+ 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]=269.6;
+
+ //
+
+ dm[18]=253.6;
+ dm[19]=258.;
+ dm[20]=269.6;
+
+ 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
+ // TOFC overlaps with
+
+ 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;