X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TPC%2FAliTPCv2.cxx;h=a32830ebf8eb5f1cddfa17df20ea838bb0750a7f;hb=3f0af4babf345328d6a8e3516fe3e6d18715d659;hp=18cde23dd116c7354ca8cb5f614234f98148a16f;hpb=b9d0a01d7a0723a09071b0b56200d72f59a9c2b6;p=u%2Fmrichter%2FAliRoot.git diff --git a/TPC/AliTPCv2.cxx b/TPC/AliTPCv2.cxx index 18cde23dd11..a32830ebf8e 100644 --- a/TPC/AliTPCv2.cxx +++ b/TPC/AliTPCv2.cxx @@ -13,124 +13,7 @@ * provided "as is" without express or implied warranty. * **************************************************************************/ -/* -$Log$ -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 - -*/ +/* $Id$ */ // /////////////////////////////////////////////////////////////////////////////// @@ -144,1650 +27,990 @@ Introduction of the Copyright and cvs Log //End_Html // // // // -/////////////////////////////////////////////////////////////////////////////// -#include - -#include - -#include "AliTPCv2.h" -#include "AliTPCDigitsArray.h" -#include "AliRun.h" -#include "AliMC.h" -#include "AliConst.h" -#include "AliPDG.h" -#include "AliTPCParam.h" -#include "AliTPCParamSR.h" -#include "AliTPCTrackHitsV2.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 - /* - - */ - //End_Html - //Begin_Html - /* - - */ - //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;nstrGetPadRowRadiiLow(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;nstrGetPadRowRadiiUp(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 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); +//#include - gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY"); - gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY"); +#include +#include +#include +#include "AliLog.h" +#include "AliTrackReference.h" +#include "AliTPCParam.h" +#include "AliTPCTrackHitsV2.h" +#include "AliTPCv2.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" - // rod without cable +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 + // - dm[0]=1.8; - dm[1]=2.25; - dm[2]=126.6; - gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3); + SetBufferSize(128000); - 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"); + if (fTPCParam) + fTPCParam->Write(fTPCParam->GetTitle()); +} - // services wheel cover -> wheel - +//_____________________________________________________________________________ +void AliTPCv2::CreateGeometry() +{ + // + // Create the geometry of Time Projection Chamber version 2 + // + //Begin_Html + /* + + */ + //End_Html + //Begin_Html + /* + + */ + //End_Html - gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY"); - gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY"); + //---------------------------------------------------------- + // 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 + // + // + // here I define a volume TPC + // retrive the medium name with "TPC_" as a leading string + // + TGeoPcon *tpc = new TGeoPcon(0.,360.,18); //18 sections + tpc->DefineSection(0,-290.,77.,278.); + tpc->DefineSection(1,-259.6,70.,278.); + // + tpc->DefineSection(2,-259.6,68.1,278.); + tpc->DefineSection(3,-253.6,68.1,278.); + // + tpc->DefineSection(4,-253.6,68.,278.); + tpc->DefineSection(5,-74.0,60.8,278.); + // + tpc->DefineSection(6,-74.0,60.1,278.); + tpc->DefineSection(7,-73.3,60.1,278.); + // + tpc->DefineSection(8,-73.3,56.9,278.); + tpc->DefineSection(9,73.3,56.9,278.); + // + tpc->DefineSection(10,73.3,60.1,278.); + tpc->DefineSection(11,74.0,60.1,278.); + // + tpc->DefineSection(12,74.0,60.8,278.); + tpc->DefineSection(13,253.6,65.5,278.); + // + tpc->DefineSection(14,253.6,65.6,278.); + tpc->DefineSection(15,259.6,65.6,278.); + // + tpc->DefineSection(16,259.6,70.0,278.); + tpc->DefineSection(17,290.,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-N-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); + // + // 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); + // + TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy + TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar + TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2 + TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex + // + 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); + //------------------------------------------------------- + // Tpc Outer Field Cage + // daughters - composite (sandwich) + //------------------------------------------------------- - // put the wheel into the TPC + 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 + TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar + TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3 + TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex + // + 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); + // + // outer part - positioning + // + tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1); + // + tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1); + // + v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,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 + TGeoTube *t2 = new TGeoTube(76.6774,78.845,74.175); // tedlar 38 microns + TGeoTube *t3 = new TGeoTube(76.6812,78.8412,74.175); // prepreg2 500 microns + TGeoTube *t4 = new TGeoTube(76.7312,78.7912,74.175); // prepreg3 300 microns + TGeoTube *t5 = new TGeoTube(76.7612,78.7612,74.175); // nomex 2 cm + // + 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); + // + // middle parts - 2 copies + TGeoTube *t6 = new TGeoTube(76.6774,78.795,5.); // tedlar 38 microns + TGeoTube *t7 = new TGeoTube(76.6812,78.7912,5.); // prepreg2 250 microns + TGeoTube *t8 = new TGeoTube(76.7062,78.7662,5.); // prepreg3 300 microns + TGeoTube *t9 = new TGeoTube(76.7362,78.7362,5.); // nomex 2 cm + // + 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); + // central part - 1 copy + TGeoTube *t10 = new TGeoTube(76.6774,78.745,93.75); // tedlar 38 microns + TGeoTube *t11 = new TGeoTube(76.6812,78.7412,93.75); // prepreg3 300 microns + TGeoTube *t12 = new TGeoTube(76.7112,78.7112,93.75); // nomex 2 cm + // + TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2); + TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5); + TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4); + // + // inner part - positioning + // + // creating a sandwich + tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1); + // + tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1); + // + tv10->AddNode(tv11,1); tv11->AddNode(tv12,1); + // + TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); + // + tv100->AddNode(tv10,1); + tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); + tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); + tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); + tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925)); + 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,-68.6,60.6324,61.2); + cfl->DefineSection(3,68.6,60.6324,61.2); + // + 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 + TGeoTube *cd1 = new TGeoTube(60.6424,61.19,71.1); + TGeoTube *cd2 = new TGeoTube(60.6462,61.1862,71.1); + TGeoTube *cd3 = new TGeoTube(60.6662,61.1662,71.1); + // + TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1"); + 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,sm4); //nomex + // + // 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.)); + v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.)); + // + // 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); cflv->AddNode(cd1v,1); + // + 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.,.5); + TGeoTube *mem = new TGeoTube(84.05,250,0.01); + 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 + 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; + TGeoRotation *rrr = new TGeoRotation(); + rrr->RotateY(ang); + TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr); + ibdv->AddNode(connv,i+1,trans); + } + 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 + TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10"); + 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 + 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; + // + TGeoRotation *rr = new TGeoRotation(); + rr->RotateY(ang); + z1-=54.95; + z2-=54.95; + TGeoCombiTrans *trans1 = new TGeoCombiTrans("trans1",x1,y,z1,rr); + TGeoCombiTrans *trans2 = new TGeoCombiTrans("trans2",x2,y,z2,rr); + obdv->AddNode(connv,i+1,trans1); + obdv->AddNode(connv,i+79,trans2); + } + 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"); + // + for(Int_t i =0;i<18;i++){ + Double_t phi = (20.*i); + TGeoRotation *r = new TGeoRotation(); + r->RotateZ(phi); + wheela->AddNode(secta,i+1,r); + wheelc->AddNode(sectc,i+1,r); + + } + // 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 + // + TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL"); + for(Int_t i =0;i<18;i++){ + Double_t phi = (20.*i); + TGeoRotation *r = new TGeoRotation(); + r->RotateZ(phi); + swheel->AddNode(swhs,i+1,r); + } + 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;iGetNRowLow()+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;iGetNRowUp()+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"); + // upper and lower rods differ in length! + delete [] upar; + upar=NULL; + gGeoManager->Volume("TPC_Rod","TUBE",m6->GetId(),upar); + upar=new Double_t [3]; + upar[0]=1.8; + upar[1]=2.2; + + // + //HV rods - makrolon + 0.58cm (diameter) Cu + TGeoTube *hvr = new TGeoTube(0.,2.2,126.64); + TGeoTube *hvc = new TGeoTube(0.,0.29,126.64); + // + TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6); + TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7); + hvrv->AddNode(hvcv,1); + + for(Int_t i=0;i<18;i++){ + Double_t angle,x,y; + Double_t z,r; + angle=TMath::DegToRad()*20.*(Double_t)i; + r=81.5; + x=r * TMath::Cos(angle); + y=r * TMath::Sin(angle); + upar[2]=126.64; //lower + z= 126.96; + if(i==15){ + v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z)); + v9->AddNode(hvrv,2,new TGeoTranslation(x,y,-z)); + } + else{ + gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft + gGeoManager->Node("TPC_Rod",i+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon + } + r=254.25; + x=r * TMath::Cos(angle); + y=r * TMath::Sin(angle); + upar[2]=126.54; //upper + z=127.06; + gGeoManager->Node("TPC_Rod",i+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3); + gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3); + } - gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY"); - gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY"); + delete [] upar; + TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); + alice->AddNode(v1,1); + +} // end of function + +//_____________________________________________________________________________ +void AliTPCv2::AddAlignableVolumes() const +{ // + // 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 +{ + // + Int_t 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++){ + volpath = vpstr1; + volpath += cnt; + volpath += vpappend; + symname = snstr1; + symname += cnt; + symname += snappend; + if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data())) + AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); + // + TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data()); + const char *path = alignableEntry->GetTitle(); + if (!gGeoManager->cd(path)) + AliFatal(Form("Volume path %s not valid!",path)); + TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix(); + TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,cnt-1); + alignableEntry->SetMatrix(matTtoL); + modnum++; + } - 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); - - // put the TPC into ALIC (main mother volume) + for(Int_t cnt=1; cnt<=18; cnt++){ + volpath = vpstr2; + volpath += cnt; + volpath += vpappend; + symname = snstr2; + symname += cnt; + symname += snappend; + if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data())) + AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); + TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data()); + const char *path = alignableEntry->GetTitle(); + if (!gGeoManager->cd(path)) + AliFatal(Form("Volume path %s not valid!",path)); + TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix(); + TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,18+cnt-1); + alignableEntry->SetMatrix(matTtoL); + modnum++; + } +} - gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY"); +//_____________________________________________________________________________ +void AliTPCv2::SetOuterChambersAlignable() const +{ + // + Int_t 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++){ + volpath = vpstr1; + volpath += cnt; + volpath += vpappend; + symname = snstr1; + symname += cnt; + symname += snappend; + if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data())) + AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); + TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data()); + const char *path = alignableEntry->GetTitle(); + if (!gGeoManager->cd(path)) + AliFatal(Form("Volume path %s not valid!",path)); + TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix(); + TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+cnt-1); + alignableEntry->SetMatrix(matTtoL); + modnum++; + } - + for(Int_t cnt=1; cnt<=18; cnt++){ + volpath = vpstr2; + volpath += cnt; + volpath += vpappend; + symname = snstr2; + symname += cnt; + symname += snappend; + if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data())) + AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); + TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data()); + const char *path = alignableEntry->GetTitle(); + if (!gGeoManager->cd(path)) + AliFatal(Form("Volume path %s not valid!",path)); + TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix(); + TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+18+cnt-1); + alignableEntry->SetMatrix(matTtoL); + modnum++; + } +} -} // end of function - //_____________________________________________________________________________ -void AliTPCv2::DrawDetector() +void AliTPCv2::DrawDetector() const { // // Draw a shaded view of the Time Projection Chamber version 1 @@ -1915,19 +1138,26 @@ void AliTPCv2::Init() AliTPC::Init(); + + fIdSens=gMC->VolId("TPC_Strip"); // one strip is always selected... - - fIdSens=gMC->VolId("TPSS"); - - fIdLSec=gMC->VolId("TPLS"); // lower sector - fIdUSec=gMC->VolId("TPUS"); // upper sector + fIDrift=gMC->VolId("TPC_Drift"); + fSecOld=-100; // fake number gMC->SetMaxNStep(30000); // max. number of steps increased - gMC->Gstpar(idtmed[2],"LOSS",5); // specific energy loss + if (fPrimaryIonisation) { + 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 + } else { + 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()); + AliInfo("*** TPC version 2 initialized ***"); + AliInfo(Form("Maximum number of steps = %d",gMC->GetMaxNStep())); // @@ -1951,15 +1181,13 @@ void AliTPCv2::StepManager() 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 @@ -1969,139 +1197,151 @@ void AliTPCv2::StepManager() // check the sensitive volume - id = gMC->CurrentVolID(copy); // current volume Id - - if (gMC->IsTrackEntering() && ( (id == fIdLSec) || (id == fIdUSec))){ - // printf("track %d entering volume %d\n",gAlice->CurrentTrack(),id); - TLorentzVector p; - TLorentzVector x; - gMC->TrackMomentum(p); - gMC->TrackPosition(x); - AddTrackReference(gAlice->CurrentTrack(),p,x,gMC->TrackLength()); - } - - if (gMC->IsTrackExiting() && ( (id == fIdLSec) || (id == fIdUSec))){ - // printf("track %d exiting volume %d\n",gAlice->CurrentTrack(),id); - TLorentzVector p; - TLorentzVector x; - gMC->TrackMomentum(p); - gMC->TrackPosition(x); - AddTrackReference(gAlice->CurrentTrack(),p,x,gMC->TrackLength()); - } - + id = gMC->CurrentVolID(copy); // vol ID and copy number (starts from 1!) + if(id != fIDrift && id != fIdSens) return; // not in the sensitive folume - if(id == fIdLSec){ - vol[0] = copy-1; // lower sector number - } - else if(id == fIdUSec){ - vol[0] = copy+fTPCParam->GetNInnerSector()-1; // upper sector number + 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 - - vol[0] = copy-1+fTPCParam->GetNInnerSector(); // sector number - vol[1] -= fTPCParam->GetNRowLow(); // row number (starts also from 0) - - } + else + if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1); + // + // here I have a sector number + // - if(vol[1] == 0){ + vol[0]=sector; + // 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]GetNInnerSector()&&vol[1] == 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 + // 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 + // 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 { + Float_t edep = gMC->Edep(); + if (edep > 0.) nel = (Int_t)((gMC->Edep()*1.5)/kwIon) + 1; + } 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){ 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); + + } // 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*BetheBloch(betaGamma); - if(TMath::Abs(charge) > 1.) pp *= (charge*charge); + 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); + gMC->SetMaxStep(-TMath::Log(rnd)/pp); + } }