/* $Id$ */
-/////////////////////////////////////////////////////////
-// Manager and hits classes for set:MUON version 0 //
-/////////////////////////////////////////////////////////
-#include <TRandom.h>
-#include <TF1.h>
-#include <Riostream.h>
-#include <TClonesArray.h>
-#include <TLorentzVector.h>
-#include <TNode.h>
-#include <TRandom.h>
-#include <TTUBE.h>
-#include <TVirtualMC.h>
-#include <TParticle.h>
+//-----------------------------------------------------------------------------
+// Class AliMUONv1
+// --------------------
+// AliDetector class for MUON subsystem which implements
+// functions for simulation
+//-----------------------------------------------------------------------------
-#include "AliCallf77.h"
-#include "AliConst.h"
-#include "AliMUONChamber.h"
+#include "AliMUONv1.h"
#include "AliMUONConstants.h"
-#include "AliMUONFactory.h"
+#include "AliMUONResponseFactory.h"
#include "AliMUONHit.h"
-#include "AliMUONPadHit.h"
-#include "AliMUONTriggerCircuit.h"
-#include "AliMUONv1.h"
+#include "AliMUONGeometryBuilder.h"
+#include "AliMUONGeometry.h"
+#include "AliMUONGeometryTransformer.h"
+#include "AliMUONGeometryModule.h"
+#include "AliMUONStringIntMap.h"
+#include "AliMUONGeometryDetElement.h"
+
+#include "AliMpCDB.h"
+#include "AliMpDEManager.h"
+
+#include "AliConst.h"
#include "AliMagF.h"
#include "AliRun.h"
+#include "AliMC.h"
+#include "AliTrackReference.h"
+#include "AliLog.h"
+
+#include <TClonesArray.h>
+#include <TF1.h>
+#include <TF2.h>
+#include <TGeoGlobalMagField.h>
+#include <TGeoMatrix.h>
+#include <TRandom.h>
+#include <TRandom.h>
+#include <TVirtualMC.h>
+#include <string>
+
+#include "AliMUONVHitStore.h"
+
+/// \cond CLASSIMP
ClassImp(AliMUONv1)
+/// \endcond
//___________________________________________
-AliMUONv1::AliMUONv1() : AliMUON()
- ,fTrackMomentum(), fTrackPosition()
+AliMUONv1::AliMUONv1()
+ : AliMUON(),
+ fAngleEffect(kTRUE),
+ fMagEffect(kTRUE),
+ fStepMaxInActiveGas(0.6),
+ fStepSum(0x0),
+ fDestepSum(0x0),
+ fTrackMomentum(),
+ fTrackPosition(),
+ fElossRatio(0x0),
+ fAngleEffect10(0x0),
+ fAngleEffectNorma(0x0),
+ fMagAngleEffectNorma(0x0)
{
-// Constructor
- fChambers = 0;
- fStations = 0;
- fStepManagerVersionOld = kFALSE;
- fStepMaxInActiveGas = 0.6;
- fStepSum = 0x0;
- fDestepSum = 0x0;
- fElossRatio = 0x0;
- fAngleEffect10 = 0x0;
- fAngleEffectNorma= 0x0;
+/// Default constructor
+
+ AliDebug(1,Form("default (empty) ctor this=%p",this));
}
+
//___________________________________________
-AliMUONv1::AliMUONv1(const char *name, const char *title)
- : AliMUON(name,title), fTrackMomentum(), fTrackPosition()
+AliMUONv1::AliMUONv1(const char *name, const char* title)
+: AliMUON(name, title),
+ fAngleEffect(kTRUE),
+ fMagEffect(kTRUE),
+ fStepMaxInActiveGas(0.6),
+ fStepSum(0x0),
+ fDestepSum(0x0),
+ fTrackMomentum(),
+ fTrackPosition(),
+ fElossRatio(0x0),
+ fAngleEffect10(0x0),
+ fAngleEffectNorma(0x0),
+ fMagAngleEffectNorma(0x0)
{
-// Constructor
- // By default include all stations
- fStations = new Int_t[5];
- for (Int_t i=0; i<5; i++) fStations[i] = 1;
+/// Standard onstructor
- AliMUONFactory factory;
- factory.Build(this, title);
-
- fStepManagerVersionOld = kFALSE;
-
- fStepMaxInActiveGas = 0.6;
+ AliDebug(1,Form("ctor this=%p",this));
+
+ // Load mapping
+ if ( ! AliMpCDB::LoadMpSegmentation() ) {
+ AliFatal("Could not access mapping from OCDB !");
+ }
+
+ // By default include all stations
fStepSum = new Float_t [AliMUONConstants::NCh()];
fDestepSum = new Float_t [AliMUONConstants::NCh()];
fAngleEffectNorma->SetParameter(1,-6.809e-01);
fAngleEffectNorma->SetParameter(2,5.151e-02);
fAngleEffectNorma->SetParameter(3,-1.490e-03);
+
+ // Magnetic field effect: Normalisation form theta=16 degres (eq. 10 degrees B=0) to theta between -20 and 20 (Lamia Benhabib jun 2006 )
+ // Angle with respect to the wires assuming that chambers are perpendicular to the z axis.
+ fMagAngleEffectNorma = new TF2("MagAngleEffectNorma","121.24/(([1]+[2]*abs(y))+[3]*abs(x-[0]*y)+[4]*abs((x-[0]*y)*(x-[0]*y))+[5]*abs((x-[0]*y)*(x-[0]*y)*(x-[0]*y))+[6]*abs((x-[0]*y)*(x-[0]*y)*(x-[0]*y)*(x-[0]*y)))",-20.0,20.0,-1.,1.);
+ fMagAngleEffectNorma->SetParameters(8.6995, 25.4022, 13.8822, 2.4717, 1.1551, -0.0624, 0.0012);
}
//___________________________________________
-void AliMUONv1::CreateGeometry()
+AliMUONv1::~AliMUONv1()
{
-//
-// Note: all chambers have the same structure, which could be
-// easily parameterised. This was intentionally not done in order
-// to give a starting point for the implementation of the actual
-// design of each station.
- Int_t *idtmed = fIdtmed->GetArray()-1099;
-
-// Distance between Stations
-//
- Float_t bpar[3];
- Float_t tpar[3];
-// Float_t pgpar[10];
- Float_t zpos1, zpos2, zfpos;
- // Outer excess and inner recess for mother volume radius
- // with respect to ROuter and RInner
- Float_t dframep=.001; // Value for station 3 should be 6 ...
- // Width (RdPhi) of the frame crosses for stations 1 and 2 (cm)
-// Float_t dframep1=.001;
- Float_t dframep1 = 11.0;
-// Bool_t frameCrosses=kFALSE;
- Bool_t frameCrosses=kTRUE;
- Float_t *dum=0;
-
-// Float_t dframez=0.9;
- // Half of the total thickness of frame crosses (including DAlu)
- // for each chamber in stations 1 and 2:
- // 3% of X0 of composite material,
- // but taken as Aluminium here, with same thickness in number of X0
- Float_t dframez = 3. * 8.9 / 100;
-// Float_t dr;
- Float_t dstation;
-
-//
-// Rotation matrices in the x-y plane
- Int_t idrotm[1199];
-// phi= 0 deg
- AliMatrix(idrotm[1100], 90., 0., 90., 90., 0., 0.);
-// phi= 90 deg
- AliMatrix(idrotm[1101], 90., 90., 90., 180., 0., 0.);
-// phi= 180 deg
- AliMatrix(idrotm[1102], 90., 180., 90., 270., 0., 0.);
-// phi= 270 deg
- AliMatrix(idrotm[1103], 90., 270., 90., 0., 0., 0.);
-//
- Float_t phi=2*TMath::Pi()/12/2;
-
-//
-// pointer to the current chamber
-// pointer to the current chamber
- Int_t idAlu1=idtmed[1103]; // medium 4
- Int_t idAlu2=idtmed[1104]; // medium 5
-// Int_t idAlu1=idtmed[1100];
-// Int_t idAlu2=idtmed[1100];
- Int_t idAir=idtmed[1100]; // medium 1
-// Int_t idGas=idtmed[1105]; // medium 6 = Ar-isoC4H10 gas
- Int_t idGas=idtmed[1108]; // medium 9 = Ar-CO2 gas (80%+20%)
-
-
- AliMUONChamber *iChamber, *iChamber1, *iChamber2;
-
- if (fStations[0]) {
-
-//********************************************************************
-// Station 1 **
-//********************************************************************
-// CONCENTRIC
- // indices 1 and 2 for first and second chambers in the station
- // iChamber (first chamber) kept for other quanties than Z,
- // assumed to be the same in both chambers
- iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[0];
- iChamber2 =(AliMUONChamber*) (*fChambers)[1];
- zpos1=iChamber1->Z();
- zpos2=iChamber2->Z();
- dstation = TMath::Abs(zpos2 - zpos1);
- // DGas decreased from standard one (0.5)
- iChamber->SetDGas(0.4); iChamber2->SetDGas(0.4);
- // DAlu increased from standard one (3% of X0),
- // because more electronics with smaller pads
- iChamber->SetDAlu(3.5 * 8.9 / 100.); iChamber2->SetDAlu(3.5 * 8.9 / 100.);
- zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
-
-//
-// Mother volume
- tpar[0] = iChamber->RInner()-dframep;
- tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
- tpar[2] = dstation/5;
-
- gMC->Gsvolu("S01M", "TUBE", idAir, tpar, 3);
- gMC->Gsvolu("S02M", "TUBE", idAir, tpar, 3);
- gMC->Gspos("S01M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
- gMC->Gspos("S02M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
-// // Aluminium frames
-// // Outer frames
-// pgpar[0] = 360/12/2;
-// pgpar[1] = 360.;
-// pgpar[2] = 12.;
-// pgpar[3] = 2;
-// pgpar[4] = -dframez/2;
-// pgpar[5] = iChamber->ROuter();
-// pgpar[6] = pgpar[5]+dframep1;
-// pgpar[7] = +dframez/2;
-// pgpar[8] = pgpar[5];
-// pgpar[9] = pgpar[6];
-// gMC->Gsvolu("S01O", "PGON", idAlu1, pgpar, 10);
-// gMC->Gsvolu("S02O", "PGON", idAlu1, pgpar, 10);
-// gMC->Gspos("S01O",1,"S01M", 0.,0.,-zfpos, 0,"ONLY");
-// gMC->Gspos("S01O",2,"S01M", 0.,0.,+zfpos, 0,"ONLY");
-// gMC->Gspos("S02O",1,"S02M", 0.,0.,-zfpos, 0,"ONLY");
-// gMC->Gspos("S02O",2,"S02M", 0.,0.,+zfpos, 0,"ONLY");
-// //
-// // Inner frame
-// tpar[0]= iChamber->RInner()-dframep1;
-// tpar[1]= iChamber->RInner();
-// tpar[2]= dframez/2;
-// gMC->Gsvolu("S01I", "TUBE", idAlu1, tpar, 3);
-// gMC->Gsvolu("S02I", "TUBE", idAlu1, tpar, 3);
-
-// gMC->Gspos("S01I",1,"S01M", 0.,0.,-zfpos, 0,"ONLY");
-// gMC->Gspos("S01I",2,"S01M", 0.,0.,+zfpos, 0,"ONLY");
-// gMC->Gspos("S02I",1,"S02M", 0.,0.,-zfpos, 0,"ONLY");
-// gMC->Gspos("S02I",2,"S02M", 0.,0.,+zfpos, 0,"ONLY");
-//
-// Frame Crosses
- if (frameCrosses) {
- // outside gas
- // security for inside mother volume
- bpar[0] = (iChamber->ROuter() - iChamber->RInner())
- * TMath::Cos(TMath::ASin(dframep1 /
- (iChamber->ROuter() - iChamber->RInner())))
- / 2.0;
- bpar[1] = dframep1/2;
- // total thickness will be (4 * bpar[2]) for each chamber,
- // which has to be equal to (2 * dframez) - DAlu
- bpar[2] = (2.0 * dframez - iChamber->DAlu()) / 4.0;
- gMC->Gsvolu("S01B", "BOX", idAlu1, bpar, 3);
- gMC->Gsvolu("S02B", "BOX", idAlu1, bpar, 3);
-
- gMC->Gspos("S01B",1,"S01M", -iChamber->RInner()-bpar[0] , 0, zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S01B",2,"S01M", iChamber->RInner()+bpar[0] , 0, zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S01B",3,"S01M", 0, -iChamber->RInner()-bpar[0] , zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S01B",4,"S01M", 0, iChamber->RInner()+bpar[0] , zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S01B",5,"S01M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S01B",6,"S01M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S01B",7,"S01M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S01B",8,"S01M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
- idrotm[1101],"ONLY");
-
- gMC->Gspos("S02B",1,"S02M", -iChamber->RInner()-bpar[0] , 0, zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S02B",2,"S02M", iChamber->RInner()+bpar[0] , 0, zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S02B",3,"S02M", 0, -iChamber->RInner()-bpar[0] , zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S02B",4,"S02M", 0, iChamber->RInner()+bpar[0] , zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S02B",5,"S02M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S02B",6,"S02M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S02B",7,"S02M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S02B",8,"S02M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
- idrotm[1101],"ONLY");
- }
-//
-// Chamber Material represented by Alu sheet
- tpar[0]= iChamber->RInner();
- tpar[1]= iChamber->ROuter();
- tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
- gMC->Gsvolu("S01A", "TUBE", idAlu2, tpar, 3);
- gMC->Gsvolu("S02A", "TUBE",idAlu2, tpar, 3);
- gMC->Gspos("S01A", 1, "S01M", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("S02A", 1, "S02M", 0., 0., 0., 0, "ONLY");
-//
-// Sensitive volumes
- // tpar[2] = iChamber->DGas();
- tpar[2] = iChamber->DGas()/2;
- gMC->Gsvolu("S01G", "TUBE", idGas, tpar, 3);
- gMC->Gsvolu("S02G", "TUBE", idGas, tpar, 3);
- gMC->Gspos("S01G", 1, "S01A", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("S02G", 1, "S02A", 0., 0., 0., 0, "ONLY");
-//
-// Frame Crosses to be placed inside gas
- // NONE: chambers are sensitive everywhere
-// if (frameCrosses) {
-
-// dr = (iChamber->ROuter() - iChamber->RInner());
-// bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2;
-// bpar[1] = dframep1/2;
-// bpar[2] = iChamber->DGas()/2;
-// gMC->Gsvolu("S01F", "BOX", idAlu1, bpar, 3);
-// gMC->Gsvolu("S02F", "BOX", idAlu1, bpar, 3);
-
-// gMC->Gspos("S01F",1,"S01G", +iChamber->RInner()+bpar[0] , 0, 0,
-// idrotm[1100],"ONLY");
-// gMC->Gspos("S01F",2,"S01G", -iChamber->RInner()-bpar[0] , 0, 0,
-// idrotm[1100],"ONLY");
-// gMC->Gspos("S01F",3,"S01G", 0, +iChamber->RInner()+bpar[0] , 0,
-// idrotm[1101],"ONLY");
-// gMC->Gspos("S01F",4,"S01G", 0, -iChamber->RInner()-bpar[0] , 0,
-// idrotm[1101],"ONLY");
-
-// gMC->Gspos("S02F",1,"S02G", +iChamber->RInner()+bpar[0] , 0, 0,
-// idrotm[1100],"ONLY");
-// gMC->Gspos("S02F",2,"S02G", -iChamber->RInner()-bpar[0] , 0, 0,
-// idrotm[1100],"ONLY");
-// gMC->Gspos("S02F",3,"S02G", 0, +iChamber->RInner()+bpar[0] , 0,
-// idrotm[1101],"ONLY");
-// gMC->Gspos("S02F",4,"S02G", 0, -iChamber->RInner()-bpar[0] , 0,
-// idrotm[1101],"ONLY");
-// }
- }
- if (fStations[1]) {
-
-//********************************************************************
-// Station 2 **
-//********************************************************************
- // indices 1 and 2 for first and second chambers in the station
- // iChamber (first chamber) kept for other quanties than Z,
- // assumed to be the same in both chambers
- iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[2];
- iChamber2 =(AliMUONChamber*) (*fChambers)[3];
- zpos1=iChamber1->Z();
- zpos2=iChamber2->Z();
- dstation = TMath::Abs(zpos2 - zpos1);
- // DGas and DAlu not changed from standard values
- zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
-
-//
-// Mother volume
- tpar[0] = iChamber->RInner()-dframep;
- tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
- tpar[2] = dstation/5;
-
- gMC->Gsvolu("S03M", "TUBE", idAir, tpar, 3);
- gMC->Gsvolu("S04M", "TUBE", idAir, tpar, 3);
- gMC->Gspos("S03M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
- gMC->Gspos("S04M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
- gMC->Gsbool("S03M", "L3DO");
- gMC->Gsbool("S03M", "L3O1");
- gMC->Gsbool("S03M", "L3O2");
- gMC->Gsbool("S04M", "L3DO");
- gMC->Gsbool("S04M", "L3O1");
- gMC->Gsbool("S04M", "L3O2");
-
-// // Aluminium frames
-// // Outer frames
-// pgpar[0] = 360/12/2;
-// pgpar[1] = 360.;
-// pgpar[2] = 12.;
-// pgpar[3] = 2;
-// pgpar[4] = -dframez/2;
-// pgpar[5] = iChamber->ROuter();
-// pgpar[6] = pgpar[5]+dframep;
-// pgpar[7] = +dframez/2;
-// pgpar[8] = pgpar[5];
-// pgpar[9] = pgpar[6];
-// gMC->Gsvolu("S03O", "PGON", idAlu1, pgpar, 10);
-// gMC->Gsvolu("S04O", "PGON", idAlu1, pgpar, 10);
-// gMC->Gspos("S03O",1,"S03M", 0.,0.,-zfpos, 0,"ONLY");
-// gMC->Gspos("S03O",2,"S03M", 0.,0.,+zfpos, 0,"ONLY");
-// gMC->Gspos("S04O",1,"S04M", 0.,0.,-zfpos, 0,"ONLY");
-// gMC->Gspos("S04O",2,"S04M", 0.,0.,+zfpos, 0,"ONLY");
-// //
-// // Inner frame
-// tpar[0]= iChamber->RInner()-dframep;
-// tpar[1]= iChamber->RInner();
-// tpar[2]= dframez/2;
-// gMC->Gsvolu("S03I", "TUBE", idAlu1, tpar, 3);
-// gMC->Gsvolu("S04I", "TUBE", idAlu1, tpar, 3);
-
-// gMC->Gspos("S03I",1,"S03M", 0.,0.,-zfpos, 0,"ONLY");
-// gMC->Gspos("S03I",2,"S03M", 0.,0.,+zfpos, 0,"ONLY");
-// gMC->Gspos("S04I",1,"S04M", 0.,0.,-zfpos, 0,"ONLY");
-// gMC->Gspos("S04I",2,"S04M", 0.,0.,+zfpos, 0,"ONLY");
-//
-// Frame Crosses
- if (frameCrosses) {
- // outside gas
- // security for inside mother volume
- bpar[0] = (iChamber->ROuter() - iChamber->RInner())
- * TMath::Cos(TMath::ASin(dframep1 /
- (iChamber->ROuter() - iChamber->RInner())))
- / 2.0;
- bpar[1] = dframep1/2;
- // total thickness will be (4 * bpar[2]) for each chamber,
- // which has to be equal to (2 * dframez) - DAlu
- bpar[2] = (2.0 * dframez - iChamber->DAlu()) / 4.0;
- gMC->Gsvolu("S03B", "BOX", idAlu1, bpar, 3);
- gMC->Gsvolu("S04B", "BOX", idAlu1, bpar, 3);
-
- gMC->Gspos("S03B",1,"S03M", -iChamber->RInner()-bpar[0] , 0, zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S03B",2,"S03M", +iChamber->RInner()+bpar[0] , 0, zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S03B",3,"S03M", 0, -iChamber->RInner()-bpar[0] , zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S03B",4,"S03M", 0, +iChamber->RInner()+bpar[0] , zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S03B",5,"S03M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S03B",6,"S03M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S03B",7,"S03M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S03B",8,"S03M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
- idrotm[1101],"ONLY");
-
- gMC->Gspos("S04B",1,"S04M", -iChamber->RInner()-bpar[0] , 0, zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S04B",2,"S04M", +iChamber->RInner()+bpar[0] , 0, zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S04B",3,"S04M", 0, -iChamber->RInner()-bpar[0] , zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S04B",4,"S04M", 0, +iChamber->RInner()+bpar[0] , zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S04B",5,"S04M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S04B",6,"S04M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
- idrotm[1100],"ONLY");
- gMC->Gspos("S04B",7,"S04M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
- idrotm[1101],"ONLY");
- gMC->Gspos("S04B",8,"S04M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
- idrotm[1101],"ONLY");
- }
-//
-// Chamber Material represented by Alu sheet
- tpar[0]= iChamber->RInner();
- tpar[1]= iChamber->ROuter();
- tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
- gMC->Gsvolu("S03A", "TUBE", idAlu2, tpar, 3);
- gMC->Gsvolu("S04A", "TUBE", idAlu2, tpar, 3);
- gMC->Gspos("S03A", 1, "S03M", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("S04A", 1, "S04M", 0., 0., 0., 0, "ONLY");
-//
-// Sensitive volumes
- // tpar[2] = iChamber->DGas();
- tpar[2] = iChamber->DGas()/2;
- gMC->Gsvolu("S03G", "TUBE", idGas, tpar, 3);
- gMC->Gsvolu("S04G", "TUBE", idGas, tpar, 3);
- gMC->Gspos("S03G", 1, "S03A", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("S04G", 1, "S04A", 0., 0., 0., 0, "ONLY");
-//
-// Frame Crosses to be placed inside gas
- // NONE: chambers are sensitive everywhere
-// if (frameCrosses) {
-
-// dr = (iChamber->ROuter() - iChamber->RInner());
-// bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2;
-// bpar[1] = dframep1/2;
-// bpar[2] = iChamber->DGas()/2;
-// gMC->Gsvolu("S03F", "BOX", idAlu1, bpar, 3);
-// gMC->Gsvolu("S04F", "BOX", idAlu1, bpar, 3);
-
-// gMC->Gspos("S03F",1,"S03G", +iChamber->RInner()+bpar[0] , 0, 0,
-// idrotm[1100],"ONLY");
-// gMC->Gspos("S03F",2,"S03G", -iChamber->RInner()-bpar[0] , 0, 0,
-// idrotm[1100],"ONLY");
-// gMC->Gspos("S03F",3,"S03G", 0, +iChamber->RInner()+bpar[0] , 0,
-// idrotm[1101],"ONLY");
-// gMC->Gspos("S03F",4,"S03G", 0, -iChamber->RInner()-bpar[0] , 0,
-// idrotm[1101],"ONLY");
-
-// gMC->Gspos("S04F",1,"S04G", +iChamber->RInner()+bpar[0] , 0, 0,
-// idrotm[1100],"ONLY");
-// gMC->Gspos("S04F",2,"S04G", -iChamber->RInner()-bpar[0] , 0, 0,
-// idrotm[1100],"ONLY");
-// gMC->Gspos("S04F",3,"S04G", 0, +iChamber->RInner()+bpar[0] , 0,
-// idrotm[1101],"ONLY");
-// gMC->Gspos("S04F",4,"S04G", 0, -iChamber->RInner()-bpar[0] , 0,
-// idrotm[1101],"ONLY");
-// }
- }
- // define the id of tracking media:
- Int_t idCopper = idtmed[1110];
- Int_t idGlass = idtmed[1111];
- Int_t idCarbon = idtmed[1112];
- Int_t idRoha = idtmed[1113];
-
- // sensitive area: 40*40 cm**2
- const Float_t sensLength = 40.;
- const Float_t sensHeight = 40.;
- const Float_t sensWidth = 0.5; // according to TDR fig 2.120
- const Int_t sensMaterial = idGas;
- const Float_t yOverlap = 1.5;
-
- // PCB dimensions in cm; width: 30 mum copper
- const Float_t pcbLength = sensLength;
- const Float_t pcbHeight = 60.;
- const Float_t pcbWidth = 0.003;
- const Int_t pcbMaterial = idCopper;
-
- // Insulating material: 200 mum glass fiber glued to pcb
- const Float_t insuLength = pcbLength;
- const Float_t insuHeight = pcbHeight;
- const Float_t insuWidth = 0.020;
- const Int_t insuMaterial = idGlass;
-
- // Carbon fiber panels: 200mum carbon/epoxy skin
- const Float_t panelLength = sensLength;
- const Float_t panelHeight = sensHeight;
- const Float_t panelWidth = 0.020;
- const Int_t panelMaterial = idCarbon;
-
- // rohacell between the two carbon panels
- const Float_t rohaLength = sensLength;
- const Float_t rohaHeight = sensHeight;
- const Float_t rohaWidth = 0.5;
- const Int_t rohaMaterial = idRoha;
-
- // Frame around the slat: 2 sticks along length,2 along height
- // H: the horizontal ones
- const Float_t hFrameLength = pcbLength;
- const Float_t hFrameHeight = 1.5;
- const Float_t hFrameWidth = sensWidth;
- const Int_t hFrameMaterial = idGlass;
-
- // V: the vertical ones
- const Float_t vFrameLength = 4.0;
- const Float_t vFrameHeight = sensHeight + hFrameHeight;
- const Float_t vFrameWidth = sensWidth;
- const Int_t vFrameMaterial = idGlass;
-
- // B: the horizontal border filled with rohacell
- const Float_t bFrameLength = hFrameLength;
- const Float_t bFrameHeight = (pcbHeight - sensHeight)/2. - hFrameHeight;
- const Float_t bFrameWidth = hFrameWidth;
- const Int_t bFrameMaterial = idRoha;
-
- // NULOC: 30 mum copper + 200 mum vetronite (same radiation length as 14mum copper)
- const Float_t nulocLength = 2.5;
- const Float_t nulocHeight = 7.5;
- const Float_t nulocWidth = 0.0030 + 0.0014; // equivalent copper width of vetronite;
- const Int_t nulocMaterial = idCopper;
-
- const Float_t slatHeight = pcbHeight;
- const Float_t slatWidth = sensWidth + 2.*(pcbWidth + insuWidth +
- 2.* panelWidth + rohaWidth);
- const Int_t slatMaterial = idAir;
- const Float_t dSlatLength = vFrameLength; // border on left and right
-
- Float_t spar[3];
- Int_t i, j;
-
- // the panel volume contains the rohacell
-
- Float_t twidth = 2 * panelWidth + rohaWidth;
- Float_t panelpar[3] = { panelLength/2., panelHeight/2., twidth/2. };
- Float_t rohapar[3] = { rohaLength/2., rohaHeight/2., rohaWidth/2. };
-
- // insulating material contains PCB-> gas-> 2 borders filled with rohacell
-
- twidth = 2*(insuWidth + pcbWidth) + sensWidth;
- Float_t insupar[3] = { insuLength/2., insuHeight/2., twidth/2. };
- twidth -= 2 * insuWidth;
- Float_t pcbpar[3] = { pcbLength/2., pcbHeight/2., twidth/2. };
- Float_t senspar[3] = { sensLength/2., sensHeight/2., sensWidth/2. };
- Float_t theight = 2*hFrameHeight + sensHeight;
- Float_t hFramepar[3]={hFrameLength/2., theight/2., hFrameWidth/2.};
- Float_t bFramepar[3]={bFrameLength/2., bFrameHeight/2., bFrameWidth/2.};
- Float_t vFramepar[3]={vFrameLength/2., vFrameHeight/2., vFrameWidth/2.};
- Float_t nulocpar[3]={nulocLength/2., nulocHeight/2., nulocWidth/2.};
- Float_t xx;
- Float_t xxmax = (bFrameLength - nulocLength)/2.;
- Int_t index=0;
-
- if (fStations[2]) {
-
-//********************************************************************
-// Station 3 **
-//********************************************************************
- // indices 1 and 2 for first and second chambers in the station
- // iChamber (first chamber) kept for other quanties than Z,
- // assumed to be the same in both chambers
- iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[4];
- iChamber2 =(AliMUONChamber*) (*fChambers)[5];
- zpos1=iChamber1->Z();
- zpos2=iChamber2->Z();
- dstation = TMath::Abs(zpos2 - zpos1);
-
-//
-// Mother volume
- tpar[0] = iChamber->RInner()-dframep;
- tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
- tpar[2] = dstation/5;
-
- char *slats5Mother = "S05M";
- char *slats6Mother = "S06M";
- Float_t zoffs5 = 0;
- Float_t zoffs6 = 0;
-
- if (gAlice->GetModule("DIPO")) {
- slats5Mother="DDIP";
- slats6Mother="DDIP";
-
- zoffs5 = TMath::Abs(zpos1);
- zoffs6 = TMath::Abs(zpos2);
- }
- else {
- gMC->Gsvolu("S05M", "TUBE", idAir, tpar, 3);
- gMC->Gsvolu("S06M", "TUBE", idAir, tpar, 3);
- gMC->Gspos("S05M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
- gMC->Gspos("S06M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
- }
-
- // volumes for slat geometry (xx=5,..,10 chamber id):
- // Sxx0 Sxx1 Sxx2 Sxx3 --> Slat Mother volumes
- // SxxG --> Sensitive volume (gas)
- // SxxP --> PCB (copper)
- // SxxI --> Insulator (vetronite)
- // SxxC --> Carbon panel
- // SxxR --> Rohacell
- // SxxH, SxxV --> Horizontal and Vertical frames (vetronite)
- // SB5x --> Volumes for the 35 cm long PCB
- // slat dimensions: slat is a MOTHER volume!!! made of air
-
- // only for chamber 5: slat 1 has a PCB shorter by 5cm!
-
- Float_t tlength = 35.;
- Float_t panelpar2[3] = { tlength/2., panelpar[1], panelpar[2]};
- Float_t rohapar2[3] = { tlength/2., rohapar[1], rohapar[2]};
- Float_t insupar2[3] = { tlength/2., insupar[1], insupar[2]};
- Float_t pcbpar2[3] = { tlength/2., pcbpar[1], pcbpar[2]};
- Float_t senspar2[3] = { tlength/2., senspar[1], senspar[2]};
- Float_t hFramepar2[3] = { tlength/2., hFramepar[1], hFramepar[2]};
- Float_t bFramepar2[3] = { tlength/2., bFramepar[1], bFramepar[2]};
-
- const Int_t nSlats3 = 5; // number of slats per quadrant
- const Int_t nPCB3[nSlats3] = {3,3,4,3,2}; // n PCB per slat
- const Float_t xpos3[nSlats3] = {31., 40., 0., 0., 0.};
- Float_t slatLength3[nSlats3];
-
- // create and position the slat (mother) volumes
-
- char volNam5[5];
- char volNam6[5];
- Float_t xSlat3;
-
- Float_t spar2[3];
- for (i = 0; i<nSlats3; i++){
- slatLength3[i] = pcbLength * nPCB3[i] + 2. * dSlatLength;
- xSlat3 = slatLength3[i]/2. - vFrameLength/2. + xpos3[i];
- if (i==1 || i==0) slatLength3[i] -= 2. *dSlatLength; // frame out in PCB with circular border
- Float_t ySlat31 = sensHeight * i - yOverlap * i;
- Float_t ySlat32 = -sensHeight * i + yOverlap * i;
- spar[0] = slatLength3[i]/2.;
- spar[1] = slatHeight/2.;
- spar[2] = slatWidth/2. * 1.01;
- // take away 5 cm from the first slat in chamber 5
- Float_t xSlat32 = 0;
- if (i==1 || i==2) { // 1 pcb is shortened by 5cm
- spar2[0] = spar[0]-5./2.;
- xSlat32 = xSlat3 - 5/2.;
- }
- else {
- spar2[0] = spar[0];
- xSlat32 = xSlat3;
- }
- spar2[1] = spar[1];
- spar2[2] = spar[2];
- Float_t dzCh3=spar[2] * 1.01;
- // zSlat to be checked (odd downstream or upstream?)
- Float_t zSlat = (i%2 ==0)? -spar[2] : spar[2];
- sprintf(volNam5,"S05%d",i);
- gMC->Gsvolu(volNam5,"BOX",slatMaterial,spar2,3);
- gMC->Gspos(volNam5, i*4+1,slats5Mother, -xSlat32, ySlat31, zoffs5-zSlat-2.*dzCh3, 0, "ONLY");
- gMC->Gspos(volNam5, i*4+2,slats5Mother, +xSlat32, ySlat31, zoffs5-zSlat+2.*dzCh3, 0, "ONLY");
-
- if (i>0) {
- gMC->Gspos(volNam5, i*4+3,slats5Mother,-xSlat32, ySlat32, zoffs5-zSlat-2.*dzCh3, 0, "ONLY");
- gMC->Gspos(volNam5, i*4+4,slats5Mother,+xSlat32, ySlat32, zoffs5-zSlat+2.*dzCh3, 0, "ONLY");
- }
- sprintf(volNam6,"S06%d",i);
- gMC->Gsvolu(volNam6,"BOX",slatMaterial,spar,3);
- gMC->Gspos(volNam6, i*4+1,slats6Mother,-xSlat3, ySlat31, zoffs6-zSlat-2.*dzCh3, 0, "ONLY");
- gMC->Gspos(volNam6, i*4+2,slats6Mother,+xSlat3, ySlat31, zoffs6-zSlat+2.*dzCh3, 0, "ONLY");
- if (i>0) {
- gMC->Gspos(volNam6, i*4+3,slats6Mother,-xSlat3, ySlat32, zoffs6-zSlat-2.*dzCh3, 0, "ONLY");
- gMC->Gspos(volNam6, i*4+4,slats6Mother,+xSlat3, ySlat32, zoffs6-zSlat+2.*dzCh3, 0, "ONLY");
- }
- }
-
- // create the panel volume
-
- gMC->Gsvolu("S05C","BOX",panelMaterial,panelpar,3);
- gMC->Gsvolu("SB5C","BOX",panelMaterial,panelpar2,3);
- gMC->Gsvolu("S06C","BOX",panelMaterial,panelpar,3);
-
- // create the rohacell volume
-
- gMC->Gsvolu("S05R","BOX",rohaMaterial,rohapar,3);
- gMC->Gsvolu("SB5R","BOX",rohaMaterial,rohapar2,3);
- gMC->Gsvolu("S06R","BOX",rohaMaterial,rohapar,3);
-
- // create the insulating material volume
-
- gMC->Gsvolu("S05I","BOX",insuMaterial,insupar,3);
- gMC->Gsvolu("SB5I","BOX",insuMaterial,insupar2,3);
- gMC->Gsvolu("S06I","BOX",insuMaterial,insupar,3);
-
- // create the PCB volume
-
- gMC->Gsvolu("S05P","BOX",pcbMaterial,pcbpar,3);
- gMC->Gsvolu("SB5P","BOX",pcbMaterial,pcbpar2,3);
- gMC->Gsvolu("S06P","BOX",pcbMaterial,pcbpar,3);
-
- // create the sensitive volumes,
- gMC->Gsvolu("S05G","BOX",sensMaterial,dum,0);
- gMC->Gsvolu("S06G","BOX",sensMaterial,dum,0);
-
-
- // create the vertical frame volume
-
- gMC->Gsvolu("S05V","BOX",vFrameMaterial,vFramepar,3);
- gMC->Gsvolu("S06V","BOX",vFrameMaterial,vFramepar,3);
-
- // create the horizontal frame volume
-
- gMC->Gsvolu("S05H","BOX",hFrameMaterial,hFramepar,3);
- gMC->Gsvolu("SB5H","BOX",hFrameMaterial,hFramepar2,3);
- gMC->Gsvolu("S06H","BOX",hFrameMaterial,hFramepar,3);
-
- // create the horizontal border volume
-
- gMC->Gsvolu("S05B","BOX",bFrameMaterial,bFramepar,3);
- gMC->Gsvolu("SB5B","BOX",bFrameMaterial,bFramepar2,3);
- gMC->Gsvolu("S06B","BOX",bFrameMaterial,bFramepar,3);
-
- index=0;
- for (i = 0; i<nSlats3; i++){
- sprintf(volNam5,"S05%d",i);
- sprintf(volNam6,"S06%d",i);
- Float_t xvFrame = (slatLength3[i] - vFrameLength)/2.;
- Float_t xvFrame2 = xvFrame;
- if ( i==1 || i ==2 ) xvFrame2 -= 5./2.;
- // position the vertical frames
- if (i!=1 && i!=0) {
- gMC->Gspos("S05V",2*i-1,volNam5, xvFrame2, 0., 0. , 0, "ONLY");
- gMC->Gspos("S05V",2*i ,volNam5,-xvFrame2, 0., 0. , 0, "ONLY");
- gMC->Gspos("S06V",2*i-1,volNam6, xvFrame, 0., 0. , 0, "ONLY");
- gMC->Gspos("S06V",2*i ,volNam6,-xvFrame, 0., 0. , 0, "ONLY");
- }
- // position the panels and the insulating material
- for (j=0; j<nPCB3[i]; j++){
- index++;
- Float_t xx = sensLength * (-nPCB3[i]/2.+j+.5);
- Float_t xx2 = xx + 5/2.;
-
- Float_t zPanel = spar[2] - panelpar[2];
- if ( (i==1 || i==2) && j == nPCB3[i]-1) { // 1 pcb is shortened by 5cm
- gMC->Gspos("SB5C",2*index-1,volNam5, xx, 0., zPanel , 0, "ONLY");
- gMC->Gspos("SB5C",2*index ,volNam5, xx, 0.,-zPanel , 0, "ONLY");
- gMC->Gspos("SB5I",index ,volNam5, xx, 0., 0 , 0, "ONLY");
- }
- else if ( (i==1 || i==2) && j < nPCB3[i]-1) {
- gMC->Gspos("S05C",2*index-1,volNam5, xx2, 0., zPanel , 0, "ONLY");
- gMC->Gspos("S05C",2*index ,volNam5, xx2, 0.,-zPanel , 0, "ONLY");
- gMC->Gspos("S05I",index ,volNam5, xx2, 0., 0 , 0, "ONLY");
- }
- else {
- gMC->Gspos("S05C",2*index-1,volNam5, xx, 0., zPanel , 0, "ONLY");
- gMC->Gspos("S05C",2*index ,volNam5, xx, 0.,-zPanel , 0, "ONLY");
- gMC->Gspos("S05I",index ,volNam5, xx, 0., 0 , 0, "ONLY");
- }
- gMC->Gspos("S06C",2*index-1,volNam6, xx, 0., zPanel , 0, "ONLY");
- gMC->Gspos("S06C",2*index ,volNam6, xx, 0.,-zPanel , 0, "ONLY");
- gMC->Gspos("S06I",index,volNam6, xx, 0., 0 , 0, "ONLY");
- }
- }
-
- // position the rohacell volume inside the panel volume
- gMC->Gspos("S05R",1,"S05C",0.,0.,0.,0,"ONLY");
- gMC->Gspos("SB5R",1,"SB5C",0.,0.,0.,0,"ONLY");
- gMC->Gspos("S06R",1,"S06C",0.,0.,0.,0,"ONLY");
-
- // position the PCB volume inside the insulating material volume
- gMC->Gspos("S05P",1,"S05I",0.,0.,0.,0,"ONLY");
- gMC->Gspos("SB5P",1,"SB5I",0.,0.,0.,0,"ONLY");
- gMC->Gspos("S06P",1,"S06I",0.,0.,0.,0,"ONLY");
- // position the horizontal frame volume inside the PCB volume
- gMC->Gspos("S05H",1,"S05P",0.,0.,0.,0,"ONLY");
- gMC->Gspos("SB5H",1,"SB5P",0.,0.,0.,0,"ONLY");
- gMC->Gspos("S06H",1,"S06P",0.,0.,0.,0,"ONLY");
- // position the sensitive volume inside the horizontal frame volume
- gMC->Gsposp("S05G",1,"S05H",0.,0.,0.,0,"ONLY",senspar,3);
- gMC->Gsposp("S05G",1,"SB5H",0.,0.,0.,0,"ONLY",senspar2,3);
- gMC->Gsposp("S06G",1,"S06H",0.,0.,0.,0,"ONLY",senspar,3);
- // position the border volumes inside the PCB volume
- Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.;
- gMC->Gspos("S05B",1,"S05P",0., yborder,0.,0,"ONLY");
- gMC->Gspos("S05B",2,"S05P",0.,-yborder,0.,0,"ONLY");
- gMC->Gspos("SB5B",1,"SB5P",0., yborder,0.,0,"ONLY");
- gMC->Gspos("SB5B",2,"SB5P",0.,-yborder,0.,0,"ONLY");
- gMC->Gspos("S06B",1,"S06P",0., yborder,0.,0,"ONLY");
- gMC->Gspos("S06B",2,"S06P",0.,-yborder,0.,0,"ONLY");
-
- // create the NULOC volume and position it in the horizontal frame
-
- gMC->Gsvolu("S05N","BOX",nulocMaterial,nulocpar,3);
- gMC->Gsvolu("S06N","BOX",nulocMaterial,nulocpar,3);
- index = 0;
- Float_t xxmax2 = xxmax - 5./2.;
- for (xx = -xxmax; xx<=xxmax; xx+=2*nulocLength) {
- index++;
- gMC->Gspos("S05N",2*index-1,"S05B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
- gMC->Gspos("S05N",2*index ,"S05B", xx, 0., bFrameWidth/4., 0, "ONLY");
- if (xx > -xxmax2 && xx< xxmax2) {
- gMC->Gspos("S05N",2*index-1,"SB5B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
- gMC->Gspos("S05N",2*index ,"SB5B", xx, 0., bFrameWidth/4., 0, "ONLY");
- }
- gMC->Gspos("S06N",2*index-1,"S06B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
- gMC->Gspos("S06N",2*index ,"S06B", xx, 0., bFrameWidth/4., 0, "ONLY");
- }
-
- // position the volumes approximating the circular section of the pipe
- Float_t yoffs = sensHeight/2. - yOverlap;
- Float_t epsilon = 0.001;
- Int_t ndiv=6;
- Float_t divpar[3];
- Double_t dydiv= sensHeight/ndiv;
- Double_t ydiv = yoffs -dydiv;
- Int_t imax=0;
- imax = 1;
- Float_t rmin = 33.;
- Float_t z1 = spar[2], z2=2*spar[2]*1.01;
- for (Int_t idiv=0;idiv<ndiv; idiv++){
- ydiv+= dydiv;
- Float_t xdiv = 0.;
- if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) );
- divpar[0] = (pcbLength-xdiv)/2.;
- divpar[1] = dydiv/2. - epsilon;
- divpar[2] = sensWidth/2.;
- Float_t xvol=(pcbLength+xdiv)/2.+1.999;
- Float_t yvol=ydiv + dydiv/2.;
- //printf ("y ll = %f y ur = %f \n",yvol - divpar[1], yvol + divpar[1]);
- gMC->Gsposp("S05G",imax+4*idiv+1,slats5Mother,-xvol, yvol, zoffs5-z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S06G",imax+4*idiv+1,slats6Mother,-xvol, yvol, zoffs6-z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S05G",imax+4*idiv+2,slats5Mother,-xvol,-yvol, zoffs5-z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S06G",imax+4*idiv+2,slats6Mother,-xvol,-yvol, zoffs6-z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S05G",imax+4*idiv+3,slats5Mother,+xvol, yvol, zoffs5-z1+z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S06G",imax+4*idiv+3,slats6Mother,+xvol, yvol, zoffs6-z1+z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S05G",imax+4*idiv+4,slats5Mother,+xvol,-yvol, zoffs5-z1+z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S06G",imax+4*idiv+4,slats6Mother,+xvol,-yvol, zoffs6-z1+z2, 0, "ONLY",divpar,3);
- }
- }
-
- if (fStations[3]) {
-
-//********************************************************************
-// Station 4 **
-//********************************************************************
- // indices 1 and 2 for first and second chambers in the station
- // iChamber (first chamber) kept for other quanties than Z,
- // assumed to be the same in both chambers
- iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[6];
- iChamber2 =(AliMUONChamber*) (*fChambers)[7];
- zpos1=iChamber1->Z();
- zpos2=iChamber2->Z();
- dstation = TMath::Abs(zpos2 - zpos1);
-// zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; // not used any more
-
-//
-// Mother volume
- tpar[0] = iChamber->RInner()-dframep;
- tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
- tpar[2] = dstation/4;
-
- gMC->Gsvolu("S07M", "TUBE", idAir, tpar, 3);
- gMC->Gsvolu("S08M", "TUBE", idAir, tpar, 3);
- gMC->Gspos("S07M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
- gMC->Gspos("S08M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
-
-
- const Int_t nSlats4 = 6; // number of slats per quadrant
- const Int_t nPCB4[nSlats4] = {4,4,5,5,4,3}; // n PCB per slat
- const Float_t xpos4[nSlats4] = {38.5, 40., 0., 0., 0., 0.};
- Float_t slatLength4[nSlats4];
-
- // create and position the slat (mother) volumes
-
- char volNam7[5];
- char volNam8[5];
- Float_t xSlat4;
- Float_t ySlat4;
-
- for (i = 0; i<nSlats4; i++){
- slatLength4[i] = pcbLength * nPCB4[i] + 2. * dSlatLength;
- xSlat4 = slatLength4[i]/2. - vFrameLength/2. + xpos4[i];
- if (i==1) slatLength4[i] -= 2. *dSlatLength; // frame out in PCB with circular border
- ySlat4 = sensHeight * i - yOverlap *i;
-
- spar[0] = slatLength4[i]/2.;
- spar[1] = slatHeight/2.;
- spar[2] = slatWidth/2.*1.01;
- Float_t dzCh4=spar[2]*1.01;
- // zSlat to be checked (odd downstream or upstream?)
- Float_t zSlat = (i%2 ==0)? spar[2] : -spar[2];
- sprintf(volNam7,"S07%d",i);
- gMC->Gsvolu(volNam7,"BOX",slatMaterial,spar,3);
- gMC->Gspos(volNam7, i*4+1,"S07M",-xSlat4, ySlat4, -zSlat-2.*dzCh4, 0, "ONLY");
- gMC->Gspos(volNam7, i*4+2,"S07M",+xSlat4, ySlat4, -zSlat+2.*dzCh4, 0, "ONLY");
- if (i>0) {
- gMC->Gspos(volNam7, i*4+3,"S07M",-xSlat4,-ySlat4, -zSlat-2.*dzCh4, 0, "ONLY");
- gMC->Gspos(volNam7, i*4+4,"S07M",+xSlat4,-ySlat4, -zSlat+2.*dzCh4, 0, "ONLY");
- }
- sprintf(volNam8,"S08%d",i);
- gMC->Gsvolu(volNam8,"BOX",slatMaterial,spar,3);
- gMC->Gspos(volNam8, i*4+1,"S08M",-xSlat4, ySlat4, -zSlat-2.*dzCh4, 0, "ONLY");
- gMC->Gspos(volNam8, i*4+2,"S08M",+xSlat4, ySlat4, -zSlat+2.*dzCh4, 0, "ONLY");
- if (i>0) {
- gMC->Gspos(volNam8, i*4+3,"S08M",-xSlat4,-ySlat4, -zSlat-2.*dzCh4, 0, "ONLY");
- gMC->Gspos(volNam8, i*4+4,"S08M",+xSlat4,-ySlat4, -zSlat+2.*dzCh4, 0, "ONLY");
- }
- }
-
-
- // create the panel volume
-
- gMC->Gsvolu("S07C","BOX",panelMaterial,panelpar,3);
- gMC->Gsvolu("S08C","BOX",panelMaterial,panelpar,3);
-
- // create the rohacell volume
-
- gMC->Gsvolu("S07R","BOX",rohaMaterial,rohapar,3);
- gMC->Gsvolu("S08R","BOX",rohaMaterial,rohapar,3);
-
- // create the insulating material volume
-
- gMC->Gsvolu("S07I","BOX",insuMaterial,insupar,3);
- gMC->Gsvolu("S08I","BOX",insuMaterial,insupar,3);
-
- // create the PCB volume
-
- gMC->Gsvolu("S07P","BOX",pcbMaterial,pcbpar,3);
- gMC->Gsvolu("S08P","BOX",pcbMaterial,pcbpar,3);
-
- // create the sensitive volumes,
-
- gMC->Gsvolu("S07G","BOX",sensMaterial,dum,0);
- gMC->Gsvolu("S08G","BOX",sensMaterial,dum,0);
-
- // create the vertical frame volume
-
- gMC->Gsvolu("S07V","BOX",vFrameMaterial,vFramepar,3);
- gMC->Gsvolu("S08V","BOX",vFrameMaterial,vFramepar,3);
-
- // create the horizontal frame volume
-
- gMC->Gsvolu("S07H","BOX",hFrameMaterial,hFramepar,3);
- gMC->Gsvolu("S08H","BOX",hFrameMaterial,hFramepar,3);
-
- // create the horizontal border volume
-
- gMC->Gsvolu("S07B","BOX",bFrameMaterial,bFramepar,3);
- gMC->Gsvolu("S08B","BOX",bFrameMaterial,bFramepar,3);
-
- index=0;
- for (i = 0; i<nSlats4; i++){
- sprintf(volNam7,"S07%d",i);
- sprintf(volNam8,"S08%d",i);
- Float_t xvFrame = (slatLength4[i] - vFrameLength)/2.;
- // position the vertical frames
- if (i!=1 && i!=0) {
- gMC->Gspos("S07V",2*i-1,volNam7, xvFrame, 0., 0. , 0, "ONLY");
- gMC->Gspos("S07V",2*i ,volNam7,-xvFrame, 0., 0. , 0, "ONLY");
- gMC->Gspos("S08V",2*i-1,volNam8, xvFrame, 0., 0. , 0, "ONLY");
- gMC->Gspos("S08V",2*i ,volNam8,-xvFrame, 0., 0. , 0, "ONLY");
- }
- // position the panels and the insulating material
- for (j=0; j<nPCB4[i]; j++){
- index++;
- Float_t xx = sensLength * (-nPCB4[i]/2.+j+.5);
-
- Float_t zPanel = spar[2] - panelpar[2];
- gMC->Gspos("S07C",2*index-1,volNam7, xx, 0., zPanel , 0, "ONLY");
- gMC->Gspos("S07C",2*index ,volNam7, xx, 0.,-zPanel , 0, "ONLY");
- gMC->Gspos("S08C",2*index-1,volNam8, xx, 0., zPanel , 0, "ONLY");
- gMC->Gspos("S08C",2*index ,volNam8, xx, 0.,-zPanel , 0, "ONLY");
-
- gMC->Gspos("S07I",index,volNam7, xx, 0., 0 , 0, "ONLY");
- gMC->Gspos("S08I",index,volNam8, xx, 0., 0 , 0, "ONLY");
- }
- }
-
- // position the rohacell volume inside the panel volume
- gMC->Gspos("S07R",1,"S07C",0.,0.,0.,0,"ONLY");
- gMC->Gspos("S08R",1,"S08C",0.,0.,0.,0,"ONLY");
-
- // position the PCB volume inside the insulating material volume
- gMC->Gspos("S07P",1,"S07I",0.,0.,0.,0,"ONLY");
- gMC->Gspos("S08P",1,"S08I",0.,0.,0.,0,"ONLY");
- // position the horizontal frame volume inside the PCB volume
- gMC->Gspos("S07H",1,"S07P",0.,0.,0.,0,"ONLY");
- gMC->Gspos("S08H",1,"S08P",0.,0.,0.,0,"ONLY");
- // position the sensitive volume inside the horizontal frame volume
- gMC->Gsposp("S07G",1,"S07H",0.,0.,0.,0,"ONLY",senspar,3);
- gMC->Gsposp("S08G",1,"S08H",0.,0.,0.,0,"ONLY",senspar,3);
- // position the border volumes inside the PCB volume
- Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.;
- gMC->Gspos("S07B",1,"S07P",0., yborder,0.,0,"ONLY");
- gMC->Gspos("S07B",2,"S07P",0.,-yborder,0.,0,"ONLY");
- gMC->Gspos("S08B",1,"S08P",0., yborder,0.,0,"ONLY");
- gMC->Gspos("S08B",2,"S08P",0.,-yborder,0.,0,"ONLY");
-
- // create the NULOC volume and position it in the horizontal frame
-
- gMC->Gsvolu("S07N","BOX",nulocMaterial,nulocpar,3);
- gMC->Gsvolu("S08N","BOX",nulocMaterial,nulocpar,3);
- index = 0;
- for (xx = -xxmax; xx<=xxmax; xx+=2*nulocLength) {
- index++;
- gMC->Gspos("S07N",2*index-1,"S07B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
- gMC->Gspos("S07N",2*index ,"S07B", xx, 0., bFrameWidth/4., 0, "ONLY");
- gMC->Gspos("S08N",2*index-1,"S08B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
- gMC->Gspos("S08N",2*index ,"S08B", xx, 0., bFrameWidth/4., 0, "ONLY");
- }
-
- // position the volumes approximating the circular section of the pipe
- Float_t yoffs = sensHeight/2. - yOverlap;
- Float_t epsilon = 0.001;
- Int_t ndiv=6;
- Float_t divpar[3];
- Double_t dydiv= sensHeight/ndiv;
- Double_t ydiv = yoffs -dydiv;
- Int_t imax=0;
- imax = 1;
- Float_t rmin = 40.;
- Float_t z1 = -spar[2], z2=2*spar[2]*1.01;
- for (Int_t idiv=0;idiv<ndiv; idiv++){
- ydiv+= dydiv;
- Float_t xdiv = 0.;
- if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) );
- divpar[0] = (pcbLength-xdiv)/2.;
- divpar[1] = dydiv/2. - epsilon;
- divpar[2] = sensWidth/2.;
- Float_t xvol=(pcbLength+xdiv)/2.+1.999;
- Float_t yvol=ydiv + dydiv/2.;
- gMC->Gsposp("S07G",imax+4*idiv+1,"S07M", -xvol, yvol, -z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S08G",imax+4*idiv+1,"S08M", -xvol, yvol, -z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S07G",imax+4*idiv+2,"S07M", -xvol,-yvol, -z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S08G",imax+4*idiv+2,"S08M", -xvol,-yvol, -z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S07G",imax+4*idiv+3,"S07M", xvol, yvol, -z1+z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S08G",imax+4*idiv+3,"S08M", xvol, yvol, -z1+z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S07G",imax+4*idiv+4,"S07M", xvol,-yvol, -z1+z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S08G",imax+4*idiv+4,"S08M", xvol,-yvol, -z1+z2, 0, "ONLY",divpar,3);
- }
-
-
-
-
-
- }
-
- if (fStations[4]) {
-
-
-//********************************************************************
-// Station 5 **
-//********************************************************************
- // indices 1 and 2 for first and second chambers in the station
- // iChamber (first chamber) kept for other quanties than Z,
- // assumed to be the same in both chambers
- iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[8];
- iChamber2 =(AliMUONChamber*) (*fChambers)[9];
- zpos1=iChamber1->Z();
- zpos2=iChamber2->Z();
- dstation = TMath::Abs(zpos2 - zpos1);
-// zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; // not used any more
-
-//
-// Mother volume
- tpar[0] = iChamber->RInner()-dframep;
- tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
- tpar[2] = dstation/5.;
-
- gMC->Gsvolu("S09M", "TUBE", idAir, tpar, 3);
- gMC->Gsvolu("S10M", "TUBE", idAir, tpar, 3);
- gMC->Gspos("S09M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
- gMC->Gspos("S10M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
-
-
- const Int_t nSlats5 = 7; // number of slats per quadrant
- const Int_t nPCB5[nSlats5] = {5,5,6,6,5,4,3}; // n PCB per slat
- const Float_t xpos5[nSlats5] = {38.5, 40., 0., 0., 0., 0., 0.};
- Float_t slatLength5[nSlats5];
- char volNam9[5];
- char volNam10[5];
- Float_t xSlat5;
- Float_t ySlat5;
-
- for (i = 0; i<nSlats5; i++){
- slatLength5[i] = pcbLength * nPCB5[i] + 2. * dSlatLength;
- xSlat5 = slatLength5[i]/2. - vFrameLength/2. +xpos5[i];
- if (i==1 || i==0) slatLength5[i] -= 2. *dSlatLength; // frame out in PCB with circular border
- ySlat5 = sensHeight * i - yOverlap * i;
- spar[0] = slatLength5[i]/2.;
- spar[1] = slatHeight/2.;
- spar[2] = slatWidth/2. * 1.01;
- Float_t dzCh5=spar[2]*1.01;
- // zSlat to be checked (odd downstream or upstream?)
- Float_t zSlat = (i%2 ==0)? -spar[2] : spar[2];
- sprintf(volNam9,"S09%d",i);
- gMC->Gsvolu(volNam9,"BOX",slatMaterial,spar,3);
- gMC->Gspos(volNam9, i*4+1,"S09M",-xSlat5, ySlat5, -zSlat-2.*dzCh5, 0, "ONLY");
- gMC->Gspos(volNam9, i*4+2,"S09M",+xSlat5, ySlat5, -zSlat+2.*dzCh5, 0, "ONLY");
- if (i>0) {
- gMC->Gspos(volNam9, i*4+3,"S09M",-xSlat5,-ySlat5, -zSlat-2.*dzCh5, 0, "ONLY");
- gMC->Gspos(volNam9, i*4+4,"S09M",+xSlat5,-ySlat5, -zSlat+2.*dzCh5, 0, "ONLY");
- }
- sprintf(volNam10,"S10%d",i);
- gMC->Gsvolu(volNam10,"BOX",slatMaterial,spar,3);
- gMC->Gspos(volNam10, i*4+1,"S10M",-xSlat5, ySlat5, -zSlat-2.*dzCh5, 0, "ONLY");
- gMC->Gspos(volNam10, i*4+2,"S10M",+xSlat5, ySlat5, -zSlat+2.*dzCh5, 0, "ONLY");
- if (i>0) {
- gMC->Gspos(volNam10, i*4+3,"S10M",-xSlat5,-ySlat5, -zSlat-2.*dzCh5, 0, "ONLY");
- gMC->Gspos(volNam10, i*4+4,"S10M",+xSlat5,-ySlat5, -zSlat+2.*dzCh5, 0, "ONLY");
- }
- }
-
- // create the panel volume
-
- gMC->Gsvolu("S09C","BOX",panelMaterial,panelpar,3);
- gMC->Gsvolu("S10C","BOX",panelMaterial,panelpar,3);
-
- // create the rohacell volume
-
- gMC->Gsvolu("S09R","BOX",rohaMaterial,rohapar,3);
- gMC->Gsvolu("S10R","BOX",rohaMaterial,rohapar,3);
-
- // create the insulating material volume
-
- gMC->Gsvolu("S09I","BOX",insuMaterial,insupar,3);
- gMC->Gsvolu("S10I","BOX",insuMaterial,insupar,3);
-
- // create the PCB volume
-
- gMC->Gsvolu("S09P","BOX",pcbMaterial,pcbpar,3);
- gMC->Gsvolu("S10P","BOX",pcbMaterial,pcbpar,3);
-
- // create the sensitive volumes,
-
- gMC->Gsvolu("S09G","BOX",sensMaterial,dum,0);
- gMC->Gsvolu("S10G","BOX",sensMaterial,dum,0);
-
- // create the vertical frame volume
-
- gMC->Gsvolu("S09V","BOX",vFrameMaterial,vFramepar,3);
- gMC->Gsvolu("S10V","BOX",vFrameMaterial,vFramepar,3);
-
- // create the horizontal frame volume
-
- gMC->Gsvolu("S09H","BOX",hFrameMaterial,hFramepar,3);
- gMC->Gsvolu("S10H","BOX",hFrameMaterial,hFramepar,3);
-
- // create the horizontal border volume
-
- gMC->Gsvolu("S09B","BOX",bFrameMaterial,bFramepar,3);
- gMC->Gsvolu("S10B","BOX",bFrameMaterial,bFramepar,3);
-
- index=0;
- for (i = 0; i<nSlats5; i++){
- sprintf(volNam9,"S09%d",i);
- sprintf(volNam10,"S10%d",i);
- Float_t xvFrame = (slatLength5[i] - vFrameLength)/2.;
- // position the vertical frames
- if (i!=1 && i!=0) {
- gMC->Gspos("S09V",2*i-1,volNam9, xvFrame, 0., 0. , 0, "ONLY");
- gMC->Gspos("S09V",2*i ,volNam9,-xvFrame, 0., 0. , 0, "ONLY");
- gMC->Gspos("S10V",2*i-1,volNam10, xvFrame, 0., 0. , 0, "ONLY");
- gMC->Gspos("S10V",2*i ,volNam10,-xvFrame, 0., 0. , 0, "ONLY");
- }
-
- // position the panels and the insulating material
- for (j=0; j<nPCB5[i]; j++){
- index++;
- Float_t xx = sensLength * (-nPCB5[i]/2.+j+.5);
-
- Float_t zPanel = spar[2] - panelpar[2];
- gMC->Gspos("S09C",2*index-1,volNam9, xx, 0., zPanel , 0, "ONLY");
- gMC->Gspos("S09C",2*index ,volNam9, xx, 0.,-zPanel , 0, "ONLY");
- gMC->Gspos("S10C",2*index-1,volNam10, xx, 0., zPanel , 0, "ONLY");
- gMC->Gspos("S10C",2*index ,volNam10, xx, 0.,-zPanel , 0, "ONLY");
-
- gMC->Gspos("S09I",index,volNam9, xx, 0., 0 , 0, "ONLY");
- gMC->Gspos("S10I",index,volNam10, xx, 0., 0 , 0, "ONLY");
- }
- }
-
- // position the rohacell volume inside the panel volume
- gMC->Gspos("S09R",1,"S09C",0.,0.,0.,0,"ONLY");
- gMC->Gspos("S10R",1,"S10C",0.,0.,0.,0,"ONLY");
-
- // position the PCB volume inside the insulating material volume
- gMC->Gspos("S09P",1,"S09I",0.,0.,0.,0,"ONLY");
- gMC->Gspos("S10P",1,"S10I",0.,0.,0.,0,"ONLY");
- // position the horizontal frame volume inside the PCB volume
- gMC->Gspos("S09H",1,"S09P",0.,0.,0.,0,"ONLY");
- gMC->Gspos("S10H",1,"S10P",0.,0.,0.,0,"ONLY");
- // position the sensitive volume inside the horizontal frame volume
- gMC->Gsposp("S09G",1,"S09H",0.,0.,0.,0,"ONLY",senspar,3);
- gMC->Gsposp("S10G",1,"S10H",0.,0.,0.,0,"ONLY",senspar,3);
- // position the border volumes inside the PCB volume
- Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.;
- gMC->Gspos("S09B",1,"S09P",0., yborder,0.,0,"ONLY");
- gMC->Gspos("S09B",2,"S09P",0.,-yborder,0.,0,"ONLY");
- gMC->Gspos("S10B",1,"S10P",0., yborder,0.,0,"ONLY");
- gMC->Gspos("S10B",2,"S10P",0.,-yborder,0.,0,"ONLY");
-
- // create the NULOC volume and position it in the horizontal frame
-
- gMC->Gsvolu("S09N","BOX",nulocMaterial,nulocpar,3);
- gMC->Gsvolu("S10N","BOX",nulocMaterial,nulocpar,3);
- index = 0;
- for (xx = -xxmax; xx<=xxmax; xx+=2*nulocLength) {
- index++;
- gMC->Gspos("S09N",2*index-1,"S09B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
- gMC->Gspos("S09N",2*index ,"S09B", xx, 0., bFrameWidth/4., 0, "ONLY");
- gMC->Gspos("S10N",2*index-1,"S10B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
- gMC->Gspos("S10N",2*index ,"S10B", xx, 0., bFrameWidth/4., 0, "ONLY");
- }
- // position the volumes approximating the circular section of the pipe
- Float_t yoffs = sensHeight/2. - yOverlap;
- Float_t epsilon = 0.001;
- Int_t ndiv=6;
- Float_t divpar[3];
- Double_t dydiv= sensHeight/ndiv;
- Double_t ydiv = yoffs -dydiv;
- Int_t imax=0;
- // for (Int_t islat=0; islat<nSlats3; islat++) imax += nPCB3[islat];
- imax = 1;
- Float_t rmin = 40.;
- Float_t z1 = spar[2], z2=2*spar[2]*1.01;
- for (Int_t idiv=0;idiv<ndiv; idiv++){
- ydiv+= dydiv;
- Float_t xdiv = 0.;
- if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) );
- divpar[0] = (pcbLength-xdiv)/2.;
- divpar[1] = dydiv/2. - epsilon;
- divpar[2] = sensWidth/2.;
- Float_t xvol=(pcbLength+xdiv)/2. + 1.999;
- Float_t yvol=ydiv + dydiv/2.;
- gMC->Gsposp("S09G",imax+4*idiv+1,"S09M", -xvol, yvol, -z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S10G",imax+4*idiv+1,"S10M", -xvol, yvol, -z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S09G",imax+4*idiv+2,"S09M", -xvol,-yvol, -z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S10G",imax+4*idiv+2,"S10M", -xvol,-yvol, -z1-z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S09G",imax+4*idiv+3,"S09M", +xvol, yvol, -z1+z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S10G",imax+4*idiv+3,"S10M", +xvol, yvol, -z1+z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S09G",imax+4*idiv+4,"S09M", +xvol,-yvol, -z1+z2, 0, "ONLY",divpar,3);
- gMC->Gsposp("S10G",imax+4*idiv+4,"S10M", +xvol,-yvol, -z1+z2, 0, "ONLY",divpar,3);
- }
-
- }
-
-//********************************************************************
-// Trigger **
-//********************************************************************
- /*
- zpos1 and zpos2 are the middle of the first and second
- planes of station 1 (+1m for second station):
- zpos1=(zpos1m+zpos1p)/2=(15999+16071)/2=16035 mm, thick/2=40 mm
- zpos2=(zpos2m+zpos2p)/2=(16169+16241)/2=16205 mm, thick/2=40 mm
- zposxm and zposxp= middles of gaz gaps within a detection plane
- rem: the total thickness accounts for 1 mm of al on both
- side of the RPCs (see zpos1 and zpos2)
- */
-
-// vertical gap between right and left chambers (kDXZERO*2=4cm)
- const Float_t kDXZERO=2.;
-// main distances for chamber definition in first plane/first station
- const Float_t kXMIN=34.;
- const Float_t kXMED=51.;
- const Float_t kXMAX=272.;
-// kXMAX will become 255. in real life. segmentation to be updated accordingly
-// (see fig.2-4 & 2-5 of Local Trigger Board PRR)
- const Float_t kYMIN=34.;
- const Float_t kYMAX=51.;
-// inner/outer radius of flange between beam shield. and chambers (1/station)
- const Float_t kRMIN[2]={50.,50.};
- const Float_t kRMAX[2]={64.,68.};
-// z position of the middle of the gas gap in mother vol
- const Float_t kZm=-3.6;
- const Float_t kZp=+3.6;
-
- iChamber1 = (AliMUONChamber*) (*fChambers)[10];
- zpos1 = iChamber1->Z();
-
-// ratio of zpos1m/zpos1p and inverse for first plane
- Float_t zmp=(zpos1+3.6)/(zpos1-3.6);
- Float_t zpm=1./zmp;
-
- Int_t icount=0; // chamber counter (0 1 2 3)
-
- for (Int_t istation=0; istation<2; istation++) { // loop on stations
- for (Int_t iplane=0; iplane<2; iplane++) { // loop on detection planes
-
- Int_t iVolNum=1; // counter Volume Number
- icount = Int_t(iplane*TMath::Power(2,0))+
- Int_t(istation*TMath::Power(2,1));
-
- char volPlane[5];
- sprintf(volPlane,"SM%d%d",istation+1,iplane+1);
-
- iChamber = (AliMUONChamber*) (*fChambers)[10+icount];
- Float_t zpos = iChamber->Z();
-
-// mother volume
- tpar[0] = iChamber->RInner();
- tpar[1] = iChamber->ROuter();
- tpar[2] = 4.0;
- gMC->Gsvolu(volPlane,"TUBE",idAir,tpar,3);
-
-// Flange between beam shielding and RPC
- tpar[0]= kRMIN[istation];
- tpar[1]= kRMAX[istation];
- tpar[2]= 4.0;
-
- char volFlange[5];
- sprintf(volFlange,"SF%dA",icount+1);
- gMC->Gsvolu(volFlange,"TUBE",idAlu1,tpar,3); //Al
- gMC->Gspos(volFlange,1,volPlane,0.,0.,0.,0,"MANY");
-
-// scaling factor
- Float_t zRatio = zpos / zpos1;
-
-// chamber prototype
- tpar[0]= 0.;
- tpar[1]= 0.;
- tpar[2]= 0.;
-
- char volAlu[5]; // Alu
- char volBak[5]; // Bakelite
- char volGaz[5]; // Gas streamer
-
- sprintf(volAlu,"SC%dA",icount+1);
- sprintf(volBak,"SB%dA",icount+1);
- sprintf(volGaz,"SG%dA",icount+1);
-
- gMC->Gsvolu(volAlu,"BOX",idAlu1,tpar,0); // Al
- gMC->Gsvolu(volBak,"BOX",idtmed[1107],tpar,0); // Bakelite
- gMC->Gsvolu(volGaz,"BOX",idtmed[1106],tpar,0); // Gas streamer
-
-// chamber type A
- tpar[0] = -1.;
- tpar[1] = -1.;
-
- Float_t xA=(kDXZERO+kXMED+(kXMAX-kXMED)/2.)*zRatio;
- Float_t yAm=0.;
- Float_t yAp=0.;
-
- tpar[2] = 0.1;
- gMC->Gsposp(volGaz,1,volBak,0.,0.,0.,0,"ONLY",tpar,3);
- tpar[2] = 0.3;
- gMC->Gsposp(volBak,1,volAlu,0.,0.,0.,0,"ONLY",tpar,3);
-
- tpar[2] = 0.4;
- tpar[0] = ((kXMAX-kXMED)/2.)*zRatio;
- tpar[1] = kYMIN*zRatio;
-
- gMC->Gsposp(volAlu,iVolNum++,volPlane, -xA,yAm,-kZm,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xA,yAp,-kZp,0,"ONLY",tpar,3);
- gMC->Gsbool(volAlu,volFlange);
-
-// chamber type B
- Float_t tpar1save=tpar[1];
- Float_t y1msave=yAm;
- Float_t y1psave=yAp;
-
- tpar[0] = ((kXMAX-kXMIN)/2.) * zRatio;
- tpar[1] = ((kYMAX-kYMIN)/2.) * zRatio;
-
- Float_t xB=(kDXZERO+kXMIN)*zRatio+tpar[0];
- Float_t yBp=(y1msave+tpar1save)*zpm+tpar[1];
- Float_t yBm=(y1psave+tpar1save)*zmp+tpar[1];
-
- gMC->Gsposp(volAlu,iVolNum++,volPlane, -xB, yBp,-kZp,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xB, yBm,-kZm,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, -xB,-yBp,-kZp,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xB,-yBm,-kZm,0,"ONLY",tpar,3);
-
-// chamber type C (note : same Z than type B)
- tpar1save=tpar[1];
- y1msave=yBm;
- y1psave=yBp;
-
- tpar[0] = (kXMAX/2)*zRatio;
- tpar[1] = (kYMAX/2)*zRatio;
-
- Float_t xC=kDXZERO*zRatio+tpar[0];
- Float_t yCp=(y1psave+tpar1save)*1.+tpar[1];
- Float_t yCm=(y1msave+tpar1save)*1.+tpar[1];
-
- gMC->Gsposp(volAlu,iVolNum++,volPlane,-xC, yCp,-kZp,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xC, yCm,-kZm,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane,-xC,-yCp,-kZp,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xC,-yCm,-kZm,0,"ONLY",tpar,3);
-
-// chamber type D, E and F (same size)
- tpar1save=tpar[1];
- y1msave=yCm;
- y1psave=yCp;
-
- tpar[0] = (kXMAX/2.)*zRatio;
- tpar[1] = kYMIN*zRatio;
-
- Float_t xD=kDXZERO*zRatio+tpar[0];
- Float_t yDp=(y1msave+tpar1save)*zpm+tpar[1];
- Float_t yDm=(y1psave+tpar1save)*zmp+tpar[1];
-
- gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD, yDm,-kZm,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xD, yDp,-kZp,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD,-yDm,-kZm,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xD,-yDp,-kZp,0,"ONLY",tpar,3);
-
- tpar1save=tpar[1];
- y1msave=yDm;
- y1psave=yDp;
- Float_t yEp=(y1msave+tpar1save)*zpm+tpar[1];
- Float_t yEm=(y1psave+tpar1save)*zmp+tpar[1];
-
- gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD, yEp,-kZp,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xD, yEm,-kZm,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD,-yEp,-kZp,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xD,-yEm,-kZm,0,"ONLY",tpar,3);
-
- tpar1save=tpar[1];
- y1msave=yEm;
- y1psave=yEp;
- Float_t yFp=(y1msave+tpar1save)*zpm+tpar[1];
- Float_t yFm=(y1psave+tpar1save)*zmp+tpar[1];
-
- gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD, yFm,-kZm,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xD, yFp,-kZp,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD,-yFm,-kZm,0,"ONLY",tpar,3);
- gMC->Gsposp(volAlu,iVolNum++,volPlane, xD,-yFp,-kZp,0,"ONLY",tpar,3);
+/// Destructor
+
+ AliDebug(1,Form("dtor this=%p",this));
+ delete [] fStepSum;
+ delete [] fDestepSum;
+ delete fElossRatio;
+ delete fAngleEffect10;
+ delete fAngleEffectNorma;
+ delete fMagAngleEffectNorma;
+}
-// Positioning plane in ALICE
- gMC->Gspos(volPlane,1,"ALIC",0.,0.,zpos,0,"ONLY");
-
- } // end loop on detection planes
- } // end loop on stations
+//__________________________________________________
+void AliMUONv1::CreateGeometry()
+{
+/// Construct geometry using geometry builder
+ fGeometryBuilder->CreateGeometry();
}
-
-//___________________________________________
+//________________________________________________________________
void AliMUONv1::CreateMaterials()
{
- // *** DEFINITION OF AVAILABLE MUON MATERIALS ***
- //
- // Ar-CO2 gas (80%+20%)
- Float_t ag1[3] = { 39.95,12.01,16. };
- Float_t zg1[3] = { 18.,6.,8. };
- Float_t wg1[3] = { .8,.0667,.13333 };
- Float_t dg1 = .001821;
- //
- // Ar-buthane-freon gas -- trigger chambers
- Float_t atr1[4] = { 39.95,12.01,1.01,19. };
- Float_t ztr1[4] = { 18.,6.,1.,9. };
- Float_t wtr1[4] = { .56,.1262857,.2857143,.028 };
- Float_t dtr1 = .002599;
- //
- // Ar-CO2 gas
- Float_t agas[3] = { 39.95,12.01,16. };
- Float_t zgas[3] = { 18.,6.,8. };
- Float_t wgas[3] = { .74,.086684,.173316 };
- Float_t dgas = .0018327;
- //
- // Ar-Isobutane gas (80%+20%) -- tracking
- Float_t ag[3] = { 39.95,12.01,1.01 };
- Float_t zg[3] = { 18.,6.,1. };
- Float_t wg[3] = { .8,.057,.143 };
- Float_t dg = .0019596;
- //
- // Ar-Isobutane-Forane-SF6 gas (49%+7%+40%+4%) -- trigger
- Float_t atrig[5] = { 39.95,12.01,1.01,19.,32.066 };
- Float_t ztrig[5] = { 18.,6.,1.,9.,16. };
- Float_t wtrig[5] = { .49,1.08,1.5,1.84,0.04 };
- Float_t dtrig = .0031463;
- //
- // bakelite
-
- Float_t abak[3] = {12.01 , 1.01 , 16.};
- Float_t zbak[3] = {6. , 1. , 8.};
- Float_t wbak[3] = {6. , 6. , 1.};
- Float_t dbak = 1.4;
-
- Float_t epsil, stmin, deemax, tmaxfd, stemax;
-
- Int_t iSXFLD = gAlice->Field()->Integ();
- Float_t sXMGMX = gAlice->Field()->Max();
- //
- // --- Define the various materials for GEANT ---
- AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
- AliMaterial(10, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
- AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
- AliMixture(19, "Bakelite$", abak, zbak, dbak, -3, wbak);
- AliMixture(20, "ArC4H10 GAS$", ag, zg, dg, 3, wg);
- AliMixture(21, "TRIG GAS$", atrig, ztrig, dtrig, -5, wtrig);
- AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1);
- AliMixture(23, "Ar-freon $", atr1, ztr1, dtr1, 4, wtr1);
- AliMixture(24, "ArCO2 GAS$", agas, zgas, dgas, 3, wgas);
- // materials for slat:
- // Sensitive area: gas (already defined)
- // PCB: copper
- // insulating material and frame: vetronite
- // walls: carbon, rohacell, carbon
- Float_t aglass[5]={12.01, 28.09, 16., 10.8, 23.};
- Float_t zglass[5]={ 6., 14., 8., 5., 11.};
- Float_t wglass[5]={ 0.5, 0.105, 0.355, 0.03, 0.01};
- Float_t dglass=1.74;
-
- // rohacell: C9 H13 N1 O2
- Float_t arohac[4] = {12.01, 1.01, 14.010, 16.};
- Float_t zrohac[4] = { 6., 1., 7., 8.};
- Float_t wrohac[4] = { 9., 13., 1., 2.};
- Float_t drohac = 0.03;
-
- AliMaterial(31, "COPPER$", 63.54, 29., 8.96, 1.4, 0.);
- AliMixture(32, "Vetronite$",aglass, zglass, dglass, 5, wglass);
- AliMaterial(33, "Carbon$", 12.01, 6., 2.265, 18.8, 49.9);
- AliMixture(34, "Rohacell$", arohac, zrohac, drohac, -4, wrohac);
+/// Construct materials using geometry builder
+ fGeometryBuilder->CreateMaterials();
+}
- epsil = .001; // Tracking precision,
- stemax = -1.; // Maximum displacement for multiple scat
- tmaxfd = -20.; // Maximum angle due to field deflection
- deemax = -.3; // Maximum fractional energy loss, DLS
- stmin = -.8;
- //
- // Air
- AliMedium(1, "AIR_CH_US ", 15, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- //
- // Aluminum
-
- AliMedium(4, "ALU_CH_US ", 9, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu,
- fMaxDestepAlu, epsil, stmin);
- AliMedium(5, "ALU_CH_US ", 10, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu,
- fMaxDestepAlu, epsil, stmin);
- //
- // Ar-isoC4H10 gas
+//________________________________________________________________
+void AliMUONv1::UpdateInternalGeometry()
+{
+/// Update geometry after applying mis-alignment
- AliMedium(6, "AR_CH_US ", 20, 1, iSXFLD, sXMGMX, tmaxfd, fMaxStepGas,
- fMaxDestepGas, epsil, stmin);
-//
- // Ar-Isobuthane-Forane-SF6 gas
+ // Load mapping
+ if ( ! AliMpCDB::LoadMpSegmentation() ) {
+ AliFatal("Could not access mapping from OCDB !");
+ }
- AliMedium(7, "GAS_CH_TRIGGER ", 21, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
+ fGeometryBuilder->UpdateInternalGeometry();
+}
- AliMedium(8, "BAKE_CH_TRIGGER ", 19, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu,
- fMaxDestepAlu, epsil, stmin);
+//________________________________________________________________
+void AliMUONv1::AddAlignableVolumes() const
+{
+/// Construct materials using geometry builder
- AliMedium(9, "ARG_CO2 ", 22, 1, iSXFLD, sXMGMX, tmaxfd, fMaxStepGas,
- fMaxDestepAlu, epsil, stmin);
- // tracking media for slats: check the parameters!!
- AliMedium(11, "PCB_COPPER ", 31, 0, iSXFLD, sXMGMX, tmaxfd,
- fMaxStepAlu, fMaxDestepAlu, epsil, stmin);
- AliMedium(12, "VETRONITE ", 32, 0, iSXFLD, sXMGMX, tmaxfd,
- fMaxStepAlu, fMaxDestepAlu, epsil, stmin);
- AliMedium(13, "CARBON ", 33, 0, iSXFLD, sXMGMX, tmaxfd,
- fMaxStepAlu, fMaxDestepAlu, epsil, stmin);
- AliMedium(14, "Rohacell ", 34, 0, iSXFLD, sXMGMX, tmaxfd,
- fMaxStepAlu, fMaxDestepAlu, epsil, stmin);
+ GetGeometryTransformer()->AddAlignableVolumes();
}
-//___________________________________________
+//___________________________________________
void AliMUONv1::Init()
-{
- //
- // Initialize Tracking Chambers
- //
+{
+/// Initialize geometry
- if(fDebug) printf("\n%s: Start Init for version 1 - CPC chamber type\n\n",ClassName());
- Int_t i;
- for (i=0; i<AliMUONConstants::NCh(); i++) {
- ( (AliMUONChamber*) (*fChambers)[i])->Init();
- }
+ AliDebug(1,"Start Init for version 1 - CPC chamber type");
- //
- // Set the chamber (sensitive region) GEANT identifier
- ((AliMUONChamber*)(*fChambers)[0])->SetGid(gMC->VolId("S01G"));
- ((AliMUONChamber*)(*fChambers)[1])->SetGid(gMC->VolId("S02G"));
-
- ((AliMUONChamber*)(*fChambers)[2])->SetGid(gMC->VolId("S03G"));
- ((AliMUONChamber*)(*fChambers)[3])->SetGid(gMC->VolId("S04G"));
-
- ((AliMUONChamber*)(*fChambers)[4])->SetGid(gMC->VolId("S05G"));
- ((AliMUONChamber*)(*fChambers)[5])->SetGid(gMC->VolId("S06G"));
-
- ((AliMUONChamber*)(*fChambers)[6])->SetGid(gMC->VolId("S07G"));
- ((AliMUONChamber*)(*fChambers)[7])->SetGid(gMC->VolId("S08G"));
-
- ((AliMUONChamber*)(*fChambers)[8])->SetGid(gMC->VolId("S09G"));
- ((AliMUONChamber*)(*fChambers)[9])->SetGid(gMC->VolId("S10G"));
+ fGeometryBuilder->InitGeometry();
+ AliDebug(1,"Finished Init for version 1 - CPC chamber type");
+
- ((AliMUONChamber*)(*fChambers)[10])->SetGid(gMC->VolId("SG1A"));
- ((AliMUONChamber*)(*fChambers)[11])->SetGid(gMC->VolId("SG2A"));
- ((AliMUONChamber*)(*fChambers)[12])->SetGid(gMC->VolId("SG3A"));
- ((AliMUONChamber*)(*fChambers)[13])->SetGid(gMC->VolId("SG4A"));
+ // Build segmentation
+ // using geometry parametrisation
+ //
+ // Build response
+ //
+ AliMUONResponseFactory respFactory("default", fIsTailEffect);
+ respFactory.Build(this);
+
+}
- if(fDebug) printf("\n%s: Finished Init for version 1 - CPC chamber type\n",ClassName());
+//__________________________________________________________________
+Int_t AliMUONv1::GetGeomModuleId(Int_t volId) const
+{
+/// Check if the volume with specified volId is a sensitive volume (gas)
+/// of some chamber and return the chamber number;
+/// if not sensitive volume - return 0.
- //cp
- if(fDebug) printf("\n%s: Start Init for Trigger Circuits\n",ClassName());
- for (i=0; i<AliMUONConstants::NTriggerCircuit(); i++) {
- ( (AliMUONTriggerCircuit*) (*fTriggerCircuits)[i])->Init(i);
- }
- if(fDebug) printf("%s: Finished Init for Trigger Circuits\n",ClassName());
- //cp
+ for (Int_t i = 0; i < AliMUONConstants::NGeomModules(); i++) {
+ if ( GetGeometry()->GetModule(i)->IsSensitiveVolume(volId) )
+ return i;
+ }
+ return -1;
}
//_______________________________________________________________________________
-Int_t AliMUONv1::GetChamberId(Int_t volId) const
+TString AliMUONv1::CurrentVolumePath() const
{
-// Check if the volume with specified volId is a sensitive volume (gas)
-// of some chamber and returns the chamber number;
-// if not sensitive volume - return 0.
-// ---
-
- for (Int_t i = 1; i <= AliMUONConstants::NCh(); i++)
- if (volId==((AliMUONChamber*)(*fChambers)[i-1])->GetGid()) return i;
-
- return 0;
+/// Return current volume path
+/// (Could be removed when this function is available via gMC)
+
+ TString path = "";
+ TString name;
+ Int_t copyNo;
+ Int_t imother = 0;
+ do {
+ name = gMC->CurrentVolOffName(imother);
+ gMC->CurrentVolOffID(imother++, copyNo);
+ TString add = "/";
+ add += name;
+ add += "_";
+ add += copyNo;
+ path.Insert(0,add);
+ }
+ while ( name != TString("ALIC") );
+
+ return path;
}
+
//_______________________________________________________________________________
void AliMUONv1::StepManager()
{
- if (fStepManagerVersionOld) {
- StepManagerOld();
- return;
- }
+/// Step manager for the chambers
// Only charged tracks
if( !(gMC->TrackCharge()) ) return;
// Only gas gap inside chamber
// Tag chambers and record hits when track enters
- Int_t idvol=-1;
- Int_t iChamber=0;
- Int_t id=0;
+ static Int_t idvol=-1, iEnter = 0;
Int_t copy;
const Float_t kBig = 1.e10;
+ static Double_t xyzEnter[3];
- id=gMC->CurrentVolID(copy);
- // printf("id == %d \n",id);
- for (Int_t i = 1; i <= AliMUONConstants::NCh(); i++) {
- if(id==((AliMUONChamber*)(*fChambers)[i-1])->GetGid()) {
- iChamber = i;
- idvol = i-1;
- }
- }
- if (idvol == -1) {
- return;
- }
-
- if( gMC->IsTrackEntering() ) {
+ //
+ // Only gas gap inside chamber
+ // Tag chambers and record hits when track enters
+ Int_t id=gMC->CurrentVolID(copy);
+ Int_t iGeomModule = GetGeomModuleId(id);
+ if (iGeomModule == -1) return;
+
+ // Detection elements id
+ const AliMUONGeometryModule* kGeometryModule
+ = GetGeometry()->GetModule(iGeomModule);
+ AliMUONGeometryDetElement* detElement
+ = kGeometryModule->FindBySensitiveVolume(CurrentVolumePath());
+
+ if (!detElement && iGeomModule < AliMUONConstants::NGeomModules()-2) {
+ iGeomModule++;
+ const AliMUONGeometryModule* kGeometryModule2
+ = GetGeometry()->GetModule(iGeomModule);
+ detElement
+ = kGeometryModule2->FindBySensitiveVolume(CurrentVolumePath());
+ }
+
+ Int_t detElemId = 0;
+ if (detElement) detElemId = detElement->GetUniqueID();
+
+ if (!detElemId) {
+ AliErrorStream()
+ << "Geometry module id: "
+ << setw(3) << iGeomModule << " "
+ << "Current SV: "
+ << CurrentVolumePath()
+ << " detElemId: "
+ << setw(5) << detElemId
+ << endl;
+ Double_t x, y, z;
+ gMC->TrackPosition(x, y, z);
+ AliErrorStream()
+ << " global position: "
+ << x << ", " << y << ", " << z
+ << endl;
+ AliErrorStream() << "DetElemId not identified." << endl;
+ }
+
+ Int_t iChamber = AliMpDEManager::GetChamberId(detElemId) + 1;
+ idvol = iChamber -1;
+
+ // Filling TrackRefs file for MUON. Our Track references are the active volume of the chambers
+ if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting() ) ) {
+ AliTrackReference* trackReference
+ = AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kMUON);
+ trackReference->SetUserId(detElemId);
+ }
+
+ if( gMC->IsTrackEntering() ) {
Float_t theta = fTrackMomentum.Theta();
- Float_t phi = fTrackMomentum.Phi();
- Float_t theta_wires = TMath::Abs( TMath::ASin( TMath::Sin(theta) * TMath::Sin(phi) ) );
- if ( (theta_wires*kRaddeg>=10) ) gMC->SetMaxStep(fStepMaxInActiveGas);
- }
+ if ( fIsMaxStep && (TMath::Pi()-theta)*kRaddeg>=15. ) {
+ gMC->SetMaxStep(fStepMaxInActiveGas); // We use Pi-theta because z is negative
+ }
+ iEnter = 1;
+ gMC->TrackPosition(xyzEnter[0], xyzEnter[1], xyzEnter[2]); // save coordinates of entrance point
+ }
-// if (GetDebug()) {
-// Float_t z = ( (AliMUONChamber*)(*fChambers)[idvol])->Z() ;
-// Info("StepManager Step","Active volume found %d chamber %d Z chamber is %f ",idvol,iChamber, z);
-// }
+ // AliDebug(1,
+ // Form("Active volume found %d chamber %d Z chamber is %f ",idvol,iChamber,
+ // ( (AliMUONChamber*)(*fChambers)[idvol])->Z())) ;
// Particule id and mass,
Int_t ipart = gMC->TrackPid();
Float_t mass = gMC->TrackMass();
if ( fStepSum[idvol]==0.0 ) gMC->TrackMomentum(fTrackMomentum);
fStepSum[idvol]+=gMC->TrackStep();
-// if (GetDebug()) {
-// Info("StepManager Step","iChamber %d, Particle %d, theta %f phi %f mass %f StepSum %f eloss %g",
-// iChamber,ipart, fTrackMomentum.Theta()*kRaddeg, fTrackMomentum.Phi()*kRaddeg, mass, fStepSum[idvol], gMC->Edep());
-// Info("StepManager Step","Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(), fTrackMomentum.Z()) ;
-// gMC->TrackPosition(fTrackPosition);
-// Info("StepManager Step","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ;
-// }
+ // if (AliDebugLevel()) {
+ // AliDebug(1,Form("Step, iChamber %d, Particle %d, theta %f phi %f mass %f StepSum %f eloss %g",
+ // iChamber,ipart, fTrackMomentum.Theta()*kRaddeg, fTrackMomentum.Phi()*kRaddeg,
+ // mass, fStepSum[idvol], gMC->Edep()));
+ // AliDebug(1,Form("Step:Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(),
+ // fTrackMomentum.Z()));
+ // gMC->TrackPosition(fTrackPosition);
+ // AliDebug(1,Form("Step: Track Position %f %f %f",fTrackPosition.X(),
+ // fTrackPosition.Y(),fTrackPosition.Z())) ;
+ //}
// Track left chamber or StepSum larger than fStepMaxInActiveGas
if ( gMC->IsTrackExiting() ||
gMC->IsTrackDisappeared()||
(fStepSum[idvol]>fStepMaxInActiveGas) ) {
- if ( gMC->IsTrackExiting() ||
- gMC->IsTrackStop() ||
- gMC->IsTrackDisappeared() ) gMC->SetMaxStep(kBig);
+ if ( fIsMaxStep &&
+ ( gMC->IsTrackExiting() ||
+ gMC->IsTrackStop() ||
+ gMC->IsTrackDisappeared() ) ) gMC->SetMaxStep(kBig);
+ if (fDestepSum[idvol] == 0) {
+ // AZ - no energy release
+ fStepSum[idvol] = 0; // Reset for the next event
+ iEnter = 0;
+ return;
+ }
gMC->TrackPosition(fTrackPosition);
Float_t theta = fTrackMomentum.Theta();
Float_t phi = fTrackMomentum.Phi();
- TLorentzVector BackToWire( fStepSum[idvol]/2.*sin(theta)*cos(phi),
- fStepSum[idvol]/2.*sin(theta)*sin(phi),
- fStepSum[idvol]/2.*cos(theta),0.0 );
- // if (GetDebug())
- // Info("StepManager Exit","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ;
- // if (GetDebug())
- // Info("StepManager Exit ","Track BackToWire %f %f %f",BackToWire.X(),BackToWire.Y(),BackToWire.Z()) ;
- fTrackPosition-=BackToWire;
+ Int_t merge = 0;
+ Double_t xyz0[3]={0}, xyz1[3]={0}, tmp[3]={0};
+ if (gMC->IsTrackExiting() && iEnter != 0) {
+ // AZ - this code is to avoid artificial hit splitting at the
+ // "fake" boundary inside the same chamber. It will still produce
+ // 2 hits but with the same coordinates (at the wire) to allow
+ // their merging at the digitization level.
+
+ // Only for a track going from the entrance to the exit from the volume
+ // Get local coordinates
+ gMC->Gmtod(xyzEnter, xyz0, 1); // local coord. at the entrance
+
+ fTrackPosition.Vect().GetXYZ(tmp);
+ gMC->Gmtod(tmp, xyz1, 1); // local coord. at the exit
+ Float_t dx = xyz0[0] - xyz1[0];
+ Float_t dy = xyz0[1] - xyz1[1];
+ Float_t thLoc = TMath::ATan2 (TMath::Sqrt(dx*dx+dy*dy), TMath::Abs(xyz0[2]-xyz1[2]));
+ if (thLoc * TMath::RadToDeg() < 15) merge = 1;
+ }
+
+ if (merge) {
+ Double_t dz = -0.5;
+ if (xyz1[2] != xyz0[2]) dz = xyz0[2] / (xyz1[2] - xyz0[2]);
+ tmp[0] = xyz0[0] - (xyz1[0] - xyz0[0]) * dz; // local coord. at the wire
+ tmp[1] = xyz0[1] - (xyz1[1] - xyz0[1]) * dz;
+ tmp[2] = xyz0[2] - (xyz1[2] - xyz0[2]) * dz;
+ gMC->Gdtom(tmp, xyz1, 1); // global coord. at the wire
+ fTrackPosition.SetXYZT(xyz1[0], xyz1[1], xyz1[2], fTrackPosition.T());
+ } else {
+ TLorentzVector backToWire( fStepSum[idvol]/2.*sin(theta)*cos(phi),
+ fStepSum[idvol]/2.*sin(theta)*sin(phi),
+ fStepSum[idvol]/2.*cos(theta),0.0 );
+ fTrackPosition-=backToWire;
+ //printf(" %d %d %d %f %d \n", gMC->IsTrackExiting(), gMC->IsTrackStop(), gMC->IsTrackDisappeared(), fStepSum[idvol], iEnter);
+ // AliDebug(1,
+ // Form("Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()));
+ // AliDebug(1,
+ // Form("Exit: Track backToWire %f %f %f",backToWire.X(),backToWire.Y(),backToWire.Z())) ;
+ }
//-------------- Angle effect
// Ratio between energy loss of particle and Mip as a function of BetaGamma of particle (Energy/Mass)
- Float_t Beta_x_Gamma = fTrackMomentum.P()/mass;// pc/mc2
- Float_t SigmaEffect_10degrees;
- Float_t SigmaEffect_thetadegrees;
- Float_t ELossParticle_ELossMip;
- Float_t YAngleEffect=0.;
- Float_t theta_wires = TMath::Abs( TMath::ASin( TMath::Sin(theta) * TMath::Sin(phi) ) );
-
- if ( (Beta_x_Gamma >3.2) && (theta_wires*kRaddeg<=10) ) {
- Beta_x_Gamma=TMath::Log(Beta_x_Gamma);
- ELossParticle_ELossMip = fElossRatio->Eval(Beta_x_Gamma);
+ Float_t betaxGamma = fTrackMomentum.P()/mass;// pc/mc2
+ Float_t sigmaEffect10degrees;
+ Float_t sigmaEffectThetadegrees;
+ Float_t eLossParticleELossMip;
+ Float_t yAngleEffect=0.;
+ Float_t thetawires = TMath::ASin( TMath::Sin(TMath::Pi()-theta) * TMath::Sin(phi) ) ;// We use Pi-theta because z is negative
+ Double_t bField[3] = {0};
+ fTrackPosition.Vect().GetXYZ(tmp);
+ TGeoGlobalMagField::Instance()->Field(tmp,bField);
+
+ if (fAngleEffect && !fMagEffect){
+ thetawires = TMath::Abs(thetawires);
+ if ( (betaxGamma >3.2) && (thetawires*kRaddeg<=15.) ) {
+ betaxGamma=TMath::Log(betaxGamma);
+ eLossParticleELossMip = fElossRatio->Eval(betaxGamma);
// 10 degrees is a reference for a model (arbitrary)
- SigmaEffect_10degrees=fAngleEffect10->Eval(ELossParticle_ELossMip);// in micrometers
+ sigmaEffect10degrees=fAngleEffect10->Eval(eLossParticleELossMip);// in micrometers
// Angle with respect to the wires assuming that chambers are perpendicular to the z axis.
- SigmaEffect_thetadegrees = SigmaEffect_10degrees/fAngleEffectNorma->Eval(theta_wires*kRaddeg); // For 5mm gap
+ sigmaEffectThetadegrees = sigmaEffect10degrees/fAngleEffectNorma->Eval(thetawires*kRaddeg); // For 5mm gap
if ( (iChamber==1) || (iChamber==2) )
- SigmaEffect_thetadegrees/=(1.09833e+00+1.70000e-02*theta_wires*kRaddeg); // The gap is different (4mm)
- YAngleEffect=1.e-04*gRandom->Gaus(0,SigmaEffect_thetadegrees); // Error due to the angle effect in cm
+ sigmaEffectThetadegrees/=(1.09833e+00+1.70000e-02*(thetawires*kRaddeg)); // The gap is different (4mm)
+ yAngleEffect=1.e-04*gRandom->Gaus(0,sigmaEffectThetadegrees); // Error due to the angle effect in cm
}
-
-
- // One hit per chamber
- GetMUONData()->AddHit(fIshunt, gAlice->GetCurrentTrackNumber(), iChamber, ipart,
- fTrackPosition.X(), fTrackPosition.Y()+YAngleEffect, fTrackPosition.Z(), 0.0,
- fTrackMomentum.P(),theta, phi, fStepSum[idvol], fDestepSum[idvol],
- fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z());
-// if (GetDebug()){
-// Info("StepManager Exit","Particle exiting from chamber %d",iChamber);
-// Info("StepManager Exit","StepSum %f eloss geant %g ",fStepSum[idvol],fDestepSum[idvol]);
-// Info("StepManager Exit","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ;
-// }
- fStepSum[idvol] =0; // Reset for the next event
- fDestepSum[idvol]=0; // Reset for the next event
- }
-}
-
-//___________________________________________
-void AliMUONv1::StepManagerOld()
-{
- Int_t copy, id;
- static Int_t idvol;
- static Int_t vol[2];
- Int_t ipart;
- TLorentzVector pos;
- TLorentzVector mom;
- Float_t theta,phi;
- Float_t destep, step;
-
- static Float_t Sstep;
- static Float_t eloss, eloss2, xhit, yhit, zhit, tof, tlength;
- const Float_t kBig = 1.e10;
- static Float_t hits[15];
-
- TClonesArray &lhits = *fHits;
-
- //
- //
- // Only charged tracks
- if( !(gMC->TrackCharge()) ) return;
- //
- // Only gas gap inside chamber
- // Tag chambers and record hits when track enters
- id=gMC->CurrentVolID(copy);
- vol[0] = GetChamberId(id);
- idvol = vol[0] -1;
-
- if (idvol == -1) return;
-
- //
- // Get current particle id (ipart), track position (pos) and momentum (mom)
- gMC->TrackPosition(pos);
- gMC->TrackMomentum(mom);
-
- ipart = gMC->TrackPid();
-
- //
- // momentum loss and steplength in last step
- destep = gMC->Edep();
- step = gMC->TrackStep();
- // cout<<"------------"<<step<<endl;
- //
- // 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);
- Double_t pmom = TMath::Sqrt(tc+mom[2]*mom[2]);
- Double_t tx = mom[0]/pmom;
- Double_t ty = mom[1]/pmom;
- Double_t tz = mom[2]/pmom;
- Double_t s = ((AliMUONChamber*)(*fChambers)[idvol])
- ->ResponseModel()
- ->Pitch()/tz;
- 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;
- hits[0] = Float_t(ipart); // Geant3 particle type
- hits[1] = pos[0]+s*tx; // X-position for hit
- hits[2] = pos[1]+s*ty; // Y-position for hit
- hits[3] = pos[2]+s*tz; // Z-position for hit
- hits[4] = theta; // theta angle of incidence
- hits[5] = phi; // phi angle of incidence
- hits[8] = 0;//PadHits does not exist anymore (Float_t) fNPadHits; // first padhit
- hits[9] = -1; // last pad hit
- hits[10] = mom[3]; // hit momentum P
- hits[11] = mom[0]; // Px
- hits[12] = mom[1]; // Py
- hits[13] = mom[2]; // Pz
- tof=gMC->TrackTime();
- hits[14] = tof; // Time of flight
- tlength = 0;
- eloss = 0;
- eloss2 = 0;
- Sstep=0;
- xhit = pos[0];
- yhit = pos[1];
- zhit = pos[2];
- Chamber(idvol).ChargeCorrelationInit();
- // Only if not trigger chamber
-
-// printf("---------------------------\n");
-// printf(">>>> Y = %f \n",hits[2]);
-// printf("---------------------------\n");
-
-
-
- // if(idvol < AliMUONConstants::NTrackingCh()) {
-// //
-// // Initialize hit position (cursor) in the segmentation model
-// ((AliMUONChamber*) (*fChambers)[idvol])
-// ->SigGenInit(pos[0], pos[1], pos[2]);
-// } else {
-// //geant3->Gpcxyz();
-// //printf("In the Trigger Chamber #%d\n",idvol-9);
-// }
- }
- eloss2+=destep;
- Sstep+=step;
-
- // cout<<Sstep<<endl;
-
- //
- // 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;
-
- Float_t x0,y0,z0;
- Float_t localPos[3];
- Float_t globalPos[3] = {pos[0], pos[1], pos[2]};
- gMC->Gmtod(globalPos,localPos,1);
-
- if(idvol < AliMUONConstants::NTrackingCh()) {
-// tracking chambers
- x0 = 0.5*(xhit+pos[0]);
- y0 = 0.5*(yhit+pos[1]);
- z0 = 0.5*(zhit+pos[2]);
- } else {
-// trigger chambers
- x0 = xhit;
- y0 = yhit;
- z0 = 0.;
+ }
+ else if (fAngleEffect && fMagEffect) {
+ if ( (betaxGamma >3.2) && (TMath::Abs(thetawires*kRaddeg)<=15.) ) {
+ betaxGamma=TMath::Log(betaxGamma);
+ eLossParticleELossMip = fElossRatio->Eval(betaxGamma);
+ // 10 degrees is a reference for a model (arbitrary)
+ sigmaEffect10degrees=fAngleEffect10->Eval(eLossParticleELossMip);// in micrometers
+ // Angle with respect to the wires assuming that chambers are perpendicular to the z axis.
+ sigmaEffectThetadegrees = sigmaEffect10degrees/fMagAngleEffectNorma->Eval(thetawires*kRaddeg,bField[0]/10.); // For 5mm gap
+ if ( (iChamber==1) || (iChamber==2) )
+ sigmaEffectThetadegrees/=(1.09833e+00+1.70000e-02*(thetawires*kRaddeg)); // The gap is different (4mm)
+ yAngleEffect=1.e-04*gRandom->Gaus(0,sigmaEffectThetadegrees); // Error due to the angle effect in cm
}
-
-
- // if (eloss >0) MakePadHits(x0,y0,z0,eloss,tof,idvol);
-
-
- hits[6] = tlength; // track length
- hits[7] = eloss2; // de/dx energy loss
-
-
- // if (fNPadHits > (Int_t)hits[8]) {
- // hits[8] = hits[8]+1;
- // hits[9] = 0: // PadHits does not exist anymore (Float_t) fNPadHits;
- //}
-//
-// new hit
-
- new(lhits[fNhits++])
- AliMUONHit(fIshunt, gAlice->GetCurrentTrackNumber(), vol,hits);
- eloss = 0;
- //
- // Check additional signal generation conditions
- // defined by the segmentation
- // model (boundary crossing conditions)
- // only for tracking chambers
- } else if
- ((idvol < AliMUONConstants::NTrackingCh()) &&
- ((AliMUONChamber*) (*fChambers)[idvol])->SigGenCond(pos[0], pos[1], pos[2]))
- {
- ((AliMUONChamber*) (*fChambers)[idvol])
- ->SigGenInit(pos[0], pos[1], pos[2]);
-
- Float_t localPos[3];
- Float_t globalPos[3] = {pos[0], pos[1], pos[2]};
- gMC->Gmtod(globalPos,localPos,1);
+ }
- eloss += destep;
+ AliMUONHit hit(fIshunt,
+ gAlice->GetMCApp()->GetCurrentTrackNumber(),
+ detElemId, ipart,
+ fTrackPosition.X(),
+ fTrackPosition.Y()+yAngleEffect,
+ fTrackPosition.Z(),
+ gMC->TrackTime(),
+ fTrackMomentum.P(),
+ theta,
+ phi,
+ fStepSum[idvol],
+ fDestepSum[idvol],
+ fTrackPosition.X(),
+ fTrackPosition.Y(),
+ fTrackPosition.Z());
+
+ fHitStore->Add(hit);
- // if (eloss > 0 && idvol < AliMUONConstants::NTrackingCh())
- // MakePadHits(0.5*(xhit+pos[0]),0.5*(yhit+pos[1]),pos[2],eloss,tof,idvol);
- xhit = pos[0];
- yhit = pos[1];
- zhit = pos[2];
- eloss = 0;
- tlength += step ;
- //
- // nothing special happened, add up energy loss
- } else {
- eloss += destep;
- tlength += step ;
+ fStepSum[idvol] =0; // Reset for the next event
+ fDestepSum[idvol]=0; // Reset for the next event
+ iEnter = 0;
}
}
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff