+/**************************************************************************
+ * 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 1.11 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 3 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="gif/AliTOFv3Class.gif">
+<img src="picts/AliTOFv3Class.gif">
*/
//End_Html
// //
///////////////////////////////////////////////////////////////////////////////
#include "AliTOFv3.h"
-#include <TNode.h>
-#include <TTUBE.h>
#include "AliRun.h"
-#include "AliMC.h"
+#include "AliConst.h"
ClassImp(AliTOFv3)
//_____________________________________________________________________________
-AliTOFv3::AliTOFv3() : AliTOF()
+AliTOFv3::AliTOFv3()
{
//
// Default constructor
void AliTOFv3::CreateGeometry()
{
//
- // Create geometry for Time Of Flight version 2
+ // Create geometry for Time Of Flight version 0
//
//Begin_Html
/*
- <img src="gif/AliTOFv3.gif">
+ <img src="picts/AliTOFv3.gif">
*/
//End_Html
//
-
- //
- // Create common geometry between version 2 and 3
+ // Creates common geometry
//
AliTOF::CreateGeometry();
}
//_____________________________________________________________________________
-void AliTOFv3::TOFpc(Float_t xm, Float_t ym, Float_t zm0,
- Float_t zm1, Float_t zm2)
+void AliTOFv3::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1,
+ Float_t zlen2, Float_t zlen3, Float_t ztof0)
{
//
- // Definition of the Time Of Fligh Parallel Plate Chambers
- //
-
- AliMC* pMC = AliMC::GetMC();
+ // Definition of the Time Of Fligh Resistive Plate Chambers
+ // xFLT, yFLT, zFLT - sizes of TOF modules (large)
- Int_t inum;
- Float_t xcor, zcor, ytop;
- Int_t inum1;
- Float_t xcor1, xcor2, ycoor;
- Float_t stepx, stepz, dx, dy, dz, xp, yp, zp, shiftx, shiftz, ywidth;
- Float_t shiftx1, shiftx2, xad, zad;
- Int_t ink;
+ Float_t ycoor, zcoor;
Float_t par[10];
- Int_t inz;
- Float_t xzd;
- Int_t nxp, npx, npz;
- Float_t xsz, ysz, zsz;
- Int_t nzp0, nzp1, nzp2;
- Int_t *idtmed = gAlice->Idtmed();
+ Int_t *idtmed = fIdtmed->GetArray()-499;
+
+ Int_t idrotm[100];
+ Int_t nrot = 0;
- // X size of PPC plate
- xsz = 54.;
- // Y size of PPC plate
- ysz = .2;
- // Z size of PPC plate
- zsz = 48.;
- // First return additional shift along X
- xad = 1.5;
- // Second return additional shift along X
- xzd = .5;
- // Return additional shift along Z
- zad = .25;
- // Width of DME box
- ywidth = 4.;
- // X size of PPC chamber
- xp = 5.7;
- // Y size of PPC chamber
- yp = .32;
- // Z size of PPC chamber
- zp = 5.7;
- // Frame width along X,Y and Z axis of PPC chambers
- dx = .2;
- dy = .1;
- dz = .2;
- // No sensitive volumes with DME
- par[0] = xm / 2.;
- par[1] = ywidth / 2.;
- par[2] = zm0 / 2.;
- ycoor = ym / 3. - ywidth / 2.;
- pMC->Gsvolu("FBT1", "BOX ", idtmed[505], par, 3);
- pMC->Gspos("FBT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
- par[2] = zm1 / 2.;
- pMC->Gsvolu("FBT2", "BOX ", idtmed[505], par, 3);
- pMC->Gspos("FBT2", 1, "FTO2", 0., 0., 0., 0, "ONLY");
- par[2] = zm2 / 2.;
- pMC->Gsvolu("FBT3", "BOX ", idtmed[505], par, 3);
- pMC->Gspos("FBT3", 2, "FTO3", 0., 0., 0., 0, "ONLY");
- // Electronic plate
- par[1] = ysz / 2.;
- par[2] = zm0 / 2.;
- ycoor = ywidth / 2. - ysz / 2.;
- pMC->Gsvolu("FPE1", "BOX ", idtmed[504], par, 3);
- pMC->Gspos("FPE1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
- pMC->Gspos("FPE1", 1, "FBT1", 0., -ycoor, 0., 0, "ONLY");
- par[2] = zm1 / 2.;
- pMC->Gsvolu("FPE2", "BOX ", idtmed[504], par, 3);
- pMC->Gspos("FPE2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
- pMC->Gspos("FPE2", 1, "FBT2", 0., -ycoor, 0., 0, "ONLY");
- par[2] = zm2 / 2.;
- pMC->Gsvolu("FPE3", "BOX ", idtmed[504], par, 3);
- pMC->Gspos("FPE3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
- pMC->Gspos("FPE3", 1, "FBT3", 0., -ycoor, 0., 0, "ONLY");
- // Electronic insensitive volumes
- par[1] = yp / 2.;
- par[2] = zm0 / 2.;
- ytop = ywidth / 2. - (ysz * 2 + yp) / 2.;
- pMC->Gsvolu("FST1", "BOX ", idtmed[505], par, 3);
- pMC->Gsvolu("FLT1", "BOX ", idtmed[505], par, 3);
- pMC->Gspos("FST1", 0, "FBT1", 0., ytop, 0., 0, "ONLY");
- pMC->Gspos("FLT1", 0, "FBT1", 0., -ytop, 0., 0, "ONLY");
- par[2] = zm1 / 2.;
- pMC->Gsvolu("FST2", "BOX ", idtmed[505], par, 3);
- pMC->Gsvolu("FLT2", "BOX ", idtmed[505], par, 3);
- pMC->Gspos("FST2", 0, "FBT2", 0., ytop, 0., 0, "ONLY");
- pMC->Gspos("FLT2", 0, "FBT2", 0., -ytop, 0., 0, "ONLY");
- par[2] = zm2 / 2.;
- pMC->Gsvolu("FST3", "BOX ", idtmed[505], par, 3);
- pMC->Gsvolu("FLT3", "BOX ", idtmed[505], par, 3);
- pMC->Gspos("FST3", 0, "FBT3", 0., ytop, 0., 0, "ONLY");
- pMC->Gspos("FLT3", 0, "FBT3", 0., -ytop, 0., 0, "ONLY");
- // PPC-plate number along X axis
- nxp = Int_t (xm / xsz);
- // PPC-plate number along Z axis
- nzp0 = Int_t (zm0 / zsz);
- nzp1 = Int_t (zm1 / zsz);
- nzp2 = Int_t (zm2 / zsz);
- // Position of big PPC-plate
- par[0] = xm * .5 / nxp;
- par[2] = zm0 * .5 / nzp0;
- pMC->Gsvolu("FSK1", "BOX ", idtmed[505], par, 3);
- pMC->Gsvolu("FLK1", "BOX ", idtmed[505], par, 3);
- inum = 0;
- for (ink = 1; ink <= nxp; ++ink) {
- xcor = xm * .5 * ((ink * 2 - 1) / (Float_t) nxp - 1.);
- for (inz = 1; inz <= nzp0; ++inz) {
- zcor = zm0 * .5 * ((inz * 2 - 1) / (Float_t) nzp0 - 1.);
- ++inum;
- pMC->Gspos("FSK1", inum, "FST1", xcor, 0., zcor, 0, "ONLY");
- pMC->Gspos("FLK1", inum, "FLT1", xcor, 0., zcor, 0, "ONLY");
- }
- for (inz = 1; inz <= nzp1; ++inz) {
- zcor = zm1 * .5 * ((inz * 2 - 1) / (Float_t) nzp1 - 1.);
- ++inum;
- pMC->Gspos("FSK1", inum, "FST2", xcor, 0., zcor, 0, "ONLY");
- pMC->Gspos("FLK1", inum, "FLT2", xcor, 0., zcor, 0, "ONLY");
- }
- for (inz = 1; inz <= nzp2; ++inz) {
- zcor = zm2 * .5 * ((inz * 2 - 1) / (Float_t) nzp2 - 1.);
- ++inum;
- pMC->Gspos("FSK1", inum, "FST3", xcor, 0., zcor, 0, "ONLY");
- pMC->Gspos("FLK1", inum, "FLT3", xcor, 0., zcor, 0, "ONLY");
- }
- }
- par[0] = xsz / 2.;
- par[1] = yp / 2.;
- par[2] = zsz / 2.;
- pMC->Gsvolu("FSL1", "BOX ", idtmed[505], par, 3);
- pMC->Gsvolu("FLL1", "BOX ", idtmed[505], par, 3);
- shiftx = (xp / 2. + xad / 2.) / 2.;
- shiftz = (zm0 / nzp0 - zsz) / 2.;
- pMC->Gspos("FSL1", 0, "FSK1", -shiftx, 0., -shiftz, 0, "ONLY");
- pMC->Gspos("FLL1", 0, "FLK1", shiftx, 0., shiftz, 0, "ONLY");
- // PPC position on PPC-plate
- npx = 4;
- npz = 8;
- par[0] = xp / 2.;
- par[1] = yp / 2.;
- par[2] = zp / 2.;
- stepx = (xad + xzd + xp * 2) / 2.;
- stepz = (zp + zad) / 2.;
- shiftz = npz * (zad + zp) / 2.;
- shiftx = npx * (xp * 2 + xad + xzd) / 2.;
- shiftx1 = (xp * 2 + xzd + xad) / 2. - xp / 2.;
- shiftx2 = (xp * 2 + xzd + xad) / 2. - xp / 2. - xzd;
- pMC->Gsvolu("FPG1", "BOX ", idtmed[507], par, 3);
- for (ink = 1; ink <= npx; ++ink) {
- xcor1 = -shiftx + stepx * (ink * 2 - 1) - shiftx1;
- xcor2 = -shiftx + stepx * (ink * 2 - 1) + shiftx2;
- for (inz = 1; inz <= npz; ++inz) {
- zcor = -shiftz + stepz * (inz * 2 - 1);
- ++inum;
- inum1 = npx * npz + inum;
- pMC->Gspos("FPG1", inum, "FSL1", xcor1, 0., zcor, 0, "ONLY");
- pMC->Gspos("FPG1", inum1, "FSL1", xcor2, 0., zcor, 0, "ONLY");
- pMC->Gspos("FPG1", inum, "FLL1", xcor1, 0., zcor, 0, "ONLY");
- pMC->Gspos("FPG1", inum1, "FLL1", xcor2, 0., zcor, 0, "ONLY");
- }
- }
- par[0] = xp / 2. - dx;
- par[1] = yp / 2. - dy;
- par[2] = zp / 2. - dz;
- pMC->Gsvolu("FPG2", "BOX ", idtmed[509], par, 3);
- pMC->Gspos("FPG2", 0, "FPG1", 0., 0., 0., 0, "ONLY");
+
+
+ par[0] = xtof / 2.;
+ par[1] = ytof / 2.;
+ par[2] = zlen1 / 2.;
+ gMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3);
+ par[2] = zlen2 / 2.;
+ gMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3);
+ par[2] = zlen3 / 2.;
+ gMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3);
+
+
+// Positioning of modules
+
+ Float_t zcor1 = ztof0 - zlen1/2;
+ Float_t zcor2 = ztof0 - zlen1 - zlen2/2.;
+ Float_t zcor3 = 0.;
+
+ AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.);
+ AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.);
+ gMC->Gspos("FTO1", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTO1", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTO1", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTO1", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTO1", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
+
+ gMC->Gspos("FTO2", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTO2", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTO2", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTO2", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTO2", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
+
+ gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTO3", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTO3", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
+
+// Subtraction the distance to TOF module boundaries
+
+ Float_t db = 7.;
+ Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3;
+
+ xFLT = xtof -(.5 +.5)*2;
+ yFLT = ytof;
+ zFLT1 = zlen1 - db;
+ zFLT2 = zlen2 - db;
+ zFLT3 = zlen3 - db;
+
+// Sizes of MRPC pads
+
+ Float_t yPad = 0.505;
+
+// Large not sensitive volumes with CO2
+ par[0] = xFLT/2;
+ par[1] = yFLT/2;
+
+ cout <<"************************* TOF geometry **************************"<<endl;
+
+ par[2] = (zFLT1 / 2.);
+ gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2
+ gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
+
+ par[2] = (zFLT2 / 2.);
+ gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2
+ gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY");
+
+ par[2] = (zFLT3 / 2.);
+ gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2
+ gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY");
+
+////////// Layers before detector ////////////////////
+
+// Alluminium layer in front 1.0 mm thick at the beginning
+ par[0] = -1;
+ par[1] = 0.1;
+ par[2] = -1;
+ ycoor = -yFLT/2 + par[1];
+ gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium
+ gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium
+ gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
+ gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium
+ gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
+
+// Honeycomb layer (1cm of special polyethilene)
+ ycoor = ycoor + par[1];
+ par[0] = -1;
+ par[1] = 0.5;
+ 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");
+
+///////////////// Detector itself //////////////////////
+
+ const Float_t StripWidth = 7.81;//cm
+ const Float_t DeadBound = 1.;//cm non-sensitive between the pad edge and the boundary of the strip
+ const Int_t nx = 40; // number of pads along x
+ const Int_t nz = 2; // number of pads along z
+ const Float_t Gap=4.; //cm distance between the strip axis
+ 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
+ gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3);
+
+ // Freon for non-sesitive boundaries
+ par[0] = xFLT/2;
+ par[1] = 0.110/2;
+ par[2] = -1;
+ gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3);
+ gMC->Gspos("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY");
+ // Mylar for non-sesitive boundaries
+ par[1] = 0.025;
+ gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3);
+ gMC->Gspos("FMYI",0,"FNSF",0.,0.,0.,0,"ONLY");
+
+ // Mylar for outer layers
+ par[1] = 0.035/2;
+ ycoor = -yPad/2.+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] = 0.003/2;
+ 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
+ par[0] = -1;
+ par[1] = 0.110/2.;
+ par[2] = zSenStrip/2.;
+ 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 pixel 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 /////
+
+
+ // 3 (Central) Plate
+ Float_t t = zFLT1+zFLT2+zFLT3/2.+7.*2.5;//Half Width of Barrel
+ Float_t zpos = 0;
+ Float_t ang;
+ Float_t Offset;
+ Float_t last;
+ nrot = 0;
+ Int_t i=1,j=1;
+ zcoor=0;
+ Int_t UpDown=-1; // UpDown=-1 -> Upper strip, UpDown=+1 -> Lower strip
+
+ do{
+ ang = atan(zcoor/t);
+ ang = ang * kRaddeg;
+ AliMatrix (idrotm[nrot] ,90., 0.,90.-ang,90.,-ang,90.);
+ AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang,90.);
+ ycoor = -29./2.+ Space; //2 cm over front plate
+ ycoor += (1-(UpDown+1)/2)*Gap;
+ gMC->Gspos("FSTR",j,"FLT3",0.,ycoor,zcoor,idrotm[nrot],"ONLY");
+ gMC->Gspos("FSTR",j+1,"FLT3",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
+ ang = ang / kRaddeg;
+ zcoor=zcoor-(zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang);
+ UpDown*= -1; // Alternate strips
+ i++;
+ j+=2;
+ } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+zFLT2+7*2.5);
+
+ ycoor = -29./2.+ Space; //2 cm over front plate
+
+ // Plate 2
+ zpos = -zFLT3/2-7;
+ ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
+ Offset = StripWidth*TMath::Cos(ang)/2;
+ zpos -= Offset;
+ nrot = 0;
+ i=1;
+ // UpDown has not to be reinitialized, so that the arrangement of the strips can continue coherently
+
+ do {
+ ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
+ ang = ang*kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+ ycoor = -29./2.+ Space ; //2 cm over front plate
+ ycoor += (1-(UpDown+1)/2)*Gap;
+ zcoor = zpos+(zFLT3/2.+7+zFLT2/2); // Moves to the system of the centre of the modulus FLT2
+ gMC->Gspos("FSTR",i, "FLT2", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
+ ang = ang/kRaddeg;
+ zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang);
+ last = StripWidth*TMath::Cos(ang)/2;
+ UpDown*=-1;
+ i++;
+ } while (zpos-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+7);
+
+ // Plate 1
+ zpos = -t+zFLT1+3.5;
+ ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
+ Offset = StripWidth*TMath::Cos(ang)/2.;
+ zpos -= Offset;
+ nrot = 0;
+ i=0;
+ ycoor= -29./2.+Space+Gap/2;
+
+ do {
+ ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
+ ang = ang*kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+ i++;
+ zcoor = zpos+(zFLT1/2+zFLT2+zFLT3/2+7.*2.);
+ gMC->Gspos("FSTR",i, "FLT1", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
+ ang = ang/kRaddeg;
+ zpos = zpos - zSenStrip/TMath::Cos(ang);
+ last = StripWidth*TMath::Cos(ang)/2.;
+ } while (zpos>-t+7.+last);
+
+printf("#######################################################\n");
+printf(" Distance from the bound of the FLT3: %f cm \n",t+zpos-(zSenStrip/2)/TMath::Cos(ang));
+ ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
+ zpos = zpos - zSenStrip/TMath::Cos(ang);
+printf("NEXT Distance from the bound of the FLT3: %f cm \n",t+zpos-(zSenStrip/2)/TMath::Cos(ang));
+printf("#######################################################\n");
+
+////////// Layers after detector /////////////////
+
+// Honeycomb layer after (3cm)
+
+ Float_t OverSpace = Space + 7.3;
+/// StripWidth*TMath::Sin(ang) + 1.3;
+
+ par[0] = -1;
+ par[1] = 0.6;
+ par[2] = -1;
+ ycoor = -yFLT/2 + OverSpace + 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 += par[1];
+ par[0] = -1;
+ par[1] = 1.43*0.05 / 2.; // 5% of X0
+ par[2] = -1;
+ ycoor += 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 += par[1];
+ par[0] = -1;
+ par[1] = 36.1*0.02 / 2.; // 2% of X0
+ par[2] = -1;
+ 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)
+ par[0] = -1;
+ par[1] = 2 / 2.;
+ par[2] = -1;
+ ycoor = yFLT/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");
}
//_____________________________________________________________________________
-void AliTOFv3::DrawDetector()
+void AliTOFv3::DrawModule()
{
//
- // Draw a shaded view of the Time Of Flight version 3
+ // Draw a shaded view of the Time Of Flight version 1
//
-
- AliMC* pMC = AliMC::GetMC();
-
// 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("ALIC","SEEN",0);
- pMC->Gsatt("FBAR","SEEN",0);
- pMC->Gsatt("FTO1","SEEN",0);
- pMC->Gsatt("FTO2","SEEN",0);
- pMC->Gsatt("FTO3","SEEN",0);
- pMC->Gsatt("FBT1","SEEN",0);
- pMC->Gsatt("FBT2","SEEN",0);
- pMC->Gsatt("FBT3","SEEN",0);
- pMC->Gsatt("FST1","SEEN",0);
- pMC->Gsatt("FLT1","SEEN",0);
- pMC->Gsatt("FST2","SEEN",0);
- pMC->Gsatt("FLT2","SEEN",0);
- pMC->Gsatt("FST3","SEEN",0);
- pMC->Gsatt("FLT3","SEEN",0);
- pMC->Gsatt("FSK1","SEEN",0);
- pMC->Gsatt("FLK1","SEEN",0);
- pMC->Gsatt("FSL1","SEEN",1);
- pMC->Gsatt("FLL1","SEEN",1);
+ 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("FPL1","SEEN",1);
+ gMC->Gsatt("FPL2","SEEN",1);
+ gMC->Gsatt("FPL3","SEEN",1);
+ gMC->Gsatt("FLD1","SEEN",1);
+ gMC->Gsatt("FLD2","SEEN",1);
+ gMC->Gsatt("FLD3","SEEN",1);
+ gMC->Gsatt("FLZ1","SEEN",1);
+ gMC->Gsatt("FLZ2","SEEN",1);
+ gMC->Gsatt("FLZ3","SEEN",1);
+ gMC->Gsatt("FLX1","SEEN",1);
+ gMC->Gsatt("FLX2","SEEN",1);
+ gMC->Gsatt("FLX3","SEEN",1);
+ gMC->Gsatt("FPA0","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->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");
}
//_____________________________________________________________________________
//
// Define materials for the Time Of Flight
//
- AliTOF::CreateMaterials();
+ AliTOF::CreateMaterials();
}
//_____________________________________________________________________________
//
// Initialise the detector after the geometry has been defined
//
+ printf("**************************************"
+ " TOF "
+ "**************************************\n");
+ printf("\n Version 3 of TOF initialing, "
+ "symmetric TOF\n\n");
- AliMC* pMC = AliMC::GetMC();
-
AliTOF::Init();
- fIdFTO2=pMC->VolId("FTO2");
- fIdFTO3=pMC->VolId("FTO3");
- fIdFLT1=pMC->VolId("FLT1");
- fIdFLT2=pMC->VolId("FLT2");
- fIdFLT3=pMC->VolId("FLT3");
+
+ //
+ // 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);
+ }
+
+ fIdFTO2=gMC->VolId("FTO2");
+ fIdFTO3=gMC->VolId("FTO3");
+ fIdFLT1=gMC->VolId("FLT1");
+ fIdFLT2=gMC->VolId("FLT2");
+ fIdFLT3=gMC->VolId("FLT3");
+
+ printf("**************************************"
+ " TOF "
+ "**************************************\n");
}
//_____________________________________________________________________________
//
// Procedure called at each step in the Time Of Flight
//
+ TLorentzVector mom, pos;
Float_t hits[8];
Int_t vol[3];
- Int_t copy, id;
- AliMC *pMC= AliMC::GetMC();
- Int_t *idtmed = gAlice->Idtmed();
- if(pMC->GetMedium()==idtmed[510-1] &&
- pMC->TrackEntering() && pMC->TrackCharge()
- && pMC->CurrentVol(0,copy)==fIdSens) {
+ Int_t copy, id, i;
+ Int_t *idtmed = fIdtmed->GetArray()-499;
+ if(gMC->GetMedium()==idtmed[514-1] &&
+ gMC->IsTrackEntering() && gMC->TrackCharge()
+ && gMC->CurrentVolID(copy)==fIdSens) {
TClonesArray &lhits = *fHits;
//
// Record only charged tracks at entrance
- pMC->CurrentVolOff(1,0,copy);
+ gMC->CurrentVolOffID(1,copy);
vol[2]=copy;
- pMC->CurrentVolOff(3,0,copy);
+ gMC->CurrentVolOffID(3,copy);
vol[1]=copy;
- id=pMC->CurrentVolOff(6,0,copy);
+ id=gMC->CurrentVolOffID(8,copy);
vol[0]=copy;
if(id==fIdFTO3) {
vol[0]+=22;
- id=pMC->CurrentVolOff(4,0,copy);
+ id=gMC->CurrentVolOffID(5,copy);
if(id==fIdFLT3) vol[1]+=6;
} else if (id==fIdFTO2) {
vol[0]+=20;
- id=pMC->CurrentVolOff(4,0,copy);
+ id=gMC->CurrentVolOffID(5,copy);
if(id==fIdFLT2) vol[1]+=8;
} else {
- id=pMC->CurrentVolOff(4,0,copy);
+ id=gMC->CurrentVolOffID(5,copy);
if(id==fIdFLT1) vol[1]+=14;
}
- pMC->TrackPosition(hits);
- pMC->TrackMomentum(&hits[3]);
- hits[7]=pMC->TrackTime();
+ gMC->TrackPosition(pos);
+ gMC->TrackMomentum(mom);
+ //
+ 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];
new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
}
}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff