-/*
-<img src="picts/AliTPCv1Class.gif">
-*/
-//End_Html
-// //
-// //
-///////////////////////////////////////////////////////////////////////////////
-
-#include <TMath.h>
-#include <TGeometry.h>
-#include <TNode.h>
-#include <TBRIK.h>
-#include <TTUBE.h>
-#include "AliTPCv1.h"
-#include "AliRun.h"
-#include <iostream.h>
-#include <fstream.h>
-#include "TLorentzVector.h"
-
-#include "AliMC.h"
-#include "AliConst.h"
-
-#include "AliTPCParam.h"
-#include "AliTPCParamSR.h"
-#include "AliTPCDigitsArray.h"
-#include <TInterpreter.h>
-
-ClassImp(AliTPCv1)
-
-//_____________________________________________________________________________
-
- AliTPCv1::AliTPCv1(){
-
- fHitType = 1;
-
-}
-
-//_____________________________________________________________________________
-AliTPCv1::AliTPCv1(const char *name, const char *title)
- :AliTPC(name, title) {
- //
- // Standard constructor for Time Projection Chamber
- //
- fIdSens=fIdLSec=fIdUSec=0;
-
- SetGasMixt(2,20,10,-1,0.9,0.1,0.);
-
- if (fTPCParam)
- fTPCParam->Write(fTPCParam->GetTitle());
-
- fHitType=1;
-}
-
-//_____________________________________________________________________________
-void AliTPCv1::CreateGeometry()
-{
- //-------------------------------------------------------------
- // Creates geometry for Time Projection Chamber version 1
- // Detailed geometry -- Fast simulation - space points
- // at the pad-rows centers
- // Origin M.Kowalski, INP Cracow, Marek.Kowalski@ifj.edu.pl
- //-----------------------------------------------------------
-
- //Begin_Html
- /*
- <img src="picts/AliTPC.gif">
- */
- //End_Html
- //Begin_Html
- /*
- <img src="picts/AliTPCv1Tree.gif">
- */
- //End_Html
- Float_t dm[50];
-
- Int_t *idtmed = fIdtmed->GetArray(); // TPC media
-
- Int_t idrotm[120]; // rotation matrices
-
- Int_t nRotMat = 0; // actual number of rotation matrices
-
- //
- // Mother volume TPC (Air) - all volumes will be positioned in it
- //
-
- dm[0]=0.;
- dm[1]=360.;
- dm[2]=8.;
-
- //
-
- dm[3]=-283.7;
- dm[4]=65.6;
- dm[5]=278.;
-
- //
-
- dm[6]=-253.6;
- dm[7]=65.6;
- dm[8]=278.;
-
- //
-
- dm[9]=-73.3;
- dm[10]=60.9;
- dm[11]=278.;
-
- //
-
- dm[12]=-73.3;
- dm[13]=56.9;
- dm[14]=278.;
-
- //
-
- dm[15]=73.3;
- dm[16]=56.9;
- dm[17]=278.;
-
- //
-
- dm[18]=73.3;
- dm[19]=60.9;
- dm[20]=278.;
-
- //
-
- dm[21]=253.6;
- dm[22]=65.6;
- dm[23]=278.;
-
- //
-
- dm[24]=283.7;
- dm[25]=65.6;
- dm[26]=278.;
-
- gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,27);
-
- // outer part
-
- //-------------------------------------------------------------------
- // Tpc Outer INsulator (CO2) - contains cont. vessel and field cage
- //-------------------------------------------------------------------
-
- dm[0]= 0.;
- dm[1]= 360.;
- dm[2]= 6.;
-
- //
-
- dm[3]=-253.6;
- dm[4]=258.;
- dm[5]=275.5;
-
- //
-
- dm[6]=-250.6;
- dm[7]=258.;
- dm[8]=275.5;
-
- //
-
- dm[9]=-250.6;
- dm[10]=258.;
- dm[11]=278.;
-
- //
-
- dm[12]=253.6;
- dm[13]=258.;
- dm[14]=278.;
-
- //
-
- dm[15]=253.6;
- dm[16]=264.8;
- dm[17]=278.;
-
- //
-
- dm[18]=256.6;
- dm[19]=264.8;
- dm[20]=278.;
-
- gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21);
-
- //----------------------------------------------------------------
- // Tpc Outer Contaiment Vessel
- // mother volume - Al, daughters - composite (sandwich)
- //----------------------------------------------------------------
-
- dm[0]=0.;
- dm[1]=360.;
- dm[2]=6.;
-
- //
-
- dm[3]=-250.6;
- dm[4]=270.4;
- dm[5]=278.;
-
- //
-
- dm[6]=-247.6;
- dm[7]=270.4;
- dm[8]=278.;
-
- //
-
- dm[9]=-247.6;
- dm[10]=274.81;
- dm[11]=278.;
-
- //
-
- dm[12]=253.6;
- dm[13]=274.81;
- dm[14]=278.;
-
- //
-
- dm[15]=253.6;
- dm[16]=264.8;
- dm[17]=278.;
-
- //
-
- dm[18]=256.6;
- dm[19]=264.8;
- dm[20]=278.;
-
- gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21);
-
- // Daughter volumes - sandwich
-
- // Tpc SAndwich 1 - Al
-
- dm[0]=274.81;
- dm[1]=278.;
- dm[2]=252.1;
-
- gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3);
-
- // Tpc SAndwich 2 - epoxy glue (I use Lexan)
-
- dm[0] += 5.e-3;
- dm[1] -= 5.e-3;
-
- gMC->Gsvolu("TSA2","TUBE",idtmed[14],dm,3);
-
- // Tpc SAndwich 3 - Tedlar
-
- dm[0] += 0.01;
- dm[1] -= 0.01;
-
- gMC->Gsvolu("TSA3","TUBE",idtmed[9],dm,3);
-
-
- // Tpc SAndwich 4 - fiber glass (G10)
-
- dm[0] += 5.e-3;
- dm[1] -= 5.e-3;
-
- gMC->Gsvolu("TSA4","TUBE",idtmed[12],dm,3);
-
- // Tpc SAndwich 5 - NOMEX honeycomb
-
- dm[0] += 0.075;
- dm[1] -= 0.075;
-
- gMC->Gsvolu("TSA5","TUBE",idtmed[6],dm,3);
-
- // 5->4->3->2->1->TCOV
-
-
- gMC->Gspos("TSA5",1,"TSA4",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY");
-
- gMC->Gspos("TSA1",1,"TOCV",0.,0.,3.,0,"ONLY");
-
- // TCOV-> TOIN
-
- gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY");
-
- //-------------------------------------------------------
- // Tpc Outer Field Cage
- // mother volume - Al, daughters - composite (sandwich)
- //-------------------------------------------------------
-
- dm[0]=0.;
- dm[1]=360.;
- dm[2]=6.;
-
- //
-
- dm[3]=-253.6;
- dm[4]=258.;
- dm[5]=275.5;
-
- //
-
- dm[6]=-250.6;
- dm[7]=258.;
- dm[8]=275.5;
-
- //
-
- dm[9]=-250.6;
- dm[10]=258.;
- dm[11]=260.05;
-
- //
-
- dm[12]=250.6;
- dm[13]=258.;
- dm[14]=260.05;
-
- //
-
- dm[15]=250.6;
- dm[16]=258.;
- dm[17]=275.5;
-
- //
-
- dm[18]=253.6;
- dm[19]=258.;
- dm[20]=275.5;
-
- gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21);
-
- // Daughter volumes
-
- // Tpc SAndwich 6 - Tedlar
-
- dm[0]= 258.;
- dm[1]= 260.05;
- dm[2]= 252.1;
-
- gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3);
-
- // Tpc SAndwich 7 - fiber glass
-
- dm[0] += 5.e-3;
- dm[1] -= 5.e-3;
-
- gMC->Gsvolu("TSA7","TUBE",idtmed[12],dm,3);
-
-
- // Tpc SAndwich 8 - NOMEX
-
- dm[0] += 0.02;
- dm[1] -= 0.02;
-
- gMC->Gsvolu("TSA8","TUBE",idtmed[6],dm,3);
-
- // 8->7->6->TOFC
-
- gMC->Gspos("TSA8",1,"TSA7",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TSA6",1,"TOFC",0.,0.,0.,0,"ONLY");
-
- // TOFC->TOIN
-
- gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY");
-
- // TOIN->TPC
-
- gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY");
-
- // inner part
-
- //--------------------------------------------------------------------
- // Tpc Inner INsulator (CO2) - inner f.c. will be placed there
- // Inner containment vessel will be placed directly in the TPC
- //--------------------------------------------------------------------
-
- dm[0]=0.;
- dm[1]=360.;
- dm[2]=4.;
-
- //
-
- dm[3]=-253.6;
- dm[4]=65.9;
- dm[5]=79.2;
-
- //
-
- dm[6]=-73.3;
- dm[7]=61.2;
- dm[8]=79.2;
-
- //
-
- dm[9]=73.3;
- dm[10]=61.2;
- dm[11]=79.2;
-
- //
-
- dm[12]=253.6;
- dm[13]=65.9;
- dm[14]=79.2;
-
- gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,15);
-
- // the middle part of the F.C. is thinner - carve out the strip - Ne-CO2
-
- dm[0]=79.16;
- dm[1]=79.2;
- dm[2]=88.;
-
- gMC->Gsvolu("TII1","TUBE",idtmed[1],dm,3);
-
- gMC->Gspos("TII1",1,"TIIN",0.,0.,0.,0,"ONLY");
-
- //-----------------------------------------------------
- // Tpc Inner Field Cage
- // mother volume - Al, daughters - composite (sandwich)
- //------------------------------------------------------
-
- dm[0]=0.;
- dm[1]=360.;
- dm[2]=10.;
-
- //
-
- dm[3]=-253.6;
- dm[4]=70.3;
- dm[5]=79.2;
-
- //
-
- dm[6]=-250.6;
- dm[7]=70.3;
- dm[8]=79.2;
-
- //
-
- dm[9]=-250.6;
- dm[10]=77.05;
- dm[11]=79.2;
-
- //
-
- dm[12]=-88.;
- dm[13]=77.05;
- dm[14]=79.2;
-
- //
-
- dm[15]=-88.;
- dm[16]=77.09;
- dm[17]=79.16;
-
- //
-
- dm[18]=88.;
- dm[19]=77.09;
- dm[20]=79.16;
-
- //
-
- dm[21]=88.;
- dm[22]=77.05;
- dm[23]=79.2;
-
- //
-
- dm[24]=250.6;
- dm[25]=77.05;
- dm[26]=79.2;
-
- //
-
- dm[27]=250.6;
- dm[28]=70.3;
- dm[29]=79.2;
-
- //
-
- dm[30]=253.6;
- dm[31]=70.3;
- dm[32]=79.2;
-
- gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,33);
-
- // daughter volumes - central part
-
- // Tpc Sandwich 9 -Tedlar
-
- dm[0]=77.09;
- dm[1]=79.16;
- dm[2]=88.;
-
- gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3);
-
- // Tpc Sandwich 10 - fiber glass (G10)
-
- dm[0] += 5.e-3;
- dm[1] -= 5.e-3;
-
- gMC->Gsvolu("TS10","TUBE",idtmed[12],dm,3);
-
- // Tpc Sandwich 11 - NOMEX
-
- dm[0] += 0.03;
- dm[1] -= 0.03;
-
- gMC->Gsvolu("TS11","TUBE",idtmed[6],dm,3);
-
- // 11->10->9->TIFC
-
- gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY");
-
- gMC->Gspos("TSA9",1,"TIFC",0.,0.,0.,0,"ONLY");
-
- // daughter volumes - outer parts (reinforced)
-
- // Tpc Sandwich 12 -Tedlar
-
- dm[0]=77.05;
- dm[1]=79.2;
- dm[2]=82.05;
-
- gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3);
-
- // Tpc Sandwich 13 - fiber glass (G10)
-
- dm[0] += 5.e-3;
- dm[1] -= 5.e-3;
-
- gMC->Gsvolu("TS13","TUBE",idtmed[12],dm,3);
-
- // Tpc Sandwich 14 - NOMEX
-
- dm[0] += 0.07;
- dm[1] -= 0.07;
-
- gMC->Gsvolu("TS14","TUBE",idtmed[6],dm,3);
-
- // 14->13->12->TIFC
-
- gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TS13",1,"TS12",0.,0.,0.,0,"ONLY");
-
- gMC->Gspos("TS12",1,"TIFC",0.,0.,170.05,0,"ONLY");
- gMC->Gspos("TS12",2,"TIFC",0.,0.,-170.05,0,"ONLY");
-
- // place this inside the inner insulator
-
- gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY");
-
- // and now in the TPC...
-
- gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY");
-
- //---------------------------------------------------------
- // Tpc Inner Containment vessel - Cones
- //---------------------------------------------------------
-
- dm[0]=0.;
- dm[1]=360.;
- dm[2]=8.;
-
- //
-
- dm[3]=71.8;
- dm[4]=56.9;
- dm[5]=59.4;
-
- //
-
- dm[6]=73.;
- dm[7]=56.9;
- dm[8]=59.4;
-
- //
-
- dm[9]=73.;
- dm[10]=56.9;
- dm[11]=61.2;
-
- //
-
- dm[12]=73.3;
- dm[13]=56.9;
- dm[14]=61.2;
-
- //
-
- dm[15]=73.3;
- dm[16]=60.9;
- dm[17]=61.2;
-
- //
-
- dm[18]=253.6;
- dm[19]=65.6;
- dm[20]=65.9;
-
- //
-
- dm[21]=253.6;
- dm[22]=65.6;
- dm[23]=74.6;
-
- //
-
- dm[24]=256.6;
- dm[25]=65.6;
- dm[26]=74.6;
-
- gMC->Gsvolu("TICC","PCON",idtmed[4],dm,27);
-
- Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles
-
- // reflection matrix
-
- theta1 = 90.;
- phi1 = 0.;
- theta2 = 90.;
- phi2 = 270.;
- theta3 = 180.;
- phi3 = 0.;
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- gMC->Gspos("TICC",1,"TPC ",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TICC",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY");
-
-
- //---------------------------------------------------------
- // Tpc Inner Containment vessel - Middle part -Al
- //---------------------------------------------------------
-
- dm[0]=0.;
- dm[1]=360.;
- dm[2]=6.;
-
- //
-
- dm[3]=-71.6;
- dm[4]=60.2;
- dm[5]=61.2;
-
- //
-
- dm[6]=-69.1;
- dm[7]=60.2;
- dm[8]=61.2;
-
- //
-
- dm[9]=-69.1;
- dm[10]=60.64;
- dm[11]=61.2;
-
- //
-
- dm[12]=69.1;
- dm[13]=60.64;
- dm[14]=61.2;
-
- //
-
- dm[15]=69.1;
- dm[16]=60.2;
- dm[17]=61.2;
-
- //
-
- dm[18]=71.6;
- dm[19]=60.2;
- dm[20]=61.2;
-
- gMC->Gsvolu("TICM","PCON",idtmed[4],dm,21);
-
- // Tpc Sandwich 15 - Al
-
- dm[0]=60.64;
- dm[1]=61.2;
- dm[2]=70.1;
-
- gMC->Gsvolu("TS15","TUBE",idtmed[4],dm,3);
-
- // Tpc Sandwich 16 - epoxy glue
-
- dm[0] += 5.e-3;
- dm[1] -= 5.e-3;
-
- gMC->Gsvolu("TS16","TUBE",idtmed[14],dm,3);
-
- // Tpc Sandwich 17 - Tedlar
-
- dm[0] += 0.01;
- dm[1] -= 0.01;
-
- gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3);
-
- // Tpc Sandwich 18 - fiber glass
-
- dm[0] += 5.e-3;
- dm[1] -= 5.e-3;
-
- gMC->Gsvolu("TS18","TUBE",idtmed[12],dm,3);
-
- // Tpc Sandwich 19 - Nomex
-
- dm[0] += 0.01;
- dm[1] -= 0.01;
-
- gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3);
-
- // 19->18->17->16->15-> TICM
-
- gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TS17",1,"TS16",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY");
-
- gMC->Gspos("TS15",1,"TICM ",0.,0.,0.,0,"ONLY");
-
-
- // TPc inner cont. vessel Joints
-
- dm[0]=60.2;
- dm[1]=61.2;
- dm[2]=0.5;
-
- gMC->Gsvolu("TPJ1","TUBE",idtmed[4],dm,3);
-
- gMC->Gspos("TPJ1",1,"TPC ",0.,0.,72.3,0,"ONLY");
- gMC->Gspos("TPJ1",2,"TPC ",0.,0.,-72.3,0,"ONLY");
-
- //
-
- dm[0]=0.;
- dm[1]=360.;
- dm[2]=4.;
-
- //
-
- dm[3]=70.8;
- dm[4]=58.4;
- dm[5]=60.1;
-
- //
-
- dm[6]=71.2;
- dm[7]=58.4;
- dm[8]=60.1;
-
- //
-
- dm[9]=71.2;
- dm[10]=58.4;
- dm[11]=59.4;
-
- //
-
- dm[12]=71.6;
- dm[13]=58.4;
- dm[14]=59.4;
-
- gMC->Gsvolu("TPJ2","PCON",idtmed[4],dm,15);
-
- gMC->Gspos("TPJ2",1,"TPC ",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TPJ2",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY");
-
-
-
- // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being)
-
- dm[0]=58.4;
- dm[1]=61.2;
- dm[2]=0.1;
-
- gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3);
-
- gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY");
- gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY");
-
- // TICM -> TPC
-
- gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY");
-
- //
-
- nRotMat++; // prepare for the next rotation matrix
-
- //---------------------------------------------------------
- // Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10)
- // and its daughters (HV membrane, rods, readout chambers)
- //---------------------------------------------------------
-
- dm[0]= 79.2;
- dm[1]= 258.0;
- dm[2]= 253.6;
-
- gMC->Gsvolu("TDGN","TUBE",idtmed[1],dm,3);
-
- // sector opening angles
-
- Float_t innerOpenAngle = fTPCParam->GetInnerAngle();
- Float_t outerOpenAngle = fTPCParam->GetOuterAngle();
-
- // sector angle shift
-
- Float_t innerAngleShift = fTPCParam->GetInnerAngleShift();
-
- // number of sectors
-
- Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
- Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
-
- // All above parameters are identical for inner and outer
- // sectors. The distinction is kept for the historical reasons
- // and eventually will disappear.
-
- Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle);
- Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha);
- Float_t space;
-
- //-------------------------------------------------------------------------
- // Tpc Inner Readout Chambers
- //-------------------------------------------------------------------------
-
- dm[0]= 14.483;
- dm[1]= 23.3345;
- dm[2]= 1.6; // thickness
- dm[3]= 25.1;
-
- gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4);
-
- // this volume will be positioned in the empty space
- // of the end-cap to avoid overlaps
-
- dm[0]= 13.7305;
- dm[1]= 21.1895;
- dm[2]= 2.25;
- dm[3]= 21.15;
-
- gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4);
-
-
- //------------------------------------------------
- // Tpc Inner readout chamber Pad Plane
- //------------------------------------------------
-
- dm[0]= 14.483;
- dm[1]= 23.3345;
- dm[2]= 0.5;
- dm[3]= 25.1;
-
- gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4);
-
- //
-
- dm[0] -= 1.218511934;
- dm[1] -= 1.218511934;
- dm[2] = 0.35;
-
- gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4);
-
- gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY");
-
- gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY");
-
-
- //----------------------------------------------
- // Tpc Readout Chambers Empty spaces - for both
- // inner and outer sectors
- //----------------------------------------------
-
- gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0);
-
- // Inner sector - 4 spaces
-
-
- dm[3] = 4.7625;
- dm[0] = 12.472;
-
- Float_t rr = 90.52;
- Float_t zz;
-
- zz= -12.7875;
-
- space = rr*tanAlpha-dm[0];
-
- for(Int_t nsLow=0;nsLow<4;nsLow++){
-
- rr += 9.525;
- dm[1]= rr*tanAlpha - space;
-
- dm[2]=0.8;
-
- gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4);
-
- //
-
- dm[2] = 1.2;
-
- gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4);
-
- rr += 0.4;
- dm[0] = rr*tanAlpha - space;
- zz += (0.4+9.525);
-
- }
-
- dm[0]= 12.472;
- // dm[1] - this is the dm[1] from the previous TRCE
- dm[2]= 1.05;
- dm[3]= 19.65;
-
- gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4);
-
- //
- // TPc Space for Connectors
- //
-
- dm[0]= .3;
- dm[1]= .3;
- dm[2]= 4.5;
-
- gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3);
-
- // TPC Connectors
-
- dm[0]= .25;
- dm[1]= .15;
- dm[2]= 3.75;
-
- gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3);
-
- gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY");
-
- zz = -12.7875;
-
-
- Float_t alpha;
- Float_t astep;
-
- // inner part of the inner sector - 2 x 20 holes
-
- astep = 20.00096874/19.;
-
- alpha = 10.00048437-astep;
-
- Float_t x1,x2;
-
- x1 = 13.31175725;
- x1 -= 0.996357832;
-
- x2 = 15.06180253;
- x2 -= 1.163028812;
-
- Int_t ncon;
-
- for(ncon=0;ncon<20;ncon++){
-
- phi1 = 0.;
- theta1 = 90.+alpha;
- phi2=90.;
- theta2 = 90.;
- phi3 = (alpha>0) ? 0. : 180.;
- theta3 = TMath::Abs(alpha);
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
-
-
- gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY");
- gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY");
-
-
- x1 -= 1.296357833;
- x2 -= 1.463028812;
-
- alpha -= astep;
- nRotMat++;
-
- }
-
- // outer part of the inner sector - 2 x 25 holes
-
- astep = 20.00096874/24.;
- alpha = 10.00048437-astep;
-
- x1 = 16.81184781;
- x1 -= 1.016295986;
-
- x2 = 18.5618931;
- x2 -= 1.150914854;
-
- for(ncon=0;ncon<25;ncon++){
-
- phi1 = 0.;
- theta1 = 90.+alpha;
- phi2=90.;
- theta2 = 90.;
- phi3 = (alpha>0) ? 0. : 180.;
- theta3 = TMath::Abs(alpha);
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
-
-
- gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY");
- gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY");
-
-
- x1 -= 1.316295986;
- x2 -= 1.450914854;
-
- alpha -= astep;
- nRotMat++;
-
- }
-
- //--------------------------------------------------------------------------
- // TPC Outer Readout Chambers
- // this is NOT a final design
- //--------------------------------------------------------------------------
-
- dm[0]= 23.3875;
- dm[1]= 43.524;
- dm[2]= 1.5; //thickness
- dm[3]= 57.1;
-
- gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4);
-
- //------------------------------------------------
- // Tpc Outer readout chamber Pad Plane
- //------------------------------------------------
-
- dm[2]= 0.5;
-
- gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4);
-
- dm[0] -= 1.218511934;
- dm[1] -= 1.218511934;
- dm[2] = 0.35;
-
- gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4);
-
- gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY");
-
- gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY");
-
- // empty space
-
- dm[0]= 21.035;
- dm[1]= 38.7205;
- dm[2]= 0.7;
- dm[3]= 50.15;
-
- gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4);
-
- dm[0]= 22.2935;
- dm[1]= 40.5085;
- dm[2]= 2.25;
- dm[3]= 51.65;
-
- gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4);
-
- dm[0]= 21.35;
- dm[1]= 38.7205;
- dm[2]= 2.25;
- dm[3]= 50.15;
-
- gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4);
-
- //-----------------------------------------------
- // Tpc Services Support Wheel
- //-----------------------------------------------
-
- dm[0]=0.;
- dm[1]=360.;
- dm[2]=18.;
- dm[3]=2.;
-
- dm[4]= -5.;
- dm[5]= 77.017;
- dm[6]= 255.267;
-
- dm[7]= 5.;
- dm[8]= dm[5];
- dm[9]= dm[6];
-
- gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10);
-
- // Tpc Services Wheel Cover
-
- dm[4]= -0.5;
- dm[7]= 0.5;
-
- gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10);
-
- // Tpc Service wheel Cover Empty space
-
- dm[0]= 10.99;
- dm[1]= 39.599;
- dm[2]= .5;
- dm[3]= 81.125;
-
- gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4);
-
- // Tpc services Wheel Empty Spaces
-
- dm[0]= 13.18017507;
- dm[1]= 44.61045938;
- dm[2]= 4.;
- dm[3]= 89.125;
-
- gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4);
-
- // Tpc Services Wheel Bars
-
- gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0);
-
- // bars-> TWES
-
- dm[2]= 4.;
- dm[3]= .4;
-
- dm[0]= 13.8149522;
- dm[1]= 13.95601379;
-
- gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4);
-
- dm[0]= 43.83462067;
- dm[1]= 43.97568225;
-
- gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4);
-
- // TPc ELectronics - right now 30% X0 Si
-
- dm[0]= 14.03813696;
- dm[1]= 43.3524075;
- dm[2]= 1.404;
- dm[3]= 83.125;
-
- gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4);
- gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY");
-
- //--------------------------------------------------------------------------
- // End caps
- //--------------------------------------------------------------------------
-
- // TPc Main Wheel - Al
-
- dm[0]= 74.9;
- dm[1]= 264.4;
- dm[2]= 3.0;
-
- gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3);
-
- //--------------------------------------------------------------------------
- // Tpc Empty Space for the Readout chambers
- //--------------------------------------------------------------------------
-
- Float_t rLow= 86.2;
- Float_t rUp= 243.5;
- Float_t dR = 0.5*(rUp-rLow);
-
- space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide
-
- dm[0]= rLow*tanAlpha-space;
- dm[1]= rUp*tanAlpha-space;
- dm[2] = 3.0;
- dm[3]= dR;
-
- gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4);
-
- // TIC1->TESR
-
- gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY");
-
- // TOC1->TESR
-
- gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY");
-
- // Tpc Empty Space Bars - Al (daughters of TESR)
-
- Float_t zBar;
-
- gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0);
-
- // lower bar
-
- dm[0]= rLow*tanAlpha-space;
- dm[1]= 88.7*tanAlpha-space;
- dm[2]= 2.25;
- dm[3]= 1.275;
-
- zBar = -dR+dm[3];
-
- gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
-
- // middle bar
-
- dm[0]= 131.65*tanAlpha-space;
- dm[1]= 136.5*tanAlpha-space;
- dm[3]= 2.425;
-
- zBar = -dR +131.65+dm[3]-rLow;
-
- gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
-
- // upper bar
-
- dm[0]= 240.4*tanAlpha-space;
- dm[1]= rUp*tanAlpha-space;
- dm[3]= 1.55;
-
- zBar = dR-dm[3];
-
- gMC->Gsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4);
-
-
- //------------------------------------------------------
- // TPc Lower "S" Sectors
- //------------------------------------------------------
-
- Float_t deadSpace;
-
-
- Float_t inSecLowEdge = fTPCParam->GetInnerRadiusLow();
- Float_t inSecUpEdge = fTPCParam->GetInnerRadiusUp();
-
- dm[0] = inSecLowEdge*TMath::Tan(0.5*innerOpenAngle)-0.01;
- dm[1] = inSecUpEdge*TMath::Tan(0.5*innerOpenAngle)-0.01;
- dm[2] = 0.5*(250. - 5.e-3);
- dm[3] = 0.5*(inSecUpEdge-inSecLowEdge);
-
- gMC->Gsvolu("TPLS", "TRD1", idtmed[1], dm, 4); // nonsensitive
-
- //----------------------------------------------------------
- // TPc Upper Sectors
- //----------------------------------------------------------
-
- Float_t ouSecLowEdge = fTPCParam->GetOuterRadiusLow();
- Float_t ouSecUpEdge = fTPCParam->GetOuterRadiusUp();
-
- dm[0] = ouSecLowEdge*TMath::Tan(0.5*outerOpenAngle)-0.01;
- dm[1] = ouSecUpEdge*TMath::Tan(0.5*outerOpenAngle)-0.01;
- dm[2] = 0.5*(250. - 5.e-3);
- dm[3] = 0.5*(ouSecUpEdge-ouSecLowEdge);
-
- gMC->Gsvolu("TPUS", "TRD1", idtmed[1], dm, 4); // nonsensitive
-
- //--------------------------------------------------------
- // TPc Sensitive Strips, the same for S and L sectors
- //--------------------------------------------------------
-
- gMC->Gsvolu("TPSS","TRD1",idtmed[2],dm,0); // sensitive
-
- Int_t nofStrips,nstr;
- Float_t r1,r2,zs;
- Float_t stripThick = 0.01; // 100 microns
-
- // inner sector
-
- nofStrips = fTPCParam->GetNRowLow();
- deadSpace = fTPCParam->GetInnerWireMount();
-
- dm[2] = 0.5*(250. - 5.e-3);
- dm[3] = 0.5 * stripThick;
-
- for(nstr=0;nstr<nofStrips;nstr++){
-
- r1 = fTPCParam->GetPadRowRadiiLow(nstr);
- r2 = r1 + stripThick;
- dm[0] = r1 * TMath::Tan(0.5*innerOpenAngle) - deadSpace;
- dm[1] = r2 * TMath::Tan(0.5*innerOpenAngle) - deadSpace;
- zs = -inSecLowEdge -0.5*(inSecUpEdge-inSecLowEdge);
- zs += r1;
- zs += dm[3];
-
- gMC->Gsposp("TPSS", nstr+1, "TPLS", 0., 0., zs, 0, "ONLY", dm, 4);
-
- }
-
- Int_t nsSave = nofStrips;
-
- // outer sector
-
- nofStrips = fTPCParam->GetNRowUp();
- deadSpace = fTPCParam->GetOuterWireMount();
-
- dm[2] = 0.5*(250. - 5.e-3);
- dm[3] = 0.5 * stripThick;
-
- for(nstr=0;nstr<nofStrips;nstr++){
-
- r1 = fTPCParam->GetPadRowRadiiUp(nstr);
- r2 = r1 + stripThick;
- dm[0] = r1 * TMath::Tan(0.5*outerOpenAngle) - deadSpace;
- dm[1] = r2 * TMath::Tan(0.5*outerOpenAngle) - deadSpace;
- zs = -ouSecLowEdge -0.5*(ouSecUpEdge-ouSecLowEdge);
- zs += r1;
- zs += dm[3];
-
- gMC->Gsposp("TPSS", nstr+1+nsSave, "TPUS", 0., 0., zs, 0, "ONLY", dm, 4);
-
- }
-
- //-------------------------------------------------------
- // positioning of the empty spaces into the main wheel
- // and readout chambers and sectors into the drift gas
- //-------------------------------------------------------
-
-
- Float_t rCenter,xc,yc;
- Float_t rInner,rOuter; // center of the inner and outer chamber
-
- rCenter = rLow+dR;
-
- rInner = 108.07;
- rOuter = 190.68;
-
-
- for(Int_t ns=0; ns<nInnerSector;ns++){
-
- phi1 = ns * innerOpenAngle + innerAngleShift;
- phi1 *= kRaddeg; // in degrees
-
- phi1 = (Float_t)TMath::Nint(phi1) + 270.;
-
- if (phi1 > 360.) phi1 -= 360.;
-
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = ns * innerOpenAngle + innerAngleShift;
- phi3 *= kRaddeg; // in degrees
-
- phi3 = (Float_t)TMath::Nint(phi3);
-
- if(phi3 > 360.) phi3 -= 360.;
-
- theta3 = 90.;
-
- // "holes"->End plate
-
- xc = rCenter*TMath::Cos(phi3*kDegrad);
- yc = rCenter*TMath::Sin(phi3*kDegrad);
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY");
-
- // TSCE->TSWC (services wheel volumes)
-
- xc = 166.142*TMath::Cos(phi3*kDegrad);
- yc = 166.142*TMath::Sin(phi3*kDegrad);
-
- gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY");
- gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY");
-
-
- // readout chambers->TDGN (drift gas)
-
- xc = rInner*TMath::Cos(phi3*kDegrad);
- yc = rInner*TMath::Sin(phi3*kDegrad);
-
- gMC->Gspos("TIRC",ns+1,"TDGN",xc,yc,252.,idrotm[nRotMat],"ONLY");
-
- // here lower sectors
-
- gMC->Gspos("TPLS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY");
- gMC->Gspos("TPLS",ns+nInnerSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY");
-
-
-
- xc = rOuter*TMath::Cos(phi3*kDegrad);
- yc = rOuter*TMath::Sin(phi3*kDegrad);
-
- gMC->Gspos("TORC",ns+1,"TDGN",xc,yc,252.1,idrotm[nRotMat],"ONLY");
-
- // here upper sectors
-
- gMC->Gspos("TPUS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY");
- gMC->Gspos("TPUS",ns+nOuterSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY");
-
-
- nRotMat++;
-
- theta2 = 0.; // reflection
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- xc = rInner*TMath::Cos(phi3*kDegrad);
- yc = rInner*TMath::Sin(phi3*kDegrad);
-
- gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGN",xc,yc,-252.,idrotm[nRotMat],"ONLY");
-
- xc = rOuter*TMath::Cos(phi3*kDegrad);
- yc = rOuter*TMath::Sin(phi3*kDegrad);
-
- gMC->Gspos("TORC",ns+nOuterSector+1,"TDGN",xc,yc,-252.1,idrotm[nRotMat],"ONLY");
-
- nRotMat++;
-
- }
- // TPMW->TPC
-
- gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY");
- gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY");
-
- //---------------------------------------------------------
- // Tpc High Voltage Membrane - 100 microns of mylar
- //---------------------------------------------------------
-
- dm[0]=82.8;
- dm[1]=252.;
- dm[2]=0.005;