProximityGapThickness();
+ fTgap = fGeometry->GetGapThickness();
+ Float_t radiatorToPads= fGeometry->GetRadiatorToPads();
+ //+ fGeometry->GetProximityGapThickness();
- Float_t apar = (fRw + fQw + fTgap)*tan(thetatr);
+ //printf("Distance to pads. From geometry:%f, From calculations:%f\n",radiatorToPads,fRw + fQw + fTgap);
+
+ //Float_t apar = (fRw + fQw + fTgap)*tan(thetatr);
+ Float_t apar = radiatorToPads*tan(thetatr);
fTrackLoc[0] = apar*cos(phitr);
fTrackLoc[1] = apar*sin(phitr);
- fTrackLoc[2] = fRw + fQw + fTgap;
+ //fTrackLoc[2] = fRw + fQw + fTgap;
+ fTrackLoc[2] = radiatorToPads;
fTrackTheta = thetatr;
fTrackPhi = phitr;
Float_t e1, e2, f1, f2;
Float_t nfreon[2], nquartz[2];
Int_t times;
-
+ Float_t pointsOnCathode[3];
Float_t phpad, thetacer[2];
Float_t bandradius[2], padradius;
f1 = 46.411;
f2 = 228.71;
-
phpad = PhiPad();
for (times=0; times<=1; times++) {
nfreon[times] = a+b*energy[times];
+ //nfreon[times] = 1;
nquartz[times] = sqrt(1+(f1/(TMath::Power(e1,2)-TMath::Power(energy[times],2)))+
(f2/(TMath::Power(e2,2)-TMath::Power(energy[times],2))));
thetacer[times] = CherenkovAngle( nfreon[times], beta[times]);
bandradius[times] = DistanceFromMip( nfreon[times], nquartz[times],
- emissPointLength[times],
- thetacer[times], phpad);
- }
+ emissPointLength[times],
+ thetacer[times], phpad, pointsOnCathode);
+ //printf(" ppp %f %f %f \n",pointsOnCathode);
+}
bandradius[0] -= 1.6;
bandradius[1] += 1.6;
Float_t AliRICHPatRec::DistanceFromMip(Float_t nfreon, Float_t nquartz,
Float_t emissPointLength, Float_t thetacer,
- Float_t phpad)
+ Float_t phpad, Float_t pointsOnCathode[3])
{
// Find the distance to MIP impact
TVector3 gapExitPhot(1,1,1) ;
Float_t magGapExitPhot;
//
- TVector3 fPhotocatExitPhot(1,1,1);
+ TVector3 PhotocatExitPhot(1,1,1);
Double_t theta2;
Double_t thetarad , phirad ;
Double_t thetaquar, phiquar;
radExitPhot = vectEmissPointLength + radExitPhot2;
thetarad = radExitPhot.Theta();
-
phirad = radExitPhot.Phi(); //check on the original file //
thetaquar = SnellAngle( nfreon, nquartz, theta2);
gapExitPhot.SetTheta(thetagap);
gapExitPhot.SetPhi(phigap);
- fPhotocatExitPhot = radExitPhot + quarExitPhot + gapExitPhot;
+ PhotocatExitPhot = radExitPhot + quarExitPhot + gapExitPhot;
- distanceValue = sqrt(TMath::Power(fPhotocatExitPhot(0),2)
- +TMath::Power(fPhotocatExitPhot(1),2));
- return distanceValue ;
-}
+ distanceValue = sqrt(TMath::Power(PhotocatExitPhot(0),2)
+ +TMath::Power(PhotocatExitPhot(1),2));
+ pointsOnCathode[0] = (Float_t) PhotocatExitPhot(0) + fXshift - fTrackLoc[0];
+ pointsOnCathode[1] = (Float_t) PhotocatExitPhot(1) + fYshift - fTrackLoc[1];
+ pointsOnCathode[2] = (Float_t) PhotocatExitPhot(2);
+
+ //printf(" point in Distance.2. %f %f %f \n",pointsOnCathode[0],pointsOnCathode[1],pointsOnCathode[2]);
+
+ return distanceValue;
+
+ }
Float_t AliRICHPatRec::PhiPad()
{
}
}
-Float_t AliRICHPatRec::CherenkovRingDrawing(Float_t fixedthetacer)
+/*void AliRICHPatRec::CerenkovRingDrawing()
{
//to draw Cherenkov ring by known Cherenkov angle
- Int_t nmaxdegrees, nstepdegrees;
- Float_t phpad, thetacer;
+ Int_t nmaxdegrees;
+ Int_t Nphpad;
+ Float_t phpad;
Float_t nfreonave, nquartzave;
Float_t aveEnerg;
Float_t energy[2];
Float_t e1, e2, f1, f2;
Float_t bandradius;
- Float_t coordPadRing;
-
+
//parameters to calculate freon window refractive index vs. energy
+
Float_t a = 1.177;
Float_t b = 0.0172;
//parameters to calculate quartz window refractive index vs. energy
-/*
- Energ[0] = 5.6;
- Energ[1] = 7.7;
-*/
+
energy[0] = 5.0;
energy[1] = 8.0;
e1 = 10.666;
f2 = 228.71;
- nmaxdegrees = 360;
-
- nstepdegrees = 36;
+ nmaxdegrees = 36;
- for (phpad=0; phpad<nmaxdegrees;phpad++) {
+ for (Nphpad=0; Nphpad<nmaxdegrees;Nphpad++) {
+
+ phpad = (360./(Float_t)nmaxdegrees)*(Float_t)Nphpad;
aveEnerg = (energy[0]+energy[1])/2.;
nquartzave = sqrt(1+(f1/(TMath::Power(e1,2)-TMath::Power(aveEnerg,2)))+
(f2/(TMath::Power(e2,2)-TMath::Power(aveEnerg,2))));
- thetacer = fixedthetacer;
-
bandradius = DistanceFromMip(nfreonave, nquartzave,
- fEmissPoint,thetacer, phpad);
+ fEmissPoint,fThetaCerenkov, phpad);
- coordPadRing=fPhotocatExitPhot;
+ fCoordEllipse[0][Nphpad] = fOnCathode[0];
+ fCoordEllipse[1][Nphpad] = fOnCathode[1];
+ printf(" values %f %f \n",fOnCathode[0],fOnCathode[1]);
- phpad = (nmaxdegrees/nstepdegrees)*phpad;
-
- return coordPadRing;
}
- return coordPadRing;
-}
+}*/
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff