+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+
+/*
+$Log$
+Revision 1.16 2000/05/10 16:52:18 vicinanz
+New TOF version with holes for PHOS/RICH
+
+Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz
+New version with Holes for PHOS/RICH
+
+Revision 1.14 1999/11/05 22:39:06 fca
+New hits structure
+
+Revision 1.13 1999/11/02 11:26:39 fca
+added stdlib.h for exit
+
+Revision 1.12 1999/11/01 20:41:57 fca
+Added protections against using the wrong version of FRAME
+
+Revision 1.11 1999/10/22 08:04:14 fca
+Correct improper use of negative parameters
+
+Revision 1.10 1999/10/16 19:30:06 fca
+Corrected Rotation Matrix and CVS log
+
+Revision 1.9 1999/10/15 15:35:20 fca
+New version for frame1099 with and without holes
+
+Revision 1.8 1999/09/29 09:24:33 fca
+Introduction of the Copyright and cvs Log
+
+*/
+
///////////////////////////////////////////////////////////////////////////////
// //
-// Time Of Flight //
-// This class contains the functions for version 0 of the Time Of Flight //
+// Time Of Flight: design of C.Williams FCA //
+// This class contains the functions for version 1 of the Time Of Flight //
// detector. //
-// //
+//
+// VERSION WITH 5 MODULES AND TILTED STRIPS
+//
+// FULL COVERAGE VERSION
+//
+// Authors:
+//
+// Alessio Seganti
+// Domenico Vicinanza
+//
+// University of Salerno - Italy
+//
+//
//Begin_Html
/*
<img src="picts/AliTOFv0Class.gif">
// //
///////////////////////////////////////////////////////////////////////////////
+#include <iostream.h>
+#include <stdlib.h>
+
#include "AliTOFv0.h"
+#include "TBRIK.h"
+#include "TGeometry.h"
+#include "TNode.h"
+#include "TObject.h"
#include "AliRun.h"
+#include "AliMC.h"
#include "AliConst.h"
-
+
ClassImp(AliTOFv0)
//_____________________________________________________________________________
//
// Default constructor
//
+
+ //
+ // Check that FRAME is there otherwise we have no place where to
+ // put TOF
+ AliModule* FRAME=gAlice->GetModule("FRAME");
+ if(!FRAME) {
+ Error("Ctor","TOF needs FRAME to be present\n");
+ exit(1);
+ } else
+ if(FRAME->IsVersion()!=1) {
+ Error("Ctor","FRAME version 1 needed with this version of TOF\n");
+ exit(1);
+ }
+
+
}
//_____________________________________________________________________________
: AliTOF(name,title)
{
//
- // Standard constructor for version 0 of the Time Of Flight
+ // Standard constructor
//
}
+//_____________________________________________________________________________
+void AliTOFv0::BuildGeometry()
+{
+ // Build TOF ROOT geometry for the ALICE event viewver
+ //
+ TNode *Node, *Top;
+ const int kColorTOF = 27;
+
+ // Find top TNODE
+ Top = gAlice->GetGeometry()->GetNode("alice");
+
+ // Position the different copies
+ const Float_t rTof =(fRmax+fRmin)/2;
+ const Float_t hTof = fRmax-fRmin;
+ const Int_t fNTof = 18;
+ const Float_t kPi = TMath::Pi();
+ const Float_t angle = 2*kPi/fNTof;
+ Float_t ang;
+
+ // Define TOF basic volume
+
+ char NodeName0[6], NodeName1[6], NodeName2[6];
+ char NodeName3[6], NodeName4[6], RotMatNum[6];
+
+ new TBRIK("S_TOF_C","TOF box","void",
+ 120*0.5,hTof*0.5,fZlenC*0.5);
+ new TBRIK("S_TOF_B","TOF box","void",
+ 120*0.5,hTof*0.5,fZlenB*0.5);
+ new TBRIK("S_TOF_A","TOF box","void",
+ 120*0.5,hTof*0.5,fZlenA*0.5);
+
+ for (Int_t NodeNum=1;NodeNum<19;NodeNum++){
+
+ if (NodeNum<10) {
+ sprintf(RotMatNum,"rot50%i",NodeNum);
+ sprintf(NodeName0,"FTO00%i",NodeNum);
+ sprintf(NodeName1,"FTO10%i",NodeNum);
+ sprintf(NodeName2,"FTO20%i",NodeNum);
+ sprintf(NodeName3,"FTO30%i",NodeNum);
+ sprintf(NodeName4,"FTO40%i",NodeNum);
+ }
+ if (NodeNum>9) {
+ sprintf(RotMatNum,"rot5%i",NodeNum);
+ sprintf(NodeName0,"FTO0%i",NodeNum);
+ sprintf(NodeName1,"FTO1%i",NodeNum);
+ sprintf(NodeName2,"FTO2%i",NodeNum);
+ sprintf(NodeName3,"FTO3%i",NodeNum);
+ sprintf(NodeName4,"FTO4%i",NodeNum);
+ }
+
+ new TRotMatrix(RotMatNum,RotMatNum,90,-20*NodeNum,90,90-20*NodeNum,0,0);
+ ang = (4.5-NodeNum) * angle;
+
+ Top->cd();
+ Node = new TNode(NodeName0,NodeName0,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),299.15,RotMatNum);
+ Node->SetLineColor(kColorTOF);
+ fNodes->Add(Node);
+
+ Top->cd();
+ Node = new TNode(NodeName1,NodeName1,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-299.15,RotMatNum);
+ Node->SetLineColor(kColorTOF);
+ fNodes->Add(Node);
+
+ Top->cd();
+ Node = new TNode(NodeName2,NodeName2,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),146.45,RotMatNum);
+ Node->SetLineColor(kColorTOF);
+ fNodes->Add(Node);
+
+ Top->cd();
+ Node = new TNode(NodeName3,NodeName3,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-146.45,RotMatNum);
+ Node->SetLineColor(kColorTOF);
+ fNodes->Add(Node);
+
+ Top->cd();
+ Node = new TNode(NodeName4,NodeName4,"S_TOF_A",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),0.,RotMatNum);
+ Node->SetLineColor(kColorTOF);
+ fNodes->Add(Node);
+ }
+}
+
//_____________________________________________________________________________
void AliTOFv0::CreateGeometry()
{
//
- // Definition of Geometry
- // Authors : Maxim Martemianov, Boris Zagreev (ITEP) 18/09/98
+ // Create geometry for Time Of Flight version 0
+ //
//Begin_Html
/*
<img src="picts/AliTOFv0.gif">
*/
//End_Html
//
-
- AliMC* pMC = AliMC::GetMC();
-
- Float_t fil_rich;
- Int_t lmax;
- Float_t phos_phi, zcor2, zcor3, ztof0, ztof1, ztof2;
- Float_t zl, phos_r;
- Int_t idrotm[101];
- Float_t phos_x;
- Float_t rp1, rp2;
- Float_t par[10], fil_min, fil_max, ysz, fil0;
+ // Creates common geometry
//
- Int_t *idtmed = fIdtmed->GetArray()-499;
- //
- // barrel size along Z axis
- // rp1 = 360.;
- // rp2 = 372.;
- rp1 = 370;
- rp2 = rp1 + 12;
- zl = 720.;
- //
- // TOF width along radius of barrel
- //xtof = rp2 - rp1;
- ztof0 = 350.;
- ztof1 = 200.;
- ztof2 = 150.;
- //
- // Plate width
- ysz = .6;
- // PHOS and RICH angles
- phos_x = 214.6;
- phos_r = 467.;
- //phos_z = 260.;
- //rich_z = 472.5;
- fil_rich = 30.;
- lmax = 19;
- zcor2 = ztof0 - ztof1 / 2.;
- zcor3 = ztof0 - ztof2 / 2.;
- phos_phi = TMath::ATan(phos_x / (phos_r * 2.));
- fil_min = (kPI - phos_phi * 4.) * kRaddeg - 180. / lmax;
- fil_max = (phos_phi * 4. + kPI) * kRaddeg + 180. / lmax;
- // barrel radius in ALIC
- par[0] = rp1;
- par[1] = rp2;
- par[2] = zl / 2.;
- pMC->Gsvolu("FBAR", "TUBE", idtmed[500], par, 3);
- pMC->Gspos("FBAR", 1, "ALIC", 0., 0., 0., 0, "ONLY");
- pMC->Gsatt("FBAR", "SEEN", 0);
- // First Block
- par[0] = (rp1+rp2-ysz)/2.;
- par[1] = (rp1+rp2+ysz)/2.;
- par[2] = ztof0;
- par[3] = 90. - fil_min;
- par[4] = 90. - fil_rich;
- fil0 = 180. - (par[3] + par[4]);
- pMC->Gsvolu("FBT1", "TUBS", idtmed[507], par, 5);
- AliMatrix(idrotm[1], 90., fil0, 90., fil0 + 90., 0., 0.);
- pMC->Gspos("FBT1", 0, "FBAR", 0., 0., 0., 0, "ONLY");
- pMC->Gspos("FBT1", 1, "FBAR", 0., 0., 0., idrotm[1], "ONLY");
- // --- Second block
- par[2] = ztof1 / 2.;
- par[3] = 90. - fil_max;
- par[4] = 90. - fil_min;
- pMC->Gsvolu("FBT2", "TUBS", idtmed[507], par, 5);
- pMC->Gspos("FBT2", 0, "FBAR", 0., 0., zcor2, 0, "ONLY");
- pMC->Gspos("FBT2", 1, "FBAR", 0., 0.,-zcor2, 0, "ONLY");
- // --- Third block
- par[2] = ztof2 / 2.;
- par[3] = 90. - fil_rich;
- par[4] = fil_rich + 90.;
- pMC->Gsvolu("FBT3", "TUBS", idtmed[507], par, 5);
- pMC->Gspos("FBT3", 0, "FBAR", 0., 0., zcor3, 0, "ONLY");
- pMC->Gspos("FBT3", 1, "FBAR", 0., 0., -zcor3, 0, "ONLY");
+ AliTOF::CreateGeometry();
}
//_____________________________________________________________________________
-void AliTOFv0::DrawModule()
+void AliTOFv0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
+ Float_t zlenB, Float_t zlenA, Float_t ztof0)
{
//
- // Draw a shaded view of the common part of the TOF geometry
- // for versions 2 and 3
- //
+ // Definition of the Time Of Fligh Resistive Plate Chambers
+ // xFLT, yFLT, zFLT - sizes of TOF modules (large)
+
+ Float_t ycoor, zcoor;
+ Float_t par[10];
+ Int_t *idtmed = fIdtmed->GetArray()-499;
+ Int_t idrotm[100];
+ Int_t nrot = 0;
+
+ Float_t Radius = fRmin+2.;//cm
+
+ par[0] = xtof * 0.5;
+ par[1] = ytof * 0.5;
+ par[2] = zlenC * 0.5;
+ gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
+ par[2] = zlenB * 0.5;
+ gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
+ par[2] = zlenA * 0.5;
+ gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
- AliMC* pMC = AliMC::GetMC();
+
+// Positioning of modules
+
+ Float_t zcor1 = ztof0 - zlenC*0.5;
+ Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
+ Float_t zcor3 = 0.;
+
+ AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.);
+ AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.);
+ gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
+
+ gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
+
+ gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
+
+ Float_t db = 0.5;//cm
+ Float_t xFLT, yFLT, zFLTA, zFLTB, zFLTC;
+
+ xFLT = 122.0;//cm
+ yFLT = ytof;
+ zFLTA = zlenA - db*0.5;
+ zFLTB = zlenB - db*0.5;
+ zFLTC = zlenC - db*0.5;
+
+// Sizes of MRPC pads
+
+ Float_t yPad = 0.505;//cm
+// Large not sensitive volumes with CO2
+ par[0] = xFLT*0.5;
+ par[1] = yFLT*0.5;
+
+ cout <<"************************* TOF geometry **************************"<<endl;
+
+ par[2] = (zFLTA *0.5);
+ gMC->Gsvolu("FLTA", "BOX ", idtmed[506], par, 3); // CO2
+ gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
+
+ par[2] = (zFLTB * 0.5);
+ gMC->Gsvolu("FLTB", "BOX ", idtmed[506], par, 3); // CO2
+ gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
+
+ par[2] = (zFLTC * 0.5);
+ gMC->Gsvolu("FLTC", "BOX ", idtmed[506], par, 3); // CO2
+ gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
+
+////////// Layers before detector ////////////////////
+
+// MYlar layer in front 1.0 mm thick at the beginning
+ par[0] = -1;
+ par[1] = 0.1;//cm
+ par[2] = -1;
+ ycoor = -yFLT/2 + par[1];
+ gMC->Gsvolu("FMYA", "BOX ", idtmed[508], par, 3); // Alluminium
+ gMC->Gspos ("FMYA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FMYB", "BOX ", idtmed[508], par, 3); // Alluminium
+ gMC->Gspos ("FMYB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FMYC", "BOX ", idtmed[508], par, 3); // Alluminium
+ gMC->Gspos ("FMYC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
+
+// honeycomb (special Polyethilene Layer of 1cm)
+ ycoor = ycoor + par[1];
+ par[0] = -1;
+ par[1] = 0.5;//cm
+ par[2] = -1;
+ ycoor = ycoor + par[1];
+ gMC->Gsvolu("FPLA", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gspos ("FPLA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FPLB", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gspos ("FPLB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FPLC", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gspos ("FPLC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
+
+///////////////// Detector itself //////////////////////
+
+ const Float_t StripWidth = 10.0;//cm
+ const Float_t DeadBound = 1.5;//cm non-sensitive between the pad edge
+ //and the boundary of the strip
+ const Int_t nx = 48; // number of pads along x
+ const Int_t nz = 2; // number of pads along z
+ const Float_t Space= 5.5; //cm distance from the front plate of the box
+
+ Float_t zSenStrip;
+ zSenStrip = StripWidth-2*DeadBound;//cm
+
+ par[0] = xFLT/2;
+ par[1] = yPad/2;
+ par[2] = StripWidth/2.;
+
+ // glass layer of detector STRip
+ gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3);
+
+ // Non-Sesitive Freon boundaries
+ par[0] = xFLT*0.5;
+ par[1] = 0.110*0.5;//cm
+ par[2] = -1;
+ gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3);
+ gMC->Gspos ("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY");
+
+ // MYlar for Internal non-sesitive boundaries
+ par[1] = 0.025;//cm
+ gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3);
+ gMC->Gspos ("FMYI",0,"FNSF",0.,0.,0.,0,"ONLY");
+
+ // MYlar eXternal layers
+ par[1] = 0.035*0.5;//cm
+ ycoor = -yPad*0.5+par[1];
+ gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3);
+ gMC->Gspos ("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY");
+ gMC->Gspos ("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
+ ycoor += par[1];
+
+ // GRaphyte Layers
+ par[1] = 0.003*0.5;
+ ycoor += par[1];
+ gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3);
+ gMC->Gspos ("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY");
+ gMC->Gspos ("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
+
+ // freon sensitive layer (Chlorine-Fluorine-Carbon)
+ par[0] = -1;
+ par[1] = 0.110*0.5;
+ par[2] = zSenStrip*0.5;
+ gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3);
+ gMC->Gspos ("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY");
+
+ // Pad definition x & z
+ gMC->Gsdvn("FLZ","FCFC", nz, 3);
+ gMC->Gsdvn("FLX","FLZ" , nx, 1);
+
+ // MRPC PAD itself
+ par[0] = -1;
+ par[1] = -1;
+ par[2] = -1;
+ gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);
+ gMC->Gspos ("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY");
+
+//// Positioning the Strips (FSTR) in the FLT volumes /////
+
+ // Plate A (Central)
+
+ Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
+
+ Float_t Gap = 4.; //cm distance between the strip axis
+ Float_t zpos = 0;
+ Float_t ang = 0;
+ Float_t last;
+ Int_t i=1,j=1;
+ nrot = 0;
+ zcoor = 0;
+ ycoor = -14.5 + Space ; //2 cm over front plate
+
+ AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
+ gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
+ zcoor -= zSenStrip;
+
+ j++;
+ Int_t UpDown = -1; // UpDown=-1 -> Upper strip
+ // UpDown=+1 -> Lower strip
+ do{
+ ang = atan(zcoor/Radius);
+ ang *= kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
+ AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
+ ang /= kRaddeg;
+ ycoor = -14.5+ Space; //2 cm over front plate
+ ycoor += (1-(UpDown+1)/2)*Gap;
+ gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
+ gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
+ j += 2;
+ UpDown*= -1; // Alternate strips
+ zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
+ UpDown*Gap*TMath::Tan(ang)-
+ (zSenStrip/2)/TMath::Cos(ang);
+ } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
+
+ zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)-
+ UpDown*Gap*TMath::Tan(ang)+
+ (zSenStrip/2)/TMath::Cos(ang);
+
+ Gap = 6.;
+ zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
+ UpDown*Gap*TMath::Tan(ang)-
+ (zSenStrip/2)/TMath::Cos(ang);
+
+ ang = atan(zcoor/Radius);
+ ang *= kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
+ AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
+ ang /= kRaddeg;
+
+ ycoor = -14.5+ Space; //2 cm over front plate
+ ycoor += (1-(UpDown+1)/2)*Gap;
+ gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
+ gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
+
+ ycoor = -29./2.+ Space;//2 cm over front plate
+
+ // Plate B
+
+ nrot = 0;
+ i=1;
+ UpDown *= -1;
+
+ zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
+ UpDown*Gap*TMath::Tan(ang)-
+ (zSenStrip/2)/TMath::Cos(ang)-0.5/TMath::Cos(ang);
+
+ ang = atan(zpos/Radius);
+ ang *= kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+ ang /= kRaddeg;
+ ycoor = -29.*0.5+ Space ; //2 cm over front plate
+ ycoor += (1-(UpDown+1)/2)*Gap;
+ zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
+ gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
+ i++;
+ UpDown*=-1;
+
+ do {
+ zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
+ UpDown*Gap*TMath::Tan(ang)-
+ (zSenStrip/2)/TMath::Cos(ang);
+ ang = atan(zpos/Radius);
+ ang *= kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+ ang /= kRaddeg;
+ ycoor = -29.*0.5+ Space ; //2 cm over front plate
+ ycoor += (1-(UpDown+1)/2)*Gap;
+ zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
+ gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
+ UpDown*=-1;
+ i++;
+ } while (TMath::Abs(ang*kRaddeg)<22.5);//till we reach a tilting angle of 22.5 degrees
+
+ ycoor = -29.*0.5+ Space ; //2 cm over front plate
+
+ do {
+ i++;
+ ang = atan(zpos/Radius);
+ ang *= kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+ ang /= kRaddeg;
+ zcoor = zpos+(zFLTB/2+zFLTA/2+db);
+ gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
+ zpos = zpos - zSenStrip/TMath::Cos(ang);
+ last = StripWidth*TMath::Cos(ang)/2.;
+ } while (zpos>-t+zFLTC+db);
+
+ // Plate C
+
+ zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
+ Gap*TMath::Tan(ang)-
+ (zSenStrip/2)/TMath::Cos(ang);
+
+ nrot = 0;
+ i=0;
+ ycoor= -29.*0.5+Space+Gap;
+
+ do {
+ i++;
+ ang = atan(zpos/Radius);
+ ang *= kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+ ang /= kRaddeg;
+ zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
+ gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
+ zpos = zpos - zSenStrip/TMath::Cos(ang);
+ last = StripWidth*TMath::Cos(ang)*0.5;
+ } while (zpos>-t+last);
+
+
+////////// Layers after detector /////////////////
+
+// honeycomb (Polyethilene) Layer after (3cm)
+
+ Float_t OverSpace = 15.30;//cm
+
+ par[0] = -1;
+ par[1] = 0.6;
+ par[2] = -1;
+ ycoor = -yFLT/2 + OverSpace + par[1];
+ gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
+
+// Electronics (Cu) after
+ ycoor += par[1];
+ par[0] = -1;
+ par[1] = 1.43*0.05*0.5; // 5% of X0
+ par[2] = -1;
+ ycoor += par[1];
+ gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
+ gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
+ gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
+ gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
+
+// cooling WAter after
+ ycoor += par[1];
+ par[0] = -1;
+ par[1] = 36.1*0.02*0.5; // 2% of X0
+ par[2] = -1;
+ ycoor += par[1];
+ gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
+ gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
+ gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
+ gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
+
+//Back Plate honycomb (2cm)
+ par[0] = -1;
+ par[1] = 2 *0.5;
+ par[2] = -1;
+ ycoor = yFLT/2 - par[1];
+ gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
+}
+
+//_____________________________________________________________________________
+void AliTOFv0::DrawModule()
+{
+ //
+ // Draw a shaded view of the Time Of Flight version 1
+ //
// Set everything unseen
- pMC->Gsatt("*", "seen", -1);
+ gMC->Gsatt("*", "seen", -1);
//
// Set ALIC mother transparent
- pMC->Gsatt("ALIC","SEEN",0);
+ gMC->Gsatt("ALIC","SEEN",0);
//
// Set the volumes visible
- pMC->Gsatt("FBAR","SEEN",0);
- pMC->Gsatt("FBT1","SEEN",1);
- pMC->Gsatt("FBT2","SEEN",1);
- pMC->Gsatt("FBT3","SEEN",1);
- //
- pMC->Gdopt("hide", "on");
- pMC->Gdopt("shad", "on");
- pMC->Gsatt("*", "fill", 7);
- //
- pMC->SetClipBox(".");
- pMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
- pMC->DefaultRange();
- pMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
- pMC->Gdhead(1111, "Time Of Flight");
- pMC->Gdman(18, 4, "MAN");
- pMC->Gdopt("hide","off");
+ gMC->Gsatt("ALIC","SEEN",0);
+
+ gMC->Gsatt("FTOA","SEEN",1);
+ gMC->Gsatt("FTOB","SEEN",1);
+ gMC->Gsatt("FTOC","SEEN",1);
+ gMC->Gsatt("FLTA","SEEN",1);
+ gMC->Gsatt("FLTB","SEEN",1);
+ gMC->Gsatt("FLTC","SEEN",1);
+ gMC->Gsatt("FPLA","SEEN",1);
+ gMC->Gsatt("FPLB","SEEN",1);
+ gMC->Gsatt("FPLC","SEEN",1);
+ gMC->Gsatt("FSTR","SEEN",1);
+ gMC->Gsatt("FPEA","SEEN",1);
+ gMC->Gsatt("FPEB","SEEN",1);
+ gMC->Gsatt("FPEC","SEEN",1);
+
+ gMC->Gsatt("FLZ1","SEEN",0);
+ gMC->Gsatt("FLZ2","SEEN",0);
+ gMC->Gsatt("FLZ3","SEEN",0);
+ gMC->Gsatt("FLX1","SEEN",0);
+ gMC->Gsatt("FLX2","SEEN",0);
+ gMC->Gsatt("FLX3","SEEN",0);
+ gMC->Gsatt("FPAD","SEEN",0);
+
+ gMC->Gdopt("hide", "on");
+ gMC->Gdopt("shad", "on");
+ gMC->Gsatt("*", "fill", 7);
+ gMC->SetClipBox(".");
+ gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
+ gMC->DefaultRange();
+ gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
+ gMC->Gdhead(1111, "Time Of Flight");
+ gMC->Gdman(18, 4, "MAN");
+ gMC->Gdopt("hide","off");
}
//_____________________________________________________________________________
void AliTOFv0::Init()
{
//
- // Initialise detector after that it has been built
+ // Initialise the detector after the geometry has been defined
//
+ printf("**************************************"
+ " TOF "
+ "**************************************\n");
+ printf("\n Version 0 of TOF initialing, "
+ "symmetric TOF\n");
- AliMC* pMC = AliMC::GetMC();
-
AliTOF::Init();
- fIdFBT2=pMC->VolId("FBT2");
- fIdFBT3=pMC->VolId("FBT3");
+
+ fIdFTOA = gMC->VolId("FTOA");
+ fIdFTOB = gMC->VolId("FTOB");
+ fIdFTOC = gMC->VolId("FTOC");
+ fIdFLTA = gMC->VolId("FLTA");
+ fIdFLTB = gMC->VolId("FLTB");
+ fIdFLTC = gMC->VolId("FLTC");
+
+ printf("**************************************"
+ " TOF "
+ "**************************************\n");
}
//_____________________________________________________________________________
{
//
// Procedure called at each step in the Time Of Flight
- Float_t hits[8];
- Int_t vol[3];
- Int_t copy, id;
//
- // Get the pointer to the MonteCarlo
- AliMC *pMC= AliMC::GetMC();
- Int_t *idtmed = fIdtmed->GetArray()-499;
- if(pMC->GetMedium()==idtmed[510-1] &&
- pMC->TrackEntering() && pMC->TrackCharge()
- && (id=pMC->CurrentVol(0,copy))==fIdSens) {
- TClonesArray &lhits = *fHits;
- //
- // Record only charged tracks at entrance
- vol[2]=copy;
- vol[1]=pMC->CurrentVolOff(1,0,copy);
- if(id==fIdFBT2) copy+=2; else
- if(id==fIdFBT2) copy+=4;
- vol[0]=1;
- pMC->TrackPosition(hits);
- pMC->TrackMomentum(&hits[3]);
- hits[7]=pMC->TrackTime();
- new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ Float_t hits[8],rho,phi,phid,z;
+ Int_t sector, plate, pad_x, pad_z, strip;
+ Int_t copy, pad_z_id, pad_x_id, strip_id, i;
+ Int_t vol[4];
+ Int_t *idtmed = fIdtmed->GetArray()-499;
+ TLorentzVector mom, pos;
+
+
+ if(gMC->GetMedium()==idtmed[513] &&
+ gMC->IsTrackEntering() && gMC->TrackCharge()
+ && gMC->CurrentVolID(copy)==fIdSens)
+ {
+// getting information about hit volumes
+
+ pad_z_id=gMC->CurrentVolOffID(2,copy);
+ pad_z=copy;
+
+ pad_x_id=gMC->CurrentVolOffID(1,copy);
+ pad_x=copy;
+
+ strip_id=gMC->CurrentVolOffID(5,copy);
+ strip=copy;
+
+ pad_z = (strip-1)*2+pad_z;
+
+ gMC->TrackPosition(pos);
+ gMC->TrackMomentum(mom);
+
+ rho = sqrt(pos[0]*pos[0]+pos[1]*pos[1]);
+ phi = TMath::ACos(pos[0]/rho);
+ Float_t as = TMath::ASin(pos[1]/rho);
+ if (as<0) phi = 2*3.141592654-phi;
+
+ z = pos[2];
+
+ plate = 0;
+ Float_t limA = fZlenA*0.5;
+ Float_t limB = fZlenB+limA;
+
+ if (TMath::Abs(z)<=limA) plate = 3;
+ if (z<= limB && z> limA) plate = 2;
+ if (z>=-limB && z<-limA) plate = 4;
+ if (z> limB) plate = 1;
+ if (z<-limB) plate = 5;
+
+ if (plate==3) pad_z -= 2;
+
+ phid = phi*kRaddeg;
+ sector = Int_t (phid/20.);
+ sector++;
+
+ Double_t ptot = mom.Rho();
+ Double_t norm = 1/ptot;
+ for(i=0;i<3;++i) {
+ hits[i] = pos[i];
+ hits[i+3] = mom[i]*norm;
+ }
+ hits[6] = ptot;
+ hits[7] = pos[3];
+
+ vol[0] = sector;
+ vol[1] = plate;
+ vol[2] = pad_x;
+ vol[3] = pad_z;
+
+ Int_t track = gAlice->CurrentTrack();
+ AliTOF::AddHit(track,vol, hits);
}
}
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff