+/**************************************************************************
+ * 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: as for version 1 but not sensitive //
-// 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);
+ }
+
+
}
//_____________________________________________________________________________
//
}
+//_____________________________________________________________________________
+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()
{
*/
//End_Html
//
- //
- // Create common geometry
+ // Creates common geometry
//
AliTOF::CreateGeometry();
}
//_____________________________________________________________________________
-void AliTOFv0::TOFpc(Float_t xm, Float_t ym, Float_t zm0,
- Float_t zm1, Float_t zm2)
+void AliTOFv0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
+ Float_t zlenB, Float_t zlenA, Float_t ztof0)
{
//
// Definition of the Time Of Fligh Resistive Plate Chambers
- // xm, ym, zm - sizes of TOF modules (large)
+ // xFLT, yFLT, zFLT - sizes of TOF modules (large)
- Float_t ycoor;
- Float_t zazor, xp, yp, zp;
+ Float_t ycoor, zcoor;
Float_t par[10];
-
Int_t *idtmed = fIdtmed->GetArray()-499;
+ Int_t idrotm[100];
+ Int_t nrot = 0;
- // gap in RPC chamber
- zazor = .03;
- // Sizes of RPC chamber
- xp = 3.0; //small pixel
-//xp = 3.9; //large pixel
- yp = 12.3*0.05; // 5% X0 of glass
- zp = 3.0; //small pixel
-//zp = 4.1; //large pixel
- // Large not sensitive volumes with CO2
- par[0] = xm/2;
- par[1] = ym/2;
- par[2] = zm0/2;
- gMC->Gsvolu("FBT1", "BOX ", idtmed[506], par, 3); // CO2
- gMC->Gspos("FBT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
- gMC->Gsdvn("FDT1", "FBT1", 2, 3); // 2 large modules along Z
- par[2] = zm1 / 2;
- gMC->Gsvolu("FBT2", "BOX ", idtmed[506], par, 3); // CO2
- gMC->Gspos("FBT2", 1, "FTO2", 0., 0., 0., 0, "ONLY");
- gMC->Gsdvn("FDT2", "FBT2", 2, 3); // 2 (PHOS) modules along Z
- par[2] = zm2 / 2;
- gMC->Gsvolu("FBT3", "BOX ", idtmed[506], par, 3); // CO2
- gMC->Gspos("FBT3", 2, "FTO3", 0., 0., 0., 0, "ONLY");
- gMC->Gsdvn("FDT3", "FBT3", 1, 3); // 1 (RICH) module along Z
- //
- // subtraction of dead boundaries in X=2 cm and Z=7/2 cm
- par[0] = par[0]-2.;
- Int_t nz0, nz1, nz2, nx; //- numbers of pixels
- nx = Int_t (par[0]*2/xp);
+ 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);
+
+
+// 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;
- cout<< "nx = "<< nx << " x size = "<< par[0]*2/nx << endl;
- par[1] = -1;
- par[2] = (zm0 / 2.)/2.; //this is half size of module after division by 2
- par[2]=par[2]-7/2.;
- nz0 = Int_t (par[2]*2/zp);
-cout<< "nz0 = "<< nz0 << " z0 size = "<< par[2]*2/nz0 << endl;
- gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2
- gMC->Gspos("FLT1", 0, "FDT1", 0., 0., 0., 0, "ONLY");
- par[2] = (zm1 / 2.)/2.; //this is half size of module after division by 2
- par[2]=par[2]-7/2.;
- nz1 = Int_t (par[2]*2/zp);
-cout<< "nz1 = "<< nz1 << " z1 size = "<< par[2]*2/nz1 << endl;
- gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2
- gMC->Gspos("FLT2", 0, "FDT2", 0., 0., 0., 0, "ONLY");
- par[2] = (zm2 / 2.); //this is half size of module after division by 1
- par[2]=par[2]-7/2.;
- nz2 = Int_t (par[2]*2/zp);
-cout<< "nz2 = "<< nz2 << " z2 size = "<< par[2]*2/nz2 << endl;
- gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2
- gMC->Gspos("FLT3", 0, "FDT3", 0., 0., 0., 0, "ONLY");
- //
+
+ 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 0.5mm thick at the beginning
+
+// MYlar layer in front 1.0 mm thick at the beginning
par[0] = -1;
- par[1] = 0.05 / 2;
+ par[1] = 0.1;//cm
par[2] = -1;
- ycoor = -ym/2 + par[1];
- gMC->Gsvolu("FMY1", "BOX ", idtmed[511], par, 3); // Mylar
- gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FMY2", "BOX ", idtmed[511], par, 3); // Mylar
- gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FMY3", "BOX ", idtmed[511], par, 3); // Mylar
- gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
-// Honeycomb layer (1cm of special!!! polyethilene)
+ 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] = 1. / 2;
+ par[1] = 0.5;//cm
par[2] = -1;
ycoor = ycoor + par[1];
- gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
- //
+ 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 //////////////////////
- par[0] = -1;
- par[1] = yp/2; // 5 %X0 thick of glass
+
+ 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;
- ycoor = -ym/2 + 2;
- gMC->Gsvolu("FLD1", "BOX ", idtmed[514], par, 3); // Glass
- gMC->Gspos("FLD1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FLD2", "BOX ", idtmed[514], par, 3); // Glass
- gMC->Gspos("FLD2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FLD3", "BOX ", idtmed[514], par, 3); // Glass
- gMC->Gspos("FLD3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
- //
- gMC->Gsdvn("FLZ1", "FLD1", nz0, 3); //pixel size xp=zp=3
- gMC->Gsdvn("FLZ2", "FLD2", nz1, 3);
- gMC->Gsdvn("FLZ3", "FLD3", nz2, 3);
- gMC->Gsdvn("FLX1", "FLZ1", nx, 1);
- gMC->Gsdvn("FLX2", "FLZ2", nx, 1);
- gMC->Gsdvn("FLX3", "FLZ3", nx, 1);
- // RPC pixel itself
- par[0] = -1;//xp/2;
- par[1] = -1;//yp/2; // 5 %X0 thick of glass
- par[2] = -1;//zp/2;
- gMC->Gsvolu("FPA0", "BOX ", idtmed[514], par, 3);// Glass
- gMC->Gspos("FPA0", 1, "FLX1", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("FPA0", 2, "FLX2", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("FPA0", 3, "FLX3", 0., 0., 0., 0, "ONLY");
- // Freon gas sencitive volume
+ 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] = zazor/2;
+ 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("FPG0", "BOX ", idtmed[513], par, 3);// Freon
- gMC->Gspos("FPG0", 0, "FPA0", 0., 0., 0., 0, "ONLY");
- //
-////////// Layers after detector ////////////////////
- // Honeycomb layer after (3cm)
+ 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] = 1.2 / 2.;
+ par[1] = 0.6;
par[2] = -1;
- ycoor = -ym/2 + 6. - par[1];
- gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
- // Electronics (Cu) after
+ 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 / 2.; // 5% of X0
+ par[1] = 1.43*0.05*0.5; // 5% of X0
par[2] = -1;
- ycoor = -ym/2 + 6.+par[1];
- gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu
- gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu
- gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu
- gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
- // Cooling water after
- ycoor = ycoor+par[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 / 2.; // 2% of X0
+ par[1] = 36.1*0.02*0.5; // 2% of X0
par[2] = -1;
- ycoor = ycoor+par[1];
- gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water
- gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water
- gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water
- gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
- //back plate honycomb (2cm)
+ 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 / 2.;
+ par[1] = 2 *0.5;
par[2] = -1;
- ycoor = ym/2 - par[1];
- gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
+ 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 0
+ // Draw a shaded view of the Time Of Flight version 1
//
// Set everything unseen
gMC->Gsatt("*", "seen", -1);
//
// Set the volumes visible
gMC->Gsatt("ALIC","SEEN",0);
- gMC->Gsatt("FBAR","SEEN",1);
- gMC->Gsatt("FTO1","SEEN",1);
- gMC->Gsatt("FTO2","SEEN",1);
- gMC->Gsatt("FTO3","SEEN",1);
- gMC->Gsatt("FBT1","SEEN",1);
- gMC->Gsatt("FBT2","SEEN",1);
- gMC->Gsatt("FBT3","SEEN",1);
- gMC->Gsatt("FDT1","SEEN",1);
- gMC->Gsatt("FDT2","SEEN",1);
- gMC->Gsatt("FDT3","SEEN",1);
- gMC->Gsatt("FLT1","SEEN",1);
- gMC->Gsatt("FLT2","SEEN",1);
- gMC->Gsatt("FLT3","SEEN",1);
- //
+
+ 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);
//
// Initialise the detector after the geometry has been defined
//
+ printf("**************************************"
+ " TOF "
+ "**************************************\n");
+ printf("\n Version 0 of TOF initialing, "
+ "symmetric TOF\n");
+
AliTOF::Init();
- fIdFTO2=gMC->VolId("FTO2");
- fIdFTO3=gMC->VolId("FTO3");
- fIdFLT1=gMC->VolId("FLT1");
- fIdFLT2=gMC->VolId("FLT2");
- fIdFLT3=gMC->VolId("FLT3");
+
+ 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],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;
- Float_t hits[8];
- Int_t vol[3];
- Int_t copy, id, i;
- Int_t *idtmed = fIdtmed->GetArray()-499;
- if(gMC->GetMedium()==idtmed[514-1] &&
+
+
+ if(gMC->GetMedium()==idtmed[513] &&
gMC->IsTrackEntering() && gMC->TrackCharge()
- && gMC->CurrentVolID(copy)==fIdSens) {
- TClonesArray &lhits = *fHits;
- //
- // Record only charged tracks at entrance
- gMC->CurrentVolOffID(1,copy);
- vol[2]=copy;
- gMC->CurrentVolOffID(3,copy);
- vol[1]=copy;
- id=gMC->CurrentVolOffID(8,copy);
- vol[0]=copy;
- if(id==fIdFTO3) {
- vol[0]+=22;
- id=gMC->CurrentVolOffID(5,copy);
- if(id==fIdFLT3) vol[1]+=6;
- } else if (id==fIdFTO2) {
- vol[0]+=20;
- id=gMC->CurrentVolOffID(5,copy);
- if(id==fIdFLT2) vol[1]+=8;
- } else {
- id=gMC->CurrentVolOffID(5,copy);
- if(id==fIdFLT1) vol[1]+=14;
- }
+ && 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);
- //
- Double_t ptot=mom.Rho();
- Double_t norm=1/ptot;
+
+ 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[i] = pos[i];
+ hits[i+3] = mom[i]*norm;
}
- hits[6]=ptot;
- hits[7]=pos[3];
- new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ 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