--- /dev/null
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/*
+$Log$
+
+*/
+
+///////////////////////////////////////////////////////////////////////////////
+// //
+// ALICE Cosmic Ray Trigger //
+// //
+// This class contains the functions for version 0 of the ALICE Cosmic Ray //
+// Trigger. This vesion is suposed to work as standalone module //
+// //
+//
+// Authors:
+//
+// Arturo Fernandez <afernand@fcfm.buap.mx>
+// Enrique Gamez <egamez@fcfm.buap.mx>
+//
+// Universidad Autonoma de Puebla
+//
+//
+//Begin_Html
+/*
+<img src="picts/AliCRTv1Class.gif">
+</pre>
+<br clear=left>
+<p>The responsible person for this module is
+<a href="mailto:egamez@fcfm.buap.mx">Enrique Gamez</a>.
+</font>
+<pre>
+*/
+//End_Html
+// //
+///////////////////////////////////////////////////////////////////////////////
+
+#include <iostream.h>
+
+#include <TGeometry.h>
+#include <TBRIK.h>
+#include <TNode.h>
+#include <TLorentzVector.h>
+
+#include "AliRun.h"
+#include "AliMC.h"
+#include "AliMagF.h"
+#include "AliConst.h"
+#include "AliPDG.h"
+
+#include "AliCRTv1.h"
+#include "AliCRTConstants.h"
+
+ClassImp(AliCRTv1)
+
+//_____________________________________________________________________________
+AliCRTv1::AliCRTv1() : AliCRTv0()
+{
+ //
+ // Default constructor for CRT
+ //
+ fCRTStatus = kTRUE;
+ fRICHStatus = kFALSE;
+ fTPCStatus = kFALSE;
+ fMagnetStatus = kTRUE;
+
+ fCRTModule = kFALSE;
+}
+
+//_____________________________________________________________________________
+AliCRTv1::AliCRTv1(const char *name, const char *title)
+ : AliCRTv0(name,title)
+{
+ //
+ // Standard constructor for CRT
+ //
+ //Begin_Html
+ /*
+ <img src="picts/AliCRTv1.gif">
+ */
+ //End_Html
+ fCRTStatus = kTRUE;
+ fCRTModule = kFALSE;
+
+ fRICHStatus = kFALSE;
+ fTPCStatus = kFALSE;
+ fMagnetStatus = kFALSE;
+}
+
+//_____________________________________________________________________________
+AliCRTv1::AliCRTv1(const AliCRTv1& crt)
+{
+ //
+ // Copy ctor.
+ //
+ crt.Copy(*this);
+}
+
+//_____________________________________________________________________________
+AliCRTv1& AliCRTv1::operator= (const AliCRTv1& crt)
+{
+ //
+ // Asingment operator
+ //
+ crt.Copy(*this);
+ return *this;
+}
+
+//_____________________________________________________________________________
+void AliCRTv1::CreateGeometry()
+{
+ //
+ // Create geometry for the CRT array
+ //
+
+ Int_t idrotm[2499]; // The rotation matrix.
+
+ Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
+
+ //
+ // Shafts.
+ this->CreateShafts();
+
+ //
+ // Molasse.
+ this->CreateMolasse();
+
+
+ //
+ // Scintillators
+
+ Float_t box[3];
+ box[0] = AliCRTConstants::fgCageLenght/2.; // Half Length of the box along the X axis, cm.
+ box[1] = AliCRTConstants::fgCageHeight/2.; // Half Length of the box along the Y axis, cm.
+ box[2] = AliCRTConstants::fgCageWidth/2.; // Half Length of the box along the Z axis, cm.
+
+ //
+ // Create a big voluem with air barrel above the magnet
+ Float_t barrel[10];
+ Float_t magnetSides = 3.;
+ Float_t planesPerpendicularToZ = 2.;
+ Float_t rMin = 790.;
+ Float_t rMax = rMin + 20.; // 20 cm width
+ barrel[0] = 22.5;
+ barrel[1] = 45*magnetSides;
+ barrel[2] = magnetSides;
+ barrel[3] = planesPerpendicularToZ;
+ barrel[4] = -600.;
+ barrel[5] = rMin;
+ barrel[6] = rMax;
+ barrel[7] = 600.;
+ barrel[8] = rMin;
+ barrel[9] = rMax;
+ gMC->Gsvolu("CRT4", "PGON", idtmed[1114], barrel, 10);
+ gMC->Gspos("CRT4", 1 , "CRT", 0., -30., 0., 0, "ONLY");
+
+
+ // Create the current sicuiitllator arry
+ // Define the Scintillators. as a big box.
+ Float_t scint[3];
+ scint[0] = AliCRTConstants::fgActiveAreaLenght/2.; // Half Length in X
+ scint[1] = AliCRTConstants::fgActiveAreaHeight/2.; // Half Length in Y
+ scint[2] = AliCRTConstants::fgActiveAreaWidth/2.; // Half Length in Z
+ gMC->Gsvolu("CRT1", "BOX ", idtmed[1112], scint, 3); // Scintillators
+ //
+ // -- X axis.
+ // we'll start dawing from the center.
+ Float_t initX = 0.;
+
+ //
+ // -- Y axis
+ Float_t gapY = 30.; // 30 cms. above the barrel.
+ // For the height we staimate the from the center of the ceiling,
+ // if were a cilinder, must be about 280cm.
+ Float_t barrelc = 790.; // Barrel radius.
+ Float_t height = barrelc + gapY - 30.;
+ Float_t initY = height;
+
+ //
+ // -- Z axis.
+ // we'll start dawing from the center.
+
+ //
+ // Put 4 modules on the top of the magnet
+ Int_t step = 4;
+ for ( Int_t i = 1 ; i <= 4 ; i++ ) {
+ gMC->Gspos("CRT1", i, "CRT", initX, initY, (i-step)*box[2], 0, "ONLY");
+ step--;
+ }
+
+ // Modules on the barrel sides.
+ // Because the openenig angle for each face is 22.5, and if we want to
+ // put the modules right in the middle
+ Float_t xtragap = 10.;
+ Float_t initXside = (height+xtragap)*TMath::Sin(2*22.5*kDegrad);//rigthside
+ Float_t initYside = (height+xtragap)*TMath::Cos(2*22.5*kDegrad);
+
+ // Put 4 modules on the left side of the magnet
+ // The rotation matrix parameters, for the left side.
+ AliMatrix(idrotm[232], 90., 315., 90., 45., 0., 337.5);
+ Int_t stepl = 4;
+ for ( Int_t i = 1 ; i <= 4 ; i++ ) {
+ gMC->Gspos("CRT1", i+4, "CRT", initXside, initYside, (i-stepl)*box[2],
+ idrotm[232], "ONLY");
+ stepl--;
+ }
+
+ // Put 4 modules on the right side of the magnet
+ // The rotation matrix parameters for the right side.
+ AliMatrix(idrotm[231], 90., 45., 90., 315., 180., 202.5);
+ Int_t stepr = 4;
+ for ( Int_t i = 1 ; i <= 4 ; i++ ) {
+ gMC->Gspos("CRT1", i+8, "CRT", -initXside, initYside, (i-stepr)*box[2],
+ idrotm[231], "ONLY");
+ stepr--;
+ }
+
+ this->CreateMagnetGeometry();
+ this->CreateRICHGeometry();
+ this->CreateTPCGeometry();
+
+}
+
+//_____________________________________________________________________________
+void AliCRTv1::CreateMagnetGeometry()
+{
+
+ cout<<"\n\n\tYou are requiring the CRT with the Magnet Activated!\n\n";
+
+ Int_t idrotm[2499]; // The rotation matrix.
+
+ Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
+
+ // Disable the CRT StepManager method.
+ fCRTStatus = kFALSE;
+
+ Float_t barrel[10];
+ Float_t magnetSides = 3.;
+ Float_t planesPerpendicularToZ = 2.;
+ //Float_t rMin = 790.;
+ //Float_t rMax = rMin + 20.; // 20 cm width
+
+ // MAgnet
+ // Create the upper faces of the magnet.
+ barrel[0] = 22.5;
+ barrel[1] = 360.;
+ barrel[2] = 8.;
+ barrel[3] = 2.;
+ barrel[4] = -600.;
+ barrel[5] = 580.;
+ barrel[6] = 790.;
+ barrel[7] = 600.;
+ barrel[8] = 580.;
+ barrel[9] = 790.;
+ gMC->Gsvolu("C3MO", "PGON", idtmed[1114], barrel, 10);
+ gMC->Gspos("C3MO", 1, "CRT", 0., -30., 0., 0, "ONLY");
+
+ // Define coils
+
+ barrel[5] = 585.;
+ barrel[6] = 690.;
+ barrel[8] = 585.;
+ barrel[9] = 690.;
+ gMC->Gsvolu("C3CO", "PGON", idtmed[1108], barrel, 10); //Aluminium
+ gMC->Gspos("C3CO", 1, "C3MO", 0., 0., 0., 0, "ONLY");
+
+ barrel[5] = 580.;
+ barrel[6] = 585.;
+ barrel[8] = 580.;
+ barrel[9] = 585.;
+ gMC->Gsvolu("C3C1", "PGON", idtmed[1128], barrel, 10);// Aluminium
+ gMC->Gspos("C3C1", 1, "C3MO", 0., 0., 0., 0, "ONLY");
+
+ // Define yoke
+
+ barrel[5] = 690.;
+ barrel[6] = 790.;
+ barrel[8] = 690.;
+ barrel[9] = 790.;
+ gMC->Gsvolu("C3YO", "PGON", idtmed[1109], barrel, 10); // Iron
+ gMC->Gspos("C3YO", 1, "C3MO", 0., 0., 0., 0, "ONLY");
+
+
+ // Now create one inside the magnet as L3C1
+ // voulme for tracking.
+ barrel[0] = 22.5;
+ barrel[1] = 45*magnetSides;
+ barrel[2] = magnetSides;
+ barrel[3] = planesPerpendicularToZ;
+ barrel[4] = -600.;
+ barrel[5] = 575.;
+ barrel[6] = 580.;
+ barrel[7] = 600.;
+ barrel[8] = 575.;
+ barrel[9] = 580.;
+ gMC->Gsvolu("C3CI", "PGON", idtmed[1134], barrel, 10);
+ gMC->Gspos("C3CI", 1 , "CRT", 0., -30., 0., 0, "ONLY");
+
+ // And a detector layer in the door 10 cm thick
+ // Volume for tracking.
+ barrel[0] = 22.5;
+ barrel[1] = 360.;
+ barrel[2] = 8.;
+ barrel[3] = 2.;
+ barrel[4] = 590.;
+ barrel[5] = 0.;
+ barrel[6] = 580.;
+ barrel[7] = 600.;
+ barrel[8] = barrel[5];
+ barrel[9] = barrel[6];
+ gMC->Gsvolu("C3C2", "PGON", idtmed[1154], barrel, 10); // Air
+ gMC->Gspos("C3C2", 1, "CRT", 0., -30., 0., 0, "ONLY");
+ AliMatrix(idrotm[1010], 90., 0., 90., 90., 180., 0.);
+ gMC->Gspos("C3C2", 2, "CRT", 0., -30., 0., idrotm[1010], "ONLY");
+
+
+
+ barrel[4] = 600.;
+ barrel[5] = 0.;
+ barrel[6] = 790.;
+ barrel[7] = 700.;
+ barrel[8] = barrel[5];
+ barrel[9] = barrel[6];
+ gMC->Gsvolu("C3DO", "PGON", idtmed[1174], barrel, 10); // Air
+ gMC->Gspos("C3DO", 1, "CRT", 0., -30., 0., 0, "ONLY");
+ AliMatrix(idrotm[1010], 90., 0., 90., 90., 180., 0.);
+ gMC->Gspos("C3DO", 2, "CRT", 0., -30., 0., idrotm[1010], "ONLY");
+
+ barrel[4] = 610.;
+ barrel[5] = 0.;
+ barrel[6] = 790.;
+ barrel[7] = 700.;
+ barrel[8] = barrel[5];
+ barrel[9] = barrel[6];
+ gMC->Gsvolu("C3FR", "PGON", idtmed[1149], barrel, 10); // Iron
+ gMC->Gspos("C3FR", 1, "C3DO", 0., 0., 0., 0, "ONLY");
+ // INNER LAYER
+
+ barrel[4] = 600.;
+ barrel[7] = 610.;
+ gMC->Gsvolu("C3IR", "PGON", idtmed[1149], barrel, 10); //Iron
+ gMC->Gspos("C3IR", 1, "C3DO", 0., 0., 0., 0, "ONLY");
+
+}
+
+//_____________________________________________________________________________
+void AliCRTv1::CreateTPCGeometry()
+{
+ cout<<"\n\n\tYou are requiring the CRT with the TPC Activated!\n\n";
+ Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
+
+ // Disable the CRT StepManager method.
+ fCRTStatus = kFALSE;
+ // Disable the MAgnet
+ fMagnetStatus = kFALSE;
+ // Disable th RICH
+ fRICHStatus = kFALSE;
+
+ // TPC
+ // Tpc SAndwich 1 - Al
+ // TSA1
+ Float_t tube[5];
+ tube[0]=274.8124;
+ tube[1]=278.;
+ tube[2]=252.1;
+ tube[3] = 0.;
+ tube[4] = 180.;
+ gMC->Gsvolu("CSA1","TUBS",idtmed[1154],tube,5);
+ // TSA1->TOCV (0.,0.,3.) ->TOIN (0.,0.,0.)->TPC (0.,0.,0.)->ALIC(0.,0.,0.)
+ gMC->Gspos("CSA1 ",1,"CRT",0.,0.,0.,0,"ONLY");
+
+}
+
+//_____________________________________________________________________________
+void AliCRTv1::CreateRICHGeometry()
+{
+
+ cout<<"\n\n\tYou are requiring the CRT with the RICH Activated!\n\n";
+
+ Int_t idrotm[2499]; // The rotation matrix.
+
+ Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
+
+ // Disable the CRT StepManager method.
+ fCRTStatus = kFALSE;
+ // Disable the MAgnet
+ fMagnetStatus = kFALSE;
+
+
+ // now create volume to simulate the HMPID volume. CSI
+ Float_t csi_length = 160*.8 + 2.6;
+ Float_t csi_width = 144*.84 + 2*2.6;
+ Float_t tbox[3];
+ tbox[0] = csi_width/2;
+ tbox[1] = 11.5;
+ tbox[2] = csi_length/2;
+ gMC->Gsvolu("CRIC ", "BOX ", idtmed[1174], tbox, 3);
+
+ Double_t dOffset = 490+1.267 - 8/2; // distance from center of mother volume ALIC to methane
+
+ Double_t dAlpha = 19.5; // angle between centers of chambers - y-z plane
+ Double_t dAlphaRad = dAlpha*kDegrad;
+
+ Double_t dBeta = 20.; // angle between center of chambers - y-x plane
+ Double_t dBetaRad = dBeta*kDegrad;
+
+ Double_t dRotAngle = 60.; // the whole RICH is to be rotated in x-y plane + means clockwise rotation
+ Double_t dRotAngleRad = dRotAngle*kDegrad;
+
+
+ TRotMatrix *pRotMatrix; // tmp pointer
+
+ TVector3 vector(0,dOffset,0); // Position of chamber 2 without rotation
+
+ // Chamber 0 standalone (no other chambers in this row)
+ AliMatrix(idrotm[1000],90, -dRotAngle+360,90-dAlpha, 90-dRotAngle, dAlpha, -90+300);
+ pRotMatrix=new TRotMatrix("rot993","rot993",90,-dRotAngle, 90-dAlpha,90-dRotAngle,dAlpha, -90);
+
+ vector.SetXYZ(0,dOffset,0); vector.RotateX(dAlphaRad);
+ vector.RotateZ(-dRotAngleRad);
+
+ gMC->Gspos("CRIC",1,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1000], "ONLY");
+
+ // Chamber 1
+ AliMatrix(idrotm[1001],90,-dBeta-dRotAngle,90,90-dBeta-dRotAngle, 0,0);
+
+ pRotMatrix=new TRotMatrix("rot994","rot994",90,-dBeta-dRotAngle,90,90-dBeta-dRotAngle,0,0);
+
+ vector.SetXYZ(0,dOffset,0); vector.RotateZ(-dBetaRad);
+ vector.RotateZ(-dRotAngleRad);
+
+ gMC->Gspos("CRIC",2,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1001], "ONLY");
+
+ // Chamber 2 the top one with no Alpha-Beta rotation
+ AliMatrix(idrotm[1002],90,-dRotAngle,90,90-dRotAngle,0,0);
+
+ pRotMatrix=new TRotMatrix("rot995","rot995",90,-dRotAngle,90,90-dRotAngle,0,0);
+
+ vector.SetXYZ(0,dOffset,0);
+ vector.RotateZ(-dRotAngleRad);
+
+ gMC->Gspos("CRIC",3,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1002], "ONLY");
+
+ // Chamber 3
+ AliMatrix(idrotm[1003],90,dBeta-dRotAngle,90.,90+dBeta-dRotAngle,0,0);
+ pRotMatrix=new TRotMatrix("rot996","rot996", 90,dBeta-dRotAngle,90.,90+dBeta-dRotAngle,0,0);
+
+ vector.SetXYZ(0,dOffset,0); vector.RotateZ(dBetaRad);
+ vector.RotateZ(-dRotAngleRad);
+
+ gMC->Gspos("CRIC",4,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1003], "ONLY");
+
+ // Chamber 4
+ AliMatrix(idrotm[1004],90,360-dBeta-dRotAngle,108.2,90-dBeta-dRotAngle,18.2,90-dBeta-60);
+ pRotMatrix=new TRotMatrix("rot997","rot997",90,360-dBeta-dRotAngle,108.2,90-dBeta-dRotAngle,18.2,90-dBeta);
+
+ vector.SetXYZ(0,dOffset,0); vector.RotateZ(-dBetaRad); vector.RotateX(-dAlphaRad);
+ vector.RotateZ(-dRotAngleRad);
+
+ gMC->Gspos("CRIC",5,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1004], "ONLY");
+
+ // Chamber 5
+ AliMatrix(idrotm[1005],90,-dRotAngle+360,90+dAlpha,90-dRotAngle,dAlpha,90-60);
+
+ pRotMatrix=new TRotMatrix("rot998","rot998",90,-dRotAngle,90+dAlpha,90-dRotAngle,dAlpha,90);
+
+ vector.SetXYZ(0,dOffset,0); vector.RotateX(-dAlphaRad);
+ vector.RotateZ(-dRotAngleRad);
+
+ gMC->Gspos("CRIC",6,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1005], "ONLY");
+
+ // Chamber 6
+ AliMatrix(idrotm[1006],90,dBeta-dRotAngle+360,108.2,90+dBeta-dRotAngle,18.2,90+dBeta-60);
+
+ pRotMatrix=new TRotMatrix("rot999","rot999",90,dBeta-dRotAngle,108.2,90+dBeta-dRotAngle,18.2,90+dBeta);
+
+ vector.SetXYZ(0,dOffset,0); vector.RotateZ(dBetaRad); vector.RotateX(-dAlphaRad);
+ vector.RotateZ(-dRotAngleRad);
+
+ gMC->Gspos("CRIC",7,"CRT",vector.X(),vector.Y(),vector.Z(),idrotm[1006], "ONLY");
+
+}
+
+//_____________________________________________________________________________
+void AliCRTv1::CreateMolasse()
+{
+ //
+ //
+ //
+
+ Int_t idrotm[2499]; // The rotation matrix.
+
+ Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
+
+ //
+ // Molasse
+ //
+
+ // Exactly above the hall
+ Float_t tspar[5];
+ tspar[0] = 1170.;
+ tspar[1] = 1170. + 375.;
+ tspar[2] = (1900.+1150.)/2.+100.;
+ tspar[3] = 0.;
+ tspar[4] = 180.;
+ gMC->Gsvolu("CMO1", "TUBS", idtmed[1123], tspar, 5);
+ gMC->Gspos("CMO1", 1, "CRT", 0., 500., 1900.-tspar[2]+400., 0, "MANY");
+
+ Float_t tbox[3];
+ tbox[0] = 1250.;
+ tbox[1] = (4420. - 1670.)/2.;
+ tbox[2] = (1900.+1150.)/2. + 200.;
+ gMC->Gsvolu("CM12", "BOX", idtmed[1123], tbox, 3);
+ gMC->Gspos("CM12", 1, "CRT", 0., 4420. -tbox[1], 1900.-tbox[2]+400., 0, "MANY");
+
+ AliMatrix(idrotm[2003], 0., 0., 90., 0., 90., 90.);
+ // Along the PM25
+ Float_t tube[3];
+ tube[0] = 455. + 100.;
+ tube[1] = 555. + 375.;
+ tube[2] = (5150. - 1166.)/2.;
+ gMC->Gsvolu("CMO2", "TUBE", idtmed[1123], tube, 3);
+ gMC->Gspos("CMO2", 1, "CRT", -2100., 4420.-tube[2], 0., idrotm[2003], "MANY");
+
+
+ // Along the PGC2
+ tube[0] = 650.;
+ tube[1] = 2987.7;
+ tube[2] = (5150. - 690.)/2.;
+ gMC->Gsvolu("CMO3", "TUBE", idtmed[1123], tube, 3);
+ gMC->Gspos("CMO3", 1, "CRT", 375., 4420.-tube[2], 1900.+2987.7, idrotm[2003], "MANY");
+ // Behind the PGC2 up to the end of the M. volume.
+ tbox[0] = 12073.;
+ tbox[1] = 2575. + 95.;
+ tbox[2] = (12073. - 1900.-2987.7-650.)/2.;
+ gMC->Gsvolu("CMO7", "BOX", idtmed[1123], tbox, 3);
+ gMC->Gspos("CMO7", 1, "CRT", 0., 4420.-tbox[1], 1900.+2987.7+650.+tbox[2], 0, "MANY");
+
+ // Along the PX24 , upper part.
+ tube[0] = 1250.;
+ tube[1] = 2300;
+ tube[2] = 2575. - 1300. + 95.;
+ gMC->Gsvolu("CMO4", "TUBE", idtmed[1123], tube, 3);
+ gMC->Gspos("CMO4", 1, "CRT", 0., 404.+1300.+tube[2], -2300., idrotm[2003], "MANY");
+
+ // Along the PX24 , lower part
+ tspar[0] = 1250.;
+ tspar[1] = 2300;
+ tspar[2] = 1300.;
+ tspar[3] = kRaddeg*TMath::ASin(1070./1150.);
+ tspar[4] = 360. - tspar[3];
+ gMC->Gsvolu("CMO5", "TUBS", idtmed[1123], tspar, 5);
+ gMC->Gspos("CMO5", 1, "CRT", 0., 404., -2300., idrotm[2003], "MANY");
+ // behind the PX24
+ tbox[0] = 12073.;
+ tbox[1] = 2575. + 95.;
+ tbox[2] = 8523./2.;
+ gMC->Gsvolu("CMO6", "BOX", idtmed[1123], tbox, 3);
+ gMC->Gspos("CMO6", 1, "CRT", 0., 4420.-tbox[1], -3550.-tbox[2], 0, "MANY");
+
+
+ // On the right side of th hall
+ tbox[0] = (12073. - 1250.)/2.;
+ tbox[1] = 2575. + 95.;
+ tbox[2] = (8437.7+650.)/2.;
+ gMC->Gsvolu("CMO8", "BOX", idtmed[1123], tbox, 3);
+ gMC->Gspos("CMO8", 1, "CRT", 1250.+tbox[0], 4420.-tbox[1], -3550.+tbox[2], 0, "MANY");
+
+ // on the left side of the hall, behind
+ tbox[0] = (12073. - 2755.)/2.;
+ tbox[1] = 2575. + 95.;
+ tbox[2] = (8437.7+650.)/2.;
+ gMC->Gsvolu("CMO9", "BOX", idtmed[1123], tbox, 3);
+ gMC->Gspos("CMO9", 1, "CRT", -2755.-tbox[0], 4420.-tbox[1], -3550.+tbox[2], 0, "MANY");
+
+
+ // Molasse betwen the PX24 & PM25 on the left side.
+ tbox[0] = (2755. - 1250.)/2.;
+ tbox[1] = 2575. + 95.;
+ tbox[2] = (3550. - 555.)/2.;
+ gMC->Gsvolu("CM10", "BOX", idtmed[1123], tbox, 3);
+ gMC->Gspos("CM10", 1, "CRT", -1250.-tbox[0], 4420.-tbox[1], -tbox[2]-555., 0, "MANY");
+
+
+ // Molasse betwen the PGC2 & PM25 on the left side.
+ tbox[0] = (2755. - 1250.)/2.;
+ tbox[1] = 2575. + 95.;
+ tbox[2] = (1900.+2987.7 - 555. + 650.)/2.;
+ gMC->Gsvolu("CM11", "BOX", idtmed[1123], tbox, 3);
+ gMC->Gspos("CM11", 1, "CRT", -1250.-tbox[0], 4420.-tbox[1], 555.+tbox[2], 0, "MANY");
+
+
+}
+
+//_____________________________________________________________________________
+void AliCRTv1::CreateShafts()
+{
+ //
+ //
+ //
+ Int_t idrotm[2499]; // The rotation matrix.
+
+ Int_t * idtmed = fIdtmed->GetArray() - 1099 ;
+
+ // Create a mother volume.
+ Float_t pbox[3];
+ //pbox[0] = AliCRTConstants::fgDepth*TMath::Tan(67.5*kDegrad);
+ pbox[0] = 12073.;
+ pbox[1] = AliCRTConstants::fgDepth;
+ pbox[2] = pbox[0];
+ gMC->Gsvolu("CRT", "BOX", idtmed[1114], pbox, 3);
+ gMC->Gspos("CRT", 1, "ALIC", 0., 0., 0., 0, "ONLY");
+
+ // HAll ceiling
+ Float_t ptubs[5];
+ ptubs[0] = 1070.;
+ ptubs[1] = 1170.;
+ ptubs[2] = 1900.;
+ ptubs[3] = 0.;
+ ptubs[4] = 180.;
+ gMC->Gsvolu("CHC1", "TUBS", idtmed[1116], ptubs, 5);
+ gMC->Gspos("CHC1", 1, "CRT", 0., 500., 0., 0, "ONLY");
+
+
+ //
+ // Acces shafts
+ //
+ AliMatrix(idrotm[2001], 0., 0., 90., 0., 90., 90.);
+
+ // PX24
+ ptubs[0] = 1150.;
+ ptubs[1] = 1250.;
+ ptubs[2] = 1300.;
+ ptubs[3] = kRaddeg*TMath::ASin(1070./ptubs[0]);
+ ptubs[4] = 360 - ptubs[3];
+ gMC->Gsvolu("CSF1", "TUBS", idtmed[1116], ptubs, 5);
+ gMC->Gspos("CSF1", 1, "CRT", 0., 404., -2300., idrotm[2001], "MANY");
+
+ Float_t ptube[3];
+ ptube[0] = ptubs[0];
+ ptube[1] = ptubs[1];
+ ptube[2] = 2575. - ptubs[2] + 95.;
+ gMC->Gsvolu("CSF2", "TUBE", idtmed[1116], ptube, 3);
+ gMC->Gspos("CSF2", 1, "CRT", 0., 404.+ptubs[2]+ptube[2], -2300., idrotm[2001], "MANY");
+
+ // Concrete walls along the shaft
+ pbox[0] = 585./2.;
+ pbox[1] = 2575. + 95.;
+ pbox[2] = 20.;
+ gMC->Gsvolu("CSW1", "BOX", idtmed[1116], pbox, 3);
+ gMC->Gspos("CSW1", 1, "CRT", -290-pbox[0], 404.-1300.+pbox[1], -3450.+210.*2, 0, "MANY");
+
+ //
+ pbox[0] = 750./2.;
+ pbox[1] = 2575. + 95.;
+ pbox[2] = 20.;
+ gMC->Gsvolu("CSW3", "BOX", idtmed[1116], pbox, 3);
+ gMC->Gspos("CSW3", 1, "CRT", 420.-290.+pbox[0], 404.-1300.+pbox[1], -3450.+210.*2, 0, "MANY");
+
+ //
+ pbox[0] = 60.;
+ pbox[1] = 2575. + 95.;
+ pbox[2] = 210.;
+ gMC->Gsvolu("CSW2", "BOX", idtmed[1116], pbox, 3);
+ gMC->Gspos("CSW2", 1, "CRT", -290-pbox[0], 404.-1300.+pbox[1], -3450.+pbox[2], 0, "MANY");
+ gMC->Gspos("CSW2", 2, "CRT", 420.-290.+pbox[0], 404.-1300.+pbox[1], -3450.+pbox[2], 0, "MANY");
+
+
+ //
+ pbox[0] = 1000.;
+ pbox[1] = 80.;
+ pbox[2] = 200.;
+ gMC->Gsvolu("CSP1", "BOX", idtmed[1116], pbox, 3);
+ gMC->Gspos("CSP1", 1, "CRT", 0., 2600.-700., -1150-pbox[2], 0, "MANY");
+
+ //
+ pbox[0] = 340.8;
+ pbox[1] = 300./2.;
+ pbox[2] = 460./2.;
+ gMC->Gsvolu("CSP2", "BOX", idtmed[1116], pbox, 3);
+ gMC->Gspos("CSP2", 1, "CRT", 0., 2950.-700., -3450+pbox[2], 0, "MANY");
+
+ //
+ pbox[0] = 600.;
+ pbox[1] = 150.;
+ pbox[2] = 75.;
+ gMC->Gsvolu("CSP3", "BOX", idtmed[1116], pbox, 3);
+ gMC->Gspos("CSP3", 1, "CRT", 0., 2950.-700., -1150.-210.-pbox[2], 0, "MANY");
+
+ //
+ pbox[0] = 600.;
+ pbox[1] = 250.;
+ pbox[2] = 38.;
+ gMC->Gsvolu("CSP4", "BOX", idtmed[1116], pbox, 3);
+ gMC->Gspos("CSP4", 1, "CRT", 0., 2950.-700.+155.+pbox[1], -1150.-210.-pbox[2], 0, "MANY");
+
+
+ // Shielding plug
+ pbox[0] = 850.;
+ pbox[1] = 90.;
+ pbox[2] = 720.;
+ gMC->Gsvolu("CSP5", "BOX", idtmed[1116], pbox, 3);
+ gMC->Gspos("CSP5", 1, "CRT", 0., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
+
+ //
+ pbox[0] = 80.;
+ pbox[1] = 150.;
+ pbox[2] = 720.;
+ gMC->Gsvolu("CSP6", "BOX", idtmed[1116], pbox, 3);
+ gMC->Gspos("CSP6", 1, "CRT", 1150.-600., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
+ gMC->Gspos("CSP6", 2, "CRT", -1150.+600., 2950.-700., -3450.+460.+pbox[2], 0, "MANY");
+
+
+ //
+ pbox[0] = 130.;
+ pbox[1] = 60.;
+ pbox[2] = 750.;
+ gMC->Gsvolu("CSP7", "BOX", idtmed[1116], pbox, 3);
+ gMC->Gspos("CSP7", 1, "CRT", 850.+pbox[0], 2950.-700.+100., -3450.+460.+pbox[2], 0, "MANY");
+ gMC->Gspos("CSP7", 2, "CRT", -850.-pbox[0], 2950.-700.+100., -3450.+460.+pbox[2], 0, "MANY");
+
+
+ // PM25 Acces Shaft
+ ptube[0] = 910./2.;
+ ptube[1] = ptube[0] + 100.;
+ ptube[2] = (5150. - 1166.)/2.;
+ gMC->Gsvolu("CSF3", "TUBE", idtmed[1116], ptube, 3);
+ gMC->Gspos("CSF3", 1, "CRT", -2100., AliCRTConstants::fgDepth-ptube[2], 0., idrotm[2001], "MANY");
+
+ // PGC2 Access Shaft
+ ptube[0] = 1100./2.;
+ ptube[1] = ptube[0] + 100.;
+ ptube[2] = (5150. - 690.)/2.;
+ gMC->Gsvolu("CSF4", "TUBE", idtmed[1116], ptube, 3);
+ gMC->Gspos("CSF4", 1, "CRT", 375., AliCRTConstants::fgDepth-ptube[2], 1900.+2987.7, idrotm[2001], "MANY");
+
+}
+
+//_____________________________________________________________________________
+void AliCRTv1::DrawDetector()
+{
+ //
+ // Draw a shaded view of the L3 magnet
+ //
+ cout << "AliCRTv1::DrawModule() : Drawing the module" << endl;
+
+
+ Int_t able = 1;
+ Int_t enable = 0;
+ gMC->Gsatt("*", "seen", -1);
+ gMC->Gsatt("alic", "seen", 0);
+
+ gMC->Gsatt("ALIC","seen",enable);
+ gMC->Gsatt("CRT", "seen",enable);
+ gMC->Gsatt("L3MO","seen", able); // L3 Magnet
+ //gMC->Gsatt("CRT1","seen", able); // Scintillators
+ gMC->Gsatt("CRT4","seen", able); // Scintillators barrel
+
+ // Draw the molasse volumes
+ gMC->Gsatt("CMO1","seen",enable); // Exactly above the HALL
+ gMC->Gsatt("CMO2","seen",enable); // Molasse, along the PM25
+ gMC->Gsatt("CMO3","seen",enable); // molasse along the PGC2
+ gMC->Gsatt("CMO4","seen",enable); // Molasse, behind the PX24 upper part
+ gMC->Gsatt("CMO5","seen",enable); // molasse behind px24, lower part
+ gMC->Gsatt("CMO6","seen",enable); // behind the PX24
+ gMC->Gsatt("CMO7","seen",enable); // behind the PGC2
+ gMC->Gsatt("CMO8","seen",enable); // on the right side.
+ gMC->Gsatt("CMO9","seen",enable); // on the left side.
+ gMC->Gsatt("CM10","seen",enable); // betwen PX24 & PM25.
+ gMC->Gsatt("CM11","seen",enable); // betwen PGC2 & PM25.
+ gMC->Gsatt("CM12","seen",enable); // box above the hall.
+
+ gMC->Gdopt("hide", "on");
+ gMC->Gdopt("edge","off");
+ gMC->Gdopt("shad", "on");
+ gMC->Gsatt("*", "fill", 7);
+ gMC->SetClipBox("ALIC", 0, 3000, -3000, 3000, -6000, 6000);
+ gMC->DefaultRange();
+ gMC->Gdraw("alic", 40, 30, 0, 10, 9.5, .009, .009);
+ gMC->Gdhead(1111, "View of CRT(ACORDE)");
+ gMC->Gdman(18, 4, "MAN");
+
+
+}
+
+//_____________________________________________________________________________
+void AliCRTv1::Init()
+{
+ //
+ // Initialise L3 magnet after it has been built
+ Int_t i;
+ //
+ if(fDebug) {
+ printf("\n%s: ",ClassName());
+ for(i=0;i<35;i++) printf("*");
+ printf(" CRTv1_INIT ");
+ for(i=0;i<35;i++) printf("*");
+ printf("\n%s: ",ClassName());
+ //
+ // Here the CRTv1 initialisation code (if any!)
+ for(i=0;i<80;i++) printf("*");
+ printf("\n");
+ }
+
+}
+
+//____________________________________________________________________________
+void AliCRTv1::StepManager()
+{
+ //
+ // Called for every step in the Cosmic Ray Trigger
+ //
+ static Int_t vol[5];
+ Int_t ipart;
+ TLorentzVector pos;
+ TLorentzVector mom;
+
+ static Float_t hits[14];
+ static Float_t eloss;
+ static Float_t elossMag;
+
+ if ( !gMC->IsTrackAlive() ) return;
+
+ if (gMC->IsNewTrack()) {
+ // Reset the deposited energy
+ eloss = 0.;
+ elossMag = 0.;
+ }
+
+ // Add th energy loss in each step.
+ eloss += gMC->Edep();
+
+ gMC->TrackPosition(pos);
+
+ //
+ // CRT
+ //
+
+ if ( gMC->IsTrackEntering() && (strcmp(gMC->CurrentVolName(),"CRT4") == 0)
+ &&(gMC->TrackPid() == kMuonMinus || gMC->TrackPid() == kMuonPlus) ) {
+
+ // Get current particle id(ipart),track position (pos) and momentum (mom)
+ gMC->TrackPosition(pos);
+ gMC->TrackMomentum(mom);
+ ipart = gMC->TrackPid();
+
+ vol[0] = 1;
+ vol[1] = 0;
+ vol[2] = 0;
+ vol[3] = 0;
+ vol[4] = 0;
+
+ ipart = gMC->TrackPid();
+ hits[0] = (Float_t)ipart; // (fId)
+
+ hits[1] = pos[0]; // X coordinate (fX)
+ hits[2] = pos[1]; // Y coordinate (fY)
+ hits[3] = pos[2]; // Z coordinate (fZ)
+ hits[4] = mom[0]; // Px (fpxug)
+ hits[5] = mom[1]; // Py (fpyug)
+ hits[6] = mom[2]; // Pz (fpzug)
+
+ hits[7] = gMC->GetMedium(); //layer(flay)
+ hits[8] = eloss; // Energy loss
+
+ hits[9] = 1; // CRT mother activated.
+ hits[10] = 0;
+ hits[11] = 0;
+ hits[12] = 0;
+ hits[13] = 0;
+
+ //hits[9] = gAlice->CurrentTrack();
+
+ AddHit(gAlice->CurrentTrack(),vol, hits);
+
+ eloss = 0.;
+
+ } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CRT1")==0)
+ &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
+
+ vol[0] = 0;
+ vol[1] = 1;
+ vol[2] = 0;
+ vol[3] = 0;
+ vol[4] = 0;
+
+ hits[9] = 0; // CRT mother activated.
+ hits[10] = 1;
+ hits[11] = 0;
+ hits[12] = 0;
+ hits[13] = 0;
+
+ //hits[10] = 1;
+
+ //AddHit(gAlice->CurrentTrack(),vol, hits);
+
+ //eloss = 0.;
+
+
+ } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"C3CI")==0)
+ &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
+
+ //
+ // Inside the magnet, upper part.
+ //
+
+ // Get current particle id(ipart),track position (pos) and momentum (mom)
+
+ vol[0] = 0;
+ vol[1] = 0;
+ vol[2] = 1;
+ vol[3] = 0;
+ vol[4] = 0;
+
+ hits[9] = 0; // CRT mother activated.
+ hits[10] = 0;
+ hits[11] = 1;
+ hits[12] = 0;
+ hits[13] = 0;
+
+ AddHit(gAlice->CurrentTrack(),vol, hits);
+
+ //eloss = 0.;
+
+ } else if ( gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CRIC")==0)
+ && (gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus) ) {
+
+ //
+ // HMPID
+ //
+
+ // Get current particle id(ipart),track position (pos) and momentum (mom)
+
+ vol[0] = 0;
+ vol[1] = 0;
+ vol[2] = 0;
+ vol[3] = 1;
+ vol[4] = 0;
+
+ hits[9] = 0;
+ hits[10] = 0;
+ hits[11] = 0;
+ hits[12] = 1;
+ hits[13] = 0;
+
+ AddHit(gAlice->CurrentTrack(),vol, hits);
+
+ //eloss = 0.;
+
+
+ } else if (gMC->IsTrackEntering()&&(strcmp(gMC->CurrentVolName(),"CSA1")==0)
+ &&(gMC->TrackPid()==kMuonMinus || gMC->TrackPid()==kMuonPlus)) {
+
+ //
+ // TPC
+ //
+
+ // Get current particle id(ipart),track position (pos) and momentum (mom)
+
+ vol[0] = 0;
+ vol[1] = 0;
+ vol[2] = 0;
+ vol[3] = 0;
+ vol[4] = 1;
+
+ hits[9] = 0;
+ hits[10] = 0;
+ hits[11] = 0;
+ hits[12] = 0;
+ hits[13] = 1;
+
+
+ AddHit(gAlice->CurrentTrack(),vol, hits);
+
+ //eloss = 0.;
+
+ } else {
+ return;
+ }
+
+
+}