* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.45 2003/01/14 10:50:20 alibrary
-Cleanup of STEER coding conventions
-
-Revision 1.44 2002/11/21 22:43:32 alibrary
-Removing AliMC and AliMCProcess
-
-Revision 1.43 2002/10/14 14:57:43 hristov
-Merging the VirtualMC branch to the main development branch (HEAD)
-
-Revision 1.40.6.2 2002/07/24 10:09:01 alibrary
-Updating VirtualMC
-
-Revision 1.42 2002/06/12 14:56:56 kowal2
-Added track length to the reference hits
-
-Revision 1.41 2002/05/27 14:33:15 hristov
-The new class AliTrackReference used (M.Ivanov)
-
-Revision 1.40 2002/01/21 17:12:00 kowal2
-New track hits structure using root containers
-
-Revision 1.39 2001/05/16 14:57:25 alibrary
-New files for folders and Stack
-
-Revision 1.38 2001/05/08 16:03:06 kowal2
-Geometry update according to the latest technical spec.
-
-Revision 1.37 2001/04/27 15:23:07 kowal2
-Correct materian in the central part of the inner containment vessel
-
-Revision 1.36 2001/04/26 06:15:12 kowal2
-Corrected bug in the inner containment vessel (cones)
-
-Revision 1.35 2001/04/24 11:17:33 kowal2
-New TPC geometry.
-
-Revision 1.34 2001/04/23 10:20:18 hristov
-Constant casted to avoid ambiguity
-
-Revision 1.33 2001/04/20 08:16:47 kowal2
-Protection against too small betaGamma. Thanks to Ivana and Yves.
-
-Revision 1.32 2001/03/13 13:07:34 kowal2
-Corrected bug in the TPC mother volume geometry.
-Thanks to A. Morsch
-
-Revision 1.31 2000/11/30 11:48:50 kowal2
-TLorentzVector.h adde to satisfy the latest changes by Federico
-
-Revision 1.30 2000/11/14 10:48:57 kowal2
-Correct material used for TSA4. Thanks to J. Barbosa.
-
-Revision 1.29 2000/11/06 17:24:10 kowal2
-Corrected bug in the outer containment vessel and
-the outer field cage geometry.
-Thanks to J. Barbosa.
-
-Revision 1.28 2000/11/02 16:55:24 kowal2
-Corrected bug in the inner containment vessel geometry.
-Thanks to J. Belikov
-
-Revision 1.27 2000/11/02 07:24:11 kowal2
-Correction in the TPC geometry.
-Changes due to the new hit structure.
-
-Revision 1.26 2000/10/05 16:16:29 kowal2
-Corrections of the hit recording algorithm.
-
-Revision 1.25 2000/10/02 21:28:18 fca
-Removal of useless dependecies via forward declarations
-
-Revision 1.24 2000/08/28 10:02:30 kowal2
-Corrected bug in the StepManager
-
-Revision 1.23 2000/07/10 20:57:39 hristov
-Update of TPC code and macros by M.Kowalski
-
-Revision 1.22 2000/06/30 12:07:50 kowal2
-Updated from the TPC-PreRelease branch
-
-Revision 1.21.2.4 2000/06/26 07:39:42 kowal2
-Changes to obey the coding rules
-
-Revision 1.21.2.3 2000/06/25 08:38:41 kowal2
-Splitted from AliTPCtracking
-
-Revision 1.21.2.2 2000/06/16 12:58:13 kowal2
-Changed parameter settings
-
-Revision 1.21.2.1 2000/06/09 07:15:07 kowal2
-
-Defaults loaded automatically (hard-wired)
-Optional parameters can be set via macro called in the constructor
-
-Revision 1.21 2000/05/15 10:00:30 kowal2
-Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova
-
-Revision 1.20 2000/04/17 09:37:33 kowal2
-removed obsolete AliTPCDigitsDisplay.C
-
-Revision 1.19.8.2 2000/04/10 08:31:52 kowal2
-
-Different geometry for different sectors
-Updated readout chambers
-Some modifications to StepManager by J.Belikov
-
-Revision 1.19.8.1 2000/04/10 07:56:53 kowal2
-Not used anymore - removed
-
-Revision 1.19 1999/11/04 17:28:07 fca
-Correct barrel part of HV Degrader
-
-Revision 1.18 1999/10/14 16:52:08 fca
-Only use PDG codes and not GEANT ones
-
-Revision 1.17 1999/10/08 06:27:23 fca
-Corrected bug in the HV degrader geometry, thanks to G.Tabary
-
-Revision 1.16 1999/10/04 13:39:54 fca
-Correct array index problem
-
-Revision 1.15 1999/09/29 09:24:34 fca
-Introduction of the Copyright and cvs Log
-
-*/
+/* $Id$ */
//
///////////////////////////////////////////////////////////////////////////////
// //
///////////////////////////////////////////////////////////////////////////////
-#include <stdlib.h>
-
-#include <TMath.h>
-#include <TPDGCode.h>
-
-#include "AliConst.h"
-#include "AliRun.h"
-#include "AliTPCDigitsArray.h"
-#include "AliTPCParam.h"
-#include "AliTPCParamSR.h"
-#include "AliTPCTrackHitsV2.h"
-#include "AliTPCv2.h"
-#include "TLorentzVector.h"
-
-ClassImp(AliTPCv2)
-
-//_____________________________________________________________________________
-AliTPCv2::AliTPCv2(const char *name, const char *title) :
- AliTPC(name, title)
-{
- //
- // Standard constructor for Time Projection Chamber version 2
- //
- fIdSens=0;
- fIdLSec=0;
- fIdUSec=0;
-
- SetBufferSize(128000);
-
- SetGasMixt(2,20,10,-1,0.9,0.1,0.); // Ne-CO2 90-10
-
- // Default sectors
-
- SetSecAL(4);
- SetSecAU(4);
- SetSecLows(1, 2, 3, 19, 20, 21);
- SetSecUps(37, 38, 39, 37+18, 38+18, 39+18, -1, -1, -1, -1, -1, -1);
- SetSens(1); // sensitive strips set
-
- if (fTPCParam)
- fTPCParam->Write(fTPCParam->GetTitle());
-}
-
-//_____________________________________________________________________________
-void AliTPCv2::CreateGeometry()
-{
- //
- // Create the geometry of Time Projection Chamber version 2
- //
- //Begin_Html
- /*
- <img src="picts/AliTPC.gif">
- */
- //End_Html
- //Begin_Html
- /*
- <img src="picts/AliTPCv2Tree.gif">
- */
- //End_Html
-
-
- Int_t *idtmed = fIdtmed->GetArray();
-
- Float_t dm[50];
- Int_t idrotm[120];
-
- Int_t nRotMat = 0;
-
- Int_t i,ifl1=0;
-
- // number of sectors
-
- Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
- Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
-
- // ---------------------------------------------------
- // sector specification check
- // ---------------------------------------------------
- if (fSecAL >= 0) {
- ifl1 = 0;
-
- for (i = 0; i < 6; ++i) {
- if (fSecLows[i] >= 0 && fSecLows[i] < 2*nInnerSector) {
- ifl1 = 1;
- printf("%s: *** SECTOR %d selected\n",ClassName(),fSecLows[i]);
- }
- }
-
- } else {
- printf("%s: *** ALL LOWER SECTORS SELECTED ***\n",ClassName());
- ifl1 = 1;
- }
-
- if (ifl1 == 0) {
- printf("%s: *** ERROR: AT LEAST ONE LOWER SECTOR MUST BE SPECIFIED ***\n",ClassName());
- printf("%s: !!! PROGRAM STOPPED !!!\n",ClassName());
- exit(1);
- }
-
- if (fSecAU >= 0) {
-
- for (i = 0; i < 12; ++i) {
- if (fSecUps[i] > 2*nInnerSector-1 &&
- fSecUps[i] < 2*(nInnerSector+nOuterSector)) {
- printf("%s: *** SECTOR %d selected\n",ClassName(),fSecUps[i]);
- }
- }
-
- } else {
- printf("%s: *** ALL UPPER SECTORS SELECTED ***\n",ClassName());
- }
-
-
-
- //--------------------------------------------------------------------
-
- //
- // 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]=274.8124;
- dm[11]=278.;
-
- //
-
- dm[12]=253.6;
- dm[13]=274.8124;
- 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]=274.8124;
- 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] += 3.8e-3;
- dm[1] -= 3.8e-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]=260.0476;
-
- //
-
- dm[12]=250.6;
- dm[13]=258.;
- dm[14]=260.0476;
-
- //
-
- 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]= 260.0476;
- dm[2]= 252.1;
-
- gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3);
-
- // Tpc SAndwich 7 - fiber glass
-
- dm[0] += 3.8e-3;
- dm[1] -= 3.8e-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]=77.0524;
- dm[11]=79.2;
-
- //
-
- dm[12]=-88.;
- dm[13]=77.0524;
- dm[14]=79.2;
-
- //
-
- dm[15]=-88.;
- dm[16]=77.0924;
- dm[17]=79.16;
-
- //
-
- dm[18]=88.;
- dm[19]=77.0924;
- dm[20]=79.16;
-
- //
-
- dm[21]=88.;
- dm[22]=77.0524;
- dm[23]=79.2;
-
- //
-
- dm[24]=250.6;
- dm[25]=77.0524;
- 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]=77.0924;
- dm[1]=79.16;
- dm[2]=88.;
-
- gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3);
-
- // Tpc Sandwich 10 - fiber glass (G10)
-
- dm[0] += 3.8e-3;
- dm[1] -= 3.8e-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]=77.0524;
- dm[1]=79.2;
- dm[2]=82.05;
-
- gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3);
-
- // Tpc Sandwich 13 - fiber glass (G10)
-
- dm[0] += 3.8e-3;
- dm[1] -= 3.8e-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]=60.6224;
- dm[11]=61.2;
-
- //
-
- dm[12]=69.1;
- dm[13]=60.6224;
- 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]=60.6224;
- 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 - carbon fiber
-
- dm[0] += 3.8e-3;
- dm[1] -= 3.8e-3;
-
- gMC->Gsvolu("TS18","TUBE",idtmed[15],dm,3);
-
- // Tpc Sandwich 19 - Nomex
-
- dm[0] += 0.02;
- dm[1] -= 0.02;
-
- 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();
-
-
- // 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 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[2], dm, 4); // sensitive
-
-
- //----------------------------------------------------------
- // 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[2], dm, 4); // sensitive
-
-
-
- // sensitive strips
-
- 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
- Float_t deadSpace;
-
- // inner sector
-
-
- // if all lower sectors selected define only 1 strip
-
- nofStrips=((fSecAL <0)||(fSecAL>=0 && fSens<0)) ? 1 : 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);
-
-
- }
-
- // strips only if several upper sectors selected end fSens > 0
-
- if(fSecAU >=0 && fSens >0){
-
- 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
-
- if(fSecAL <0){
-
- // all lower sectors are positioned
-
- 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");
- }
- else{
-
- // only selected sectors are positioned (up to 6 sectors)
-
- for(Int_t sel=0;sel<6;sel++){
-
- if(fSecLows[sel] == ns){
- gMC->Gspos("TPLS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY");
- }
- else if(fSecLows[sel] == ns+nInnerSector){
- gMC->
- Gspos("TPLS",ns+nInnerSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY");
- }
- }
- } // lower sectors finished
-
-
- 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
-
- if(fSecAU <0){
-
- // all 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");
- }
- else{
-
- // only selected sectors (up to 12)
-
- for(Int_t sel=0;sel<12;sel++){
- if(fSecUps[sel] == ns+2*nInnerSector){
- gMC->Gspos("TPUS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY");
- }
- else if(fSecUps[sel] == ns+2*nInnerSector+nOuterSector){
- gMC->
- Gspos("TPUS",ns+nOuterSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY");
- }
- }
- } // upper sectors finished
-
-
- 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;
-
- gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3);
-
- gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY");
-
- // Tpc High Voltage membrane Holders
-
- gMC->Gsvolu("THVH","TUBE",idtmed[4],dm,0);
-
-
-
- // inner
-
- dm[0]=79.3;
- dm[1]=82.8;
- dm[2]=0.2;
-
- gMC->Gsposp("THVH",1,"TDGN",0.,0.,0.,0,"ONLY",dm,3);
-
- // outer
-
- dm[0]= 252.;
- dm[1]= 257.9;
- dm[2]= 0.4;
-
- gMC->Gsposp("THVH",2,"TDGN",0.,0.,0.,0,"ONLY",dm,3);
-
- //----------------------------------------------------------
- // TPc Support Rods - MAKROLON
- //----------------------------------------------------------
-
- dm[0]= 0.9;
- dm[1]= 1.2;
-
- gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ
-
-
- for(Int_t nrod=0;nrod<18;nrod++){
- Float_t angle=innerOpenAngle*(Float_t)nrod;
-
- xc=81.5*TMath::Cos(angle);
- yc=81.5*TMath::Sin(angle);
-
- dm[2]=126.7;
-
- gMC->Gsposp("TPSR",nrod+1,"TDGN",xc,yc,126.9,0,"ONLY",dm,3);
- gMC->Gsposp("TPSR",nrod+19,"TDGN",xc,yc,-126.9,0,"ONLY",dm,3);
-
- dm[2]=126.6;
-
- xc=254.25*TMath::Cos(angle);
- yc=254.25*TMath::Sin(angle);
-
- // rod number 54 contans the HV cable
-
- if(nrod<17) {
- gMC->Gsposp("TPSR",nrod+37,"TDGN",xc,yc,127.,0,"ONLY",dm,3);
- gMC->Gsposp("TPSR",nrod+54,"TDGN",xc,yc,-127.,0,"ONLY",dm,3);
- }
-
- }
-
- //----------------------------------------------------------
- // Tpc High Voltage Rod - MAKROLON + Copper cable
- //----------------------------------------------------------
-
- // rod with cable (Left)
-
- dm[0]=0.;
- dm[1]=2.25;
- dm[2]=126.6;
-
- gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3);
-
- // HV cable
-
- dm[0]=0.;
- dm[1]=0.3;
- dm[2]=126.6;
-
- gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3);
-
- // empty space
-
- dm[0]=0.3;
- dm[1]=1.;
- dm[2]=126.6;
-
- gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3);
-
- gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY");
- gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY");
-
- // rod without cable
-
- dm[0]=1.8;
- dm[1]=2.25;
- dm[2]=126.6;
-
- gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3);
-
- gMC->Gspos("THVL",1,"TDGN",xc,yc,-127.,0,"ONLY");
- gMC->Gspos("THVR",1,"TDGN",xc,yc,127.,0,"ONLY");
-
- gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY");
-
- // services wheel cover -> wheel
+//#include <stdlib.h>
+#include <TLorentzVector.h>
+#include <TPDGCode.h>
+#include <TString.h>
+#include "AliLog.h"
+#include "AliMathBase.h"
+#include "AliTrackReference.h"
+#include "AliTPCParam.h"
+#include "AliTPCTrackHitsV2.h"
+#include "AliTPCv2.h"
+#include "AliGeomManager.h"
+#include "TGeoVolume.h"
+#include "TGeoPcon.h"
+#include "TGeoTube.h"
+#include "TGeoPgon.h"
+#include "TGeoTrd1.h"
+#include "TGeoCompositeShape.h"
+#include "TGeoPara.h"
+#include "TGeoPhysicalNode.h"
+#include "TGeoHalfSpace.h"
+#include "TTreeStream.h"
- gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY");
- gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY");
+ClassImp(AliTPCv2)
+
+//_____________________________________________________________________________
+AliTPCv2::AliTPCv2(const char *name, const char *title) :
+ AliTPC(name, title),
+ fIdSens(0),
+ fIDrift(0),
+ fSecOld(0)
+{
+ //
+ // Standard constructor for Time Projection Chamber version 2
+ //
- // put the wheel into the TPC
+ SetBufferSize(128000);
- gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY");
- gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY");
+// if (fTPCParam)
+// fTPCParam->Write(fTPCParam->GetTitle());
+}
+
+//_____________________________________________________________________________
+void AliTPCv2::CreateGeometry()
+{
+ //
+ // Create the geometry of Time Projection Chamber version 2
//
+ //Begin_Html
+ /*
+ <img src="picts/AliTPC.gif">
+ */
+ //End_Html
+ //Begin_Html
+ /*
+ <img src="picts/AliTPCv2Tree.gif">
+ */
+ //End_Html
- gMC->Gsord("TPMW",6);
- gMC->Gsord("TSSW",6);
- gMC->Gsord("TSWC",6);
- if(fSecAL >=0) gMC->Gsord("TPLS",3);
- if(fSecAU >=0 && fSens >0) gMC->Gsord("TPUS",3);
- gMC->Gsord("TDGN",6);
+ //----------------------------------------------------------
+ // This geometry is written using TGeo class
+ // Firstly the shapes are defined, and only then the volumes
+ // What is recognized by the MC are volumes
+ //----------------------------------------------------------
+ //
+ // tpc - this will be the mother volume
+ //
- // put the TPC into ALIC (main mother volume)
+ //
+ // here I define a volume TPC
+ // retrive the medium name with "TPC_" as a leading string
+ //
+ TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections
+ //
+ tpc->DefineSection(0,-289.6,77.,278.);
+ tpc->DefineSection(1,-262.1,77.,278.);
+ //
+ tpc->DefineSection(2,-262.1,83.1,278.);
+ tpc->DefineSection(3,-260.,83.1,278.);
+ //
+ tpc->DefineSection(4,-260.,70.,278.);
+ tpc->DefineSection(5,-259.6,70.,278.);
+ //
+ tpc->DefineSection(6,-259.6,68.1,278.);
+ tpc->DefineSection(7,-253.6,68.1,278.);
+ //
+ tpc->DefineSection(8,-253.6,68.,278.);
+ tpc->DefineSection(9,-74.0,60.8,278.);
+ //
+ tpc->DefineSection(10,-74.0,60.1,278.);
+ tpc->DefineSection(11,-73.3,60.1,278.);
+ //
+ tpc->DefineSection(12,-73.3,56.9,278.);
+ tpc->DefineSection(13,-68.5,56.9,278.);
+ //
+ tpc->DefineSection(14,-68.5,60.,278.);
+ tpc->DefineSection(15,-64.7,60.,278.);
+ //
+ tpc->DefineSection(16,-64.7,56.9,278.);
+ tpc->DefineSection(17,73.3,56.9,278.);
+ //
+ tpc->DefineSection(18,73.3,60.1,278.);
+ tpc->DefineSection(19,74.0,60.1,278.);
+ //
+ tpc->DefineSection(20,74.0,60.8,278.);
+ tpc->DefineSection(21,253.6,65.5,278.);
+ //
+ tpc->DefineSection(22,253.6,65.6,278.);
+ tpc->DefineSection(23,259.6,65.6,278.);
+ //
+ tpc->DefineSection(24,259.6,70.0,278.);
+ tpc->DefineSection(25,260.,70.0,278.);
+ //
+ tpc->DefineSection(26,260.,83.1,278.);
+ tpc->DefineSection(27,262.1,83.1,278.);
+ //
+ tpc->DefineSection(28,262.1,77.,278);
+ tpc->DefineSection(29,289.6,77.,278.);
+ //
+ TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
+ TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
+ //
+ // drift volume - sensitive volume, extended beyond the
+ // endcaps, because of the alignment
+ //
+ TGeoPcon *dvol = new TGeoPcon(0.,360.,6);
+ dvol->DefineSection(0,-260.,74.5,264.4);
+ dvol->DefineSection(1,-253.6,74.5,264.4);
+ //
+ dvol->DefineSection(2,-253.6,76.6774,258.);
+ dvol->DefineSection(3,253.6,76.6774,258.);
+ //
+ dvol->DefineSection(4,253.6,74.5,264.4);
+ dvol->DefineSection(5,260.,74.5,264.4);
+ //
+ TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-2");
+ TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
+ //
+ v1->AddNode(v9,1);
+ //
+ // outer insulator
+ //
+ TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator
+ //
+ tpco->DefineSection(0,-256.6,264.8,278.);
+ tpco->DefineSection(1,-253.6,264.8,278.);
+ //
+ tpco->DefineSection(2,-253.6,258.,278.);
+ tpco->DefineSection(3,250.6,258.,278.);
+ //
+ tpco->DefineSection(4,250.6,258.,275.5);
+ tpco->DefineSection(5,253.6,258.,275.5);
+ //
+ TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2");
+ TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2);
+ //
+ TGeoRotation *segrot;//segment rotations
+ //
+ // outer containment vessel
+ //
+ TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel
+ //
+ tocv->DefineSection(0,-256.6,264.8,278.);
+ tocv->DefineSection(1,-253.6,264.8,278.);
+ //
+ tocv->DefineSection(2,-253.6,274.8124,278.);
+ tocv->DefineSection(3,247.6,274.8124,278.);
+ //
+ tocv->DefineSection(4,247.6,270.4,278.);
+ tocv->DefineSection(5,250.6,270.4,278.);
+ //
+ TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al");
+ TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3);
+ //
+ TGeoTubeSeg *to1 = new TGeoTubeSeg(274.8174,277.995,252.1,0.,59.9); //epoxy
+ TGeoTubeSeg *to2 = new TGeoTubeSeg(274.8274,277.985,252.1,0.,59.9); //tedlar
+ TGeoTubeSeg *to3 = new TGeoTubeSeg(274.8312,277.9812,252.1,0.,59.9);//prepreg2
+ TGeoTubeSeg *to4 = new TGeoTubeSeg(274.9062,277.9062,252.1,0.,59.9);//nomex
+ TGeoTubeSeg *tog5 = new TGeoTubeSeg(274.8174,277.995,252.1,59.9,60.);//epoxy
+ //
+ TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy");
+ TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar");
+ TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2");
+ TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex");
+ //
+ TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1);
+ TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2);
+ TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3);
+ TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4);
+ TGeoVolume *togv5 = new TGeoVolume("TPC_OCVG5",tog5,sm1);
+ //-------------------------------------------------------
+ // Tpc Outer Field Cage
+ // daughters - composite (sandwich)
+ //-------------------------------------------------------
- gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY");
+ TGeoPcon *tofc = new TGeoPcon(0.,360.,6);
+ //
+ tofc->DefineSection(0,-253.6,258.,269.6);
+ tofc->DefineSection(1,-250.6,258.,269.6);
+ //
+ tofc->DefineSection(2,-250.6,258.,260.0676);
+ tofc->DefineSection(3,250.6,258.,260.0676);
+ //
+ tofc->DefineSection(4,250.6,258.,275.5);
+ tofc->DefineSection(5,253.6,258.,275.5);
+ //
+ TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3);
+ //sandwich
+ TGeoTubeSeg *tf1 = new TGeoTubeSeg(258.0,260.0676,252.1,0.,59.9); //tedlar
+ TGeoTubeSeg *tf2 = new TGeoTubeSeg(258.0038,260.0638,252.1,0.,59.9); //prepreg3
+ TGeoTubeSeg *tf3 = new TGeoTubeSeg(258.0338,260.0338,252.1,0.,59.9);//nomex
+ TGeoTubeSeg *tfg4 = new TGeoTubeSeg(258.0,260.0676,252.1,59.9,60.); //epoxy glue
+ //
+ TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3");
+ //
+ TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2);
+ TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5);
+ TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4);
+ TGeoVolume *tfg4v = new TGeoVolume("TPC_OFCG4",tfg4,sm1);
+ //
+ // outer part - positioning
+ //
+ tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);//ocv
+ //
+ tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);//ofc
+ //
+ TGeoVolumeAssembly *t200 = new TGeoVolumeAssembly("TPC_OCVSEG");
+ TGeoVolumeAssembly *t300 = new TGeoVolumeAssembly("TPC_OFCSEG");
+ //
+ // assembly OCV and OFC
+ //
+ // 1st - no rotation
+ t200->AddNode(tov1,1); t200->AddNode(togv5,1);
+ t300->AddNode(tf1v,1); t300->AddNode(tfg4v,1);
+ // 2nd - rotation 60 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(60.);
+ t200->AddNode(tov1,2,segrot); t200->AddNode(togv5,2,segrot);
+ t300->AddNode(tf1v,2,segrot); t300->AddNode(tfg4v,2,segrot);
+ // 3rd rotation 120 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(120.);
+ t200->AddNode(tov1,3,segrot); t200->AddNode(togv5,3,segrot);
+ t300->AddNode(tf1v,3,segrot); t300->AddNode(tfg4v,3,segrot);
+ //4th rotation 180 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(180.);
+ t200->AddNode(tov1,4,segrot); t200->AddNode(togv5,4,segrot);
+ t300->AddNode(tf1v,4,segrot); t300->AddNode(tfg4v,4,segrot);
+ //5th rotation 240 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(240.);
+ t200->AddNode(tov1,5,segrot); t200->AddNode(togv5,5,segrot);
+ t300->AddNode(tf1v,5,segrot); t300->AddNode(tfg4v,5,segrot);
+ //6th rotation 300 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(300.);
+ t200->AddNode(tov1,6,segrot); t200->AddNode(togv5,6,segrot);
+ t300->AddNode(tf1v,6,segrot); t300->AddNode(tfg4v,6,segrot);
+ //
+ v3->AddNode(t200,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(t300,1);
+ //
+ v2->AddNode(v3,1); v2->AddNode(v4,1);
+ //
+ v1->AddNode(v2,1);
+ //--------------------------------------------------------------------
+ // Tpc Inner INsulator (CO2)
+ // the cones, the central drum and the inner f.c. sandwich with a piece
+ // of the flane will be placed in the TPC
+ //--------------------------------------------------------------------
+ TGeoPcon *tpci = new TGeoPcon(0.,360.,4);
+ //
+ tpci->DefineSection(0,-253.6,68.4,76.6774);
+ tpci->DefineSection(1,-74.0,61.2,76.6774);
+ //
+ tpci->DefineSection(2,74.0,61.2,76.6774);
+ //
+ tpci->DefineSection(3,253.6,65.9,76.6774);
+ //
+ TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2);
+ //
+ // now the inner field cage - only part of flanges (2 copies)
+ //
+ TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5);
+ TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3);
+ //
+ //---------------------------------------------------------
+ // Tpc Inner Containment vessel - Muon side
+ //---------------------------------------------------------
+ TGeoPcon *tcms = new TGeoPcon(0.,360.,10);
+ //
+ tcms->DefineSection(0,-259.1,68.1,74.2);
+ tcms->DefineSection(1,-253.6,68.1,74.2);
+ //
+ tcms->DefineSection(2,-253.6,68.1,68.4);
+ tcms->DefineSection(3,-74.0,60.9,61.2);
+ //
+ tcms->DefineSection(4,-74.0,60.1,61.2);
+ tcms->DefineSection(5,-73.3,60.1,61.2);
+ //
+ tcms->DefineSection(6,-73.3,56.9,61.2);
+ tcms->DefineSection(7,-73.0,56.9,61.2);
+ //
+ tcms->DefineSection(8,-73.0,56.9,58.8);
+ tcms->DefineSection(9,-71.3,56.9,58.8);
+ //
+ TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3);
+ //-----------------------------------------------
+ // inner containment vessel - shaft side
+ //-----------------------------------------------
+ TGeoPcon *tcss = new TGeoPcon(0.,360.,10);
+ //
+ tcss->DefineSection(0,71.3,56.9,58.8);
+ tcss->DefineSection(1,73.0,56.9,58.8);
+ //
+ tcss->DefineSection(2,73.0,56.9,61.2);
+ tcss->DefineSection(3,73.3,56.9,61.2);
+ //
+ tcss->DefineSection(4,73.3,60.1,61.2);
+ tcss->DefineSection(5,74.0,60.1,61.2);
+ //
+ tcss->DefineSection(6,74.0,60.9,61.2);
+ tcss->DefineSection(7,253.6,65.6,65.9);
+ //
+ tcss->DefineSection(8,253.6,65.6,74.2);
+ tcss->DefineSection(9,258.1,65.6,74.2);
+ //
+ TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3);
+ //-----------------------------------------------
+ // Inner field cage
+ // define 4 parts and make an assembly
+ //-----------------------------------------------
+ // part1 - Al - 2 copies
+ TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75);
+ TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3);
+ // sandwich - outermost parts - 2 copies
+ //
+ // segment outermost
+ //
+ TGeoTubeSeg *t2 = new TGeoTubeSeg(76.6774,78.845,74.175,350.,109.4); // tedlar 38 microns
+ TGeoTubeSeg *t3 = new TGeoTubeSeg(76.6812,78.8412,74.175,350.,109.4); // prepreg2 500 microns
+ TGeoTubeSeg *t4 = new TGeoTubeSeg(76.7312,78.7912,74.175,350.,109.4); // prepreg3 300 microns
+ TGeoTubeSeg *t5 = new TGeoTubeSeg(76.7612,78.7612,74.175,350.,109.4); // nomex 2 cm
+ TGeoTubeSeg *tepox1 = new TGeoTubeSeg(76.6774,78.845,74.175,109.4,110.);//epoxy
+ TGeoTubeSeg *tpr1 = new TGeoTubeSeg(78.845,78.885,74.175,109.,111.);
+
+ // volumes for the outer part
+ TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2);
+ TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3);
+ TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5);
+ TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4);
+ TGeoVolume *tvep1 = new TGeoVolume("TPC_IFEPOX1",tepox1,sm1);
+ TGeoVolume *tvpr1 = new TGeoVolume("TPC_PRSTR1",tpr1,sm2);
+ //
+ // middle parts - 2 copies
+ //
+ // segment middle
+ //
+ TGeoTubeSeg *t6 = new TGeoTubeSeg(76.6774,78.795,5.,350.,109.4); // tedlar 38 microns
+ TGeoTubeSeg *t7 = new TGeoTubeSeg(76.6812,78.7912,5.,350.,109.4); // prepreg2 250 microns
+ TGeoTubeSeg *t8 = new TGeoTubeSeg(76.7062,78.7662,5.,350.,109.4); // prepreg3 300 microns
+ TGeoTubeSeg *t9 = new TGeoTubeSeg(76.7362,78.7362,5.,350.,109.4); // nomex 2 cm
+ TGeoTubeSeg *tepox2 = new TGeoTubeSeg(76.6774,78.795,5.,109.4,110.);//epoxy
+ TGeoTubeSeg *tpr2 = new TGeoTubeSeg(78.795,78.835,5.,109.,111.);
+ // volumes for the middle part
+ TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2);
+ TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3);
+ TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5);
+ TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4);
+ TGeoVolume *tvep2 = new TGeoVolume("TPC_IFEPOX2",tepox2,sm1);
+ TGeoVolume *tvpr2 = new TGeoVolume("TPC_PRSTR2",tpr2,sm2);
+ // central part - 1 copy
+ //
+ // segment central part
+ //
+ TGeoTubeSeg *t10 = new TGeoTubeSeg(76.6774,78.785,93.75,350.,109.4); // tedlar 38 microns
+ TGeoTubeSeg *t11 = new TGeoTubeSeg(76.6812,78.7812,93.75,350.,109.4); // prepreg3 500 microns
+ TGeoTubeSeg *t12 = new TGeoTubeSeg(76.7312,78.7312,93.75,350.,109.4); // nomex 2 cm
+ TGeoTubeSeg *tepox3 = new TGeoTubeSeg(76.6774,78.785,93.75,109.4,110.);//epoxy
+ TGeoTubeSeg *tpr3 = new TGeoTubeSeg(78.785,78.825,93.75,109.,111.);
+ // volumes for the central part
+ TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2);
+ TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5);
+ TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4);
+ TGeoVolume *tvep3 = new TGeoVolume("TPC_IFEPOX3",tepox3,sm1);
+ TGeoVolume *tvpr3 = new TGeoVolume("TPC_PRSTR3",tpr3,sm2);
+ //
+ // creating a sandwich for the outer par,t tv2 is the mother
+ //
+ tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1);
+ //
+ // creating a sandwich for the middle part, tv6 is the mother
+ //
+ tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1);
+ //
+ // creating a sandwich for the central part, tv10 is the mother
+ //
+ tv10->AddNode(tv11,1); tv11->AddNode(tv12,1);
+ //
+ TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); // ifc itself - 3 segments
+ //
+ // first segment - no rotation
+ //
+ // central
+ tv100->AddNode(tv10,1); //sandwich
+ tv100->AddNode(tvep3,1);//epoxy
+ tv100->AddNode(tvpr3,1);//prepreg strip
+ // middle
+ tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); //sandwich1
+ tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); // sandwich2
+ tv100->AddNode(tvep2,1,new TGeoTranslation(0.,0.,-98.75)); //epoxy
+ tv100->AddNode(tvep2,2,new TGeoTranslation(0.,0.,98.75)); //epoxy
+ tv100->AddNode(tvpr2,1,new TGeoTranslation(0.,0.,-98.75));//prepreg strip
+ tv100->AddNode(tvpr2,2,new TGeoTranslation(0.,0.,98.75));
+ // outer
+ tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); //sandwich
+ tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925));
+ tv100->AddNode(tvep1,1,new TGeoTranslation(0.,0.,-177.925)); //epoxy
+ tv100->AddNode(tvep1,2,new TGeoTranslation(0.,0.,177.925));
+ tv100->AddNode(tvpr1,1,new TGeoTranslation(0.,0.,-177.925));//prepreg strip
+ tv100->AddNode(tvpr1,2,new TGeoTranslation(0.,0.,-177.925));
+ //
+ // second segment - rotation 120 deg.
+ //
+ segrot = new TGeoRotation();
+ segrot->RotateZ(120.);
+ //
+ // central
+ tv100->AddNode(tv10,2,segrot); //sandwich
+ tv100->AddNode(tvep3,2,segrot);//epoxy
+ tv100->AddNode(tvpr3,2,segrot);//prepreg strip
+ // middle
+ tv100->AddNode(tv6,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1
+ tv100->AddNode(tv6,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2
+ tv100->AddNode(tvep2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy
+ tv100->AddNode(tvep2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy
+ tv100->AddNode(tvpr2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip
+ tv100->AddNode(tvpr2,4,new TGeoCombiTrans(0.,0.,98.75,segrot));
+ //outer
+ tv100->AddNode(tv2,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich
+ tv100->AddNode(tv2,4,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ tv100->AddNode(tvep1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy
+ tv100->AddNode(tvep1,4,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ tv100->AddNode(tvpr1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip
+ tv100->AddNode(tvpr1,4,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ //
+ // third segment - rotation 240 deg.
+ //
+ segrot = new TGeoRotation();
+ segrot->RotateZ(240.);
+ //
+ // central
+ tv100->AddNode(tv10,3,segrot); //sandwich
+ tv100->AddNode(tvep3,3,segrot);//epoxy
+ tv100->AddNode(tvpr3,3,segrot);//prepreg strip
+ // middle
+ tv100->AddNode(tv6,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1
+ tv100->AddNode(tv6,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2
+ tv100->AddNode(tvep2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy
+ tv100->AddNode(tvep2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy
+ tv100->AddNode(tvpr2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip
+ tv100->AddNode(tvpr2,6,new TGeoCombiTrans(0.,0.,98.75,segrot));
+ //outer
+ tv100->AddNode(tv2,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich
+ tv100->AddNode(tv2,6,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ tv100->AddNode(tvep1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy
+ tv100->AddNode(tvep1,6,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ tv100->AddNode(tvpr1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip
+ tv100->AddNode(tvpr1,6,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ // Al parts - rings
+ tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85));
+ tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85));
+ //
+ v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1));
+ v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1));
+ v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1);
+ v9->AddNode(tv100,1);
+ //
+ // central drum
+ //
+ // flange + sandwich
+ //
+ TGeoPcon *cfl = new TGeoPcon(0.,360.,6);
+ cfl->DefineSection(0,-71.1,59.7,61.2);
+ cfl->DefineSection(1,-68.6,59.7,61.2);
+ //
+ cfl->DefineSection(2,-68.6,60.6124,61.2);
+ cfl->DefineSection(3,68.6,60.6124,61.2);
+ //
+ cfl->DefineSection(4,68.6,59.7,61.2);
+ cfl->DefineSection(5,71.1,59.7,61.2);
+ //
+ TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3);
+ // sandwich
+ TGeoTubeSeg *cd1 = new TGeoTubeSeg(60.6224,61.19,71.1,0.1,119.9);
+ TGeoTubeSeg *cd2 = new TGeoTubeSeg(60.6262,61.1862,71.1,0.1,119.9);
+ TGeoTubeSeg *cd3 = new TGeoTubeSeg(60.6462,61.1662,71.1,0.1,119.9);
+ TGeoTubeSeg *cd4 = new TGeoTubeSeg(60.6562,61.1562,71.1,0.1,119.9);
+ TGeoTubeSeg *tepox4 = new TGeoTubeSeg(60.6224,61.19,71.1,359.9,0.1);
+ // TGeoTube *cd1 = new TGeoTube(60.6224,61.19,71.1);
+ // TGeoTube *cd2 = new TGeoTube(60.6262,61.1862,71.1);
+ // TGeoTube *cd3 = new TGeoTube(60.6462,61.1662,71.1);
+ // TGeoTube *cd4 = new TGeoTube(60.6562,61.1562,71.1);
+ //
+ TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1");
+ TGeoMedium *sm8 = gGeoManager->GetMedium("TPC_Epoxyfm");
+ TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar
+ TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1
+ TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm8); //epoxy film
+ TGeoVolume *cd4v = new TGeoVolume("TPC_CDR4",cd4,sm4); //nomex
+ TGeoVolume *tvep4 = new TGeoVolume("TPC_IFEPOX4",tepox4,sm1);
+
+ //
+ // seals for central drum 2 copies
+ //
+ TGeoTube *cs = new TGeoTube(56.9,61.2,0.1);
+ TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar");
+ TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7);
+ v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2));
+ v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2));
+ //
+ // seal collars
+ TGeoPcon *se = new TGeoPcon(0.,360.,6);
+ se->DefineSection(0,-72.8,59.7,61.2);
+ se->DefineSection(1,-72.3,59.7,61.2);
+ //
+ se->DefineSection(2,-72.3,58.85,61.2);
+ se->DefineSection(3,-71.6,58.85,61.2);
+ //
+ se->DefineSection(4,-71.6,59.7,61.2);
+ se->DefineSection(5,-71.3,59.7,61.2);
+ //
+ TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3);
+ //
+ TGeoTube *si = new TGeoTube(56.9,58.8,1.);
+ TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3);
+ //
+ // define reflection matrix
+ //
+ TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.);
+ //
+ cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cd3v->AddNode(cd4v,1); //sandwich
+ // first segment
+ cflv->AddNode(cd1v,1); cflv->AddNode(tvep4,1);
+ // second segment
+ segrot = new TGeoRotation();
+ segrot->RotateZ(120.);
+ cflv->AddNode(cd1v,2,segrot); cflv->AddNode(tvep4,2,segrot);
+ // third segment
+ segrot = new TGeoRotation();
+ segrot->RotateZ(240.);
+ cflv->AddNode(cd1v,3,segrot); cflv->AddNode(tvep4,3,segrot);
+ //
+ v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9));
+ v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9));
+ v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1);
+ //
+ // central membrane - 2 rings and a mylar membrane - assembly
+ //
+ TGeoTube *ih = new TGeoTube(81.05,84.05,0.3);
+ TGeoTube *oh = new TGeoTube(250.,256.,0.5);
+ TGeoTube *mem = new TGeoTube(84.05,250.,0.00115);
+
+ //
+ TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
+ //
+ TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3);
+ TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3);
+
+ TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7);
+ //
+ TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM");
+ cm->AddNode(ihv,1);
+ cm->AddNode(ohv,1);
+ cm->AddNode(memv,1);
+
+ v9->AddNode(cm,1);
+ //
+ // end caps - they are make as an assembly of single segments
+ // containing both readout chambers
+ //
+ Double_t openingAngle = 10.*TMath::DegToRad();
+ Double_t thick=1.5; // rib
+ Double_t shift = thick/TMath::Sin(openingAngle);
+ //
+ Double_t lowEdge = 86.3; // hole in the wheel
+ Double_t upEdge = 240.4; // hole in the wheel
+ //
+ new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.);
+ //
+ TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4);
+ //
+ hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift);
+ hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift);
+ //
+ hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift);
+ hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift);
+ //
+ Double_t ys = shift*TMath::Sin(openingAngle);
+ Double_t xs = shift*TMath::Cos(openingAngle);
+ TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
+ tr->RegisterYourself();
+ TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
+ TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3);
+ TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2);
+ bar->DefineSection(0,-3.,131.5-shift,136.5-shift);
+ bar->DefineSection(1,1.5,131.5-shift,136.5-shift);
+ TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3);
+ TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment
+ //
+ ch->AddNode(sv,1); ch->AddNode(barv,1,tr);
+ //
+ // readout chambers
+ //
+ // IROC first
+ //
+ TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15);
+ TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3);
+ // empty space
+ TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65);
+ TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1);
+ ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.));
+ //bars
+ Double_t tga = (19.8328-12.3742)/39.3;
+ Double_t xmin,xmax;
+ xmin = 9.55*tga+12.3742;
+ xmax = 9.95*tga+12.3742;
+ TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2);
+ TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3);
+ empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9));
+ xmin=19.4*tga+12.3742;
+ xmax=19.9*tga+12.3742;
+ TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25);
+ TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3);
+ empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.));
+ xmin=29.35*tga+12.3742;
+ xmax=29.75*tga+12.3742;
+ TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2);
+ TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3);
+ empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9));
+ //
+ // holes for connectors
+ //
+ TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc
+ TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1);
+ TString fileName(gSystem->Getenv("ALICE_ROOT"));
+ fileName += "/TPC/conn_iroc.dat";
+ ifstream in;
+ in.open(fileName.Data(), ios_base::in); // asci file
+ TGeoRotation *rrr[86];
+ for(Int_t i =0;i<86;i++){
+ Double_t y = 3.99;
+ Double_t x,z,ang;
+ in>>x>>z>>ang;
+ z-=26.5;
+ rrr[i]= new TGeoRotation();
+ rrr[i]->RotateY(ang);
+ ibdv->AddNode(connv,i+1,new TGeoCombiTrans(x,y,z,rrr[i]));
+ }
+ in.close();
+ // "cap"
+ new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825);
+ // "hole"
+ new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15);
+ TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725);
+ tr1->RegisterYourself();
+ TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1");
+ TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3);
+ //
+ // pad plane and wire fixations
+ //
+ TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso
+ TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4);
+ TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.);
+ TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4);
+ TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.);
+ TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4);
+ //
+ TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC");
+ //
+ iroc->AddNode(ibdv,1);
+ iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725));
+ iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725));
+ tga =(23.3521-14.5974)/49.65;
+ Double_t xx = 24.825*tga+14.5974-0.6;
+ iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725));
+ iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725));
+ //
+ // OROC
+ //
+ TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65);
+ TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3);
+ TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65);
+ TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1);
+ obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.));
+ //horizontal bars
+ tga=(38.5084-20.2938)/99.3;
+ xmin=tga*10.2+20.2938;
+ xmax=tga*10.6+20.2938;
+ TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2);
+ TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3);
+ //
+ xmin=22.55*tga+20.2938;
+ xmax=24.15*tga+20.2938;
+ TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8);
+ TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3);
+ //
+ xmin=36.1*tga+20.2938;
+ xmax=36.5*tga+20.2938;
+ TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2);
+ TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3);
+ //
+ xmin=49.0*tga+20.2938;
+ xmax=50.6*tga+20.2938;
+ TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8);
+ TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3);
+ //
+ xmin=63.6*tga+20.2938;
+ xmax=64.0*tga+20.2938;
+ TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2);
+ TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3);
+ //
+ xmin=75.5*tga+20.2938;
+ xmax=77.15*tga+20.2938;
+ TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8);
+ TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3);
+ //
+ xmin=88.7*tga+20.2938;
+ xmax=89.1*tga+20.2938;
+ TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2);
+ TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3);
+ //
+ oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25));
+ oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3));
+ oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35));
+ oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15));
+ oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15));
+ oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7));
+ oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25));
+ // vertical bars
+ TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1);
+ TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975);
+ TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775);
+ TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25);
+ TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5);
+ //
+ TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3);
+ TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3);
+ TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3);
+ TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3);
+ TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3);
+ //
+ oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55));
+ oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55));
+ oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075));
+ oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525));
+ oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125));
+ oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275));
+ oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9));
+ oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45));
+ //
+ // holes for connectors
+ //
+ fileName = gSystem->Getenv("ALICE_ROOT");
+ fileName += "/TPC/conn_oroc.dat";
+ in.open(fileName.Data(), ios_base::in); // asci file
+ TGeoRotation *rr[78];
+ for(Int_t i =0;i<78;i++){
+ Double_t y =3.89;
+ Double_t x,z,ang;
+ Double_t x1,z1,x2,z2;
+ in>>x>>z>>ang;
+ Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad());
+ Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad());
+ //
+ x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z;
+ //
+ rr[i]= new TGeoRotation();
+ rr[i]->RotateY(ang);
+ z1-=54.95;
+ z2-=54.95;
+ //
+ obdv->AddNode(connv,i+1,new TGeoCombiTrans(x1,y,z1,rr[i]));
+ obdv->AddNode(connv,i+79,new TGeoCombiTrans(x2,y,z2,rr[i]));
+ }
+ in.close();
+ // cap
+ new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1);
+ new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65);
+ TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15);
+ tr5->RegisterYourself();
+ TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5");
+ TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3);
+ //
+ // pad plane and wire fixations
+ //
+ TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1);
+ TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4);
+ //
+ tga=(43.5239-23.3874)/114.2;
+ TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.);
+ TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.);
+ xx = 57.1*tga+23.3874-0.7;
+ TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4);
+ TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4);
+ //
+ TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC");
+ //
+ oroc->AddNode(obdv,1);
+ oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15));
+ oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15));
+ oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15));
+ oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15));
+ //
+ // now iroc and oroc are placed into a sector...
+ //
+ TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side
+ TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side
+ TGeoRotation rot1("rot1",90.,90.,0.);
+ TGeoRotation rot2("rot2");
+ rot2.RotateY(10.);
+ TGeoRotation *rot = new TGeoRotation("rot");
+ *rot=rot1*rot2;
+ //
+ Double_t x0,y0;
+ x0=110.2*TMath::Cos(openingAngle);
+ y0=110.2*TMath::Sin(openingAngle);
+ TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side
+ TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
+ x0=188.45*TMath::Cos(openingAngle);
+ y0=188.45*TMath::Sin(openingAngle);
+ TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
+ TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
+ //
+ //
+ // A-side
+ //
+ secta->AddNode(ch,1);
+ secta->AddNode(iroc,1,combi1a);
+ secta->AddNode(oroc,1,combi2a);
+ //
+ // C-side
+ //
+ sectc->AddNode(ch,1);
+ sectc->AddNode(iroc,1,combi1c);
+ sectc->AddNode(oroc,1,combi2c);
+ //
+ // now I try to make wheels...
+ //
+ TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP");
+ TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP");
+ //
+ TGeoRotation *rwh[18];
+ for(Int_t i =0;i<18;i++){
+ Double_t phi = (20.*i);
+ rwh[i]=new TGeoRotation();
+ rwh[i]->RotateZ(phi);
+ wheela->AddNode(secta,i+1,rwh[i]);
+ wheelc->AddNode(sectc,i+1,rwh[i]);
+
+ }
+ // wheels in the drift volume!
+
+ TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
+ v9->AddNode(wheela,1,combi3);
+ v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6));
+ //_____________________________________________________________
+ // service support wheel
+ //_____________________________________________________________
+ TGeoPgon *sw = new TGeoPgon(0.,20.,1,2);
+ sw->DefineSection(0,-4.,80.5,251.75);
+ sw->DefineSection(1,4.,80.5,251.75);
+ TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
+ //
+ thick=1.;
+ shift = thick/TMath::Sin(openingAngle);
+ TGeoPgon *sh = new TGeoPgon(0.,20.,1,2);
+ sh->DefineSection(0,-4.,81.5-shift,250.75-shift);
+ sh->DefineSection(1,4.,81.5-shift,250.75-shift);
+ TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
+ //
+ TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si");
+ TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
+ el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
+ el->DefineSection(1,1.872,81.5-shift,250.75-shift);
+ TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si
+ //
+ shv->AddNode(elv,1);
+ //
+ //
+ ys = shift*TMath::Sin(openingAngle);
+ xs = shift*TMath::Cos(openingAngle);
+ swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));
+ // cover
+ TGeoPgon *co = new TGeoPgon(0.,20.,1,2);
+ co->DefineSection(0,-0.5,77.,255.25);
+ co->DefineSection(1,0.5,77.,255.25);
+ TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al
+ // hole in a cover
+ TGeoPgon *coh = new TGeoPgon(0.,20.,1,2);
+ shift=4./TMath::Sin(openingAngle);
+ coh->DefineSection(0,-0.5,85.-shift,247.25-shift);
+ coh->DefineSection(1,0.5,85.-shift,247.25-shift);
+ //
+ TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1);
+ //
+ ys = shift*TMath::Sin(openingAngle);
+ xs = shift*TMath::Cos(openingAngle);
+ cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
+ //
+ // Sector as an Assembly
+ //
+ TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC");
+ swhs->AddNode(swv,1);
+ swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5));
+ swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5));
+ //
+ // SSW as an Assembly of sectors
+ //
+ TGeoRotation *rsw[18];
+ TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL");
+ for(Int_t i =0;i<18;i++){
+ Double_t phi = (20.*i);
+ rsw[i] = new TGeoRotation();
+ rsw[i]->RotateZ(phi);
+ swheel->AddNode(swhs,i+1,rsw[i]);
+ }
+ v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6));
+ v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6));
+
+ // sensitive strips - strip "0" is always set
+ // conditional
+ Int_t totrows;
+ totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp();
+ Double_t *upar;
+ upar=NULL;
+ gGeoManager->Volume("TPC_Strip","PGON",m5->GetId(),upar);
+ upar=new Double_t [10];
+ upar[0]=0.;
+ upar[1]=360.;
+ upar[2]=18.;
+ upar[3]=2.;
+ //
+ upar[4]=-124.8;
+ upar[7]=124.8;
+
+ Double_t rlow=fTPCParam->GetPadRowRadiiLow(0);
+
+ upar[5]=rlow;
+ upar[6]=rlow+.01;
+ upar[8]=upar[5];
+ upar[9]=upar[6];
+ //
+ gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
+ gGeoManager->Node("TPC_Strip",totrows+1,
+ "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
+ //
+ // now, strips optionally
+ //
+ if(fSens){
+ //lower sectors
+ for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){
+ rlow=fTPCParam->GetPadRowRadiiLow(i-1);
+ upar[5]=rlow;
+ upar[6]=rlow+.01;
+ upar[8]=upar[5];
+ upar[9]=upar[6];
+ gGeoManager->Node("TPC_Strip",i,
+ "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
+ gGeoManager->Node("TPC_Strip",totrows+i,
+ "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
+ }
+ //upper sectors
+ for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){
+ rlow=fTPCParam->GetPadRowRadiiUp(i-1);
+ upar[5]=rlow;
+ upar[6]=rlow+.01;
+ upar[8]=upar[5];
+ upar[9]=upar[6];
+ gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(),
+ "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
+ gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(),
+ "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
+ }
+ }//strips
+ //----------------------------------------------------------
+ // TPC Support Rods - MAKROLON
+ //----------------------------------------------------------
+ TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon");
+ TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu");
+ TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina");
+ TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");
+ TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water");
+ TGeoMedium *m13 = gGeoManager->GetMedium("TPC_Brass");
+ //
+ // tpc rod is an assembly of 10 long parts and 2 short parts
+ // connected with alu rings and plagged on both sides.
+ //
+ //
+// tpc rod long
+//
+ TGeoPcon *rod = new TGeoPcon("rod",0.,360.,6);
+ rod->DefineSection(0,-10.43,1.92,2.08);
+ rod->DefineSection(1,-9.75,1.92,2.08);
+
+ rod->DefineSection(2,-9.75,1.8,2.2);
+ rod->DefineSection(3,9.75,1.8,2.2);
+
+ rod->DefineSection(4,9.75,1.92,2.08);
+ rod->DefineSection(5,10.43,1.92,2.08);
+ //
+ TGeoVolume *mrodl = new TGeoVolume("TPC_mrodl",rod,m6);
+ //
+ // tpc rod short
+ //
+ TGeoPcon *rod1 = new TGeoPcon("rod1",0.,360.,6);
+ rod1->DefineSection(0,-8.93,1.92,2.08);
+ rod1->DefineSection(1,-8.25,1.92,2.08);
+
+ rod1->DefineSection(2,-8.25,1.8,2.2);
+ rod1->DefineSection(3,8.25,1.8,2.2);
+
+ rod1->DefineSection(4,8.25,1.92,2.08);
+ rod1->DefineSection(5,8.93,1.92,2.08);
+ //
+ TGeoVolume *mrods = new TGeoVolume("TPC_mrods",rod1,m6);
+ //
+ // below is for the resistor rod
+ //
+ // hole for the brass connectors
+ //
+
+ new TGeoTube("hhole",0.,0.3,0.3);
+ //
+ //transformations for holes - initialy they
+ // are placed at x=0 and negative y
+ //
+ TGeoRotation *rhole = new TGeoRotation();
+ rhole->RotateX(90.);
+ TGeoCombiTrans *transf[13];
+ Char_t name[30];
+ for(Int_t i=0;i<13;i++){
+ //sprintf(name,"transf%d",i);
+ snprintf(name,30,"transf%d",i);
+ transf[i]= new TGeoCombiTrans(name,0.,-2.,-9.+i*1.5,rhole);
+ transf[i]->RegisterYourself();
+ }
+ // union expression for holes
+ TString operl("hhole:transf0");
+ for (Int_t i=1;i<13;i++){
+ //sprintf(name,"+hhole:transf%d",i);
+ snprintf(name,30,"+hhole:transf%d",i);
+ operl.Append(name);
+ }
+ //
+ TString opers("hhole:transf1");
+ for (Int_t i=2;i<12;i++){
+ //sprintf(name,"+hhole:transf%d",i);
+ snprintf(name,30,"+hhole:transf%d",i);
+ opers.Append(name);
+ }
+ //union of holes
+ new TGeoCompositeShape("hlv",operl.Data());
+ new TGeoCompositeShape("hsv",opers.Data());
+ //
+ TGeoCompositeShape *rodl = new TGeoCompositeShape("rodl","rod-hlv");
+ TGeoCompositeShape *rods = new TGeoCompositeShape("rods","rod1-hsv");
+ //rods - volumes - makrolon rods with holes
+ TGeoVolume *rodlv = new TGeoVolume("TPC_rodl",rodl,m6);
+ TGeoVolume *rodsv = new TGeoVolume("TPC_rods",rods,m6);
+ //brass connectors
+ //connectors
+ TGeoTube *bcon = new TGeoTube(0.,0.3,0.3);//connectors
+ TGeoVolume *bconv = new TGeoVolume("TPC_bcon",bcon,m13);
+ //
+ // hooks holding strips
+ //
+ new TGeoBBox("hk1",0.625,0.015,0.75);
+ new TGeoBBox("hk2",0.625,0.015,0.15);
+ TGeoTranslation *tr21 = new TGeoTranslation("tr21",0.,-0.03,-0.6);
+ TGeoTranslation *tr12 = new TGeoTranslation("tr12",0.,-0.03,0.6);
+ tr21->RegisterYourself();
+ tr12->RegisterYourself();
+ TGeoCompositeShape *hook = new TGeoCompositeShape("hook","hk1+hk2:tr21+hk2:tr12");
+ TGeoVolume *hookv = new TGeoVolume("TPC_hook",hook,m13);
+ //
+ // assembly of the short rod with connectors and hooks
+ //
+ //
+ // short rod
+ //
+ TGeoVolumeAssembly *spart = new TGeoVolumeAssembly("TPC_spart");
+ //
+ spart->AddNode( rodsv,1);
+ for(Int_t i=1;i<12;i++){
+ spart->AddNode(bconv,i,transf[i]);
+ }
+ for(Int_t i =0;i<11;i++){
+ spart->AddNode(hookv,i+1,new TGeoTranslation(0.,-2.315,-7.5+i*1.5));
+ }
+ //
+ // long rod
+ //
+ TGeoVolumeAssembly *lpart = new TGeoVolumeAssembly("TPC_lpart");
+ //
+ lpart->AddNode( rodlv,1);
+ for(Int_t i=0;i<13;i++){
+ lpart->AddNode(bconv,i+12,transf[i]);
+ }
+ for(Int_t i =0;i<13;i++){
+ lpart->AddNode(hookv,i+12,new TGeoTranslation(0.,-2.315,-9.+i*1.5));
+ }
+ //
+ // alu ring
+ //
+ new TGeoTube("ring1",2.1075,2.235,0.53);
+ new TGeoTube("ring2",1.7925,1.89,0.43);
+ new TGeoTube("ring3",1.89,2.1075,0.05);
+ TGeoCompositeShape *ring = new TGeoCompositeShape("ring","ring1+ring2+ring3");
+ TGeoVolume *ringv = new TGeoVolume("TPC_ring",ring,m3);
+ //
+ // rod assembly
+ //
+ TGeoVolumeAssembly *tpcrrod = new TGeoVolumeAssembly("TPC_rrod");//rrod
+ TGeoVolumeAssembly *tpcmrod = new TGeoVolumeAssembly("TPC_mrod");//makrolon rod
+ //long pieces
+ for(Int_t i=0;i<11;i++){
+ tpcrrod->AddNode(ringv,i+1,new TGeoTranslation(0.,0.,-105.+i*21));
+ tpcmrod->AddNode(ringv,i+12,new TGeoTranslation(0.,0.,-105.+i*21));
+ }
+ for(Int_t i=0;i<10;i++){
+ tpcrrod->AddNode(lpart,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));
+ tpcmrod->AddNode(mrodl,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));
+ }
+ //
+ // short pieces
+ //
+ tpcrrod->AddNode(spart,1,new TGeoTranslation(0.,0.,-114.));
+ tpcrrod->AddNode(spart,2,new TGeoTranslation(0.,0.,114.));
+ tpcrrod->AddNode(ringv,23,new TGeoTranslation(0.,0.,-123.));
+ tpcrrod->AddNode(ringv,24,new TGeoTranslation(0.,0.,123.));
+ //
+ tpcmrod->AddNode(mrods,1,new TGeoTranslation(0.,0.,-114.));
+ tpcmrod->AddNode(mrods,2,new TGeoTranslation(0.,0.,114.));
+ tpcmrod->AddNode(ringv,25,new TGeoTranslation(0.,0.,-123.));
+ tpcmrod->AddNode(ringv,26,new TGeoTranslation(0.,0.,123.));
+ //
+ // left plaque
+ //
+ TGeoPcon *lp = new TGeoPcon(0.,360.,4);
+ //
+ lp->DefineSection(0,-125.8,1.92,2.235);
+ lp->DefineSection(1,-124.8,1.92,2.235);
+ //
+ lp->DefineSection(2,-124.8,1.92,2.08);
+ lp->DefineSection(3,-123.1,1.92,2.08);
+ //
+ TGeoVolume *lpv1 = new TGeoVolume("TPC_lpv1",lp,m6);
+ TGeoVolume *lpv2 = new TGeoVolume("TPC_lpv2",lp,m6);
+ // left ring
+ TGeoTube *lr = new TGeoTube(2.1075,2.235,0.5);
+ TGeoVolume *lrv = new TGeoVolume("TPC_lrv",lr,m3);
+ //
+ lpv2->AddNode(lrv,1,new TGeoTranslation(0.,0.,-125.3));
+ //
+ tpcrrod->AddNode(lpv2,1);
+ tpcmrod->AddNode(lpv1,1);
+ //
+ // right plaque
+ //
+ TGeoTube *rp = new TGeoTube(1.92,2.08,2.025);
+ TGeoVolume *rpv = new TGeoVolume("TPC_rpv",rp,m6);
+ tpcrrod->AddNode(rpv,1, new TGeoTranslation(0.,0.,125.125));
+ tpcmrod->AddNode(rpv,2,new TGeoTranslation(0.,0.,125.125));
+ //
+ //
+ //HV rods - makrolon + 0.58cm (diameter) Cu
+ TGeoTube *hvr = new TGeoTube(0.,1.465,126.5);
+ TGeoTube *hvc = new TGeoTube(0.,0.29,126.5);
+ //
+ TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
+ TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
+ hvrv->AddNode(hvcv,1);
+ //
+ //resistor rod
+ //
+ TGeoTube *cr = new TGeoTube(0.,0.45,126.2);
+ TGeoTube *cw = new TGeoTube(0.,0.15,126.2);
+ TGeoVolume *crv = new TGeoVolume("TPC_CR",cr,m10);
+ TGeoVolume *cwv = new TGeoVolume("TPC_W",cw,m12);
+ //
+ // ceramic rod with water
+ //
+ crv->AddNode(cwv,1);
+ //
+ //peek rod
+ //
+ TGeoTube *pr =new TGeoTube(0.2,0.35,126.2);
+ TGeoVolume *prv = new TGeoVolume("TPC_PR",pr,m11);
+ //
+ // copper plates with connectors
+ //
+ new TGeoTube("tub",0.,1.7,0.025);
+ //
+ // half space - points on the plane and a normal vector
+ //
+ Double_t n[3],p[3];
+ Double_t slope = TMath::Tan(22.*TMath::DegToRad());
+ Double_t intp = 1.245;
+ //
+ Double_t b = slope*slope+1.;
+ p[0]=intp*slope/b;
+ p[1]=-intp/b;
+ p[2]=0.;
+ //
+ n[0]=-p[0];
+ n[1]=-p[1];
+ n[2]=0.;
+ Double_t norm;
+ norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]);
+ n[0] /= norm;
+ n[1] /=norm;
+ //
+ new TGeoHalfSpace("sp1",p,n);
+ //
+ slope = -slope;
+ //
+ p[0]=intp*slope/b;
+ p[1]=-intp/b;
+ //
+ n[0]=-p[0];
+ n[1]=-p[1];
+ norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]);
+ n[0] /= norm;
+ n[1] /=norm;
+ //
+ new TGeoHalfSpace("sp2",p,n);
+ // holes for rods
+ //holes
+ new TGeoTube("h1",0.,0.5,0.025);
+ new TGeoTube("h2",0.,0.35,0.025);
+ //translations:
+ TGeoTranslation *ttr11 = new TGeoTranslation("ttr11",-0.866,0.5,0.);
+ TGeoTranslation *ttr22 = new TGeoTranslation("ttr22",0.866,0.5,0.);
+ ttr11->RegisterYourself();
+ ttr22->RegisterYourself();
+ // elastic connector
+ new TGeoBBox("elcon",0.72,0.005,0.3);
+ TGeoRotation *crr1 = new TGeoRotation();
+ crr1->RotateZ(-22.);
+TGeoCombiTrans *ctr1 = new TGeoCombiTrans("ctr1",-0.36011, -1.09951,-0.325,crr1);
+ctr1->RegisterYourself();
+ TGeoCompositeShape *cs1 = new TGeoCompositeShape("cs1",
+"(((((tub-h1:ttr11)-h1:ttr22)-sp1)-sp2)-h2)+elcon:ctr1");
+ //
+ TGeoVolume *csvv = new TGeoVolume("TPC_RR_CU",cs1,m7);
+ //
+ // resistor rod assembly 2 ceramic rods, peak rod, Cu plates
+ // and resistors
+ //
+ TGeoVolumeAssembly *rrod = new TGeoVolumeAssembly("TPC_RRIN");
+ // rods
+ rrod->AddNode(crv,1,ttr11);
+ rrod->AddNode(crv,2,ttr22);
+ rrod->AddNode(prv,1);
+ //Cu plates
+ for(Int_t i=0;i<165;i++){
+ rrod->AddNode(csvv,i+1,new TGeoTranslation(0.,0.,-122.675+i*1.5));
+ }
+ //resistors
+ TGeoTube *res = new TGeoTube(0.,0.15,0.5);
+ TGeoVolume *resv = new TGeoVolume("TPC_RES",res,m10);
+ TGeoVolumeAssembly *ress = new TGeoVolumeAssembly("TPC_RES_CH");
+ ress->AddNode(resv,1,new TGeoTranslation(0.2,0.,0.));
+ ress->AddNode(resv,2,new TGeoTranslation(-0.2,0.,0.));
+ //
+ TGeoRotation *crr2 = new TGeoRotation();
+ crr2->RotateY(30.);
+ TGeoRotation *crr3 = new TGeoRotation();
+ crr3->RotateY(-30.);
+ //
+ for(Int_t i=0;i<164;i+=2){
+ rrod->AddNode(ress,i+1, new TGeoCombiTrans(0.,1.2,-121.925+i*1.5,crr2));
+ rrod->AddNode(ress,i+2, new TGeoCombiTrans(0.,1.2,-121.925+(i+1)*1.5,crr3));
+ }
+
+ tpcrrod->AddNode(rrod,1,new TGeoCombiTrans(0.,0.,0.5,crr1));
+ //
+ // guard ring resistor chain
+ //
+
+ TGeoTube *gres1 = new TGeoTube(0.,0.375,125.);// inside ifc
+ //
+ TGeoVolume *vgres1 = new TGeoVolume("TPC_GRES1",gres1,m10);
+
+ //
+ Double_t xrc,yrc;
+ //
+ xrc=79.3*TMath::Cos(350.*TMath::DegToRad());
+ yrc=79.3*TMath::Sin(350.*TMath::DegToRad());
+ //
+ v9->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,126.9));
+ v9->AddNode(vgres1,2,new TGeoTranslation(xrc,yrc,-126.9));
+ //
+ xrc=79.3*TMath::Cos(190.*TMath::DegToRad());
+ yrc=79.3*TMath::Sin(190.*TMath::DegToRad());
+ //
+ v9->AddNode(vgres1,3,new TGeoTranslation(xrc,yrc,126.9));
+ v9->AddNode(vgres1,4,new TGeoTranslation(xrc,yrc,-126.9));
+ //------------------------------------------------------------------
+ TGeoRotation refl("refl",90.,0.,90.,90.,180.,0.);
+ TGeoRotation rotrod("rotrod");
+ //
+ TGeoRotation *rotpos[2];
+ //
+ TGeoRotation *rotrod1[2];
+ TGeoTubeSeg *irh = new TGeoTubeSeg(78.825,79.25,1.5,358.5,1.5);
+ TGeoTubeSeg *orh = new TGeoTubeSeg(256.5,257.95,1.5,359.5,0.5);
+ TGeoTubeSeg *ohh = new TGeoTubeSeg(256.5,257.95,1.5,9.5,10.5);
+ TGeoVolume *irhv = new TGeoVolume("TPC_IRHH",irh,m4);
+ TGeoVolume *orhv = new TGeoVolume("TPC_ORHH",orh,m4);
+ TGeoVolume *ohhv = new TGeoVolume("TPC_OHVHH",ohh,m4);
+
+ //v9 - drift gas
+
+ for(Int_t i=0;i<18;i++){
+ Double_t angle,x,y;
+ Double_t z,r;
+ angle=TMath::DegToRad()*20.*(Double_t)i;
+ TGeoRotation *roth = new TGeoRotation(); //rotation for rod holders
+ roth->RotateZ(angle);
+ //inner rods
+ r=81.5;
+ x=r * TMath::Cos(angle);
+ y=r * TMath::Sin(angle);
+ z = 126.1;
+ //
+ v9->AddNode(irhv,i+1,roth);
+ v9->AddNode(orhv,i+1,roth);
+ v9->AddNode(ohhv,i+1,roth);
+ //
+ if(i==11){//resistor rod inner
+ rotrod.RotateZ(-90.+angle);
+ rotrod1[0]= new TGeoRotation();
+ rotpos[0]= new TGeoRotation();
+ //
+ rotrod1[0]->RotateZ(-90.+angle);
+ *rotpos[0] = refl*rotrod; //rotation+reflection
+ v9->AddNode(tpcrrod,1,new TGeoCombiTrans(x,y, z, rotrod1[0])); //A
+ v9->AddNode(tpcrrod,2,new TGeoCombiTrans(x,y,-z, rotpos[0])); //C
+ }
+ else {
+ v9->AddNode(tpcmrod,i+1,new TGeoTranslation(x,y,z));//shaft
+ v9->AddNode(tpcmrod,i+19,new TGeoCombiTrans(x,y,-z,ref));//muon
+ }
+ // outer rods
+ r=254.25;
+ x=r * TMath::Cos(angle);
+ y=r * TMath::Sin(angle);
+ z=126.3;
+ //
+ if(i==3){//resistor rod outer
+ rotrod.RotateZ(90.+angle);
+ rotrod1[1]= new TGeoRotation();
+ rotpos[1]= new TGeoRotation();
+ rotrod1[1]->RotateZ(90.+angle);
+ *rotpos[1] = refl*rotrod;//rotation+reflection
+ v9->AddNode(tpcrrod,3,new TGeoCombiTrans(x,y, z, rotrod1[1])); //A
+ v9->AddNode(tpcrrod,4,new TGeoCombiTrans(x,y, -z, rotpos[1])); //C
+ }
+ else {
+ v9->AddNode(tpcmrod,i+37,new TGeoTranslation(x,y,z));//shaft
+ v9->AddNode(tpcmrod,i+55,new TGeoCombiTrans(x,y,-z,ref));//muon
+ }
+ if(i==15){
+ v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z+0.7)); //hv->A-side only
+ }
+ } //end of rods positioning
+ TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
+ alice->AddNode(v1,1);
+
} // end of function
//_____________________________________________________________________________
-void AliTPCv2::DrawDetector()
+void AliTPCv2::AddAlignableVolumes() const
{
//
- // Draw a shaded view of the Time Projection Chamber version 1
+ // Create entries for alignable volumes associating the symbolic volume
+ // name with the corresponding volume path. Needs to be syncronized with
+ // eventual changes in the geometry.
+ //
+ SetInnerChambersAlignable();
+ SetOuterChambersAlignable();
+}
+
+//_____________________________________________________________________________
+void AliTPCv2::SetInnerChambersAlignable() const
+{
//
+ AliGeomManager::ELayerID idTPC1 = AliGeomManager::kTPC1;
+ Int_t modUID, modnum = 0;
+ TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_";
+ TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_";
+ TString vpappend = "/TPC_IROC_1";
+ TString snstr1="TPC/EndcapA/Sector";
+ TString snstr2="TPC/EndcapC/Sector";
+ TString snappend="/InnerChamber";
+ TString volpath, symname;
+
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++);
+ volpath = vpstr1;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr1;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ }
- // Set everything unseen
- gMC->Gsatt("*", "seen", -1);
- //
- // Set ALIC mother transparent
- gMC->Gsatt("ALIC","SEEN",0);
- //
- // Set the volumes visible
- //
-
- gMC->Gsatt("TPC ","SEEN",0);
- gMC->Gsatt("TOIN","SEEN",1);
- gMC->Gsatt("TOIN","COLO",7);
- gMC->Gsatt("TOCV","SEEN",1);
- gMC->Gsatt("TOCV","COLO",4);
- gMC->Gsatt("TSA1","SEEN",0);
- gMC->Gsatt("TSA2","SEEN",0);
- gMC->Gsatt("TSA3","SEEN",0);
- gMC->Gsatt("TSA4","SEEN",0);
- gMC->Gsatt("TSA5","SEEN",0);
- gMC->Gsatt("TOFC","SEEN",1);
- gMC->Gsatt("TOFC","COLO",4);
- gMC->Gsatt("TSA6","SEEN",0);
- gMC->Gsatt("TSA7","SEEN",0);
- gMC->Gsatt("TSA8","SEEN",0);
- gMC->Gsatt("TIIN","SEEN",1);
- gMC->Gsatt("TIIN","COLO",7);
- gMC->Gsatt("TII1","SEEN",0);
- gMC->Gsatt("TIFC","SEEN",1);
- gMC->Gsatt("TIFC","COLO",4);
- gMC->Gsatt("TSA9","SEEN",0);
- gMC->Gsatt("TS10","SEEN",0);
- gMC->Gsatt("TS11","SEEN",0);
- gMC->Gsatt("TS12","SEEN",0);
- gMC->Gsatt("TS13","SEEN",0);
- gMC->Gsatt("TS14","SEEN",0);
- gMC->Gsatt("TICC","SEEN",0);
- gMC->Gsatt("TICM","SEEN",0);
- gMC->Gsatt("TS15","SEEN",0);
- gMC->Gsatt("TS16","SEEN",0);
- gMC->Gsatt("TS17","SEEN",0);
- gMC->Gsatt("TS18","SEEN",0);
- gMC->Gsatt("TS19","SEEN",0);
- gMC->Gsatt("TPJ1","SEEN",0);
- gMC->Gsatt("TPJ2","SEEN",0);
- gMC->Gsatt("TICS","SEEN",0);
- gMC->Gsatt("TDGN","SEEN",0);
- gMC->Gsatt("TIRC","SEEN",0);
- gMC->Gsatt("TIC1","SEEN",1);
- gMC->Gsatt("TIPP","SEEN",0);
- gMC->Gsatt("TIC3","SEEN",0);
- gMC->Gsatt("TRCE","SEEN",0);
- gMC->Gsatt("TPSC","SEEN",0);
- gMC->Gsatt("TPCC","SEEN",0);
- gMC->Gsatt("TORC","SEEN",0);
- gMC->Gsatt("TOPP","SEEN",0);
- gMC->Gsatt("TOC3","SEEN",0);
- gMC->Gsatt("TOC1","SEEN",1);
- gMC->Gsatt("TSSW","SEEN",1);
- gMC->Gsatt("TSWC","SEEN",1);
- gMC->Gsatt("TSSW","COLO",3);
- gMC->Gsatt("TSWC","COLO",3);
- gMC->Gsatt("TSCE","COLO",6);
- gMC->Gsatt("TSCE","SEEN",1);
- gMC->Gsatt("TWES","SEEN",0);
- gMC->Gsatt("TSWB","SEEN",0);
- gMC->Gsatt("TPEL","SEEN",0);
- gMC->Gsatt("TPMW","SEEN",1);
- gMC->Gsatt("TESR","SEEN",1);
- gMC->Gsatt("TPMW","COLO",12);
- gMC->Gsatt("TIC1","COLO",5);
- gMC->Gsatt("TOC1","COLO",5);
- gMC->Gsatt("TESB","SEEN",0);
- gMC->Gsatt("THVM","SEEN",1);
- gMC->Gsatt("THVM","COLO",11);
- gMC->Gsatt("THVH","SEEN",0);
- gMC->Gsatt("TPSR","SEEN",0);
- gMC->Gsatt("THVL","SEEN",0);
- gMC->Gsatt("THVC","SEEN",0);
- gMC->Gsatt("THVE","SEEN",0);
- gMC->Gsatt("THVR","SEEN",0);
- gMC->Gsatt("TPSS","SEEN",0);
- gMC->Gsatt("TPUS","SEEN",0);
- gMC->Gsatt("TPLS","SEEN",0);
-
- //
- gMC->Gdopt("hide", "on");
- gMC->Gdopt("shad", "on");
- gMC->Gsatt("*", "fill", 7);
- gMC->SetClipBox(".");
- gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
- gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
- gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
- gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
- gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
- gMC->DefaultRange();
- gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
- gMC->Gdhead(1111, "Time Projection Chamber");
- gMC->Gdman(18, 4, "MAN");
- gMC->Gdopt("hide","off");
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++);
+ volpath = vpstr2;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr2;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,18+cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ }
+}
+
+//_____________________________________________________________________________
+void AliTPCv2::SetOuterChambersAlignable() const
+{
+ //
+ AliGeomManager::ELayerID idTPC2 = AliGeomManager::kTPC2;
+ Int_t modUID, modnum = 0;
+ TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_";
+ TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_";
+ TString vpappend = "/TPC_OROC_1";
+ TString snstr1="TPC/EndcapA/Sector";
+ TString snstr2="TPC/EndcapC/Sector";
+ TString snappend="/OuterChamber";
+ TString volpath, symname;
+
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++);
+ volpath = vpstr1;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr1;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ }
+
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++);
+ volpath = vpstr2;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr2;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+18+cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ }
}
+
//_____________________________________________________________________________
void AliTPCv2::CreateMaterials()
{
AliTPC::Init();
+
+ fIdSens=gMC->VolId("TPC_Strip"); // one strip is always selected...
-
- fIdSens=gMC->VolId("TPSS");
+ fIDrift=gMC->VolId("TPC_Drift");
+ fSecOld=-100; // fake number
- fIdLSec=gMC->VolId("TPLS"); // lower sector
- fIdUSec=gMC->VolId("TPUS"); // upper sector
+ gMC->SetMaxNStep(-30000); // max. number of steps increased
- gMC->SetMaxNStep(30000); // max. number of steps increased
+ if (fPrimaryIonisation) {
+ // for FLUKA
+ gMC->Gstpar(idtmed[2],"PRIMIO_E", 20.77); // 1st ionisation potential
+
+ gMC->Gstpar(idtmed[2],"PRIMIO_N", 14.35);
+ gMC->Gstpar(idtmed[2],"LOSS", 14); // specific energy loss
+ gMC->Gstpar(idtmed[2],"STRA",4);
+ }
+ // specific energy loss for geant3 is now defined in galice.cuts
- gMC->Gstpar(idtmed[2],"LOSS",5); // specific energy loss
- printf("%s: *** TPC version 2 initialized ***\n",ClassName());
- printf("%s: Maximum number of steps = %d\n",ClassName(),gMC->GetMaxNStep());
+ AliDebug(1,"*** TPC version 2 initialized ***");
+ AliDebug(1,Form("Maximum number of steps = %d",gMC->GetMaxNStep()));
//
const Float_t kprim = 14.35; // number of primary collisions per 1 cm
const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2
const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation
-
+ const Int_t kMaxDistRef =15; // maximal difference between 2 stored references
const Float_t kbig = 1.e10;
Int_t id,copy;
- Float_t hits[4];
+ Float_t hits[5];
Int_t vol[2];
TLorentzVector p;
vol[1]=0; // preset row number to 0
-
//
-
- gMC->SetMaxStep(kbig);
+ if (!fPrimaryIonisation) gMC->SetMaxStep(kbig);
if(!gMC->IsTrackAlive()) return; // particle has disappeared
// check the sensitive volume
- id = gMC->CurrentVolID(copy); // current volume Id
+ id = gMC->CurrentVolID(copy); // vol ID and copy number (starts from 1!)
+ if(id != fIDrift && id != fIdSens) return; // not in the sensitive folume
- if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting()) &&
- ((id == fIdLSec) || (id == fIdUSec)) ) {
+ if ( fPrimaryIonisation && id == fIDrift ) {
+ Double_t rnd = gMC->GetRandom()->Rndm();
+ gMC->SetMaxStep(0.2+(2.*rnd-1.)*0.05); // 2 mm +- rndm*0.5mm step
+ }
- AddTrackReference(gAlice->CurrentTrack(), gMC);
- }
-
- if(id == fIdLSec){
- vol[0] = copy-1; // lower sector number
- }
- else if(id == fIdUSec){
- vol[0] = copy+fTPCParam->GetNInnerSector()-1; // upper sector number
+ //if ( fPrimaryIonisation && id == fIDrift && gMC->IsTrackEntering()) {
+ // gMC->SetMaxStep(0.2); // 2 mm
+ //}
+
+ gMC->TrackPosition(p);
+ Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
+ //
+
+ //
+ Double_t angle = TMath::ACos(p[0]/r);
+ angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle;
+ //
+ // angular segment, it is not a real sector number...
+ //
+ Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/
+ fTPCParam->GetInnerAngle());
+ // rotate to segment "0"
+ Float_t cos,sin;
+ fTPCParam->AdjustCosSin(sector,cos,sin);
+ Float_t x1=p[0]*cos + p[1]*sin;
+ // check if within sector's limits
+ if((x1>=fTPCParam->GetInnerRadiusLow()&&x1<=fTPCParam->GetInnerRadiusUp())
+ ||(x1>=fTPCParam->GetOuterRadiusLow()&&x1<=fTPCParam->GetOuterRadiusUp())){
+ // calculate real sector number...
+ if (x1>fTPCParam->GetOuterRadiusLow()){
+ sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/
+ fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector();
+ if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1);
}
- else if(id == fIdSens && gMC->IsTrackEntering()){
-
- // track is entering the sensitive strip
-
- vol[1]= copy-1; // row number (absolute)
-
- // sector type
-
- id = gMC->CurrentVolOffID(1,copy);
-
- if(id == fIdLSec){
-
- // lower sector
-
- vol[0] = copy-1; // sector number
-
- }
- else {
-
- // upper sector
+ else
+ if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1);
+ //
+ // here I have a sector number
+ //
- vol[0] = copy-1+fTPCParam->GetNInnerSector(); // sector number
- vol[1] -= fTPCParam->GetNRowLow(); // row number (starts also from 0)
+ vol[0]=sector;
- }
+ static Double_t lastReferenceR=0;
+ if (TMath::Abs(lastReferenceR-r)>kMaxDistRef){
+ AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC);
+ lastReferenceR = r;
+ }
- if(vol[1] == 0){
+ // check if change of sector
+ if(sector != fSecOld){
+ fSecOld=sector;
+ // add track reference
+ AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC);
+ }
+ // track is in the sensitive strip
+ if(id == fIdSens){
+ // track is entering the strip
+ if (gMC->IsTrackEntering()){
+ Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp();
+ vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows;
+ // row numbers are autonomous for lower and upper sectors
+ if(vol[0] > fTPCParam->GetNInnerSector()) {
+ vol[1] -= fTPCParam->GetNRowLow();
+ }
+ //
+ if(vol[0]<fTPCParam->GetNInnerSector()&&vol[1] == 0){
- // because Jouri wants to have this
+ // lower sector, row 0, because Jouri wants to have this
- gMC->TrackMomentum(p);
- hits[0]=p[0];
- hits[1]=p[1];
- hits[2]=p[2];
- hits[3]=0.; // this hit has no energy loss
- // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
-
- AddHit(gAlice->CurrentTrack(), vol,hits); //MI change
-
- }
+ gMC->TrackMomentum(p);
+ hits[0]=p[0];
+ hits[1]=p[1];
+ hits[2]=p[2];
+ hits[3]=0.; // this hit has no energy loss
+ // Get also the track time for pileup simulation
+ hits[4]=gMC->TrackTime();
- gMC->TrackPosition(p);
- hits[0]=p[0];
- hits[1]=p[1];
- hits[2]=p[2];
- hits[3]=0.; // this hit has no energy loss
- // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
+ }
+ //
- AddHit(gAlice->CurrentTrack(), vol,hits); //MI change
+ gMC->TrackPosition(p);
+ hits[0]=p[0];
+ hits[1]=p[1];
+ hits[2]=p[2];
+ hits[3]=0.; // this hit has no energy loss
+ // Get also the track time for pileup simulation
+ hits[4]=gMC->TrackTime();
- }
- else return;
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
+ }
+ else return;
+ }
//-----------------------------------------------------------------
- // charged particle is in the sensitive volume
+ // charged particle is in the sensitive drift volume
//-----------------------------------------------------------------
-
if(gMC->TrackStep() > 0) {
-
- Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1;
+ Int_t nel=0;
+ if (!fPrimaryIonisation) {
+ nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1;
+ }
+ else {
+ static Double_t deForNextStep = 0.;
+ // Geant4 (the meaning of Edep as in Geant3) - wrong
+ //nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1;
+
+ // Geant4 (the meaning of Edep as in Geant3) - NEW
+ Double_t eAvailable = gMC->Edep() + deForNextStep;
+ nel = (Int_t)(eAvailable/kwIon);
+ deForNextStep = eAvailable - nel*kwIon;
+ }
nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV
-
+ //
gMC->TrackPosition(p);
hits[0]=p[0];
hits[1]=p[1];
hits[2]=p[2];
hits[3]=(Float_t)nel;
-
+
// Add this hit
-
- // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
- if (fHitType&&2){
+
+ // if (fHitType&&2){
+ if(fHitType){
gMC->TrackMomentum(p);
Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
Float_t precision = (momentum>0.1) ? 0.002 :0.01;
fTrackHits->SetHitPrecision(precision);
}
- AddHit(gAlice->CurrentTrack(), vol,hits); //MI change
+
+ // Get also the track time for pileup simulation
+ hits[4]=gMC->TrackTime();
+
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
+ if (fDebugStreamer){
+ // You can dump here what you need
+ // function CreateDebugStremer() to be called in the Config.C macro
+ // if you want to enable it
+ // By default debug streaemer is OFF
+ Float_t edep = gMC->Edep();
+ Float_t tstep = gMC->TrackStep();
+ Int_t pid=gMC->TrackPid();
+ (*fDebugStreamer)<<"hit"<<
+ "x="<<hits[0]<< // hit position
+ "y="<<hits[1]<<
+ "z="<<hits[2]<<
+ "nel="<<hits[3]<< // number of electorns
+ "tof="<<hits[4]<< // hit TOF
+ "edep="<<edep<< // energy deposit
+ "pid="<<pid<< // pid
+ "step="<<tstep<<
+ "p.="<<&p<<
+ "\n";
+ }
- }
-
+ } // step>0
+ } //within sector's limits
// Stemax calculation for the next step
Float_t pp;
TLorentzVector mom;
- gMC->TrackMomentum(mom);
- Float_t ptot=mom.Rho();
- Float_t betaGamma = ptot/gMC->TrackMass();
-
- Int_t pid=gMC->TrackPid();
- if((pid==kElectron || pid==kPositron) && ptot > 0.002)
- {
- pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau!
- }
- else
- {
+ // below is valid only for Geant3 (fPromaryIonisation not set)
+ if(!fPrimaryIonisation){
+ gMC->TrackMomentum(mom);
+ Float_t ptot=mom.Rho();
+ Float_t betaGamma = ptot/gMC->TrackMass();
+
+ Int_t pid=gMC->TrackPid();
+ if((pid==kElectron || pid==kPositron) && ptot > 0.002)
+ {
+ pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau!
+ }
+ else
+ {
- betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg
- pp=kprim*BetheBloch(betaGamma);
+ betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg
+ pp=kprim*AliMathBase::BetheBlochAleph(betaGamma);
- if(TMath::Abs(charge) > 1.) pp *= (charge*charge);
}
- Double_t rnd = gMC->GetRandom()->Rndm();
+ Double_t rnd = gMC->GetRandom()->Rndm();
- gMC->SetMaxStep(-TMath::Log(rnd)/pp);
-
-}
-
-//_____________________________________________________________________________
-Float_t AliTPCv2::BetheBloch(Float_t bg)
-{
- //
- // Bethe-Bloch energy loss formula
- //
- const Double_t kp1=0.76176e-1;
- const Double_t kp2=10.632;
- const Double_t kp3=0.13279e-4;
- const Double_t kp4=1.8631;
- const Double_t kp5=1.9479;
-
- Double_t dbg = (Double_t) bg;
-
- Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg);
-
- Double_t aa = TMath::Power(beta,kp4);
- Double_t bb = TMath::Power(1./dbg,kp5);
-
- bb=TMath::Log(kp3+bb);
+ gMC->SetMaxStep(-TMath::Log(rnd)/pp);
+ }
- return ((Float_t)((kp2-aa-bb)*kp1/aa));
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff