#include "AliConst.h"
#include "AliPDG.h"
#include "AliRICHGeometry.h"
-#include "AliRICHHit.h"
#include "AliRICHResponse.h"
#include "AliRICHResponseV0.h"
#include "AliRICHSegmentationV1.h"
//______________________________________________________________________________
AliRICHv1::AliRICHv1(const char *name, const char *title)
:AliRICH(name,title)
-{
-
-// Full version of RICH with hits and diagnostics
-
- // Version 0
-// Default Segmentation, no hits
- AliRICHSegmentationV1* segmentation = new AliRICHSegmentationV1;
-//
-// Segmentation parameters
- segmentation->SetPadSize(0.84,0.80);
- segmentation->SetDAnod(0.84/2);
-//
-// Geometry parameters
- AliRICHGeometry* geometry = new AliRICHGeometry;
- geometry->SetGapThickness(8);
- geometry->SetProximityGapThickness(.4);
- geometry->SetQuartzLength(133);
- geometry->SetQuartzWidth(127.9);
- geometry->SetQuartzThickness(.5);
- geometry->SetOuterFreonLength(133);
- geometry->SetOuterFreonWidth(41.3);
- geometry->SetInnerFreonLength(133);
- geometry->SetInnerFreonWidth(41.3);
- geometry->SetFreonThickness(1.5);
-//
-// Response parameters
- AliRICHResponseV0* response = new AliRICHResponseV0;
- response->SetSigmaIntegration(5.);
- response->SetChargeSlope(27.);
- response->SetChargeSpread(0.18, 0.18);
- response->SetMaxAdc(4096);
- response->SetAlphaFeedback(0.036);
- response->SetEIonisation(26.e-9);
- response->SetSqrtKx3(0.77459667);
- response->SetKx2(0.962);
- response->SetKx4(0.379);
- response->SetSqrtKy3(0.77459667);
- response->SetKy2(0.962);
- response->SetKy4(0.379);
- response->SetPitch(0.25);
- response->SetWireSag(1); // 1->On, 0->Off
- response->SetVoltage(2150); // Should only be 2000, 2050, 2100 or 2150
-
-//
-// AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH");
-
- fCkovNumber=0;
- fFreonProd=0;
- Int_t i=0;
-
- fChambers = new TObjArray(kNCH);
- for (i=0; i<kNCH; i++) {
-
- //PH (*fChambers)[i] = new AliRICHChamber();
- fChambers->AddAt(new AliRICHChamber(), i);
-
- }
-
- for (i=0; i<kNCH; i++) {
- SetGeometryModel(i,geometry);
- SetSegmentationModel(i, segmentation);
- SetResponseModel(i, response);
- }
-
-
-}
-
+{// Full version of RICH with hits and diagnostics
+ if(GetDebug())Info("named ctor","Start.");
+ if(GetDebug())Info("named ctor","Stop.");
+}//named ctor
+//______________________________________________________________________________
void AliRICHv1::Init()
-{
-
- if(fDebug) {
- printf("%s: *********************************** RICH_INIT ***********************************\n",ClassName());
- printf("%s: * *\n",ClassName());
- printf("%s: * AliRICHv1 Full version started *\n",ClassName());
- printf("%s: * *\n",ClassName());
- }
-
-
- AliSegmentation* segmentation;
- AliRICHGeometry* geometry;
- AliRICHResponse* response;
-
-
- //
- // Initialize Tracking Chambers
- //
- for (Int_t i=0; i<kNCH; i++) {
- //printf ("i:%d",i);
- //PH ( (AliRICHChamber*) (*fChambers)[i])->Init(i);
- ( (AliRICHChamber*)fChambers->At(i))->Init(i);
- }
-
- //
- // Set the chamber (sensitive region) GEANT identifier
-
- //PH ((AliRICHChamber*)(*fChambers)[0])->SetGid(1);
- //PH ((AliRICHChamber*)(*fChambers)[1])->SetGid(2);
- //PH ((AliRICHChamber*)(*fChambers)[2])->SetGid(3);
- //PH ((AliRICHChamber*)(*fChambers)[3])->SetGid(4);
- //PH ((AliRICHChamber*)(*fChambers)[4])->SetGid(5);
- //PH ((AliRICHChamber*)(*fChambers)[5])->SetGid(6);
- //PH ((AliRICHChamber*)(*fChambers)[6])->SetGid(7);
-
- ((AliRICHChamber*)fChambers->At(0))->SetGid(1);
- ((AliRICHChamber*)fChambers->At(1))->SetGid(2);
- ((AliRICHChamber*)fChambers->At(2))->SetGid(3);
- ((AliRICHChamber*)fChambers->At(3))->SetGid(4);
- ((AliRICHChamber*)fChambers->At(4))->SetGid(5);
- ((AliRICHChamber*)fChambers->At(5))->SetGid(6);
- ((AliRICHChamber*)fChambers->At(6))->SetGid(7);
-
-
- segmentation=Chamber(0).GetSegmentationModel(0);
- geometry=Chamber(0).GetGeometryModel();
- response=Chamber(0).GetResponseModel();
-
- Float_t offset = 490 + 1.276 - geometry->GetGapThickness()/2; //distance from center of mother volume to methane
- Float_t deltaphi = 19.5; //phi angle between center of chambers - z direction
- Float_t deltatheta = 20; //theta angle between center of chambers - x direction
- Float_t cosphi = TMath::Cos(deltaphi*TMath::Pi()/180);
- Float_t sinphi = TMath::Sin(deltaphi*TMath::Pi()/180);
- Float_t costheta = TMath::Cos(deltatheta*TMath::Pi()/180);
- Float_t sintheta = TMath::Sin(deltatheta*TMath::Pi()/180);
-
- Float_t pos1[3]={0. , offset*cosphi , offset*sinphi};
- Float_t pos2[3]={offset*sintheta , offset*costheta , 0. };
- Float_t pos3[3]={0. , offset , 0.};
- Float_t pos4[3]={-offset*sintheta , offset*costheta , 0.};
- Float_t pos5[3]={offset*sinphi , offset*costheta*cosphi, -offset*sinphi};
- Float_t pos6[3]={0. , offset*cosphi , -offset*sinphi};
- Float_t pos7[3]={ -offset*sinphi , offset*costheta*cosphi, -offset*sinphi};
-
- Chamber(0).SetChamberTransform(pos1[0],pos1[1],pos1[2],new TRotMatrix("rot993","rot993",90., 0. , 90. - deltaphi, 90. , deltaphi, -90. ));
- Chamber(1).SetChamberTransform(pos2[0],pos2[1],pos2[2],new TRotMatrix("rot994","rot994",90., -deltatheta , 90. , 90.- deltatheta , 0. , 0. ));
- Chamber(2).SetChamberTransform(pos3[0],pos3[1],pos3[2],new TRotMatrix("rot995","rot995",90., 0. , 90. , 90. , 0. , 0. ));
- Chamber(3).SetChamberTransform(pos4[0],pos4[1],pos4[2],new TRotMatrix("rot996","rot996",90., deltatheta , 90. , 90 + deltatheta , 0. , 0. ));
- Chamber(4).SetChamberTransform(pos5[0],pos5[1],pos5[2],new TRotMatrix("rot997","rot997",90., 360. - deltatheta, 108.2 , 90.- deltatheta ,18.2 , 90 - deltatheta));
- Chamber(5).SetChamberTransform(pos6[0],pos6[1],pos6[2],new TRotMatrix("rot998","rot998",90., 0. , 90 + deltaphi , 90. , deltaphi, 90. ));
- Chamber(6).SetChamberTransform(pos7[0],pos7[1],pos7[2],new TRotMatrix("rot999","rot999",90., deltatheta , 108.2 , 90.+ deltatheta ,18.2 , 90 + deltatheta));
-
- if(GetDebug()) {
- printf("%s: * Pads : %3dx%3d *\n",
- ClassName(),segmentation->Npx(),segmentation->Npy());
- printf("%s: * Pad size : %5.2f x%5.2f mm2 *\n",
- ClassName(),segmentation->Dpx(),segmentation->Dpy());
- printf("%s: * Gap Thickness : %5.1f cm *\n",
- ClassName(),geometry->GetGapThickness());
- printf("%s: * Radiator Width : %5.1f cm *\n",
- ClassName(),geometry->GetQuartzWidth());
- printf("%s: * Radiator Length : %5.1f cm *\n",
- ClassName(),geometry->GetQuartzLength());
- printf("%s: * Freon Thickness : %5.1f cm *\n",
- ClassName(),geometry->GetFreonThickness());
- printf("%s: * Charge Slope : %5.1f ADC *\n",
- ClassName(),response->ChargeSlope());
- printf("%s: * Feedback Prob. : %5.2f %% *\n",
- ClassName(),response->AlphaFeedback()*100);
- printf("%s: * *\n",
- ClassName());
- printf("%s: *********************************************************************************\n",
- ClassName());
- }
-}
-
+{//nothing to do here, all the work in ctor or CreateGeometry()
+ if(GetDebug())Info("Init","Start.");
+ if(GetDebug())Info("Init","Stop.");
+}//void AliRICHv1::Init()
//______________________________________________________________________________
void AliRICHv1::StepManager()
{//Full Step Manager
Float_t theta,phi;
Float_t destep, step;
Double_t ranf[2];
- Int_t nPads;
+ Int_t nPads=-1;
Float_t coscerenkov;
static Float_t eloss, xhit, yhit, tlength;
const Float_t kBig=1.e10;
TClonesArray &lhits = *fHits;
TParticle *current = (TParticle*)(*gAlice->Particles())[gAlice->GetCurrentTrackNumber()];
- //if (current->Energy()>1)
- //{
-
- // Only gas gap inside chamber
- // Tag chambers and record hits when track enters
id=gMC->CurrentVolID(copy);
idvol = copy-1;
Float_t cherenkovLoss=0;
- //gAlice->KeepTrack(gAlice->GetCurrentTrackNumber());
gMC->TrackPosition(position);
pos[0]=position(0);
pos[1]=position(1);
pos[2]=position(2);
- //bzero((char *)ckovData,sizeof(ckovData)*19);
ckovData[1] = pos[0]; // X-position for hit
ckovData[2] = pos[1]; // Y-position for hit
ckovData[3] = pos[2]; // Z-position for hit
ckovData[6] = 0; // dummy track length
- //ckovData[11] = gAlice->GetCurrentTrackNumber();
-
- //printf("\n+++++++++++\nTrack: %d\n++++++++++++\n",gAlice->GetCurrentTrackNumber());
-
- //AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH");
/********************Store production parameters for Cerenkov photons************************/
-//is it a Cerenkov photon?
- if (gMC->TrackPid() == 50000050) {
+
+ if (gMC->TrackPid() == 50000050) { //is it a Cerenkov photon?
//if (gMC->VolId("GAP ")==gMC->CurrentVolID(copy))
//{
//printf("I'm in!\n");
Int_t mother = current->GetFirstMother();
- //printf("Second Mother:%d\n",current->GetSecondMother());
ckovData[10] = mother;
ckovData[11] = gAlice->GetCurrentTrackNumber();
//printf("Produced in FREO\n");
fCkovNumber++;
fFreonProd=1;
- //printf("Index: %d\n",fCkovNumber);
} //first step question
} //freo question
if (gMC->VolId("QUAR")==gMC->CurrentVolID(copy)) //is it in quarz?
{
ckovData[12] = 2;
- //printf("Produced in QUAR\n");
} //quarz question
} //first step question
- //printf("Before %d\n",fFreonProd);
} //track entering question
if (ckovData[12] == 1) //was it produced in Freon?
//if (fFreonProd == 1)
{
if (gMC->IsTrackEntering()){ //is track entering?
- //printf("Track entered (2)\n");
- //printf("Current volume (should be META): %s\n",gMC->CurrentVolName());
- //printf("VolId: %d, CurrentVolID: %d\n",gMC->VolId("META"),gMC->CurrentVolID(copy));
if (gMC->VolId("META")==gMC->CurrentVolID(copy)) //is it in gap?
{
//printf("Got in META\n");
gMC->StopTrack();
ckovData[13] = 5;
AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData);
- //printf("Added One (1)!\n");
- //printf("Lost one in grid\n");
}
/**********************************************************************************/
} //gap
- //printf("Current volume (should be CSI) (1): %s\n",gMC->CurrentVolName());
- //printf("VolId: %d, CurrentVolID: %d\n",gMC->VolId("CSI "),gMC->CurrentVolID(copy));
if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy)) //is it in csi?
{
//printf("Got in CSI\n");
ckovData[13]=1;
if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR"))
ckovData[13]=2;
- //gMC->StopTrack();
- //AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData);
} //reflection question
// Absorption loss
}
gMC->StopTrack();
AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData);
- //printf("Added One (3)!\n");
- //printf("Added cerenkov %d\n",fCkovNumber);
} //absorption question
ckovData[13]=21;
gMC->StopTrack();
AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData);
- //printf("Added One (4)!\n");
} // energy treshold question
} //number of mechanisms cycle
/**********************End of evaluation************************/
} //freon production question
} //energy interval question
- //}//inside the proximity gap question
} //cerenkov photon question
/**************************************End of Production Parameters Storing*********************/
/*******************************Treat photons that hit the CsI (Ckovs and Feedbacks)************/
if (gMC->TrackPid() == 50000050 || gMC->TrackPid() == 50000051) {
- //printf("Cerenkov\n");
-
- //if (gMC->TrackPid() == 50000051)
- //printf("Tracking a feedback\n");
if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy))
{
- //printf("Current volume (should be CSI) (2): %s\n",gMC->CurrentVolName());
- //printf("VolId: %d, CurrentVolID: %d\n",gMC->VolId("CSI "),gMC->CurrentVolID(copy));
- //printf("Got in CSI\n");
- //printf("Tracking a %d\n",gMC->TrackPid());
if (gMC->Edep() > 0.){
gMC->TrackPosition(position);
gMC->TrackMomentum(momentum);
gMC->Gmtod(pos,localPos,1);
- //Chamber(idvol).GlobaltoLocal(pos,localPos);
gMC->Gmtod(mom,localMom,2);
- //Chamber(idvol).GlobaltoLocal(mom,localMom);
gMC->CurrentVolOffID(2,copy);
vol[0]=copy;
idvol=vol[0]-1;
- //Int_t sector=((AliRICHChamber*) (*fChambers)[idvol])
- //->Sector(localPos[0], localPos[2]);
- //printf("Sector:%d\n",sector);
-
- /*if (gMC->TrackPid() == 50000051){
- fFeedbacks++;
- printf("Feedbacks:%d\n",fFeedbacks);
- }*/
- //PH ((AliRICHChamber*) (*fChambers)[idvol])
((AliRICHChamber*)fChambers->At(idvol))
->SigGenInit(localPos[0], localPos[2], localPos[1]);
if(idvol<kNCH) {
ckovData[3] = pos[2]; // Z-position for hit
ckovData[4] = theta; // theta angle of incidence
ckovData[5] = phi; // phi angle of incidence
- ckovData[8] = (Float_t) fNSDigits; // first sdigit
+ ckovData[8] = (Float_t) fNsdigits; // first sdigit
ckovData[9] = -1; // last pad hit
ckovData[13] = 4; // photon was detected
ckovData[14] = mom[0];
//nPads = Hits2SDigits(localPos[0],localPos[2],cherenkovLoss,idvol,kCerenkov);//for photons in CsI kir
- if (fNSDigits > (Int_t)ckovData[8]) {
+ if (fNsdigits > (Int_t)ckovData[8]) {
ckovData[8]= ckovData[8]+1;
- ckovData[9]= (Float_t) fNSDigits;
+ ckovData[9]= (Float_t) fNsdigits;
}
- //printf("Cerenkov loss: %f\n", cherenkovLoss);
ckovData[17] = nPads;
- //printf("nPads:%d",nPads);
-
- //TClonesArray *Hits = RICH->Hits();
- AliRICHHit *mipHit = (AliRICHHit*) (fHits->UncheckedAt(0));
+ AliRICHhit *mipHit = (AliRICHhit*) (fHits->UncheckedAt(0));
if (mipHit)
{
mom[0] = current->Px();
/**********************************************Charged particles treatment*************************************/
- else if (gMC->TrackCharge())
- //else if (1 == 1)
- {
-//If MIP
- /*if (gMC->IsTrackEntering())
- {
- hits[13]=20;//is track entering?
- }*/
+ else if (gMC->TrackCharge()){//is MIP?
if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
{
gMC->TrackMomentum(momentum);
fFreonProd=1;
}
- if (gMC->VolId("GAP ")== gMC->CurrentVolID(copy)) {
+ if(gMC->VolId("GAP ")==gMC->CurrentVolID(copy)) {//is in GAP?
// Get current particle id (ipart), track position (pos) and momentum (mom)
gMC->CurrentVolOffID(3,copy);
vol[0]=copy;
idvol=vol[0]-1;
-
- //Int_t sector=((AliRICHChamber*) (*fChambers)[idvol])
- //->Sector(localPos[0], localPos[2]);
- //printf("Sector:%d\n",sector);
-
gMC->TrackPosition(position);
gMC->TrackMomentum(momentum);
pos[0]=position(0);
mom[3]=momentum(3);
gMC->Gmtod(pos,localPos,1);
-
- //Chamber(idvol).GlobaltoLocal(pos,localPos);
-
gMC->Gmtod(mom,localMom,2);
-
- //Chamber(idvol).GlobaltoLocal(mom,localMom);
-
ipart = gMC->TrackPid();
- //
- // momentum loss and steplength in last step
- destep = gMC->Edep();
- step = gMC->TrackStep();
-
- //
- // record hits when track enters ...
- if( gMC->IsTrackEntering()) {
-// gMC->SetMaxStep(fMaxStepGas);
+ destep = gMC->Edep();step = gMC->TrackStep();// momentum loss and steplength in last step
+ if(gMC->IsTrackEntering()){ // record hits when track enters ...
+
Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
Double_t rt = TMath::Sqrt(tc);
theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
hits[3] = localPos[2]; // Z-position for hit
hits[4] = localTheta; // theta angle of incidence
hits[5] = localPhi; // phi angle of incidence
- hits[8] = (Float_t) fNSDigits; // first sdigit
+ hits[8] = (Float_t) fNsdigits; // first sdigit
hits[9] = -1; // last pad hit
hits[13] = fFreonProd; // did id hit the freon?
hits[14] = mom[0];
yhit = localPos[2];
// Only if not trigger chamber
if(idvol<kNCH) {
- //
// Initialize hit position (cursor) in the segmentation model
- //PH ((AliRICHChamber*) (*fChambers)[idvol])
((AliRICHChamber*)fChambers->At(idvol))
->SigGenInit(localPos[0], localPos[2], localPos[1]);
}
}
- //
// Calculate the charge induced on a pad (disintegration) in case
- //
// Mip left chamber ...
if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
gMC->SetMaxStep(kBig);
printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n");
//nPads = Hits2SDigits(xhit,yhit,eloss,idvol,kMip); //for MIP kir
hits[17] = nPads;
- //printf("nPads:%d",nPads);
}
}
hits[6]=tlength;
hits[7]=eloss;
- if (fNSDigits > (Int_t)hits[8]) {
+ if (fNsdigits > (Int_t)hits[8]) {
hits[8]= hits[8]+1;
- hits[9]= (Float_t) fNSDigits;
+ hits[9]= (Float_t) fNsdigits;
}
- //if(sector !=-1)
- new(lhits[fNhits++]) AliRICHHit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits);
+ new(lhits[fNhits++]) AliRICHhit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits);
eloss = 0;
- //
// Check additional signal generation conditions
// defined by the segmentation
// model (boundary crossing conditions)
} else if
- //PH (((AliRICHChamber*) (*fChambers)[idvol])
(((AliRICHChamber*)fChambers->At(idvol))
->SigGenCond(localPos[0], localPos[2], localPos[1]))
{
- //PH ((AliRICHChamber*) (*fChambers)[idvol])
((AliRICHChamber*)fChambers->At(idvol))
->SigGenInit(localPos[0], localPos[2], localPos[1]);
if (eloss > 0)
eloss += destep;
tlength += step ;
}
- }
- }
- /*************************************************End of MIP treatment**************************************/
+ }//is in GAP?
+ }//is MIP?
}//void AliRICHv1::StepManager()
-
-
-
-
-
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff