/*
$Log$
+ Revision 1.2 2000/06/12 15:19:30 jbarbosa
+ Cleaned up version.
+
Revision 1.1 2000/04/19 13:05:14 morsch
J. Barbosa's spot reconstruction algorithm.
//printf("Detection started!\n");
- Float_t OMEGA,steptheta,stepphi,x,y,cx,cy,l,aux1,aux2,aux3,maxi,maxj,maxk,max;
+ Float_t omega,steptheta,stepphi,x,y,cx,cy,l,aux1,aux2,aux3,maxi,maxj,maxk,max;
//Float_t theta,phi,realomega,realtheta;
Int_t i,j,k;
//const Float_t Noise_Level=0; //Noise Level in percentage of mesh points
//const Float_t t=0.6; //Softening of Noise Correction (factor)
- const Float_t Pii=3.1415927;
+ const Float_t kPi=3.1415927;
- const Float_t h=10; //Distance from Radiator to Pads in pads
+ const Float_t kHeight=10; //Distance from Radiator to Pads in pads
- const Int_t dimensiontheta=100; //Matrix dimension for angle Detection
- const Int_t dimensionphi=100;
- const Int_t dimensionOMEGA=100;
+ const Int_t kDimensionTheta=100; //Matrix dimension for angle Detection
+ const Int_t kDimensionPhi=100;
+ const Int_t kDimensionOmega=100;
//const Float_t SPOTp=.2; //Percentage of spot action
//const Int_t np=500; //Number of points to reconstruct elipse
- const Float_t maxOMEGA=65*Pii/180; //Maximum Cherenkov angle to identify
+ const Float_t kMaxOmega=65*kPi/180; //Maximum Cherenkov angle to identify
- Int_t Point[dimensiontheta][dimensionphi][dimensionOMEGA];
- //Int_t Point1[dimensiontheta][dimensionphi][dimensionOMEGA];
+ Int_t point[kDimensionTheta][kDimensionPhi][kDimensionOmega];
+ //Int_t point1[kDimensionTheta][kDimensionPhi][kDimensionOmega];
- steptheta=Pii/dimensiontheta;
- stepphi=Pii/dimensionphi;
+ steptheta=kPi/kDimensionTheta;
+ stepphi=kPi/kDimensionPhi;
AliRICHChamber* iChamber;
- AliRICH *RICH = (AliRICH*)gAlice->GetDetector("RICH");
+ AliRICH *pRICH = (AliRICH*)gAlice->GetDetector("RICH");
Int_t ntracks = (Int_t)gAlice->TreeH()->GetEntries();
//Int_t ntrks = gAlice->GetNtrack();
for (Int_t track=0; track<ntracks;track++) {
gAlice->ResetHits();
gAlice->TreeH()->GetEvent(track);
- TClonesArray *Hits = RICH->Hits();
- if (Hits == 0) return;
- Int_t nhits = Hits->GetEntriesFast();
+ TClonesArray *pHits = pRICH->Hits();
+ if (pHits == 0) return;
+ Int_t nhits = pHits->GetEntriesFast();
if (nhits == 0) continue;
Int_t nent=(Int_t)gAlice->TreeD()->GetEntries();
gAlice->TreeD()->GetEvent(nent-1);
Int_t counter=0;
//Initialization
- for(i=0;i<dimensiontheta;i++)
+ for(i=0;i<kDimensionTheta;i++)
{
- for(j=0;j<dimensionphi;j++)
+ for(j=0;j<kDimensionPhi;j++)
{
- for(k=0;k<dimensionOMEGA;k++)
+ for(k=0;k<kDimensionOmega;k++)
{
counter++;
- Point[i][j][k]=0;
- //printf("Dimensions theta:%d, phi:%d, omega:%d",dimensiontheta,dimensionphi,dimensionOMEGA);
+ point[i][j][k]=0;
+ //printf("Dimensions theta:%d, phi:%d, omega:%d",kDimensionTheta,kDimensionPhi,kDimensionOmega);
//printf("Resetting %d %d %d, time %d\n",i,j,k,counter);
- //-Noise_Level*(Area(i*Pii/(18*dimension),k*maxOMEGA/dimension)-Area((i-1)*Pii/(18*dimension),(k-1)*maxOMEGA/dimension));
- //printf("n-%f",-Noise_Level*(Area(i*Pii/(18*dimension),k*maxOMEGA/dimension)-Area((i-1)*Pii/(18*dimension),(k-1)*maxOMEGA/dimension)));
+ //-Noise_Level*(Area(i*kPi/(18*dimension),k*kMaxOmega/dimension)-Area((i-1)*kPi/(18*dimension),(k-1)*kMaxOmega/dimension));
+ //printf("n-%f",-Noise_Level*(Area(i*kPi/(18*dimension),k*kMaxOmega/dimension)-Area((i-1)*kPi/(18*dimension),(k-1)*kMaxOmega/dimension)));
}
}
}
- mHit = (AliRICHHit*) Hits->UncheckedAt(0);
+ mHit = (AliRICHHit*) pHits->UncheckedAt(0);
//printf("Aqui vou eu\n");
Int_t nch = mHit->fChamber;
//printf("Aqui fui eu\n");
//printf("Chamber processed:%d\n",nch);
printf("Center processed: %3.1f %3.1f %3.1f\n",trackglob[0],trackglob[1],trackglob[2]);
- iChamber = &(RICH->Chamber(nch-1));
+ iChamber = &(pRICH->Chamber(nch-1));
//printf("Nch:%d\n",nch);
iChamber->GlobaltoLocal(trackglob,trackloc);
- printf("Transformation 1: %3.1f %3.1f %3.1f\n",trackloc[0],trackloc[1],trackloc[2]);
+ //printf("Transformation 1: %3.1f %3.1f %3.1f\n",trackloc[0],trackloc[1],trackloc[2]);
iChamber->LocaltoGlobal(trackloc,trackglob);
- printf("Transformation 2: %3.1f %3.1f %3.1f\n",trackglob[0],trackglob[1],trackglob[2]);
+ //printf("Transformation 2: %3.1f %3.1f %3.1f\n",trackglob[0],trackglob[1],trackglob[2]);
- TClonesArray *Digits = RICH->DigitsAddress(nch-1);
- Int_t ndigits = Digits->GetEntriesFast();
+ TClonesArray *pDigits = pRICH->DigitsAddress(nch-1);
+ Int_t ndigits = pDigits->GetEntriesFast();
//printf("Got %d digits\n",ndigits);
//printf("Starting calculations\n");
- for(Float_t theta=0;theta<Pii/18;theta+=steptheta)
+ for(Float_t theta=0;theta<kPi/18;theta+=steptheta)
{
- for(Float_t phi=0;phi<=Pii/3;phi+=stepphi)
+ for(Float_t phi=0;phi<=kPi/3;phi+=stepphi)
{
for (Int_t dig=0;dig<ndigits;dig++)
{
- points=(AliRICHDigit*) Digits->UncheckedAt(dig);
+ points=(AliRICHDigit*) pDigits->UncheckedAt(dig);
x=points->fPadX-cx;
y=points->fPadY-cy;
//printf("Loaded digit %d with coordinates x:%f, y%f\n",dig,x,y);
//cout<<"x="<<x<<" y="<<y<<endl;
- if (sqrt(pow(x,2)+pow(y,2))<h*tan(theta+maxOMEGA)*3/4)
+ if (sqrt(pow(x,2)+pow(y,2))<kHeight*tan(theta+kMaxOmega)*3/4)
{
- l=h/cos(theta);
+ l=kHeight/cos(theta);
aux1=-y*sin(phi)+x*cos(phi);
aux2=y*cos(phi)+x*sin(phi);
aux3=( pow(aux1,2)+pow(cos(theta)*aux2 ,2))/pow(sin(theta)*aux2+l,2);
//cout<<"aux1="<<aux1<<" aux2="<<aux2<<" aux3="<<aux3;
- OMEGA=atan(sqrt(aux3));
- //printf("Omega: %f\n",OMEGA);
+ omega=atan(sqrt(aux3));
+ //printf("Omega: %f\n",omega);
- //cout<<"\ni="<<i<<" theta="<<Int_t(2*theta*dimension/Pii)<<" phi="<<Int_t(2*phi*dimension/Pii)<<" OMEGA="<<Int_t(2*OMEGA*dimension/Pii)<<endl<<endl;
+ //cout<<"\ni="<<i<<" theta="<<Int_t(2*theta*dimension/kPi)<<" phi="<<Int_t(2*phi*dimension/kPi)<<" omega="<<Int_t(2*omega*dimension/kPi)<<endl<<endl;
//{Int_t lixo;cin>>lixo;}
- if(OMEGA<maxOMEGA)Point[Int_t(2*theta*dimensiontheta/Pii)][Int_t(2*phi*dimensionphi/Pii)][Int_t(OMEGA*dimensionOMEGA/maxOMEGA)]+=1;
- //if(OMEGA<maxOMEGA)Point[Int_t(theta)][Int_t(phi)][Int_t(OMEGA)]+=1;
+ if(omega<kMaxOmega)point[Int_t(2*theta*kDimensionTheta/kPi)][Int_t(2*phi*kDimensionPhi/kPi)][Int_t(omega*kDimensionOmega/kMaxOmega)]+=1;
+ //if(omega<kMaxOmega)point[Int_t(theta)][Int_t(phi)][Int_t(omega)]+=1;
}
}
}
/*for(s=1;i<=2;s++)
{
//buffer copy
- for(i=0;i<=dimensiontheta;i++)
- for(j=0;j<=dimensionphi;j++)
- for(k=0;k<=dimensionOMEGA;k++)
- Point1[i][j][k]=Point[i][j][k];
+ for(i=0;i<=kDimensionTheta;i++)
+ for(j=0;j<=kDimensionPhi;j++)
+ for(k=0;k<=kDimensionOmega;k++)
+ point1[i][j][k]=point[i][j][k];
cout<<"COM SPOT!"<<endl;{Int_t lixo;cin>>lixo;}
//SPOT algorithm
- for(i=1;i<dimensiontheta;i++)
- for(j=1;j<dimensionphi;j++)
- for(k=1;k<dimensionOMEGA;k++)
+ for(i=1;i<kDimensionTheta;i++)
+ for(j=1;j<kDimensionPhi;j++)
+ for(k=1;k<kDimensionOmega;k++)
{
- if((Point[i][k][j]>Point[i-1][k][j])&&(Point[i][k][j]>Point[i+1][k][j])&&
- (Point[i][k][j]>Point[i][k-1][j])&&(Point[i][k][j]>Point[i][k+1][j])&&
- (Point[i][k][j]>Point[i][k][j-1])&&(Point[i][k][j]>Point[i][k][j+1]))
+ if((point[i][k][j]>point[i-1][k][j])&&(point[i][k][j]>point[i+1][k][j])&&
+ (point[i][k][j]>point[i][k-1][j])&&(point[i][k][j]>point[i][k+1][j])&&
+ (point[i][k][j]>point[i][k][j-1])&&(point[i][k][j]>point[i][k][j+1]))
{
//cout<<"SPOT"<<endl;
//Execute SPOT on point
- Point1[i][j][k]+=int(SPOTp*(Point[i-1][k][j]+Point[i+1][k][j]+Point[i][k-1][j]+Point[i][k+1][j]+Point[i][k][j-1]+Point[i][k][j+1]));
- Point1[i-1][k][j]=int(SPOTp*Point[i-1][k][j]);
- Point1[i+1][k][j]=Int_t(SPOTp*Point[i+1][k][j]);
- Point1[i][k-1][j]=Int_t(SPOTp*Point[i][k-1][j]);
- Point1[i][k+1][j]=Int_t(SPOTp*Point[i][k+1][j]);
- Point1[i][k][j-1]=Int_t(SPOTp*Point[i][k][j-1]);
- Point1[i][k][j+1]=Int_t(SPOTp*Point[i][k][j+1]);
+ point1[i][j][k]+=int(SPOTp*(point[i-1][k][j]+point[i+1][k][j]+point[i][k-1][j]+point[i][k+1][j]+point[i][k][j-1]+point[i][k][j+1]));
+ point1[i-1][k][j]=int(SPOTp*point[i-1][k][j]);
+ point1[i+1][k][j]=Int_t(SPOTp*point[i+1][k][j]);
+ point1[i][k-1][j]=Int_t(SPOTp*point[i][k-1][j]);
+ point1[i][k+1][j]=Int_t(SPOTp*point[i][k+1][j]);
+ point1[i][k][j-1]=Int_t(SPOTp*point[i][k][j-1]);
+ point1[i][k][j+1]=Int_t(SPOTp*point[i][k][j+1]);
}
}
//copy from buffer copy
- for(i=1;i<dimensiontheta;i++)
- for(j=1;j<dimensionphi;j++)
- for(k=1;k<dimensionOMEGA;k++)
- Point[i][j][k]=Point1[i][j][k];
+ for(i=1;i<kDimensionTheta;i++)
+ for(j=1;j<kDimensionPhi;j++)
+ for(k=1;k<kDimensionOmega;k++)
+ point[i][j][k]=point1[i][j][k];
}*/
//cout<<"Proceeding to Identification"<<endl;
- for(i=1;i<dimensiontheta-3;i++)
- for(j=1;j<=dimensionphi-3;j++)
- for(k=0;k<=dimensionOMEGA;k++)
- if(Point[i][j][k]>max)
+ for(i=1;i<kDimensionTheta-3;i++)
+ for(j=1;j<=kDimensionPhi-3;j++)
+ for(k=0;k<=kDimensionOmega;k++)
+ if(point[i][j][k]>max)
{
- //cout<<"maxi="<<i*90/dimension<<" maxj="<<j*90/dimension<<" maxk="<<k*maxOMEGA/dimension*180/Pii<<" max="<<max<<endl;
+ //cout<<"maxi="<<i*90/dimension<<" maxj="<<j*90/dimension<<" maxk="<<k*kMaxOmega/dimension*180/kPi<<" max="<<max<<endl;
maxi=i;maxj=j;maxk=k;
- max=Point[i][j][k];
+ max=point[i][j][k];
//printf("Max Omega %f, Max Theta %f, Max Phi %f\n",maxk,maxi,maxj);
}
- //printf("Detected angle for height %3.1f and for center %3.1f %3.1f:%f\n",h,cx,cy,maxk*Pii/(dimensiontheta*4));
- //printf("Detected angle for height %3.1f and for center %3.1f %3.1f:%f\n",h,cx,cy,maxk);
+ //printf("Detected angle for height %3.1f and for center %3.1f %3.1f:%f\n",h,cx,cy,maxk*kPi/(kDimensionTheta*4));
+ //printf("Detected angle for height %3.1f and for center %3.1f %3.1f:%f\n",kHeight,cx,cy,maxk);
//fscanf(omegas,"%f",&realomega);
//fscanf(thetas,"%f",&realtheta);
//printf("Real Omega: %f",realomega);
- //cout<<"Detected:theta="<<maxi*90/dimensiontheta<<"phi="<<maxj*90/dimensionphi<<"OMEGA="<<maxk*maxOMEGA/dimensionOMEGA*180/Pii<<" OmegaError="<<fabs(maxk*maxOMEGA/dimensionOMEGA*180/Pii-realomega)<<" ThetaError="<<fabs(maxi*90/dimensiontheta-realtheta)<<endl<<endl;
+ //cout<<"Detected:theta="<<maxi*90/kDimensionTheta<<"phi="<<maxj*90/kDimensionPhi<<"omega="<<maxk*kMaxOmega/kDimensionOmega*180/kPi<<" OmegaError="<<fabs(maxk*kMaxOmega/kDimensionOmega*180/kPi-realomega)<<" ThetaError="<<fabs(maxi*90/kDimensionTheta-realtheta)<<endl<<endl;
- //fprintf(results,"Center Coordinates, cx=%6.2f cy=%6.2f, Real Omega=%6.2f, Detected Omega=%6.2f, Omega Error=%6.2f Theta Error=%6.2f\n",cx,cy,realomega,maxk*maxOMEGA/dimensionOMEGA*180/Pii,fabs(maxk*maxOMEGA/dimensionOMEGA*180/Pii-realomega),fabs(maxi*90/dimensiontheta-realtheta));
+ //fprintf(results,"Center Coordinates, cx=%6.2f cy=%6.2f, Real Omega=%6.2f, Detected Omega=%6.2f, Omega Error=%6.2f Theta Error=%6.2f\n",cx,cy,realomega,maxk*kMaxOmega/kDimensionOmega*180/kPi,fabs(maxk*kMaxOmega/kDimensionOmega*180/kPi-realomega),fabs(maxi*90/kDimensionTheta-realtheta));
/*for(j=0;j<np;j++)
- Pointpp(maxj*90/dimensiontheta,maxi*90/dimensionphi,maxk*maxOMEGA/dimensionOMEGA*180/Pii,cx,cy);//Generates a point on the elipse*/
+ pointpp(maxj*90/kDimensionTheta,maxi*90/kDimensionPhi,maxk*kMaxOmega/kDimensionOmega*180/kPi,cx,cy);//Generates a point on the elipse*/
//Start filling rec. hits
Float_t rechit[5];
- rechit[0] = (Float_t)( maxi*Pii/(dimensiontheta*4));
- rechit[1] = (Float_t)( maxj*Pii/(dimensionphi*4));
- rechit[2] = (Float_t)( maxk*Pii/(dimensionOMEGA*4));
+ rechit[0] = (Float_t)( maxi*kPi/(kDimensionTheta*4));
+ rechit[1] = (Float_t)( maxj*kPi/(kDimensionPhi*4));
+ rechit[2] = (Float_t)( maxk*kPi/(kDimensionOmega*4));
//rechit[0] = (Float_t)( maxi);
//rechit[1] = (Float_t)( maxj);
//rechit[2] = (Float_t)( maxk);
//printf ("track %d, theta %f, phi %f, omega %f\n\n\n",track,rechit[0],rechit[1],rechit[2]);
// fill rechits
- RICH->AddRecHit(nch-1,rechit);
+ pRICH->AddRecHit(nch-1,rechit);
}
//printf("\n\n\n\n");
gAlice->TreeR()->Fill();
//Stat_t ndig=TR->GetEntries();
TClonesArray *fRec;
for (i=0;i<kNCH;i++) {
- fRec=RICH->RecHitsAddress(i);
+ fRec=pRICH->RecHitsAddress(i);
int ndig=fRec->GetEntriesFast();
printf ("Chamber %d, rings %d\n",i,ndig);
}
//printf("Number of rec. hits: %d",ndig);
- RICH->ResetRecHits();
+ pRICH->ResetRecHits();
//char hname[30];
//sprintf(hname,"TreeR%d",track);
//gAlice->TreeR()->Write(hname);
}
-Float_t AliRICHDetect:: Area(Float_t theta,Float_t OMEGA)
+Float_t AliRICHDetect:: Area(Float_t theta,Float_t omega)
{
//
Float_t area;
- const Float_t h=9.25; //Distance from Radiator to Pads in pads
+ const Float_t kHeight=9.25; //Distance from Radiator to Pads in pads
- area=TMath::Pi()*pow(h*tan(OMEGA),2)/pow(pow(cos(theta),2)-pow(tan(OMEGA)*sin(theta),2),3/2);
+ area=TMath::Pi()*pow(kHeight*tan(omega),2)/pow(pow(cos(theta),2)-pow(tan(omega)*sin(theta),2),3/2);
return (area);
}
return t;
}*/
-/*void Pointpp(Float_t alfa,Float_t theta,Float_t OMEGA,Float_t cx,Float_t cy)
+/*void pointpp(Float_t alfa,Float_t theta,Float_t omega,Float_t cx,Float_t cy)
{
Int_t s;
- Float_t fiducial=h*tan((OMEGA+theta)*Pii/180),l=h/cos(theta*Pii/180),xtrial,y,c0,c1,c2;
+ Float_t fiducial=h*tan((omega+theta)*kPi/180),l=h/cos(theta*kPi/180),xtrial,y,c0,c1,c2;
//cout<<"fiducial="<<fiducial<<endl;
if(aleat(1)>.5) s=1; else s=-1;
//Trial a y
y=s*aleat(fiducial);
- Float_t alfa1=alfa*Pii/180;
- Float_t theta1=theta*Pii/180;
- Float_t OMEGA1=OMEGA*Pii/180;
+ Float_t alfa1=alfa*kPi/180;
+ Float_t theta1=theta*kPi/180;
+ Float_t omega1=omega*kPi/180;
//Solve the eq for a trial x
- c0=-pow(y*cos(alfa1)*cos(theta1),2)-pow(y*sin(alfa1),2)+pow(l*tan(OMEGA1),2)+2*l*y*cos(alfa1)*sin(theta1)*pow(tan(OMEGA1),2)+pow(y*cos(alfa1)*sin(theta1)*tan(OMEGA1),2);
- c1=2*y*cos(alfa1)*sin(alfa1)-2*y*cos(alfa1)*pow(cos(theta1),2)*sin(alfa1)+2*l*sin(alfa1)*sin(theta1)*pow(tan(OMEGA1),2)+2*y*cos(alfa1)*sin(alfa1)*pow(sin(theta1),2)*pow(tan(OMEGA1),2);
- c2=-pow(cos(alfa1),2)-pow(cos(theta1)*sin(alfa1),2)+pow(sin(alfa1)*sin(theta1)*tan(OMEGA1),2);
+ c0=-pow(y*cos(alfa1)*cos(theta1),2)-pow(y*sin(alfa1),2)+pow(l*tan(omega1),2)+2*l*y*cos(alfa1)*sin(theta1)*pow(tan(omega1),2)+pow(y*cos(alfa1)*sin(theta1)*tan(omega1),2);
+ c1=2*y*cos(alfa1)*sin(alfa1)-2*y*cos(alfa1)*pow(cos(theta1),2)*sin(alfa1)+2*l*sin(alfa1)*sin(theta1)*pow(tan(omega1),2)+2*y*cos(alfa1)*sin(alfa1)*pow(sin(theta1),2)*pow(tan(omega1),2);
+ c2=-pow(cos(alfa1),2)-pow(cos(theta1)*sin(alfa1),2)+pow(sin(alfa1)*sin(theta1)*tan(omega1),2);
//cout<<"Trial: y="<<y<<"c0="<<c0<<" c1="<<c1<<" c2="<<c2<<endl;
}
//Choose which side to go...
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff