/*
$Log$
+ Revision 1.24 2000/10/02 15:43:17 jbarbosa
+ Fixed forward declarations.
+ Fixed honeycomb density.
+ Fixed cerenkov storing.
+ New electronics.
+
+ Revision 1.23 2000/09/13 10:42:14 hristov
+ Minor corrections for HP, DEC and Sun; strings.h included
+
+ Revision 1.22 2000/09/12 18:11:13 fca
+ zero hits area before using
+
+ Revision 1.21 2000/07/21 10:21:07 morsch
+ fNrawch = 0; and fNrechits = 0; in the default constructor.
+
+ Revision 1.20 2000/07/10 15:28:39 fca
+ Correction of the inheritance scheme
+
+ Revision 1.19 2000/06/30 16:29:51 dibari
+ Added kDebugLevel variable to control output size on demand
+
+ Revision 1.18 2000/06/12 15:15:46 jbarbosa
+ Cleaned up version.
+
+ Revision 1.17 2000/06/09 14:58:37 jbarbosa
+ New digitisation per particle type
+
+ Revision 1.16 2000/04/19 12:55:43 morsch
+ Newly structured and updated version (JB, AM)
+
*/
#include <TVector.h>
#include <TObjArray.h>
#include <TArrayF.h>
+#include <TFile.h>
+#include <TParticle.h>
+#include <TGeometry.h>
+#include <TTree.h>
+
+#include <iostream.h>
+#include <strings.h>
#include "AliRICH.h"
-#include "AliRICHHitMap.h"
+#include "AliRICHSegmentation.h"
+#include "AliRICHHit.h"
+#include "AliRICHCerenkov.h"
+#include "AliRICHPadHit.h"
+#include "AliRICHDigit.h"
+#include "AliRICHTransientDigit.h"
+#include "AliRICHRawCluster.h"
+#include "AliRICHRecHit.h"
+#include "AliRICHHitMapA1.h"
#include "AliRICHClusterFinder.h"
#include "AliRun.h"
#include "AliMC.h"
+#include "AliMagF.h"
+#include "AliConst.h"
+#include "AliPDG.h"
#include "AliPoints.h"
-#include "iostream.h"
#include "AliCallf77.h"
-#include "TParticle.h"
+#include "TGeant3.h"
+
// Static variables for the pad-hit iterator routines
static Int_t sMaxIterPad=0;
//___________________________________________
AliRICH::AliRICH()
{
+// Default constructor for RICH manager class
+
fIshunt = 0;
fHits = 0;
fPadHits = 0;
fNcerenkovs = 0;
fDchambers = 0;
fCerenkovs = 0;
- fNdch = 0;
+ for (Int_t i=0; i<7; i++)
+ {
+ fNdch[i] = 0;
+ fNrawch[i] = 0;
+ fNrechits[i] = 0;
+ }
}
//___________________________________________
fNcerenkovs = 0;
fIshunt = 0;
- fNdch = new Int_t[7];
+ //fNdch = new Int_t[kNCH];
- fDchambers = new TObjArray(7);
+ fDchambers = new TObjArray(kNCH);
- fRecHits = new TObjArray(7);
+ fRecHits = new TObjArray(kNCH);
Int_t i;
- for (i=0; i<7 ;i++) {
+ for (i=0; i<kNCH ;i++) {
(*fDchambers)[i] = new TClonesArray("AliRICHDigit",10000);
fNdch[i]=0;
}
- fNrawch = new Int_t[7];
+ //fNrawch = new Int_t[kNCH];
- fRawClusters = new TObjArray(7);
- printf("Created fRwClusters with adress:%p",fRawClusters);
+ fRawClusters = new TObjArray(kNCH);
+ //printf("Created fRwClusters with adress:%p",fRawClusters);
- for (i=0; i<7 ;i++) {
+ for (i=0; i<kNCH ;i++) {
(*fRawClusters)[i] = new TClonesArray("AliRICHRawCluster",10000);
fNrawch[i]=0;
}
- fNrechits = new Int_t[7];
+ //fNrechits = new Int_t[kNCH];
- for (i=0; i<7 ;i++) {
+ for (i=0; i<kNCH ;i++) {
(*fRecHits)[i] = new TClonesArray("AliRICHRecHit",1000);
}
- printf("Created fRecHits with adress:%p",fRecHits);
+ //printf("Created fRecHits with adress:%p",fRecHits);
SetMarkerColor(kRed);
}
+AliRICH::AliRICH(const AliRICH& RICH)
+{
+// Copy Constructor
+}
+
+
//___________________________________________
AliRICH::~AliRICH()
{
+
+// Destructor of RICH manager class
+
fIshunt = 0;
delete fHits;
delete fPadHits;
//___________________________________________
void AliRICH::AddHit(Int_t track, Int_t *vol, Float_t *hits)
{
+
+//
+// Adds a hit to the Hits list
+//
+
TClonesArray &lhits = *fHits;
new(lhits[fNhits++]) AliRICHHit(fIshunt,track,vol,hits);
}
//_____________________________________________________________________________
void AliRICH::AddCerenkov(Int_t track, Int_t *vol, Float_t *cerenkovs)
{
+
+//
+// Adds a RICH cerenkov hit to the Cerenkov Hits list
+//
+
TClonesArray &lcerenkovs = *fCerenkovs;
new(lcerenkovs[fNcerenkovs++]) AliRICHCerenkov(fIshunt,track,vol,cerenkovs);
//printf ("Done for Cerenkov %d\n\n\n\n",fNcerenkovs);
//___________________________________________
void AliRICH::AddPadHit(Int_t *clhits)
{
+
+//
+// Add a RICH pad hit to the list
+//
+
TClonesArray &lPadHits = *fPadHits;
new(lPadHits[fNPadHits++]) AliRICHPadHit(clhits);
-}
+}
//_____________________________________________________________________________
void AliRICH::AddDigits(Int_t id, Int_t *tracks, Int_t *charges, Int_t *digits)
{
- //
- // Add a RICH digit to the list
- //
+
+ //
+ // Add a RICH digit to the list
+ //
TClonesArray &ldigits = *((TClonesArray*)(*fDchambers)[id]);
new(ldigits[fNdch[id]++]) AliRICHDigit(tracks,charges,digits);
}
//_____________________________________________________________________________
-void AliRICH::AddRecHit(Int_t id, Float_t *rechit)
+void AliRICH::AddRecHit(Int_t id, Float_t *rechit, Float_t *photons, Int_t *padsx, Int_t* padsy)
{
- //
- // Add a RICH reconstructed hit to the list
- //
+
+ //
+ // Add a RICH reconstructed hit to the list
+ //
TClonesArray &lrec = *((TClonesArray*)(*fRecHits)[id]);
- new(lrec[fNrechits[id]++]) AliRICHRecHit(id,rechit);
+ new(lrec[fNrechits[id]++]) AliRICHRecHit(id,rechit,photons,padsx,padsy);
}
//___________________________________________
void AliRICH::BuildGeometry()
{
- //
- // Builds a TNode geometry for event display
- //
- TNode *Node, *Top;
+
+ //
+ // Builds a TNode geometry for event display
+ //
+ TNode *node, *top;
const int kColorRICH = kGreen;
//
- Top=gAlice->GetGeometry()->GetNode("alice");
+ top=gAlice->GetGeometry()->GetNode("alice");
new TBRIK("S_RICH","S_RICH","void",71.09999,11.5,73.15);
- Top->cd();
+ top->cd();
Float_t pos1[3]={0,471.8999,165.2599};
//Chamber(0).SetChamberTransform(pos1[0],pos1[1],pos1[2],
new TRotMatrix("rot993","rot993",90,0,70.69,90,19.30999,-90);
- Node = new TNode("RICH1","RICH1","S_RICH",pos1[0],pos1[1],pos1[2],"rot993");
+ node = new TNode("RICH1","RICH1","S_RICH",pos1[0],pos1[1],pos1[2],"rot993");
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
+ node->SetLineColor(kColorRICH);
+ fNodes->Add(node);
+ top->cd();
Float_t pos2[3]={171,470,0};
//Chamber(1).SetChamberTransform(pos2[0],pos2[1],pos2[2],
new TRotMatrix("rot994","rot994",90,-20,90,70,0,0);
- Node = new TNode("RICH2","RICH2","S_RICH",pos2[0],pos2[1],pos2[2],"rot994");
+ node = new TNode("RICH2","RICH2","S_RICH",pos2[0],pos2[1],pos2[2],"rot994");
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
+ node->SetLineColor(kColorRICH);
+ fNodes->Add(node);
+ top->cd();
Float_t pos3[3]={0,500,0};
//Chamber(2).SetChamberTransform(pos3[0],pos3[1],pos3[2],
new TRotMatrix("rot995","rot995",90,0,90,90,0,0);
- Node = new TNode("RICH3","RICH3","S_RICH",pos3[0],pos3[1],pos3[2],"rot995");
+ node = new TNode("RICH3","RICH3","S_RICH",pos3[0],pos3[1],pos3[2],"rot995");
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
+ node->SetLineColor(kColorRICH);
+ fNodes->Add(node);
+ top->cd();
Float_t pos4[3]={-171,470,0};
//Chamber(3).SetChamberTransform(pos4[0],pos4[1],pos4[2],
new TRotMatrix("rot996","rot996",90,20,90,110,0,0);
- Node = new TNode("RICH4","RICH4","S_RICH",pos4[0],pos4[1],pos4[2],"rot996");
+ node = new TNode("RICH4","RICH4","S_RICH",pos4[0],pos4[1],pos4[2],"rot996");
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
+ node->SetLineColor(kColorRICH);
+ fNodes->Add(node);
+ top->cd();
Float_t pos5[3]={161.3999,443.3999,-165.3};
//Chamber(4).SetChamberTransform(pos5[0],pos5[1],pos5[2],
new TRotMatrix("rot997","rot997",90,340,108.1999,70,18.2,70);
- Node = new TNode("RICH5","RICH5","S_RICH",pos5[0],pos5[1],pos5[2],"rot997");
+ node = new TNode("RICH5","RICH5","S_RICH",pos5[0],pos5[1],pos5[2],"rot997");
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
+ node->SetLineColor(kColorRICH);
+ fNodes->Add(node);
+ top->cd();
Float_t pos6[3]={0., 471.9, -165.3,};
//Chamber(5).SetChamberTransform(pos6[0],pos6[1],pos6[2],
new TRotMatrix("rot998","rot998",90,0,109.3099,90,19.30999,90);
- Node = new TNode("RICH6","RICH6","S_RICH",pos6[0],pos6[1],pos6[2],"rot998");
+ node = new TNode("RICH6","RICH6","S_RICH",pos6[0],pos6[1],pos6[2],"rot998");
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
+ node->SetLineColor(kColorRICH);
+ fNodes->Add(node);
+ top->cd();
Float_t pos7[3]={-161.399,443.3999,-165.3};
//Chamber(6).SetChamberTransform(pos7[0],pos7[1],pos7[2],
new TRotMatrix("rot999","rot999",90,20,108.1999,110,18.2,110);
- Node = new TNode("RICH7","RICH7","S_RICH",pos7[0],pos7[1],pos7[2],"rot999");
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
+ node = new TNode("RICH7","RICH7","S_RICH",pos7[0],pos7[1],pos7[2],"rot999");
+ node->SetLineColor(kColorRICH);
+ fNodes->Add(node);
+
+}
+
+//___________________________________________
+void AliRICH::CreateGeometry()
+{
+ //
+ // Create the geometry for RICH version 1
+ //
+ // Modified by: N. Colonna (INFN - BARI, Nicola.Colonna@ba.infn.it)
+ // R.A. Fini (INFN - BARI, Rosanna.Fini@ba.infn.it)
+ // R.A. Loconsole (Bari University, loco@riscom.ba.infn.it)
+ //
+ //Begin_Html
+ /*
+ <img src="picts/AliRICHv1.gif">
+ */
+ //End_Html
+ //Begin_Html
+ /*
+ <img src="picts/AliRICHv1Tree.gif">
+ */
+ //End_Html
+
+ AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH");
+ AliRICHSegmentation* segmentation;
+ AliRICHGeometry* geometry;
+ AliRICHChamber* iChamber;
+
+ iChamber = &(pRICH->Chamber(0));
+ segmentation=iChamber->GetSegmentationModel(0);
+ geometry=iChamber->GetGeometryModel();
+
+ Float_t distance;
+ distance = geometry->GetFreonThickness()/2 + geometry->GetQuartzThickness() + geometry->GetGapThickness();
+ geometry->SetRadiatorToPads(distance);
+
+
+ Int_t *idtmed = fIdtmed->GetArray()-999;
+
+ Int_t i;
+ Float_t zs;
+ Int_t idrotm[1099];
+ Float_t par[3];
+
+ // --- Define the RICH detector
+ // External aluminium box
+ par[0] = 71.1;
+ par[1] = 11.5; //Original Settings
+ par[2] = 73.15;
+ /*par[0] = 73.15;
+ par[1] = 11.5;
+ par[2] = 71.1;*/
+ gMC->Gsvolu("RICH", "BOX ", idtmed[1009], par, 3);
+
+ // Sensitive part of the whole RICH
+ par[0] = 64.8;
+ par[1] = 11.5; //Original Settings
+ par[2] = 66.55;
+ /*par[0] = 66.55;
+ par[1] = 11.5;
+ par[2] = 64.8;*/
+ gMC->Gsvolu("SRIC", "BOX ", idtmed[1000], par, 3);
+
+ // Honeycomb
+ par[0] = 63.1;
+ par[1] = .188; //Original Settings
+ par[2] = 66.55;
+ /*par[0] = 66.55;
+ par[1] = .188;
+ par[2] = 63.1;*/
+ gMC->Gsvolu("HONE", "BOX ", idtmed[1001], par, 3);
+
+ // Aluminium sheet
+ par[0] = 63.1;
+ par[1] = .025; //Original Settings
+ par[2] = 66.55;
+ /*par[0] = 66.5;
+ par[1] = .025;
+ par[2] = 63.1;*/
+ gMC->Gsvolu("ALUM", "BOX ", idtmed[1009], par, 3);
+
+ // Quartz
+ par[0] = geometry->GetQuartzWidth()/2;
+ par[1] = geometry->GetQuartzThickness()/2;
+ par[2] = geometry->GetQuartzLength()/2;
+ /*par[0] = 63.1;
+ par[1] = .25; //Original Settings
+ par[2] = 65.5;*/
+ /*par[0] = geometry->GetQuartzWidth()/2;
+ par[1] = geometry->GetQuartzThickness()/2;
+ par[2] = geometry->GetQuartzLength()/2;*/
+ //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f %f %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[0],par[1],par[2]);
+ gMC->Gsvolu("QUAR", "BOX ", idtmed[1002], par, 3);
+
+ // Spacers (cylinders)
+ par[0] = 0.;
+ par[1] = .5;
+ par[2] = geometry->GetFreonThickness()/2;
+ gMC->Gsvolu("SPAC", "TUBE", idtmed[1002], par, 3);
+
+ // Opaque quartz
+ par[0] = 61.95;
+ par[1] = .2; //Original Settings
+ par[2] = 66.5;
+ /*par[0] = 66.5;
+ par[1] = .2;
+ par[2] = 61.95;*/
+ gMC->Gsvolu("OQUA", "BOX ", idtmed[1007], par, 3);
+
+ // Frame of opaque quartz
+ par[0] = geometry->GetOuterFreonWidth()/2;
+ par[1] = geometry->GetFreonThickness()/2;
+ par[2] = geometry->GetOuterFreonLength()/2 + 1;
+ /*par[0] = 20.65;
+ par[1] = .5; //Original Settings
+ par[2] = 66.5;*/
+ /*par[0] = 66.5;
+ par[1] = .5;
+ par[2] = 20.65;*/
+ gMC->Gsvolu("OQF1", "BOX ", idtmed[1007], par, 3);
+
+ par[0] = geometry->GetInnerFreonWidth()/2;
+ par[1] = geometry->GetFreonThickness()/2;
+ par[2] = geometry->GetInnerFreonLength()/2 + 1;
+ gMC->Gsvolu("OQF2", "BOX ", idtmed[1007], par, 3);
+
+ // Little bar of opaque quartz
+ par[0] = .275;
+ par[1] = geometry->GetQuartzThickness()/2;
+ par[2] = geometry->GetInnerFreonLength()/2 - 2.4;
+ /*par[0] = .275;
+ par[1] = .25; //Original Settings
+ par[2] = 63.1;*/
+ /*par[0] = 63.1;
+ par[1] = .25;
+ par[2] = .275;*/
+ gMC->Gsvolu("BARR", "BOX ", idtmed[1007], par, 3);
+
+ // Freon
+ par[0] = geometry->GetOuterFreonWidth()/2;
+ par[1] = geometry->GetFreonThickness()/2;
+ par[2] = geometry->GetOuterFreonLength()/2;
+ /*par[0] = 20.15;
+ par[1] = .5; //Original Settings
+ par[2] = 65.5;*/
+ /*par[0] = 65.5;
+ par[1] = .5;
+ par[2] = 20.15;*/
+ gMC->Gsvolu("FRE1", "BOX ", idtmed[1003], par, 3);
+
+ par[0] = geometry->GetInnerFreonWidth()/2;
+ par[1] = geometry->GetFreonThickness()/2;
+ par[2] = geometry->GetInnerFreonLength()/2;
+ gMC->Gsvolu("FRE2", "BOX ", idtmed[1003], par, 3);
+
+ // Methane
+ par[0] = 64.8;
+ par[1] = geometry->GetGapThickness()/2;
+ //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[1]);
+ par[2] = 64.8;
+ gMC->Gsvolu("META", "BOX ", idtmed[1004], par, 3);
+
+ // Methane gap
+ par[0] = 64.8;
+ par[1] = geometry->GetProximityGapThickness()/2;
+ //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[1]);
+ par[2] = 64.8;
+ gMC->Gsvolu("GAP ", "BOX ", idtmed[1008], par, 3);
+
+ // CsI photocathode
+ par[0] = 64.8;
+ par[1] = .25;
+ par[2] = 64.8;
+ gMC->Gsvolu("CSI ", "BOX ", idtmed[1005], par, 3);
+
+ // Anode grid
+ par[0] = 0.;
+ par[1] = .001;
+ par[2] = 20.;
+ gMC->Gsvolu("GRID", "TUBE", idtmed[1006], par, 3);
+
+ // --- Places the detectors defined with GSVOLU
+ // Place material inside RICH
+ gMC->Gspos("SRIC", 1, "RICH", 0., 0., 0., 0, "ONLY");
+
+ gMC->Gspos("ALUM", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 -.05 - .376 -.025, 0., 0, "ONLY");
+ gMC->Gspos("HONE", 1, "SRIC", 0., 1.276- geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 -.05 - .188, 0., 0, "ONLY");
+ gMC->Gspos("ALUM", 2, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .025, 0., 0, "ONLY");
+ gMC->Gspos("OQUA", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .2, 0., 0, "ONLY");
+
+ AliMatrix(idrotm[1019], 0., 0., 90., 0., 90., 90.);
+
+ Int_t nspacers = (Int_t)(TMath::Abs(geometry->GetInnerFreonLength()/14.4));
+ //printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n Spacers:%d\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n",nspacers);
+
+ //printf("Nspacers: %d", nspacers);
+
+ //for (i = 1; i <= 9; ++i) {
+ //zs = (5 - i) * 14.4; //Original settings
+ for (i = 0; i < nspacers; i++) {
+ zs = (TMath::Abs(nspacers/2) - i) * 14.4;
+ gMC->Gspos("SPAC", i, "FRE1", 6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings
+ //gMC->Gspos("SPAC", i, "FRE1", zs, 0., 6.7, idrotm[1019], "ONLY");
+ }
+ //for (i = 10; i <= 18; ++i) {
+ //zs = (14 - i) * 14.4; //Original settings
+ for (i = nspacers; i < nspacers*2; ++i) {
+ zs = (nspacers + TMath::Abs(nspacers/2) - i) * 14.4;
+ gMC->Gspos("SPAC", i, "FRE1", -6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings
+ //gMC->Gspos("SPAC", i, "FRE1", zs, 0., -6.7, idrotm[1019], "ONLY");
+ }
+
+ //for (i = 1; i <= 9; ++i) {
+ //zs = (5 - i) * 14.4; //Original settings
+ for (i = 0; i < nspacers; i++) {
+ zs = (TMath::Abs(nspacers/2) - i) * 14.4;
+ gMC->Gspos("SPAC", i, "FRE2", 6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings
+ //gMC->Gspos("SPAC", i, "FRE2", zs, 0., 6.7, idrotm[1019], "ONLY");
+ }
+ //for (i = 10; i <= 18; ++i) {
+ //zs = (5 - i) * 14.4; //Original settings
+ for (i = nspacers; i < nspacers*2; ++i) {
+ zs = (nspacers + TMath::Abs(nspacers/2) - i) * 14.4;
+ gMC->Gspos("SPAC", i, "FRE2", -6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings
+ //gMC->Gspos("SPAC", i, "FRE2", zs, 0., -6.7, idrotm[1019], "ONLY");
+ }
+
+ /*gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("OQF1", 1, "SRIC", 31.3, -4.724, 41.3, 0, "ONLY");
+ gMC->Gspos("OQF2", 2, "SRIC", 0., -4.724, 0., 0, "ONLY");
+ gMC->Gspos("OQF1", 3, "SRIC", -31.3, -4.724, -41.3, 0, "ONLY");
+ gMC->Gspos("BARR", 1, "QUAR", -21.65, 0., 0., 0, "ONLY"); //Original settings
+ gMC->Gspos("BARR", 2, "QUAR", 21.65, 0., 0., 0, "ONLY"); //Original settings
+ gMC->Gspos("QUAR", 1, "SRIC", 0., -3.974, 0., 0, "ONLY");
+ gMC->Gspos("GAP ", 1, "META", 0., 4.8, 0., 0, "ONLY");
+ gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY");
+ gMC->Gspos("CSI ", 1, "SRIC", 0., 6.526, 0., 0, "ONLY");*/
+
+
+ gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("OQF1", 1, "SRIC", geometry->GetOuterFreonWidth()/2 + geometry->GetInnerFreonWidth()/2, 1.276 - geometry->GetGapThickness()/2- geometry->GetQuartzThickness() -geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings (31.3)
+ gMC->Gspos("OQF2", 2, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings
+ gMC->Gspos("OQF1", 3, "SRIC", - (geometry->GetOuterFreonWidth()/2 + geometry->GetInnerFreonWidth()/2), 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings (-31.3)
+ gMC->Gspos("BARR", 1, "QUAR", -21.65, 0., 0., 0, "ONLY"); //Original settings
+ gMC->Gspos("BARR", 2, "QUAR", 21.65, 0., 0., 0, "ONLY"); //Original settings
+ gMC->Gspos("QUAR", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness()/2, 0., 0, "ONLY");
+ gMC->Gspos("GAP ", 1, "META", 0., geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 - 0.0001, 0., 0, "ONLY");
+ gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY");
+ gMC->Gspos("CSI ", 1, "SRIC", 0., 1.276 + geometry->GetGapThickness()/2 + .25, 0., 0, "ONLY");
+
+ //printf("Position of the gap: %f to %f\n", 1.276 + geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 - .2, 1.276 + geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 + .2);
+
+ // Place RICH inside ALICE apparatus
+
+ AliMatrix(idrotm[1000], 90., 0., 70.69, 90., 19.31, -90.);
+ AliMatrix(idrotm[1001], 90., -20., 90., 70., 0., 0.);
+ AliMatrix(idrotm[1002], 90., 0., 90., 90., 0., 0.);
+ AliMatrix(idrotm[1003], 90., 20., 90., 110., 0., 0.);
+ AliMatrix(idrotm[1004], 90., 340., 108.2, 70., 18.2, 70.);
+ AliMatrix(idrotm[1005], 90., 0., 109.31, 90., 19.31, 90.);
+ AliMatrix(idrotm[1006], 90., 20., 108.2, 110., 18.2, 110.);
+
+ gMC->Gspos("RICH", 1, "ALIC", 0., 471.9, 165.26, idrotm[1000], "ONLY");
+ gMC->Gspos("RICH", 2, "ALIC", 171., 470., 0., idrotm[1001], "ONLY");
+ gMC->Gspos("RICH", 3, "ALIC", 0., 500., 0., idrotm[1002], "ONLY");
+ gMC->Gspos("RICH", 4, "ALIC", -171., 470., 0., idrotm[1003], "ONLY");
+ gMC->Gspos("RICH", 5, "ALIC", 161.4, 443.4, -165.3, idrotm[1004], "ONLY");
+ gMC->Gspos("RICH", 6, "ALIC", 0., 471.9, -165.3, idrotm[1005], "ONLY");
+ gMC->Gspos("RICH", 7, "ALIC", -161.4, 443.4, -165.3, idrotm[1006], "ONLY");
+
+}
+
+
+//___________________________________________
+void AliRICH::CreateMaterials()
+{
+ //
+ // *** DEFINITION OF AVAILABLE RICH MATERIALS ***
+ // ORIGIN : NICK VAN EIJNDHOVEN
+ // Modified by: N. Colonna (INFN - BARI, Nicola.Colonna@ba.infn.it)
+ // R.A. Fini (INFN - BARI, Rosanna.Fini@ba.infn.it)
+ // R.A. Loconsole (Bari University, loco@riscom.ba.infn.it)
+ //
+ Int_t isxfld = gAlice->Field()->Integ();
+ Float_t sxmgmx = gAlice->Field()->Max();
+ Int_t i;
+
+ /************************************Antonnelo's Values (14-vectors)*****************************************/
+ /*
+ Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,
+ 6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 };
+ Float_t rIndexQuarz[14] = { 1.528309,1.533333,
+ 1.538243,1.544223,1.550568,1.55777,
+ 1.565463,1.574765,1.584831,1.597027,
+ 1.611858,1.6277,1.6472,1.6724 };
+ Float_t rIndexOpaqueQuarz[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
+ Float_t rIndexMethane[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
+ Float_t rIndexGrid[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
+ Float_t abscoFreon[14] = { 179.0987,179.0987,
+ 179.0987,179.0987,179.0987,142.92,56.65,13.95,10.43,7.07,2.03,.5773,.33496,0. };
+ //Float_t abscoFreon[14] = { 1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,
+ // 1e-5,1e-5,1e-5,1e-5,1e-5 };
+ Float_t abscoQuarz[14] = { 64.035,39.98,35.665,31.262,27.527,22.815,21.04,17.52,
+ 14.177,9.282,4.0925,1.149,.3627,.10857 };
+ Float_t abscoOpaqueQuarz[14] = { 1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,
+ 1e-5,1e-5,1e-5,1e-5,1e-5 };
+ Float_t abscoCsI[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
+ 1e-4,1e-4,1e-4,1e-4 };
+ Float_t abscoMethane[14] = { 1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,
+ 1e6,1e6,1e6 };
+ Float_t abscoGrid[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
+ 1e-4,1e-4,1e-4,1e-4 };
+ Float_t efficAll[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
+ Float_t efficCsI[14] = { 6e-4,.005,.0075,.01125,.045,.117,.135,.16575,
+ .17425,.1785,.1836,.1904,.1938,.221 };
+ Float_t efficGrid[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
+ */
+
+
+ /**********************************End of Antonnelo's Values**********************************/
+
+ /**********************************Values from rich_media.f (31-vectors)**********************************/
+
+
+ //Photons energy intervals
+ Float_t ppckov[26];
+ for (i=0;i<26;i++)
+ {
+ ppckov[i] = (Float_t(i)*0.1+5.5)*1e-9;
+ //printf ("Energy intervals: %e\n",ppckov[i]);
+ }
+
+
+ //Refraction index for quarz
+ Float_t rIndexQuarz[26];
+ Float_t e1= 10.666;
+ Float_t e2= 18.125;
+ Float_t f1= 46.411;
+ Float_t f2= 228.71;
+ for (i=0;i<26;i++)
+ {
+ Float_t ene=ppckov[i]*1e9;
+ Float_t a=f1/(e1*e1 - ene*ene);
+ Float_t b=f2/(e2*e2 - ene*ene);
+ rIndexQuarz[i] = TMath::Sqrt(1. + a + b );
+ //printf ("rIndexQuarz: %e\n",rIndexQuarz[i]);
+ }
+
+ //Refraction index for opaque quarz, methane and grid
+ Float_t rIndexOpaqueQuarz[26];
+ Float_t rIndexMethane[26];
+ Float_t rIndexGrid[26];
+ for (i=0;i<26;i++)
+ {
+ rIndexOpaqueQuarz[i]=1;
+ rIndexMethane[i]=1.000444;
+ rIndexGrid[i]=1;
+ //printf ("rIndexOpaqueQuarz , etc: %e, %e, %e\n",rIndexOpaqueQuarz[i], rIndexMethane[i], rIndexGrid[i]=1);
+ }
+
+ //Absorption index for freon
+ Float_t abscoFreon[26] = {179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987,
+ 179.0987, 142.9206, 56.64957, 25.58622, 13.95293, 12.03905, 10.42953, 8.804196,
+ 7.069031, 4.461292, 2.028366, 1.293013, .577267, .40746, .334964, 0., 0., 0.};
+
+ //Absorption index for quarz
+ /*Float_t Qzt [21] = {.0,.0,.005,.04,.35,.647,.769,.808,.829,.844,.853,.858,.869,.887,.903,.902,.902,
+ .906,.907,.907,.907};
+ Float_t Wavl2[] = {150.,155.,160.0,165.0,170.0,175.0,180.0,185.0,190.0,195.0,200.0,205.0,210.0,
+ 215.0,220.0,225.0,230.0,235.0,240.0,245.0,250.0};
+ Float_t abscoQuarz[31];
+ for (Int_t i=0;i<31;i++)
+ {
+ Float_t Xlam = 1237.79 / (ppckov[i]*1e9);
+ if (Xlam <= 160) abscoQuarz[i] = 0;
+ if (Xlam > 250) abscoQuarz[i] = 1;
+ else
+ {
+ for (Int_t j=0;j<21;j++)
+ {
+ //printf ("Passed\n");
+ if (Xlam > Wavl2[j] && Xlam < Wavl2[j+1])
+ {
+ Float_t Dabs = (Qzt[j+1] - Qzt[j])/(Wavl2[j+1] - Wavl2[j]);
+ Float_t Abso = Qzt[j] + Dabs*(Xlam - Wavl2[j]);
+ abscoQuarz[i] = -5.0/(TMath::Log(Abso));
+ }
+ }
+ }
+ printf ("abscoQuarz: %e abscoFreon: %e for energy: %e\n",abscoQuarz[i],abscoFreon[i],ppckov[i]);
+ }*/
+
+ /*Float_t abscoQuarz[31] = {49.64211, 48.41296, 47.46989, 46.50492, 45.13682, 44.47883, 43.1929 , 41.30922, 40.5943 ,
+ 39.82956, 38.98623, 38.6247 , 38.43448, 37.41084, 36.22575, 33.74852, 30.73901, 24.25086,
+ 17.94531, 11.88753, 5.99128, 3.83503, 2.36661, 1.53155, 1.30582, 1.08574, .8779708,
+ .675275, 0., 0., 0.};
+
+ for (Int_t i=0;i<31;i++)
+ {
+ abscoQuarz[i] = abscoQuarz[i]/10;
+ }*/
+
+ Float_t abscoQuarz [26] = {105.8, 65.52, 48.58, 42.85, 35.79, 31.262, 28.598, 27.527, 25.007, 22.815, 21.004,
+ 19.266, 17.525, 15.878, 14.177, 11.719, 9.282, 6.62, 4.0925, 2.601, 1.149, .667, .3627,
+ .192, .1497, .10857};
+
+ //Absorption index for methane
+ Float_t abscoMethane[26];
+ for (i=0;i<26;i++)
+ {
+ abscoMethane[i]=AbsoCH4(ppckov[i]*1e9);
+ //printf("abscoMethane: %e for energy: %e\n", abscoMethane[i],ppckov[i]*1e9);
+ }
+
+ //Absorption index for opaque quarz, csi and grid, efficiency for all and grid
+ Float_t abscoOpaqueQuarz[26];
+ Float_t abscoCsI[26];
+ Float_t abscoGrid[26];
+ Float_t efficAll[26];
+ Float_t efficGrid[26];
+ for (i=0;i<26;i++)
+ {
+ abscoOpaqueQuarz[i]=1e-5;
+ abscoCsI[i]=1e-4;
+ abscoGrid[i]=1e-4;
+ efficAll[i]=1;
+ efficGrid[i]=1;
+ //printf ("All must be 1: %e, %e, %e, %e, %e\n",abscoOpaqueQuarz[i],abscoCsI[i],abscoGrid[i],efficAll[i],efficGrid[i]);
+ }
+
+ //Efficiency for csi
+
+ Float_t efficCsI[26] = {0.000199999995, 0.000600000028, 0.000699999975, 0.00499999989, 0.00749999983, 0.010125,
+ 0.0242999997, 0.0405000001, 0.0688500032, 0.105299994, 0.121500008, 0.141749993, 0.157949999,
+ 0.162, 0.166050002, 0.167669997, 0.174299985, 0.176789999, 0.179279998, 0.182599992, 0.18592,
+ 0.187579989, 0.189239994, 0.190899998, 0.207499996, 0.215799987};
+
+
+
+ //FRESNEL LOSS CORRECTION FOR PERPENDICULAR INCIDENCE AND
+ //UNPOLARIZED PHOTONS
+
+ for (i=0;i<26;i++)
+ {
+ efficCsI[i] = efficCsI[i]/(1.-Fresnel(ppckov[i]*1e9,1.,0));
+ //printf ("Fresnel result: %e for energy: %e\n",Fresnel(ppckov[i]*1e9,1.,0),ppckov[i]*1e9);
+ }
+
+ /*******************************************End of rich_media.f***************************************/
+
+
+
+
+
+
+ Float_t afre[2], agri, amet[2], aqua[2], ahon, zfre[2], zgri, zhon,
+ zmet[2], zqua[2];
+ Int_t nlmatfre;
+ Float_t densquao;
+ Int_t nlmatmet, nlmatqua;
+ Float_t wmatquao[2], rIndexFreon[26];
+ Float_t aquao[2], epsil, stmin, zquao[2];
+ Int_t nlmatquao;
+ Float_t radlal, densal, tmaxfd, deemax, stemax;
+ Float_t aal, zal, radlgri, densfre, radlhon, densgri, denshon,densqua, densmet, wmatfre[2], wmatmet[2], wmatqua[2];
+
+ Int_t *idtmed = fIdtmed->GetArray()-999;
+
+ TGeant3 *geant3 = (TGeant3*) gMC;
+
+ // --- Photon energy (GeV)
+ // --- Refraction indexes
+ for (i = 0; i < 26; ++i) {
+ rIndexFreon[i] = ppckov[i] * .0172 * 1e9 + 1.177;
+ //rIndexFreon[i] = 1;
+ //printf ("rIndexFreon: %e \n efficCsI: %e for energy: %e\n",rIndexFreon[i], efficCsI[i], ppckov[i]);
+ }
+
+ // --- Detection efficiencies (quantum efficiency for CsI)
+ // --- Define parameters for honeycomb.
+ // Used carbon of equivalent rad. lenght
+
+ ahon = 12.01;
+ zhon = 6.;
+ denshon = 0.1;
+ radlhon = 18.8;
+
+ // --- Parameters to include in GSMIXT, relative to Quarz (SiO2)
+
+ aqua[0] = 28.09;
+ aqua[1] = 16.;
+ zqua[0] = 14.;
+ zqua[1] = 8.;
+ densqua = 2.64;
+ nlmatqua = -2;
+ wmatqua[0] = 1.;
+ wmatqua[1] = 2.;
+
+ // --- Parameters to include in GSMIXT, relative to opaque Quarz (SiO2)
+
+ aquao[0] = 28.09;
+ aquao[1] = 16.;
+ zquao[0] = 14.;
+ zquao[1] = 8.;
+ densquao = 2.64;
+ nlmatquao = -2;
+ wmatquao[0] = 1.;
+ wmatquao[1] = 2.;
+
+ // --- Parameters to include in GSMIXT, relative to Freon (C6F14)
+
+ afre[0] = 12.;
+ afre[1] = 19.;
+ zfre[0] = 6.;
+ zfre[1] = 9.;
+ densfre = 1.7;
+ nlmatfre = -2;
+ wmatfre[0] = 6.;
+ wmatfre[1] = 14.;
+
+ // --- Parameters to include in GSMIXT, relative to methane (CH4)
+
+ amet[0] = 12.01;
+ amet[1] = 1.;
+ zmet[0] = 6.;
+ zmet[1] = 1.;
+ densmet = 7.17e-4;
+ nlmatmet = -2;
+ wmatmet[0] = 1.;
+ wmatmet[1] = 4.;
+
+ // --- Parameters to include in GSMIXT, relative to anode grid (Cu)
+
+ agri = 63.54;
+ zgri = 29.;
+ densgri = 8.96;
+ radlgri = 1.43;
+
+ // --- Parameters to include in GSMATE related to aluminium sheet
+
+ aal = 26.98;
+ zal = 13.;
+ densal = 2.7;
+ radlal = 8.9;
+
+ AliMaterial(1, "Air $", 14.61, 7.3, .001205, 30420., 67500);
+ AliMaterial(6, "HON", ahon, zhon, denshon, radlhon, 0);
+ AliMaterial(16, "CSI", ahon, zhon, denshon, radlhon, 0);
+ AliMixture(20, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua);
+ AliMixture(21, "QUAO", aquao, zquao, densquao, nlmatquao, wmatquao);
+ AliMixture(30, "FRE", afre, zfre, densfre, nlmatfre, wmatfre);
+ AliMixture(40, "MET", amet, zmet, densmet, nlmatmet, wmatmet);
+ AliMixture(41, "METG", amet, zmet, densmet, nlmatmet, wmatmet);
+ AliMaterial(11, "GRI", agri, zgri, densgri, radlgri, 0);
+ AliMaterial(50, "ALUM", aal, zal, densal, radlal, 0);
+
+ tmaxfd = -10.;
+ stemax = -.1;
+ deemax = -.2;
+ epsil = .001;
+ stmin = -.001;
+
+ AliMedium(1, "DEFAULT MEDIUM AIR$", 1, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(2, "HONEYCOMB$", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(3, "QUARZO$", 20, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(4, "FREON$", 30, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(5, "METANO$", 40, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(6, "CSI$", 16, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(7, "GRIGLIA$", 11, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(8, "QUARZOO$", 21, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(9, "GAP$", 41, 1, isxfld, sxmgmx,tmaxfd, .1, -deemax, epsil, -stmin);
+ AliMedium(10, "ALUMINUM$", 50, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+
+ geant3->Gsckov(idtmed[1000], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
+ geant3->Gsckov(idtmed[1001], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
+ geant3->Gsckov(idtmed[1002], 26, ppckov, abscoQuarz, efficAll,rIndexQuarz);
+ geant3->Gsckov(idtmed[1003], 26, ppckov, abscoFreon, efficAll,rIndexFreon);
+ geant3->Gsckov(idtmed[1004], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
+ geant3->Gsckov(idtmed[1005], 26, ppckov, abscoCsI, efficCsI, rIndexMethane);
+ geant3->Gsckov(idtmed[1006], 26, ppckov, abscoGrid, efficGrid, rIndexGrid);
+ geant3->Gsckov(idtmed[1007], 26, ppckov, abscoOpaqueQuarz, efficAll, rIndexOpaqueQuarz);
+ geant3->Gsckov(idtmed[1008], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
+ geant3->Gsckov(idtmed[1009], 26, ppckov, abscoGrid, efficGrid, rIndexGrid);
+}
+
+//___________________________________________
+
+Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
+{
+
+ //ENE(EV), PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.)
+
+ Float_t en[36] = {5.0,5.1,5.2,5.3,5.4,5.5,5.6,5.7,5.8,5.9,6.0,6.1,6.2,
+ 6.3,6.4,6.5,6.6,6.7,6.8,6.9,7.0,7.1,7.2,7.3,7.4,7.5,7.6,7.7,
+ 7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5};
+
+
+ Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05,
+ 2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11,
+ 2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95,
+ 1.72,1.53};
+
+ Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543,
+ 0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878,
+ 0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824,
+ 1.714,1.498};
+ Float_t xe=ene;
+ Int_t j=Int_t(xe*10)-49;
+ Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]);
+ Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]);
+
+ //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR
+ //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197
+
+ Float_t sinin=TMath::Sqrt(1-pdoti*pdoti);
+ Float_t tanin=sinin/pdoti;
+
+ Float_t c1=cn*cn-ck*ck-sinin*sinin;
+ Float_t c2=4*cn*cn*ck*ck;
+ Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1));
+ Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1);
+
+ Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2);
+ Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2);
+
+
+ //CORRECTION FACTOR FOR SURFACE ROUGHNESS
+ //B.J. STAGG APPLIED OPTICS, 30(1991),4113
+
+ Float_t sigraf=18.;
+ Float_t lamb=1240/ene;
+ Float_t fresn;
+
+ Float_t rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb));
+
+ if(pola)
+ {
+ Float_t pdotr=0.8; //DEGREE OF POLARIZATION : 1->P , -1->S
+ fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr));
+ }
+ else
+ fresn=0.5*(rp+rs);
+
+ fresn = fresn*rO;
+ return(fresn);
+}
+
+//__________________________________________
+Float_t AliRICH::AbsoCH4(Float_t x)
+{
+
+ //KLOSCH,SCH4(9),WL(9),EM(9),ALENGTH(31)
+ Float_t sch4[9] = {.12,.16,.23,.38,.86,2.8,7.9,28.,80.}; //MB X 10^22
+ //Float_t wl[9] = {153.,152.,151.,150.,149.,148.,147.,146.,145};
+ Float_t em[9] = {8.1,8.158,8.212,8.267,8.322,8.378,8.435,8.493,8.55};
+ const Float_t kLosch=2.686763E19; // LOSCHMIDT NUMBER IN CM-3
+ const Float_t kIgas1=100, kIgas2=0, kOxy=10., kWater=5., kPressure=750.,kTemperature=283.;
+ Float_t pn=kPressure/760.;
+ Float_t tn=kTemperature/273.16;
+
+
+// ------- METHANE CROSS SECTION -----------------
+// ASTROPH. J. 214, L47 (1978)
+
+ Float_t sm=0;
+ if (x<7.75)
+ sm=.06e-22;
+
+ if(x>=7.75 && x<=8.1)
+ {
+ Float_t c0=-1.655279e-1;
+ Float_t c1=6.307392e-2;
+ Float_t c2=-8.011441e-3;
+ Float_t c3=3.392126e-4;
+ sm=(c0+c1*x+c2*x*x+c3*x*x*x)*1.e-18;
+ }
+
+ if (x> 8.1)
+ {
+ Int_t j=0;
+ while (x<=em[j] && x>=em[j+1])
+ {
+ j++;
+ Float_t a=(sch4[j+1]-sch4[j])/(em[j+1]-em[j]);
+ sm=(sch4[j]+a*(x-em[j]))*1e-22;
+ }
+ }
+
+ Float_t dm=(kIgas1/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn;
+ Float_t abslm=1./sm/dm;
+
+// ------- ISOBUTHANE CROSS SECTION --------------
+// i-C4H10 (ai) abs. length from curves in
+// Lu-McDonald paper for BARI RICH workshop .
+// -----------------------------------------------------------
+
+ Float_t ai;
+ Float_t absli;
+ if (kIgas2 != 0)
+ {
+ if (x<7.25)
+ ai=100000000.;
+
+ if(x>=7.25 && x<7.375)
+ ai=24.3;
+
+ if(x>=7.375)
+ ai=.0000000001;
+
+ Float_t si = 1./(ai*kLosch*273.16/293.); // ISOB. CRO.SEC.IN CM2
+ Float_t di=(kIgas2/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn;
+ absli =1./si/di;
+ }
+ else
+ absli=1.e18;
+// ---------------------------------------------------------
+//
+// transmission of O2
+//
+// y= path in cm, x=energy in eV
+// so= cross section for UV absorption in cm2
+// do= O2 molecular density in cm-3
+// ---------------------------------------------------------
+
+ Float_t abslo;
+ Float_t so=0;
+ if(x>=6.0)
+ {
+ if(x>=6.0 && x<6.5)
+ {
+ so=3.392709e-13 * TMath::Exp(2.864104 *x);
+ so=so*1e-18;
+ }
+
+ if(x>=6.5 && x<7.0)
+ {
+ so=2.910039e-34 * TMath::Exp(10.3337*x);
+ so=so*1e-18;
+ }
+
+
+ if (x>=7.0)
+ {
+ Float_t a0=-73770.76;
+ Float_t a1=46190.69;
+ Float_t a2=-11475.44;
+ Float_t a3=1412.611;
+ Float_t a4=-86.07027;
+ Float_t a5=2.074234;
+ so= a0+(a1*x)+(a2*x*x)+(a3*x*x*x)+(a4*x*x*x*x)+(a5*x*x*x*x*x);
+ so=so*1e-18;
+ }
+
+ Float_t dox=(kOxy/1e6)*kLosch*pn/tn;
+ abslo=1./so/dox;
+ }
+ else
+ abslo=1.e18;
+// ---------------------------------------------------------
+//
+// transmission of H2O
+//
+// y= path in cm, x=energy in eV
+// sw= cross section for UV absorption in cm2
+// dw= H2O molecular density in cm-3
+// ---------------------------------------------------------
+ Float_t abslw;
+
+ Float_t b0=29231.65;
+ Float_t b1=-15807.74;
+ Float_t b2=3192.926;
+ Float_t b3=-285.4809;
+ Float_t b4=9.533944;
+
+ if(x>6.75)
+ {
+ Float_t sw= b0+(b1*x)+(b2*x*x)+(b3*x*x*x)+(b4*x*x*x*x);
+ sw=sw*1e-18;
+ Float_t dw=(kWater/1e6)*kLosch*pn/tn;
+ abslw=1./sw/dw;
+ }
+ else
+ abslw=1.e18;
+
+// ---------------------------------------------------------
+
+ Float_t alength=1./(1./abslm+1./absli+1./abslo+1./abslw);
+ return (alength);
}
+
+
//___________________________________________
Int_t AliRICH::DistancetoPrimitive(Int_t , Int_t )
{
+
+// Default value
+
return 9999;
}
//___________________________________________
void AliRICH::MakeBranch(Option_t* option)
{
- // Create Tree branches for the RICH.
+ // Create Tree branches for the RICH.
- const Int_t buffersize = 4000;
+ const Int_t kBufferSize = 4000;
char branchname[20];
AliDetector::MakeBranch(option);
sprintf(branchname,"%sCerenkov",GetName());
if (fCerenkovs && gAlice->TreeH()) {
- gAlice->TreeH()->Branch(branchname,&fCerenkovs, buffersize);
+ gAlice->TreeH()->Branch(branchname,&fCerenkovs, kBufferSize);
printf("Making Branch %s for Cerenkov Hits\n",branchname);
}
sprintf(branchname,"%sPadHits",GetName());
if (fPadHits && gAlice->TreeH()) {
- gAlice->TreeH()->Branch(branchname,&fPadHits, buffersize);
+ gAlice->TreeH()->Branch(branchname,&fPadHits, kBufferSize);
printf("Making Branch %s for PadHits\n",branchname);
}
// one branch for digits per chamber
Int_t i;
- for (i=0; i<7 ;i++) {
+ for (i=0; i<kNCH ;i++) {
sprintf(branchname,"%sDigits%d",GetName(),i+1);
if (fDchambers && gAlice->TreeD()) {
- gAlice->TreeD()->Branch(branchname,&((*fDchambers)[i]), buffersize);
+ gAlice->TreeD()->Branch(branchname,&((*fDchambers)[i]), kBufferSize);
printf("Making Branch %s for digits in chamber %d\n",branchname,i+1);
}
}
// one branch for raw clusters per chamber
- for (i=0; i<7 ;i++) {
+ for (i=0; i<kNCH ;i++) {
sprintf(branchname,"%sRawClusters%d",GetName(),i+1);
if (fRawClusters && gAlice->TreeR()) {
- gAlice->TreeR()->Branch(branchname,&((*fRawClusters)[i]), buffersize);
+ gAlice->TreeR()->Branch(branchname,&((*fRawClusters)[i]), kBufferSize);
printf("Making Branch %s for raw clusters in chamber %d\n",branchname,i+1);
}
}
// one branch for rec hits per chamber
- for (i=0; i<7 ;i++) {
+ for (i=0; i<kNCH ;i++) {
sprintf(branchname,"%sRecHits%d",GetName(),i+1);
if (fRecHits && gAlice->TreeR()) {
- gAlice->TreeR()->Branch(branchname,&((*fRecHits)[i]), buffersize);
+ gAlice->TreeR()->Branch(branchname,&((*fRecHits)[i]), kBufferSize);
printf("Making Branch %s for rec. hits in chamber %d\n",branchname,i+1);
}
}
//___________________________________________
void AliRICH::SetTreeAddress()
{
- // Set branch address for the Hits and Digits Tree.
+ // Set branch address for the Hits and Digits Tree.
char branchname[20];
Int_t i;
}
if (treeD) {
- for (int i=0; i<7; i++) {
+ for (int i=0; i<kNCH; i++) {
sprintf(branchname,"%sDigits%d",GetName(),i+1);
if (fDchambers) {
branch = treeD->GetBranch(branchname);
}
}
if (treeR) {
- for (i=0; i<7; i++) {
+ for (i=0; i<kNCH; i++) {
sprintf(branchname,"%sRawClusters%d",GetName(),i+1);
if (fRawClusters) {
branch = treeR->GetBranch(branchname);
}
}
- for (i=0; i<7; i++) {
+ for (i=0; i<kNCH; i++) {
sprintf(branchname,"%sRecHits%d",GetName(),i+1);
if (fRecHits) {
branch = treeR->GetBranch(branchname);
//___________________________________________
void AliRICH::ResetHits()
{
- // Reset number of clusters and the cluster array for this detector
+ // Reset number of clusters and the cluster array for this detector
AliDetector::ResetHits();
fNPadHits = 0;
fNcerenkovs = 0;
//____________________________________________
void AliRICH::ResetDigits()
{
- //
- // Reset number of digits and the digits array for this detector
- //
- for ( int i=0;i<7;i++ ) {
+ //
+ // Reset number of digits and the digits array for this detector
+ //
+ for ( int i=0;i<kNCH;i++ ) {
if ((*fDchambers)[i]) (*fDchambers)[i]->Clear();
if (fNdch) fNdch[i]=0;
}
//____________________________________________
void AliRICH::ResetRawClusters()
{
- //
- // Reset number of raw clusters and the raw clust array for this detector
- //
- for ( int i=0;i<7;i++ ) {
+ //
+ // Reset number of raw clusters and the raw clust array for this detector
+ //
+ for ( int i=0;i<kNCH;i++ ) {
if ((*fRawClusters)[i]) ((TClonesArray*)(*fRawClusters)[i])->Clear();
if (fNrawch) fNrawch[i]=0;
}
//____________________________________________
void AliRICH::ResetRecHits()
{
- //
- // Reset number of raw clusters and the raw clust array for this detector
- //
+ //
+ // Reset number of raw clusters and the raw clust array for this detector
+ //
- for ( int i=0;i<7;i++ ) {
+ for ( int i=0;i<kNCH;i++ ) {
if ((*fRecHits)[i]) ((TClonesArray*)(*fRecHits)[i])->Clear();
if (fNrechits) fNrechits[i]=0;
}
//___________________________________________
void AliRICH::SetGeometryModel(Int_t id, AliRICHGeometry *geometry)
{
+
+//
+// Setter for the RICH geometry model
+//
+
+
((AliRICHChamber*) (*fChambers)[id])->GeometryModel(geometry);
}
//___________________________________________
void AliRICH::SetSegmentationModel(Int_t id, AliRICHSegmentation *segmentation)
{
+
+//
+// Setter for the RICH segmentation model
+//
+
((AliRICHChamber*) (*fChambers)[id])->SegmentationModel(segmentation);
}
//___________________________________________
void AliRICH::SetResponseModel(Int_t id, AliRICHResponse *response)
{
+
+//
+// Setter for the RICH response model
+//
+
((AliRICHChamber*) (*fChambers)[id])->ResponseModel(response);
}
void AliRICH::SetReconstructionModel(Int_t id, AliRICHClusterFinder *reconst)
{
+
+//
+// Setter for the RICH reconstruction model (clusters)
+//
+
((AliRICHChamber*) (*fChambers)[id])->ReconstructionModel(reconst);
}
void AliRICH::SetNsec(Int_t id, Int_t nsec)
{
+
+//
+// Sets the number of padplanes
+//
+
((AliRICHChamber*) (*fChambers)[id])->SetNsec(nsec);
}
//___________________________________________
-
void AliRICH::StepManager()
{
+
+// Full Step Manager
+
+ Int_t copy, id;
+ static Int_t idvol;
+ static Int_t vol[2];
+ Int_t ipart;
+ static Float_t hits[18];
+ static Float_t ckovData[19];
+ TLorentzVector position;
+ TLorentzVector momentum;
+ Float_t pos[3];
+ Float_t mom[4];
+ Float_t localPos[3];
+ Float_t localMom[4];
+ Float_t localTheta,localPhi;
+ Float_t theta,phi;
+ Float_t destep, step;
+ Float_t ranf[2];
+ Int_t nPads;
+ Float_t coscerenkov;
+ static Float_t eloss, xhit, yhit, tlength;
+ const Float_t kBig=1.e10;
+
+ TClonesArray &lhits = *fHits;
+ TGeant3 *geant3 = (TGeant3*) gMC;
+ TParticle *current = (TParticle*)(*gAlice->Particles())[gAlice->CurrentTrack()];
+
+ //if (current->Energy()>1)
+ //{
+
+ // Only gas gap inside chamber
+ // Tag chambers and record hits when track enters
+
+ idvol=-1;
+ id=gMC->CurrentVolID(copy);
+ Float_t cherenkovLoss=0;
+ //gAlice->KeepTrack(gAlice->CurrentTrack());
+
+ 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[11] = gAlice->CurrentTrack();
+
+ //AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH");
+
+ /********************Store production parameters for Cerenkov photons************************/
+//is it a Cerenkov photon?
+ if (gMC->TrackPid() == 50000050) {
+
+ //if (gMC->VolId("GAP ")==gMC->CurrentVolID(copy))
+ //{
+ Float_t ckovEnergy = current->Energy();
+ //energy interval for tracking
+ if (ckovEnergy > 5.6e-09 && ckovEnergy < 7.8e-09 )
+ //if (ckovEnergy > 0)
+ {
+ if (gMC->IsTrackEntering()){ //is track entering?
+ if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
+ { //is it in freo?
+ if (geant3->Gctrak()->nstep<1){ //is it the first step?
+ Int_t mother = current->GetFirstMother();
+
+ //printf("Second Mother:%d\n",current->GetSecondMother());
+
+ ckovData[10] = mother;
+ ckovData[11] = gAlice->CurrentTrack();
+ ckovData[12] = 1; //Media where photon was produced 1->Freon, 2->Quarz
+ fCkovNumber++;
+ fFreonProd=1;
+ //printf("Index: %d\n",fCkovNumber);
+ } //first step question
+ } //freo question
+
+ if (geant3->Gctrak()->nstep<1){ //is it first step?
+ if (gMC->VolId("QUAR")==gMC->CurrentVolID(copy)) //is it in quarz?
+ {
+ ckovData[12] = 2;
+ } //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("Got in");
+ if (gMC->VolId("META")==gMC->CurrentVolID(copy)) //is it in gap?
+ {
+ //printf("Got in\n");
+ gMC->TrackMomentum(momentum);
+ mom[0]=momentum(0);
+ mom[1]=momentum(1);
+ mom[2]=momentum(2);
+ mom[3]=momentum(3);
+ // Z-position for hit
+
+
+ /**************** Photons lost in second grid have to be calculated by hand************/
+
+ Float_t cophi = TMath::Cos(TMath::ATan2(mom[0], mom[1]));
+ Float_t t = (1. - .025 / cophi) * (1. - .05 / cophi);
+ gMC->Rndm(ranf, 1);
+ //printf("grid calculation:%f\n",t);
+ if (ranf[0] > t) {
+ //geant3->StopTrack();
+ ckovData[13] = 5;
+ AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
+ //printf("Lost one in grid\n");
+ }
+ /**********************************************************************************/
+ } //gap
+
+ if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy)) //is it in csi?
+ {
+ gMC->TrackMomentum(momentum);
+ mom[0]=momentum(0);
+ mom[1]=momentum(1);
+ mom[2]=momentum(2);
+ mom[3]=momentum(3);
+
+ /********* Photons lost by Fresnel reflection have to be calculated by hand********/
+ /***********************Cerenkov phtons (always polarised)*************************/
+
+ Float_t cophi = TMath::Cos(TMath::ATan2(mom[0], mom[1]));
+ Float_t t = Fresnel(ckovEnergy*1e9,cophi,1);
+ gMC->Rndm(ranf, 1);
+ if (ranf[0] < t) {
+ //geant3->StopTrack();
+ ckovData[13] = 6;
+ AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
+ //printf("Lost by Fresnel\n");
+ }
+ /**********************************************************************************/
+ }
+ } //track entering?
+
+
+ /********************Evaluation of losses************************/
+ /******************still in the old fashion**********************/
+
+ Int_t i1 = geant3->Gctrak()->nmec; //number of physics mechanisms acting on the particle
+ for (Int_t i = 0; i < i1; ++i) {
+ // Reflection loss
+ if (geant3->Gctrak()->lmec[i] == 106) { //was it reflected
+ ckovData[13]=10;
+ if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
+ ckovData[13]=1;
+ if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR"))
+ ckovData[13]=2;
+ //geant3->StopTrack();
+ //AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
+ } //reflection question
+
+
+ // Absorption loss
+ else if (geant3->Gctrak()->lmec[i] == 101) { //was it absorbed?
+ ckovData[13]=20;
+ if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
+ ckovData[13]=11;
+ if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR"))
+ ckovData[13]=12;
+ if (gMC->CurrentVolID(copy) == gMC->VolId("META"))
+ ckovData[13]=13;
+ if (gMC->CurrentVolID(copy) == gMC->VolId("GAP "))
+ ckovData[13]=13;
+
+ if (gMC->CurrentVolID(copy) == gMC->VolId("SRIC"))
+ ckovData[13]=15;
+
+ // CsI inefficiency
+ if (gMC->CurrentVolID(copy) == gMC->VolId("CSI ")) {
+ ckovData[13]=16;
+ }
+ //geant3->StopTrack();
+ AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
+ //printf("Added cerenkov %d\n",fCkovNumber);
+ } //absorption question
+
+
+ // Photon goes out of tracking scope
+ else if (geant3->Gctrak()->lmec[i] == 30) { //is it below energy treshold?
+ ckovData[13]=21;
+ //geant3->StopTrack();
+ AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
+ } // 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->VolId("CSI ")==gMC->CurrentVolID(copy))
+ {
+
+ if (gMC->Edep() > 0.){
+ gMC->TrackPosition(position);
+ gMC->TrackMomentum(momentum);
+ pos[0]=position(0);
+ pos[1]=position(1);
+ pos[2]=position(2);
+ mom[0]=momentum(0);
+ mom[1]=momentum(1);
+ mom[2]=momentum(2);
+ mom[3]=momentum(3);
+ 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;
+ phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
+ gMC->Gmtod(pos,localPos,1);
+ gMC->Gmtod(mom,localMom,2);
+
+ 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);
+ }*/
+
+ ((AliRICHChamber*) (*fChambers)[idvol])
+ ->SigGenInit(localPos[0], localPos[2], localPos[1]);
+ if(idvol<kNCH) {
+ ckovData[0] = gMC->TrackPid(); // particle type
+ 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[4] = theta; // theta angle of incidence
+ ckovData[5] = phi; // phi angle of incidence
+ ckovData[8] = (Float_t) fNPadHits; // first padhit
+ ckovData[9] = -1; // last pad hit
+ ckovData[13] = 4; // photon was detected
+ ckovData[14] = mom[0];
+ ckovData[15] = mom[1];
+ ckovData[16] = mom[2];
+
+ destep = gMC->Edep();
+ gMC->SetMaxStep(kBig);
+ cherenkovLoss += destep;
+ ckovData[7]=cherenkovLoss;
+
+ nPads = MakePadHits(localPos[0],localPos[2],cherenkovLoss,idvol,kCerenkov);
+ if (fNPadHits > (Int_t)ckovData[8]) {
+ ckovData[8]= ckovData[8]+1;
+ ckovData[9]= (Float_t) fNPadHits;
+ }
+
+ ckovData[17] = nPads;
+ //printf("nPads:%d",nPads);
+
+ //TClonesArray *Hits = RICH->Hits();
+ AliRICHHit *mipHit = (AliRICHHit*) (fHits->UncheckedAt(0));
+ if (mipHit)
+ {
+ mom[0] = current->Px();
+ mom[1] = current->Py();
+ mom[2] = current->Pz();
+ Float_t mipPx = mipHit->fMomX;
+ Float_t mipPy = mipHit->fMomY;
+ Float_t mipPz = mipHit->fMomZ;
+
+ Float_t r = mom[0]*mom[0] + mom[1]*mom[1] + mom[2]*mom[2];
+ Float_t rt = TMath::Sqrt(r);
+ Float_t mipR = mipPx*mipPx + mipPy*mipPy + mipPz*mipPz;
+ Float_t mipRt = TMath::Sqrt(mipR);
+ if ((rt*mipRt) > 0)
+ {
+ coscerenkov = (mom[0]*mipPx + mom[1]*mipPy + mom[2]*mipPz)/(rt*mipRt);
+ }
+ else
+ {
+ coscerenkov = 0;
+ }
+ Float_t cherenkov = TMath::ACos(coscerenkov);
+ ckovData[18]=cherenkov;
+ }
+ //if (sector != -1)
+ //{
+ AddHit(gAlice->CurrentTrack(),vol,ckovData);
+ AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
+ //}
+ }
+ }
+ }
+ }
+
+ /***********************************************End of photon hits*********************************************/
+
+
+ /**********************************************Charged particles treatment*************************************/
+
+ else if (gMC->TrackCharge())
+ //else if (1 == 1)
+ {
+//If MIP
+ /*if (gMC->IsTrackEntering())
+ {
+ hits[13]=20;//is track entering?
+ }*/
+ if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
+ {
+ fFreonProd=1;
+ }
+
+ if (gMC->VolId("GAP ")== gMC->CurrentVolID(copy)) {
+// 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);
+ pos[1]=position(1);
+ pos[2]=position(2);
+ mom[0]=momentum(0);
+ mom[1]=momentum(1);
+ mom[2]=momentum(2);
+ mom[3]=momentum(3);
+ gMC->Gmtod(pos,localPos,1);
+ gMC->Gmtod(mom,localMom,2);
+
+ 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);
+ 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;
+ phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
+
+
+ Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2];
+ Double_t localRt = TMath::Sqrt(localTc);
+ localTheta = Float_t(TMath::ATan2(localRt,Double_t(localMom[1])))*kRaddeg;
+ localPhi = Float_t(TMath::ATan2(Double_t(localMom[2]),Double_t(localMom[0])))*kRaddeg;
+
+ hits[0] = Float_t(ipart); // particle type
+ hits[1] = localPos[0]; // X-position for hit
+ hits[2] = localPos[1]; // Y-position for hit
+ 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) fNPadHits; // first padhit
+ hits[9] = -1; // last pad hit
+ hits[13] = fFreonProd; // did id hit the freon?
+ hits[14] = mom[0];
+ hits[15] = mom[1];
+ hits[16] = mom[2];
+
+ tlength = 0;
+ eloss = 0;
+ fFreonProd = 0;
+
+ Chamber(idvol).LocaltoGlobal(localPos,hits+1);
+
+
+ //To make chamber coordinates x-y had to pass localPos[0], localPos[2]
+ xhit = localPos[0];
+ yhit = localPos[2];
+ // Only if not trigger chamber
+ if(idvol<kNCH) {
+ //
+ // Initialize hit position (cursor) in the segmentation model
+ ((AliRICHChamber*) (*fChambers)[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);
+ eloss += destep;
+ tlength += step;
+
+
+ // Only if not trigger chamber
+ if(idvol<kNCH) {
+ if (eloss > 0)
+ {
+ if(gMC->TrackPid() == kNeutron)
+ printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n");
+ nPads = MakePadHits(xhit,yhit,eloss,idvol,kMip);
+ hits[17] = nPads;
+ //printf("nPads:%d",nPads);
+ }
+ }
+
+ hits[6]=tlength;
+ hits[7]=eloss;
+ if (fNPadHits > (Int_t)hits[8]) {
+ hits[8]= hits[8]+1;
+ hits[9]= (Float_t) fNPadHits;
+ }
+
+ //if(sector !=-1)
+ new(lhits[fNhits++]) AliRICHHit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ eloss = 0;
+ //
+ // Check additional signal generation conditions
+ // defined by the segmentation
+ // model (boundary crossing conditions)
+ } else if
+ (((AliRICHChamber*) (*fChambers)[idvol])
+ ->SigGenCond(localPos[0], localPos[2], localPos[1]))
+ {
+ ((AliRICHChamber*) (*fChambers)[idvol])
+ ->SigGenInit(localPos[0], localPos[2], localPos[1]);
+ if (eloss > 0)
+ {
+ if(gMC->TrackPid() == kNeutron)
+ printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n");
+ nPads = MakePadHits(xhit,yhit,eloss,idvol,kMip);
+ hits[17] = nPads;
+ //printf("Npads:%d",NPads);
+ }
+ xhit = localPos[0];
+ yhit = localPos[2];
+ eloss = destep;
+ tlength += step ;
+ //
+ // nothing special happened, add up energy loss
+ } else {
+ eloss += destep;
+ tlength += step ;
+ }
+ }
+ }
+ /*************************************************End of MIP treatment**************************************/
+ //}
}
-void AliRICH::FindClusters(Int_t nev,Int_t last_entry)
+void AliRICH::FindClusters(Int_t nev,Int_t lastEntry)
{
//
for (Int_t icat=1;icat<2;icat++) {
gAlice->ResetDigits();
gAlice->TreeD()->GetEvent(1); // spurious +1 ...
- for (Int_t ich=0;ich<7;ich++) {
+ for (Int_t ich=0;ich<kNCH;ich++) {
AliRICHChamber* iChamber=(AliRICHChamber*) (*fChambers)[ich];
- TClonesArray *RICHdigits = this->DigitsAddress(ich);
- if (RICHdigits == 0)
+ TClonesArray *pRICHdigits = this->DigitsAddress(ich);
+ if (pRICHdigits == 0)
continue;
//
// Get ready the current chamber stuff
if (seg) {
rec->SetSegmentation(seg);
rec->SetResponse(response);
- rec->SetDigits(RICHdigits);
+ rec->SetDigits(pRICHdigits);
rec->SetChamber(ich);
if (nev==0) rec->CalibrateCOG();
rec->FindRawClusters();
gAlice->TreeR()->Fill();
TClonesArray *fRch;
- for (int i=0;i<7;i++) {
+ for (int i=0;i<kNCH;i++) {
fRch=RawClustAddress(i);
int nraw=fRch->GetEntriesFast();
printf ("Chamber %d, raw clusters %d\n",i,nraw);
char hname[30];
sprintf(hname,"TreeR%d",nev);
- gAlice->TreeR()->Write(hname);
+ gAlice->TreeR()->Write(hname,kOverwrite,0);
gAlice->TreeR()->Reset();
//gObjectTable->Print();
R__b >> fCerenkovs; // diff
R__b >> fDchambers;
R__b >> fRawClusters;
- R__b >> fRecHits; //diff
- R__b.ReadArray(fNdch);
- R__b.ReadArray(fNrawch);
- R__b.ReadArray(fNrechits);
+ R__b >> fRecHits; //diff
+ R__b >> fDebugLevel; //diff
+ R__b.ReadStaticArray(fNdch);
+ R__b.ReadStaticArray(fNrawch);
+ R__b.ReadStaticArray(fNrechits);
//
R__b >> fChambers;
// Stream chamber related information
- for (Int_t i =0; i<7; i++) {
+ for (Int_t i =0; i<kNCH; i++) {
iChamber=(AliRICHChamber*) (*fChambers)[i];
iChamber->Streamer(R__b);
segmentation=iChamber->GetSegmentationModel();
digitsaddress=(TClonesArray*) (*fDchambers)[i];
digitsaddress->Streamer(R__b);
}
+ R__b >> fDebugLevel;
+ R__b >> fCkovNumber;
+ R__b >> fCkovQuarz;
+ R__b >> fCkovGap;
+ R__b >> fCkovCsi;
+ R__b >> fLostRfreo;
+ R__b >> fLostRquar;
+ R__b >> fLostAfreo;
+ R__b >> fLostAquarz;
+ R__b >> fLostAmeta;
+ R__b >> fLostCsi;
+ R__b >> fLostWires;
+ R__b >> fFreonProd;
+ R__b >> fMipx;
+ R__b >> fMipy;
+ R__b >> fFeedbacks;
+ R__b >> fLostFresnel;
} else {
R__b.WriteVersion(AliRICH::IsA());
R__b << fDchambers;
R__b << fRawClusters;
R__b << fRecHits; //diff
- R__b.WriteArray(fNdch, 7);
- R__b.WriteArray(fNrawch, 7);
- R__b.WriteArray(fNrechits, 7);
+ R__b << fDebugLevel; //diff
+ R__b.WriteArray(fNdch, kNCH);
+ R__b.WriteArray(fNrawch, kNCH);
+ R__b.WriteArray(fNrechits, kNCH);
//
R__b << fChambers;
// Stream chamber related information
- for (Int_t i =0; i<7; i++) {
+ for (Int_t i =0; i<kNCH; i++) {
iChamber=(AliRICHChamber*) (*fChambers)[i];
iChamber->Streamer(R__b);
segmentation=iChamber->GetSegmentationModel();
digitsaddress=(TClonesArray*) (*fDchambers)[i];
digitsaddress->Streamer(R__b);
}
+ R__b << fDebugLevel;
+ R__b << fCkovNumber;
+ R__b << fCkovQuarz;
+ R__b << fCkovGap;
+ R__b << fCkovCsi;
+ R__b << fLostRfreo;
+ R__b << fLostRquar;
+ R__b << fLostAfreo;
+ R__b << fLostAquarz;
+ R__b << fLostAmeta;
+ R__b << fLostCsi;
+ R__b << fLostWires;
+ R__b << fFreonProd;
+ R__b << fMipx;
+ R__b << fMipy;
+ R__b << fFeedbacks;
+ R__b << fLostFresnel;
}
}
AliRICHPadHit* AliRICH::FirstPad(AliRICHHit* hit,TClonesArray *clusters )
AliRICHPadHit* AliRICH::NextPad(TClonesArray *clusters)
{
+
+ // Iterates over pads
+
sCurIterPad++;
if (sCurIterPad <= sMaxIterPad) {
return (AliRICHPadHit*) clusters->UncheckedAt(sCurIterPad-1);
}
-void AliRICH::Digitise(Int_t nev,Option_t *option,Text_t *filename)
+void AliRICH::Digitise(Int_t nev, Int_t flag, Option_t *option,Text_t *filename)
{
// keep galice.root for signal and name differently the file for
// background when add! otherwise the track info for signal will be lost !
static Bool_t first=kTRUE;
- static TFile *File;
- char *Add = strstr(option,"Add");
+ static TFile *pFile;
+ char *addBackground = strstr(option,"Add");
FILE* points; //these will be the digits...
AliRICHChamber* iChamber;
AliRICHSegmentation* segmentation;
-
+ Int_t digitse=0;
Int_t trk[50];
Int_t chtrk[50];
TObjArray *list=new TObjArray;
- static TClonesArray *p_adr=0;
- if(!p_adr) p_adr=new TClonesArray("TVector",1000);
+ static TClonesArray *pAddress=0;
+ if(!pAddress) pAddress=new TClonesArray("TVector",1000);
Int_t digits[5];
- AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH");
- AliRICHHitMap* HitMap[10];
+ AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH");
+ AliRICHHitMap* pHitMap[10];
Int_t i;
- for (i=0; i<10; i++) {HitMap[i]=0;}
- if (Add ) {
+ for (i=0; i<10; i++) {pHitMap[i]=0;}
+ if (addBackground ) {
if(first) {
fFileName=filename;
cout<<"filename"<<fFileName<<endl;
- File=new TFile(fFileName);
+ pFile=new TFile(fFileName);
cout<<"I have opened "<<fFileName<<" file "<<endl;
fHits2 = new TClonesArray("AliRICHHit",1000 );
fClusters2 = new TClonesArray("AliRICHPadHit",10000);
first=kFALSE;
}
- File->cd();
+ pFile->cd();
// Get Hits Tree header from file
if(fHits2) fHits2->Clear();
if(fClusters2) fClusters2->Clear();
if (branch) branch->SetAddress(&fClusters2);
}
}
- //
- // loop over cathodes
- //
+
AliRICHHitMap* hm;
Int_t countadr=0;
- for (int icat=0; icat<1; icat++) {
- Int_t counter=0;
- for (i =0; i<7; i++) {
- iChamber=(AliRICHChamber*) (*fChambers)[i];
- if (iChamber->Nsec()==1 && icat==1) {
- continue;
- } else {
- segmentation=iChamber->GetSegmentationModel(icat+1);
- }
- HitMap[i] = new AliRICHHitMapA1(segmentation, list);
- }
-//
-// Loop over tracks
-//
-
- TTree *TH = gAlice->TreeH();
- Int_t ntracks =(Int_t) TH->GetEntries();
- for (Int_t track=0; track<ntracks; track++) {
- gAlice->ResetHits();
- TH->GetEvent(track);
-//
-// Loop over hits
- for(AliRICHHit* mHit=(AliRICHHit*)RICH->FirstHit(-1);
- mHit;
- mHit=(AliRICHHit*)RICH->NextHit())
+ Int_t counter=0;
+ for (i =0; i<kNCH; i++) {
+ iChamber=(AliRICHChamber*) (*fChambers)[i];
+ segmentation=iChamber->GetSegmentationModel(1);
+ pHitMap[i] = new AliRICHHitMapA1(segmentation, list);
+ }
+ //
+ // Loop over tracks
+ //
+
+ TTree *treeH = gAlice->TreeH();
+ Int_t ntracks =(Int_t) treeH->GetEntries();
+ for (Int_t track=0; track<ntracks; track++) {
+ gAlice->ResetHits();
+ treeH->GetEvent(track);
+ //
+ // Loop over hits
+ for(AliRICHHit* mHit=(AliRICHHit*)pRICH->FirstHit(-1);
+ mHit;
+ mHit=(AliRICHHit*)pRICH->NextHit())
+ {
+
+ digitse=0;
+
+ Int_t nch = mHit->fChamber-1; // chamber number
+ if (nch >kNCH) continue;
+ iChamber = &(pRICH->Chamber(nch));
+
+ TParticle *current = (TParticle*)(*gAlice->Particles())[track];
+
+ Int_t particle = current->GetPdgCode();
+
+ //printf("Flag:%d\n",flag);
+ //printf("Track:%d\n",track);
+ //printf("Particle:%d\n",particle);
+
+ if (flag == 0)
+ digitse=1;
+
+ if (flag == 1)
+ if(TMath::Abs(particle) == 211 || TMath::Abs(particle) == 111)
+ digitse=1;
+
+ if (flag == 2)
+ if(TMath::Abs(particle)==321 || TMath::Abs(particle)==130 || TMath::Abs(particle)==310
+ || TMath::Abs(particle)==311)
+ digitse=1;
+
+ if (flag == 3 && TMath::Abs(particle)==2212)
+ digitse=1;
+
+ if (flag == 4 && TMath::Abs(particle)==13)
+ digitse=1;
+
+ if (flag == 5 && TMath::Abs(particle)==11)
+ digitse=1;
+
+ if (flag == 6 && TMath::Abs(particle)==2112)
+ digitse=1;
+
+
+ //printf ("Particle: %d, Flag: %d, Digitse: %d\n",particle,flag,digitse);
+
+
+ if (digitse)
{
- Int_t nch = mHit->fChamber-1; // chamber number
- if (nch >7) continue;
- iChamber = &(RICH->Chamber(nch));
-
-
-//
-// Loop over pad hits
- for (AliRICHPadHit* mPad=
- (AliRICHPadHit*)RICH->FirstPad(mHit,fPadHits);
- mPad;
- mPad=(AliRICHPadHit*)RICH->NextPad(fPadHits))
+
+ //
+ // Loop over pad hits
+ for (AliRICHPadHit* mPad=
+ (AliRICHPadHit*)pRICH->FirstPad(mHit,fPadHits);
+ mPad;
+ mPad=(AliRICHPadHit*)pRICH->NextPad(fPadHits))
{
- Int_t cathode = mPad->fCathode; // cathode number
- Int_t ipx = mPad->fPadX; // pad number on X
- Int_t ipy = mPad->fPadY; // pad number on Y
- Int_t iqpad = mPad->fQpad; // charge per pad
-//
-//
- //printf("X:%d, Y:%d, Q:%d\n",ipx,ipy,iqpad);
-
- Float_t thex, they;
- segmentation=iChamber->GetSegmentationModel(cathode);
- segmentation->GetPadCxy(ipx,ipy,thex,they);
- new((*p_adr)[countadr++]) TVector(2);
- TVector &trinfo=*((TVector*) (*p_adr)[countadr-1]);
- trinfo(0)=(Float_t)track;
- trinfo(1)=(Float_t)iqpad;
-
- digits[0]=ipx;
- digits[1]=ipy;
- digits[2]=iqpad;
-
- AliRICHTransientDigit* pdigit;
- // build the list of fired pads and update the info
- if (!HitMap[nch]->TestHit(ipx, ipy)) {
- list->AddAtAndExpand(
- new AliRICHTransientDigit(nch,digits),counter);
- HitMap[nch]->SetHit(ipx, ipy, counter);
- counter++;
- pdigit=(AliRICHTransientDigit*)list->At(list->GetLast());
- // list of tracks
- TObjArray *trlist=(TObjArray*)pdigit->TrackList();
- trlist->Add(&trinfo);
+ Int_t cathode = mPad->fCathode; // cathode number
+ Int_t ipx = mPad->fPadX; // pad number on X
+ Int_t ipy = mPad->fPadY; // pad number on Y
+ Int_t iqpad = mPad->fQpad; // charge per pad
+ //
+ //
+ //printf("X:%d, Y:%d, Q:%d\n",ipx,ipy,iqpad);
+
+ Float_t thex, they;
+ segmentation=iChamber->GetSegmentationModel(cathode);
+ segmentation->GetPadCxy(ipx,ipy,thex,they);
+ new((*pAddress)[countadr++]) TVector(2);
+ TVector &trinfo=*((TVector*) (*pAddress)[countadr-1]);
+ trinfo(0)=(Float_t)track;
+ trinfo(1)=(Float_t)iqpad;
+
+ digits[0]=ipx;
+ digits[1]=ipy;
+ digits[2]=iqpad;
+
+ AliRICHTransientDigit* pdigit;
+ // build the list of fired pads and update the info
+ if (!pHitMap[nch]->TestHit(ipx, ipy)) {
+ list->AddAtAndExpand(new AliRICHTransientDigit(nch,digits),counter);
+ pHitMap[nch]->SetHit(ipx, ipy, counter);
+ counter++;
+ pdigit=(AliRICHTransientDigit*)list->At(list->GetLast());
+ // list of tracks
+ TObjArray *trlist=(TObjArray*)pdigit->TrackList();
+ trlist->Add(&trinfo);
+ } else {
+ pdigit=(AliRICHTransientDigit*) pHitMap[nch]->GetHit(ipx, ipy);
+ // update charge
+ (*pdigit).fSignal+=iqpad;
+ // update list of tracks
+ TObjArray* trlist=(TObjArray*)pdigit->TrackList();
+ Int_t lastEntry=trlist->GetLast();
+ TVector *ptrkP=(TVector*)trlist->At(lastEntry);
+ TVector &ptrk=*ptrkP;
+ Int_t lastTrack=Int_t(ptrk(0));
+ Int_t lastCharge=Int_t(ptrk(1));
+ if (lastTrack==track) {
+ lastCharge+=iqpad;
+ trlist->RemoveAt(lastEntry);
+ trinfo(0)=lastTrack;
+ trinfo(1)=lastCharge;
+ trlist->AddAt(&trinfo,lastEntry);
} else {
- pdigit=(AliRICHTransientDigit*) HitMap[nch]->GetHit(ipx, ipy);
- // update charge
- (*pdigit).fSignal+=iqpad;
- // update list of tracks
- TObjArray* trlist=(TObjArray*)pdigit->TrackList();
- Int_t last_entry=trlist->GetLast();
- TVector *ptrk_p=(TVector*)trlist->At(last_entry);
- TVector &ptrk=*ptrk_p;
- Int_t last_track=Int_t(ptrk(0));
- Int_t last_charge=Int_t(ptrk(1));
- if (last_track==track) {
- last_charge+=iqpad;
- trlist->RemoveAt(last_entry);
- trinfo(0)=last_track;
- trinfo(1)=last_charge;
- trlist->AddAt(&trinfo,last_entry);
- } else {
- trlist->Add(&trinfo);
- }
- // check the track list
- Int_t nptracks=trlist->GetEntriesFast();
- if (nptracks > 2) {
- printf("Attention - tracks: %d (>2)\n",nptracks);
- //printf("cat,nch,ix,iy %d %d %d %d \n",icat+1,nch,ipx,ipy);
- for (Int_t tr=0;tr<nptracks;tr++) {
- TVector *pptrk_p=(TVector*)trlist->At(tr);
- TVector &pptrk=*pptrk_p;
- trk[tr]=Int_t(pptrk(0));
- chtrk[tr]=Int_t(pptrk(1));
- }
- } // end if nptracks
- } // end if pdigit
+ trlist->Add(&trinfo);
+ }
+ // check the track list
+ Int_t nptracks=trlist->GetEntriesFast();
+ if (nptracks > 2) {
+ printf("Attention - tracks: %d (>2)\n",nptracks);
+ //printf("cat,nch,ix,iy %d %d %d %d \n",icat+1,nch,ipx,ipy);
+ for (Int_t tr=0;tr<nptracks;tr++) {
+ TVector *pptrkP=(TVector*)trlist->At(tr);
+ TVector &pptrk=*pptrkP;
+ trk[tr]=Int_t(pptrk(0));
+ chtrk[tr]=Int_t(pptrk(1));
+ }
+ } // end if nptracks
+ } // end if pdigit
} //end loop over clusters
- } // hit loop
- } // track loop
-
- // open the file with background
-
- if (Add ) {
- ntracks =(Int_t)TrH1->GetEntries();
- //printf("background - icat,ntracks1 %d %d\n",icat,ntracks);
- //printf("background - Start loop over tracks \n");
-//
-// Loop over tracks
-//
- for (Int_t trak=0; trak<ntracks; trak++) {
- if (fHits2) fHits2->Clear();
- if (fClusters2) fClusters2->Clear();
- TrH1->GetEvent(trak);
-//
-// Loop over hits
- AliRICHHit* mHit;
- for(int j=0;j<fHits2->GetEntriesFast();++j)
- {
- mHit=(AliRICHHit*) (*fHits2)[j];
- Int_t nch = mHit->fChamber-1; // chamber number
- if (nch >6) continue;
- iChamber = &(RICH->Chamber(nch));
- Int_t rmin = (Int_t)iChamber->RInner();
- Int_t rmax = (Int_t)iChamber->ROuter();
-//
-// Loop over pad hits
- for (AliRICHPadHit* mPad=
- (AliRICHPadHit*)RICH->FirstPad(mHit,fClusters2);
- mPad;
- mPad=(AliRICHPadHit*)RICH->NextPad(fClusters2))
- {
- Int_t cathode = mPad->fCathode; // cathode number
- Int_t ipx = mPad->fPadX; // pad number on X
- Int_t ipy = mPad->fPadY; // pad number on Y
- Int_t iqpad = mPad->fQpad; // charge per pad
- if (trak==3 && nch==0 && icat==0) printf("bgr - trak,iqpad,ipx,ipy %d %d %d %d\n",trak,iqpad,ipx,ipy);
-//
-//
- Float_t thex, they;
- segmentation=iChamber->GetSegmentationModel(cathode);
- segmentation->GetPadCxy(ipx,ipy,thex,they);
- Float_t rpad=TMath::Sqrt(thex*thex+they*they);
- if (rpad < rmin || iqpad ==0 || rpad > rmax) continue;
- new((*p_adr)[countadr++]) TVector(2);
- TVector &trinfo=*((TVector*) (*p_adr)[countadr-1]);
- trinfo(0)=-1; // tag background
- trinfo(1)=-1;
- digits[0]=ipx;
- digits[1]=ipy;
- digits[2]=iqpad;
- if (trak <4 && icat==0 && nch==0)
- printf("bgr - HitMap[nch]->TestHit(ipx, ipy),trak %d %d\n",
- HitMap[nch]->TestHit(ipx, ipy),trak);
- AliRICHTransientDigit* pdigit;
- // build the list of fired pads and update the info
- if (!HitMap[nch]->TestHit(ipx, ipy)) {
- list->AddAtAndExpand(new AliRICHTransientDigit(nch,digits),counter);
-
- HitMap[nch]->SetHit(ipx, ipy, counter);
- counter++;
- printf("bgr new elem in list - counter %d\n",counter);
-
- pdigit=(AliRICHTransientDigit*)list->At(list->GetLast());
- // list of tracks
- TObjArray *trlist=(TObjArray*)pdigit->TrackList();
- trlist->Add(&trinfo);
- } else {
- pdigit=(AliRICHTransientDigit*) HitMap[nch]->GetHit(ipx, ipy);
- // update charge
- (*pdigit).fSignal+=iqpad;
- // update list of tracks
- TObjArray* trlist=(TObjArray*)pdigit->TrackList();
- Int_t last_entry=trlist->GetLast();
- TVector *ptrk_p=(TVector*)trlist->At(last_entry);
- TVector &ptrk=*ptrk_p;
- Int_t last_track=Int_t(ptrk(0));
- if (last_track==-1) {
- continue;
- } else {
- trlist->Add(&trinfo);
- }
- // check the track list
- Int_t nptracks=trlist->GetEntriesFast();
- if (nptracks > 0) {
- for (Int_t tr=0;tr<nptracks;tr++) {
- TVector *pptrk_p=(TVector*)trlist->At(tr);
- TVector &pptrk=*pptrk_p;
- trk[tr]=Int_t(pptrk(0));
- chtrk[tr]=Int_t(pptrk(1));
- }
- } // end if nptracks
- } // end if pdigit
- } //end loop over clusters
- } // hit loop
- } // track loop
+ }// track type condition
+ } // hit loop
+ } // track loop
+
+ // open the file with background
+
+ if (addBackground ) {
+ ntracks =(Int_t)TrH1->GetEntries();
+ //printf("background - icat,ntracks1 %d %d\n",icat,ntracks);
+ //printf("background - Start loop over tracks \n");
+ //
+ // Loop over tracks
+ //
+ for (Int_t trak=0; trak<ntracks; trak++) {
+ if (fHits2) fHits2->Clear();
+ if (fClusters2) fClusters2->Clear();
+ TrH1->GetEvent(trak);
+ //
+ // Loop over hits
+ AliRICHHit* mHit;
+ for(int j=0;j<fHits2->GetEntriesFast();++j)
+ {
+ mHit=(AliRICHHit*) (*fHits2)[j];
+ Int_t nch = mHit->fChamber-1; // chamber number
+ if (nch >6) continue;
+ iChamber = &(pRICH->Chamber(nch));
+ Int_t rmin = (Int_t)iChamber->RInner();
+ Int_t rmax = (Int_t)iChamber->ROuter();
+ //
+ // Loop over pad hits
+ for (AliRICHPadHit* mPad=
+ (AliRICHPadHit*)pRICH->FirstPad(mHit,fClusters2);
+ mPad;
+ mPad=(AliRICHPadHit*)pRICH->NextPad(fClusters2))
+ {
+ Int_t cathode = mPad->fCathode; // cathode number
+ Int_t ipx = mPad->fPadX; // pad number on X
+ Int_t ipy = mPad->fPadY; // pad number on Y
+ Int_t iqpad = mPad->fQpad; // charge per pad
+
+ Float_t thex, they;
+ segmentation=iChamber->GetSegmentationModel(cathode);
+ segmentation->GetPadCxy(ipx,ipy,thex,they);
+ Float_t rpad=TMath::Sqrt(thex*thex+they*they);
+ if (rpad < rmin || iqpad ==0 || rpad > rmax) continue;
+ new((*pAddress)[countadr++]) TVector(2);
+ TVector &trinfo=*((TVector*) (*pAddress)[countadr-1]);
+ trinfo(0)=-1; // tag background
+ trinfo(1)=-1;
+ digits[0]=ipx;
+ digits[1]=ipy;
+ digits[2]=iqpad;
+ if (trak <4 && nch==0)
+ printf("bgr - pHitMap[nch]->TestHit(ipx, ipy),trak %d %d\n",
+ pHitMap[nch]->TestHit(ipx, ipy),trak);
+ AliRICHTransientDigit* pdigit;
+ // build the list of fired pads and update the info
+ if (!pHitMap[nch]->TestHit(ipx, ipy)) {
+ list->AddAtAndExpand(new AliRICHTransientDigit(nch,digits),counter);
+
+ pHitMap[nch]->SetHit(ipx, ipy, counter);
+ counter++;
+ printf("bgr new elem in list - counter %d\n",counter);
+
+ pdigit=(AliRICHTransientDigit*)list->At(list->GetLast());
+ // list of tracks
+ TObjArray *trlist=(TObjArray*)pdigit->TrackList();
+ trlist->Add(&trinfo);
+ } else {
+ pdigit=(AliRICHTransientDigit*) pHitMap[nch]->GetHit(ipx, ipy);
+ // update charge
+ (*pdigit).fSignal+=iqpad;
+ // update list of tracks
+ TObjArray* trlist=(TObjArray*)pdigit->TrackList();
+ Int_t lastEntry=trlist->GetLast();
+ TVector *ptrkP=(TVector*)trlist->At(lastEntry);
+ TVector &ptrk=*ptrkP;
+ Int_t lastTrack=Int_t(ptrk(0));
+ if (lastTrack==-1) {
+ continue;
+ } else {
+ trlist->Add(&trinfo);
+ }
+ // check the track list
+ Int_t nptracks=trlist->GetEntriesFast();
+ if (nptracks > 0) {
+ for (Int_t tr=0;tr<nptracks;tr++) {
+ TVector *pptrkP=(TVector*)trlist->At(tr);
+ TVector &pptrk=*pptrkP;
+ trk[tr]=Int_t(pptrk(0));
+ chtrk[tr]=Int_t(pptrk(1));
+ }
+ } // end if nptracks
+ } // end if pdigit
+ } //end loop over clusters
+ } // hit loop
+ } // track loop
TTree *fAli=gAlice->TreeK();
- if (fAli) File =fAli->GetCurrentFile();
- File->cd();
- } // if Add
-
- Int_t tracks[10];
- Int_t charges[10];
- //cout<<"Start filling digits \n "<<endl;
- Int_t nentries=list->GetEntriesFast();
- //printf(" \n \n nentries %d \n",nentries);
+ if (fAli) pFile =fAli->GetCurrentFile();
+ pFile->cd();
+ } // if Add
+
+ Int_t tracks[10];
+ Int_t charges[10];
+ //cout<<"Start filling digits \n "<<endl;
+ Int_t nentries=list->GetEntriesFast();
+ //printf(" \n \n nentries %d \n",nentries);
+
+ // start filling the digits
+
+ for (Int_t nent=0;nent<nentries;nent++) {
+ AliRICHTransientDigit *address=(AliRICHTransientDigit*)list->At(nent);
+ if (address==0) continue;
+
+ Int_t ich=address->fChamber;
+ Int_t q=address->fSignal;
+ iChamber=(AliRICHChamber*) (*fChambers)[ich];
+ AliRICHResponse * response=iChamber->GetResponseModel();
+ Int_t adcmax= (Int_t) response->MaxAdc();
+
+
+ // add white noise and do zero-suppression and signal truncation (new electronics,old electronics gaus 1.2,0.2)
+ //printf("Treshold: %d\n",iChamber->fTresh->GetHitIndex(address->fPadX,address->fPadY));
+ Int_t pedestal = iChamber->fTresh->GetHitIndex(address->fPadX,address->fPadY);
- // start filling the digits
-
- for (Int_t nent=0;nent<nentries;nent++) {
- AliRICHTransientDigit *address=(AliRICHTransientDigit*)list->At(nent);
- if (address==0) continue;
- Int_t ich=address->fChamber;
- Int_t q=address->fSignal;
- iChamber=(AliRICHChamber*) (*fChambers)[ich];
- AliRICHResponse * response=iChamber->GetResponseModel();
- Int_t adcmax= (Int_t) response->MaxAdc();
- // add white noise and do zero-suppression and signal truncation (new electronics,old electronics gaus 1.2,0.2)
- Float_t MeanNoise = gRandom->Gaus(1.7, 0.25);
- Float_t Noise = gRandom->Gaus(0, MeanNoise);
- q+=(Int_t)Noise;
-// magic number to be parametrised !!!
- if ( q <= 6.8) continue;
- if ( q >= adcmax) q=adcmax;
- digits[0]=address->fPadX;
- digits[1]=address->fPadY;
- digits[2]=q;
-
- TObjArray* trlist=(TObjArray*)address->TrackList();
- Int_t nptracks=trlist->GetEntriesFast();
-
- // this was changed to accomodate the real number of tracks
- if (nptracks > 10) {
- cout<<"Attention - tracks > 10 "<<nptracks<<endl;
- nptracks=10;
- }
- if (nptracks > 2) {
- printf("Attention - tracks > 2 %d \n",nptracks);
- //printf("cat,ich,ix,iy,q %d %d %d %d %d \n",
- //icat,ich,digits[0],digits[1],q);
- }
- for (Int_t tr=0;tr<nptracks;tr++) {
- TVector *pp_p=(TVector*)trlist->At(tr);
- TVector &pp =*pp_p;
- tracks[tr]=Int_t(pp(0));
- charges[tr]=Int_t(pp(1));
- } //end loop over list of tracks for one pad
- if (nptracks < 10 ) {
- for (Int_t t=nptracks; t<10; t++) {
- tracks[t]=0;
- charges[t]=0;
- }
- }
- //write file
- if (ich==2)
- fprintf(points,"%4d, %4d, %4d\n",digits[0],digits[1],digits[2]);
-
- // fill digits
- RICH->AddDigits(ich,tracks,charges,digits);
- }
- gAlice->TreeD()->Fill();
-
- list->Delete();
- for(Int_t ii=0;ii<7;++ii) {
- if (HitMap[ii]) {
- hm=HitMap[ii];
- delete hm;
- HitMap[ii]=0;
- }
+ //printf("Pedestal:%d\n",pedestal);
+ //Int_t pedestal=0;
+ Float_t treshold = (pedestal + 4*2.2);
+
+ Float_t meanNoise = gRandom->Gaus(2.2, 0.3);
+ Float_t noise = gRandom->Gaus(0, meanNoise);
+ q+=(Int_t)(noise + pedestal);
+ //q+=(Int_t)(noise);
+ // magic number to be parametrised !!!
+ if ( q <= treshold)
+ {
+ q = q - pedestal;
+ continue;
}
-
- //TTree *TD=gAlice->TreeD();
- //Stat_t ndig=TD->GetEntries();
- //cout<<"number of digits "<<ndig<<endl;
- TClonesArray *fDch;
- for (int k=0;k<7;k++) {
- fDch= RICH->DigitsAddress(k);
- int ndigit=fDch->GetEntriesFast();
- printf ("Chamber %d digits %d \n",k,ndigit);
+ q = q - pedestal;
+ if ( q >= adcmax) q=adcmax;
+ digits[0]=address->fPadX;
+ digits[1]=address->fPadY;
+ digits[2]=q;
+
+ TObjArray* trlist=(TObjArray*)address->TrackList();
+ Int_t nptracks=trlist->GetEntriesFast();
+
+ // this was changed to accomodate the real number of tracks
+ if (nptracks > 10) {
+ cout<<"Attention - tracks > 10 "<<nptracks<<endl;
+ nptracks=10;
+ }
+ if (nptracks > 2) {
+ printf("Attention - tracks > 2 %d \n",nptracks);
+ //printf("cat,ich,ix,iy,q %d %d %d %d %d \n",
+ //icat,ich,digits[0],digits[1],q);
+ }
+ for (Int_t tr=0;tr<nptracks;tr++) {
+ TVector *ppP=(TVector*)trlist->At(tr);
+ TVector &pp =*ppP;
+ tracks[tr]=Int_t(pp(0));
+ charges[tr]=Int_t(pp(1));
+ } //end loop over list of tracks for one pad
+ if (nptracks < 10 ) {
+ for (Int_t t=nptracks; t<10; t++) {
+ tracks[t]=0;
+ charges[t]=0;
}
- RICH->ResetDigits();
- } //end loop over cathodes
+ }
+ //write file
+ if (ich==2)
+ fprintf(points,"%4d, %4d, %4d\n",digits[0],digits[1],digits[2]);
+
+ // fill digits
+ pRICH->AddDigits(ich,tracks,charges,digits);
+ }
+ gAlice->TreeD()->Fill();
+
+ list->Delete();
+ for(Int_t ii=0;ii<kNCH;++ii) {
+ if (pHitMap[ii]) {
+ hm=pHitMap[ii];
+ delete hm;
+ pHitMap[ii]=0;
+ }
+ }
+
+ //TTree *TD=gAlice->TreeD();
+ //Stat_t ndig=TD->GetEntries();
+ //cout<<"number of digits "<<ndig<<endl;
+ TClonesArray *fDch;
+ for (int k=0;k<kNCH;k++) {
+ fDch= pRICH->DigitsAddress(k);
+ int ndigit=fDch->GetEntriesFast();
+ printf ("Chamber %d digits %d \n",k,ndigit);
+ }
+ pRICH->ResetDigits();
char hname[30];
sprintf(hname,"TreeD%d",nev);
- gAlice->TreeD()->Write(hname);
-
-// reset tree
-// gAlice->TreeD()->Reset();
+ gAlice->TreeD()->Write(hname,kOverwrite,0);
+
+ // reset tree
+ // gAlice->TreeD()->Reset();
delete list;
- p_adr->Clear();
-// gObjectTable->Print();
+ pAddress->Clear();
+ // gObjectTable->Print();
}
+AliRICH& AliRICH::operator=(const AliRICH& rhs)
+{
+// Assignment operator
+ return *this;
+
+}
+Int_t AliRICH::MakePadHits(Float_t xhit,Float_t yhit,Float_t eloss, Int_t idvol, ResponseType res)
+{
+//
+// Calls the charge disintegration method of the current chamber and adds
+// the simulated cluster to the root treee
+//
+ Int_t clhits[kNCH];
+ Float_t newclust[6][500];
+ Int_t nnew;
+
+//
+// Integrated pulse height on chamber
+
+ clhits[0]=fNhits+1;
+
+ ((AliRICHChamber*) (*fChambers)[idvol])->DisIntegration(eloss, xhit, yhit, nnew, newclust, res);
+ Int_t ic=0;
+
+//
+// Add new clusters
+ for (Int_t i=0; i<nnew; i++) {
+ if (Int_t(newclust[3][i]) > 0) {
+ ic++;
+// Cathode plane
+ clhits[1] = Int_t(newclust[5][i]);
+// Cluster Charge
+ clhits[2] = Int_t(newclust[0][i]);
+// Pad: ix
+ clhits[3] = Int_t(newclust[1][i]);
+// Pad: iy
+ clhits[4] = Int_t(newclust[2][i]);
+// Pad: charge
+ clhits[5] = Int_t(newclust[3][i]);
+// Pad: chamber sector
+ clhits[6] = Int_t(newclust[4][i]);
+
+ AddPadHit(clhits);
+ }
+ }
+return nnew;
+}