/*
$Log$
+Revision 1.21 2000/11/14 10:48:57 kowal2
+Correct material used for TSA4. Thanks to J. Barbosa.
+
+Revision 1.20 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 1.19 2000/11/02 16:55:24 kowal2
+Corrected bug in the inner containment vessel geometry.
+Thanks to J. Belikov
+
+Revision 1.18 2000/11/02 07:24:11 kowal2
+Correction in the TPC geometry.
+Changes due to the new hit structure.
+
+Revision 1.17 2000/07/10 20:57:39 hristov
+Update of TPC code and macros by M.Kowalski
+
+Revision 1.16 2000/06/30 12:07:50 kowal2
+Updated from the TPC-PreRelease branch
+
+Revision 1.15.2.4 2000/06/26 07:39:42 kowal2
+Changes to obey the coding rules
+
+Revision 1.15.2.3 2000/06/25 08:38:41 kowal2
+Splitted from AliTPCtracking
+
+Revision 1.15.2.2 2000/06/16 12:58:13 kowal2
+Changed parameter settings
+
+Revision 1.15.2.1 2000/06/09 07:15:07 kowal2
+
+Defaults loaded automatically (hard-wired)
+Optional parameters can be set via macro called in the constructor
+
+Revision 1.15 2000/05/15 10:00:30 kowal2
+Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova
+
Revision 1.14 2000/04/17 09:37:33 kowal2
removed obsolete AliTPCDigitsDisplay.C
Introduction of the Copyright and cvs Log
*/
+//
///////////////////////////////////////////////////////////////////////////////
// //
#include "AliMC.h"
#include "AliConst.h"
-#include "AliTPCParam.h"
+#include "AliTPCParamSR.h"
#include "AliTPCDigitsArray.h"
ClassImp(AliTPCv0)
//
// Standard creator for TPC version 0
//
+
+ SetGasMixt(2,20,10,-1,0.9,0.1,0.);
+
+ if (fTPCParam)
+ fTPCParam->Write(fTPCParam->GetTitle());
}
//_____________________________________________________________________________
void AliTPCv0::CreateGeometry()
{
//
- // Creation of the TPC coarse geometry (version 0)
- // Origin Marek Kowalski Cracow
+ // Creation of the TPC version 0, i.e. no sensitive volumes,
+ // only the material distribution
//
//Begin_Html
/*
- <img src="picts/AliTPCv0.gif">
+ <img src="picts/AliTPC.gif">
*/
//End_Html
//Begin_Html
*/
//End_Html
+ //---------------------------------------------------------------
+ // TPC geometry
+ //
+ // Origin: Marek Kowalski, INP Cracow
+ // Marek.Kowalski@ifj.edu.pl
+ //---------------------------------------------------------------
- Int_t *idtmed = fIdtmed->GetArray();
+ Float_t dm[50];
- Float_t dm[21];
- Int_t idrotm[120];
+ Int_t *idtmed = fIdtmed->GetArray(); // TPC media
- Int_t nRotMat = 0;
+ Int_t idrotm[120]; // rotation matrices
+ Int_t nRotMat = 0; // actual number of rotation matrices
- // ----------------------------------------------------
- // FIELD CAGE WITH ENDCAPS - G10
- // THIS IS ALSO A TPC MOTHER VOLUME
- // ----------------------------------------------------
- dm[0] = 76.;
- dm[1] = 278.;
- dm[2] = 275.;
+ //
+ // Mother volume (Air) - all volumes will be positioned in it
+ //
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=12.;
- gMC->Gsvolu("TPC ", "TUBE", idtmed[8], dm, 3);
+ //
+
+ dm[3]= -283.7;
+ dm[4]= 66.2;
+ dm[5]= 277.95;
- //-----------------------------------------------------
- // Endcap cover c-fibre 0.86% X0
- //-----------------------------------------------------
+ //
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 0.95;
+ dm[6]= -255.6;
+ dm[7]= 66.2;
+ dm[8]= 277.95;
- gMC->Gsvolu("TPEC","TUBE",idtmed[10],dm,3);
+ //
- //-----------------------------------------------------
- // Drift gas , leave 2 cm at the outer radius
- // and inner raddius
- //-----------------------------------------------------
+ dm[9]= -73.3;
+ dm[10]= 59.0;
+ dm[11]= 277.95;
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 250.;
+ //
- gMC->Gsvolu("TGAS", "TUBE", idtmed[3], dm, 3);
+ dm[12]= -73.3;
+ dm[13]= 56.9;
+ dm[14]= 277.95;
+ //
- //------------------------------------------------------
- // membrane holder - carbon fiber
- //------------------------------------------------------
+ dm[15]= -72.1;
+ dm[16]= 56.9;
+ dm[17]= 277.95;
+ //
- gMC->Gsvolu("TPMH","TUBE",idtmed[6],dm,0);
+ dm[18]= -72.1;
+ dm[19]= 60.65;
+ dm[20]= 277.95;
- dm[0] = 252.;
- dm[1] = 258.;
- dm[2] = 0.2;
+ //
- gMC->Gsposp("TPMH",1,"TGAS",0.,0.,0.,0,"ONLY",dm,3);
-
- dm[0] = 78.;
- dm[1] = 82.;
- dm[2] = 0.1;
+ dm[21]= 72.1;
+ dm[22]= 60.65;
+ dm[23]= 277.95;
- gMC->Gsposp("TPMH",2,"TGAS",0.,0.,0.,0,"ONLY",dm,3);
+ //
- //----------------------------------------------------------
- // HV membrane - 25 microns of mylar
- //----------------------------------------------------------
+ dm[24]= 72.1;
+ dm[25]= 56.9;
+ dm[26]= 277.95;
- dm[0] = 82.;
- dm[1] = 252.;
- dm[2] = 0.00125;
+ //
- gMC->Gsvolu("TPHV","TUBE",idtmed[5],dm,3);
+ dm[27]= 73.3;
+ dm[28]= 56.9;
+ dm[29]= 277.95;
- gMC->Gspos("TPHV",1,"TGAS",0.,0.,0.,0,"ONLY");
+ //
- gMC->Gspos("TGAS",1,"TPC ",0.,0.,0.,0,"ONLY");
+ dm[30]= 73.3;
+ dm[31]= 59.;
+ dm[32]= 277.95;
- //----------------------------------------------------------
- // "side" gas volume, the same as the drift gas
- // the readout chambers are placed there.
- //----------------------------------------------------------
+ //
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 0.5*(275. - 250.);
-
- gMC->Gsvolu("TPSG", "TUBE", idtmed[2], dm, 3);
+ dm[33]= 250.4;
+ dm[34]= 66.0;
+ dm[35]= 277.95;
- Float_t z_side = dm[2]; // 1/2 of the side gas thickness
+ //
- //-----------------------------------------------------------
- // Readout chambers , 25% of X0, I use Al as the material
- //-----------------------------------------------------------
+ dm[36]= 283.7;
+ dm[37]= 66.0;
+ dm[38]= 277.95;
- Float_t InnerOpenAngle = fTPCParam->GetInnerAngle();
- Float_t OuterOpenAngle = fTPCParam->GetOuterAngle();
- Float_t InnerAngleShift = fTPCParam->GetInnerAngleShift();
- Float_t OuterAngleShift = fTPCParam->GetOuterAngleShift();
+ gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,39);
- Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
- Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
+ //-------------------------------------------------------------------
+ // Tpc Outer INsulator (CO2)
+ //-------------------------------------------------------------------
+
+ dm[0]= 0.;
+ dm[1]= 360.;
+ dm[2]= 6.;
+ //
+
+ dm[3]= -253.6;
+ dm[4]= 258.;
+ dm[5]= 266.65;
- Float_t InSecLowEdge = fTPCParam->GetInnerRadiusLow();
- Float_t InSecUpEdge = fTPCParam->GetInnerRadiusUp();
+ //
- Float_t OuSecLowEdge = fTPCParam->GetOuterRadiusLow();
- Float_t OuSecUpEdge = fTPCParam->GetOuterRadiusUp();
+ dm[6]= -253.;
+ dm[7]= 258.;
+ dm[8]= 266.65;
- Float_t SecThick = 2.225; // Al
+ dm[9]= -253.;
+ dm[10]= 258.;
+ dm[11]= 277.97;
+ dm[12]= 253.6;
+ dm[13]= 258.;
+ dm[14]= 277.97;
- // S (Inner) sectors
+ //
- Float_t LowEdge = fTPCParam->GetInnerFrameSpace();
+ dm[15]= 253.6;
+ dm[16]= 265.2;
+ dm[17]= 277.95;
- dm[0] = InSecLowEdge*TMath::Tan(0.5*InnerOpenAngle)-LowEdge;
- dm[1] = InSecUpEdge*TMath::Tan(0.5*InnerOpenAngle)-LowEdge;
- dm[2] = SecThick;
- dm[3] = 0.5*(InSecUpEdge-InSecLowEdge);
+ //
- Float_t xCenterS = InSecLowEdge+dm[3];
+ dm[18]= 255.6;
+ dm[19]= 265.2;
+ dm[20]= 277.95;
- gMC->Gsvolu("TRCS", "TRD1", idtmed[0], dm, 4);
- // L (Outer) sectors
+ gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21);
- Float_t UpEdge = fTPCParam->GetOuterFrameSpace();
+ //---------------------------------------------------------------
+ // shreds (G10) - TPC Rings
+ //---------------------------------------------------------------
- dm[0] = OuSecLowEdge*TMath::Tan(0.5*OuterOpenAngle)-UpEdge;
- dm[1] = OuSecUpEdge*TMath::Tan(0.5*OuterOpenAngle)-UpEdge;
- dm[2] = SecThick;
- dm[3] = 0.5*(OuSecUpEdge-OuSecLowEdge);
+ gMC->Gsvolu("TPCR","TUBE",idtmed[12],dm,0);
- Float_t xCenterL = OuSecLowEdge+dm[3];
+ dm[0]= 258.;
+ dm[1]= 266.65;
+ dm[2]= 0.3;
- gMC->Gsvolu("TRCL", "TRD1", idtmed[0], dm, 4);
+ gMC->Gsposp("TPCR",1,"TOIN",0.,0.,-253.3,0,"ONLY",dm,3); // left bottom
- Float_t z1 = -z_side + SecThick*0.5;
+ //
- //------------------------------------------------------------------
- // Positioning of the S-sector readout chambers
- //------------------------------------------------------------------
+ dm[0]= 258.;
+ dm[1]= 270.9;
+ dm[2]= 0.3;
- Int_t ns;
- Float_t theta1,theta2,theta3;
- Float_t phi1,phi2,phi3;
- Float_t alpha;
- Float_t x,y;
+ gMC->Gsposp("TPCR",2,"TOIN",0.,0.,253.3,0,"ONLY",dm,3); // right
- for(ns=0;ns<nInnerSector;ns++){
-
- phi1 = ns * InnerOpenAngle + 270.*kDegrad + InnerAngleShift;
- phi1 *= kRaddeg; // in degrees
+ //
- phi1 = (Float_t)TMath::Nint(phi1);
+ dm[0]= 272.2;
+ dm[1]= 277.95;
+ dm[2]= 0.3;
- if (phi1 > 360.) phi1 -= 360.;
-
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = ns * InnerOpenAngle + InnerAngleShift;
- phi3 *= kRaddeg; // in degrees
+ gMC->Gsposp("TPCR",3,"TOIN",0.,0.,-250.7,0,"ONLY",dm,3); // left top
- phi3 = (Float_t)TMath::Nint(phi3);
-
- if(phi3 > 360.) phi3 -= 360.;
+ //----------------------------------------------------------------
+ // Tpc Outer Contaiment Vessel
+ // mother volume - Al, daughters - composite (sandwich)
+ //----------------------------------------------------------------
+
+ dm[0]= 0.;
+ dm[1]= 360.;
+ dm[2]=6.;
- theta3 = 90.;
+ //
+
+ dm[3]= -250.4;
+ dm[4]= 272.2;
+ dm[5]= 277.95;
+
+ //
+
+ dm[6]= -248.4;
+ dm[7]= 272.2;
+ dm[8]= 277.95;
+
+ //
+ dm[9]= -248.4;
+ dm[10]= 274.81;
+ dm[11]= 277.95;
+
+
+ //
+
+ dm[12]= 253.6;
+ dm[13]= 274.81;
+ dm[14]= 277.95;
+
+ //
+
+ dm[15]= 253.6;
+ dm[16]= 265.2;
+ dm[17]= 277.95;
+
+ //
- alpha = phi3*kDegrad;
+ dm[18]= 255.6;
+ dm[19]= 265.2;
+ dm[20]= 277.95;
- x = xCenterS * TMath::Cos(alpha);
- y = xCenterS * TMath::Sin(alpha);
+ gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21);
+
+ // Daughter volumes
+
+ // Tpc SAndwich 1 - Al
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- gMC->Gspos("TRCS", ns+1, "TPSG", x, y, z1, idrotm[nRotMat], "ONLY");
+ dm[0]= 274.81;
+ dm[1]= 277.95;
+ dm[2]= 251.7;
- nRotMat++;
+ gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3);
- }
-
- //-------------------------------------------------------------------
- // Positioning of the L-sectors readout chambers
- //-------------------------------------------------------------------
-
- for(ns=0;ns<nOuterSector;ns++){
- phi1 = ns * OuterOpenAngle + 270.*kDegrad + OuterAngleShift;
- phi1 *= kRaddeg; // in degrees
+ // Tpc SAndwich 2 - Tedlar
- phi1 = (Float_t)TMath::Nint(phi1);
-
+ dm[0] += 5.e-3;
+ dm[1] -= 5.e-3;
+
+ gMC->Gsvolu("TSA2","TUBE",idtmed[9],dm,3);
- if (phi1 > 360.) phi1 -= 360.;
-
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = ns * OuterOpenAngle+OuterAngleShift;
- phi3 *= kRaddeg; // in degrees
+ // Tpc SAndwich 3 - Kevlar
- phi3 = (Float_t)TMath::Nint(phi3);
+ dm[0] += 5e-3;
+ dm[1] -= 5.e-3;
-
- if(phi3 > 360.) phi3 -= 360.;
+ gMC->Gsvolu("TSA3","TUBE",idtmed[5],dm,3);
- theta3 = 90.;
+ // Tpc SAndwich 4 - NOMEX honeycomb
+
+ dm[0] += 0.06;
+ dm[1] -= 0.06;
+
+ gMC->Gsvolu("TSA4","TUBE",idtmed[6],dm,3);
+
+ // 4->3->2->1->TOCV
+
+ 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.,2.6,0,"ONLY");
+
+ // TCOV-> TOIN
- alpha = phi3*kDegrad;
+ gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY");
- x = xCenterL * TMath::Cos(alpha);
- y = xCenterL * TMath::Sin(alpha);
+ //-------------------------------------------------------
+ // Tpc Outer Field Cage
+ // mother volume - Al, daughters - composite (sandwich)
+ //-------------------------------------------------------
+
+ dm[0]=0.;
+ dm[1]=360.;
+ dm[2]=6.;
+
+ dm[3]= -253.;
+ dm[4]= 258.;
+ dm[5]= 277.95;
+
+ //
+
+ dm[6]= -251.;
+ dm[7]= 258.;
+ dm[8]= 277.95;
+
+ //
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
+ dm[9]= -251.;
+ dm[10]= 258.;
+ dm[11]= 260.05;
- gMC->Gspos("TRCL", ns+1, "TPSG", x, y, z1, idrotm[nRotMat], "ONLY");
+ //
- nRotMat++;
+ dm[12]= 251.;
+ dm[13]= 258.;
+ dm[14]= 260.05;
+
+ //
+
+ dm[15]= 251.;
+ dm[16]= 258.;
+ dm[17]= 270.9;
+
+ //
+
+ dm[18]= 253.;
+ dm[19]= 258.;
+ dm[20]= 270.9;
+
+ gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21);
+
+ // Daughter volumes
+
+ // Tpc SAndwich 5 - Tedlar
+
+ dm[0]= 258.;
+ dm[1]= 260.05;
+ dm[2]= 251.7;
+
+ gMC->Gsvolu("TSA5","TUBE",idtmed[9],dm,3);
+
+ // Tpc SAndwich 6 - Kevlar
+
+ dm[0] += 5.e-3;
+ dm[1] -= 5.e-3;
+
+ gMC->Gsvolu("TSA6","TUBE",idtmed[5],dm,3);
- }
- Float_t z0 = z_side - 0.95;
+ // Tpc SAndwich 7 - NOMEX
- gMC->Gspos("TPEC",1,"TPSG",0.,0.,z0,0,"ONLY");
+ dm[0] += 0.02;
+ dm[1] -= 0.02;
- // ==========================================================
- // wheels
- // ==========================================================
+ gMC->Gsvolu("TSA7","TUBE",idtmed[6],dm,3);
+
+ // 7->6->5->TOFC
+
+ gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TSA6",1,"TSA5",0.,0.,0.,0,"ONLY");
+
+ gMC->Gspos("TSA5",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");
+
+ //--------------------------------------------------------------------
+ // Tpc Inner INsulator (CO2)
+ //--------------------------------------------------------------------
+
+
+ dm[0]=0.;
+ dm[1]= 360.;
+ dm[2]= 15.;
//
- // auxilary structures
+
+ dm[3]= -255.6;
+ dm[4]= 66.2;
+ dm[5]= 74.8;
+
//
+ Float_t tanL = (66.2-59.0)/(255.6-73.3); // tangent of the left cone part
- gMC->Gsvolu("TPWI","TUBE",idtmed[24],dm,0); // "air"
+ dm[6]= -253.6;
+ dm[7]= 59.0+ (253.6-73.3)*tanL;
+ dm[8]= 74.8;
- // ----------------------------------------------------------
- // Large wheel -> positioned in the TPC
- // ----------------------------------------------------------
-
+ //
- z0 = 263.5; // TPC length - 1/2 spoke wheel width
+ dm[9]= -253.6;
+ dm[10]= dm[7];
+ dm[11]= 79.2;
- dm[0] = 258.;
- dm[1] = 278.;
- dm[2] = 11.5;
-
- gMC->Gsvolu("TPWL", "TUBE", idtmed[0], dm, 3);
+ //
- dm[0] = dm[0]+2.;
- dm[1] = 278.;
- dm[2] = dm[2]-2.;
+ dm[12]= -73.3;
+ dm[13]= 59.0;
+ dm[14]= 79.2;
- gMC->Gsposp("TPWI",1,"TPWL",0.,0.,0.,0,"ONLY",dm,3);
+ //
- gMC->Gspos("TPWL", 1, "TPC ", 0, 0, z0, 0, "ONLY");
- gMC->Gspos("TPWL", 2, "TPC ", 0, 0, -z0, 0, "ONLY");
+ dm[15]= -73.3;
+ dm[16]= 56.9;
+ dm[17]= 79.2;
//
- // Outer vessel + CO2 HV degrader
+
+ dm[18]= -72.1;
+ dm[19]= 59.6;
+ dm[20]= 79.2;
+
//
- dm[0] = 260.;
- dm[1] = 278.;
- dm[2] = 252.;
+ dm[21]= -72.1;
+ dm[22]= 60.65;
+ dm[23]= 79.2;
- gMC->Gsvolu("TPCO","TUBE",idtmed[12],dm,3);
+ //
- dm[0] = 275.;
- dm[1] = 278.;
-
- gMC->Gsvolu("TPOV","TUBE",idtmed[10],dm,3);
+ dm[24]= 72.1;
+ dm[25]= 60.65;
+ dm[26]= 79.2;
- gMC->Gspos("TPOV",1,"TPCO",0.,0.,0.,0,"ONLY");
+ //
-
+ dm[27]= 72.1;
+ dm[28]= 59.6;
+ dm[29]= 79.2;
- gMC->Gspos("TPCO",1,"TPC ",0.,0.,0.,0,"ONLY");
+ //
+ dm[30]= 73.3;
+ dm[31]= 56.9;
+ dm[32]= 79.2;
- //----------------------------------------------------------
- // Small wheel -> positioned in "side gas
- //----------------------------------------------------------
+ //
- dm[0] = 78.;
- dm[1] = 82.;
- dm[2] = 11.5;
+ dm[33]= 73.3;
+ dm[34]= 59.0;
+ dm[35]= 79.2;
- gMC->Gsvolu("TPWS", "TUBE", idtmed[0], dm, 3);
+ //
- dm[0] = 78.;
- dm[1] = dm[1]-2;
- dm[2] = dm[2]-2.;
+ dm[36]= 250.4;
+ dm[37]= 66.0;
+ dm[38]= 79.2;
- gMC->Gsvolu("TPW1", "TUBE", idtmed[2], dm, 3);
+ //
- gMC->Gspos("TPW1", 1, "TPWS", 0., 0., 0., 0, "ONLY");
+ dm[39]= 253.0;
+ dm[40]= 66.0;
+ dm[41]= 79.2;
+
+ //
+
+ dm[42]= 253.0;
+ dm[43]= 75.3;
+ dm[44]= 79.2;
- z0 = 1.; // spoke wheel is shifted w.r.t. center of the "side gas"
+ //
- gMC->Gspos("TPWS", 1, "TPSG", 0, 0, z0, 0, "ONLY");
+ dm[45]= 253.6;
+ dm[46]= 75.3;
+ dm[47]= 79.2;
+ gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,48);
- // to avoid overlaps
- dm[0] = 76.;
- dm[1] = 78.;
- dm[2] = 11.5;
+ //--------------------------------------------------------------------
+ // Tpc Inner Containment vessel, Left part
+ // mother volume - Al, daughter - composite (sandwich)
+ //--------------------------------------------------------------------
- gMC->Gsvolu("TPS1","TUBE",idtmed[0],dm,3);
+ dm[0]= 0.;
+ dm[1]= 360.;
+ dm[2]= 8.;
- dm[2] = 9.5;
+ //
- gMC->Gsvolu("TPS2","TUBE",idtmed[24],dm,3);
+ dm[3]= -255.6;
+ dm[4]= 66.2;
+ dm[5]= 74.8;
- gMC->Gspos("TPS2",1,"TPS1",0.,0.,0.,0,"ONLY");
+ //
- z0= 263.5;
-
- gMC->Gspos("TPS1",1,"TPC ",0.,0.,z0,0,"ONLY");
- gMC->Gspos("TPS1",2,"TPC ",0.,0.,-z0,0,"ONLY");
+ Float_t cosL = 1./TMath::Sqrt(1.+tanL*tanL);
+ Float_t sandThick = 2.14; // cone composite thickness
- // G10 plug
- dm[0] = 76.;
- dm[1] = 78.;
- dm[2] = 1.;
+ //
- gMC->Gsvolu("TPG2","TUBE",idtmed[8],dm,3);
+ dm[6]= -253.6;
+ dm[7]= 59.0 + (253.6-73.3)*tanL;
+ dm[8]= 74.8;
- z0 = 251.;
+ //
- gMC->Gspos("TPG2",1,"TPC ",0.,0.,z0,0,"ONLY");
- gMC->Gspos("TPG2",2,"TPC ",0.,0.,-z0,0,"ONLY");
+ dm[9]= -253.6;
+ dm[10]= dm[7];
+ dm[11]= dm[7]+sandThick/cosL;
+ //
- //---------------------------------------------------------
- // central wheel 6 (radial direction) x 4 (along z) cm2
- //---------------------------------------------------------
+ dm[12]= -75.6;
+ dm[13]= 59.0+(75.6-73.3)*tanL;
+ dm[14]= dm[13]+sandThick/cosL;
+
+ //
+
+ dm[15]= -75.6;
+ dm[16]= dm[13];
+ dm[17]= 60.65;
+
+ //
+
+ dm[18]= -73.3;
+ dm[19]= 59.0;
+ dm[20]= 60.65;
+
+ //
+
+ dm[21]= -73.3;
+ dm[22]= 56.9;
+ dm[23]= 60.65;
+
+ //
+
+ dm[24]= -72.1;
+ dm[25]= 56.9;
+ dm[26]= 60.65;
+
+ gMC->Gsvolu("TICL","PCON",idtmed[4],dm,27);
+
+ // Daughter volumes
+
+ // Tpc SAndwich 9 - Al
+
+ dm[0]= 0.;
+ dm[1]= 360.;
+ dm[2]= 2.;
+
+ //
+
+ dm[3]= - 254.3;
+ dm[4]= 59.0+(254.3-73.3)*tanL;
+ dm[5]= dm[4]+sandThick/cosL;
+
+ //
+
+ dm[6]= -78.3;
+ dm[7]= 59.0+(78.3-73.3)*tanL;
+ dm[8]= dm[7]+sandThick/cosL;
+
+ //
+
+ gMC->Gsvolu("TSA9","PCON",idtmed[4],dm,9);
+
+ // Tpc SAndwich 10 - Tedlar
+
+ dm[4]+= 5.e-3/cosL;
+ dm[5]-= 5.e-3/cosL;
+
+ //
+
+ dm[7]+= 5.e-3/cosL;
+ dm[8]+= 5.e-3/cosL;
+
+ gMC->Gsvolu("TS10","PCON",idtmed[9],dm,9);
- dm[0] = 140.;
- dm[1] = 146.;
- dm[2] = 2.;
+ // Tpc SAndwich 11 - Kevlar
- gMC->Gsvolu("TPWC","TUBE",idtmed[0],dm,3);
+ dm[4]+= 5.e-3/cosL;
+ dm[5]-= 5.e-3/cosL;
- dm[0] = dm[0] + 2.;
- dm[1] = dm[1] - 2.;
- dm[2] = dm[2] - 1.;
+ //
+
+ dm[7]+= 5.e-3/cosL;
+ dm[8]+= 5.e-3/cosL;
- gMC->Gsposp("TPWI",2,"TPWC",0.,0.,0.,0,"ONLY",dm,3);
+ gMC->Gsvolu("TS11","PCON",idtmed[5],dm,9);
- z0 = z_side - 1.9 - 2.;
+ // Tpc SAndwich 12 - NOMEX
- gMC->Gspos("TPWC",1,"TPSG",0.,0.,z0,0,"ONLY");
+ dm[4]+= 0.06/cosL;
+ dm[5]-= 0.06/cosL;
//
- gMC->Gsvolu("TPSE","BOX ",idtmed[24],dm,0); // "empty" part of the spoke
+ dm[7]+= 0.06/cosL;
+ dm[8]+= 0.06/cosL;
+
+ gMC->Gsvolu("TS12","PCON",idtmed[6],dm,9);
+
+ // 12->11->10->9
+ gMC->Gspos("TS12",1,"TS11",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY");
+
+ // TSA9->TICL
+
+ gMC->Gspos("TSA9",1,"TICL",0.,0.,0.,0,"ONLY");
- //---------------------------------------------------------
- // inner spokes (nSectorInner)
- //---------------------------------------------------------
+ //--------------------------------------------------------------------
+ // Tpc Inner Containment vessel, Right part
+ // mother volume - Al, daughter - composite (sandwich)
+ //--------------------------------------------------------------------
- dm[0] = 0.5*(139.9-82.1);
- dm[1] = 3.;
- dm[2] = 2.;
+ dm[0]= 0.;
+ dm[1]= 360.;
+ dm[2]=8.;
- Float_t x1 = dm[0]+82.;
+ //
- gMC->Gsvolu("TPSI","BOX",idtmed[0],dm,3);
+ dm[3]= 72.1;
+ dm[4]= 56.9;
+ dm[5]= 60.65;
- dm[1] = dm[1]-1.;
- dm[2] = dm[2]-1.;
+ //
- gMC->Gsposp("TPSE",1,"TPSI",0.,0.,0.,0,"ONLY",dm,3);
+ dm[6]= 73.3;
+ dm[7]= 56.9;
+ dm[8]= 60.65;
- for(ns=0;ns<nInnerSector;ns++){
+ //
- phi1 = 0.5*InnerOpenAngle + ns*InnerOpenAngle + InnerAngleShift;
- theta1=90.;
- phi1 *=kRaddeg;
+ dm[9]= 73.3;
+ dm[10]= 59.0;
+ dm[11]= 60.65;
- phi1 = (Float_t)TMath::Nint(phi1);
+ //
- phi2 = phi1+90.;
- if(phi2>360.) phi2 -= 360.;
- theta2=90.;
- phi3=0.;
- theta3=0.;
+ Float_t tanR = (66.0-59.0)/(250.5-73.3); // to avoid accuracy problems
+ Float_t cosR = 1./TMath::Sqrt(1.+tanR*tanR); //as above
- alpha = phi1 * kDegrad;
- x = x1 * TMath::Cos(alpha);
- y = x1 * TMath::Sin(alpha);
+ //
- AliMatrix(idrotm[nRotMat],theta1,phi1,theta2,phi2,theta3,phi3);
+ dm[12]= 75.6;
+ dm[13]= 59.0+(75.6-73.3)*tanR;
+ dm[14]= 60.65;
- gMC->Gspos("TPSI",ns+1,"TPSG",x,y,z0,idrotm[nRotMat],"ONLY");
+ //
- nRotMat++;
+ dm[15]= 75.6;
+ dm[16]= dm[13];
+ dm[17]= dm[16]+sandThick/cosR;
- }
+ //
- //-------------------------------------------------------------
- // outer spokes (nSectorOuter)
- //-------------------------------------------------------------
+ dm[18]= 248.4;
+ dm[19]= 59.0+(248.4-73.3)*tanR;
+ dm[20]= dm[19]+sandThick/cosR;
- dm[0] = 0.5*(257.9-146.1);
- dm[1] = 3.;
- dm[2] = 2.;
+ //
- x1 = dm[0] + 146.;
+ dm[21]= 248.4;
+ dm[22]= dm[19];
+ dm[23]= 70.2;
- gMC->Gsvolu("TPSO","BOX ",idtmed[0],dm,3);
+ //
- dm[1] = dm[1] - 1.;
- dm[2] = dm[2] - 1.;
+ dm[24]= 250.4;
+ dm[25]= 66.0;
+ dm[26]= 70.2;
- gMC->Gsposp("TPSE",2,"TPSO",0.,0.,0.,0,"ONLY",dm,3);
+ gMC->Gsvolu("TICR","PCON",idtmed[4],dm,27);
- for(ns=0;ns<nOuterSector;ns++){
- phi1 = 0.5*OuterOpenAngle + ns*OuterOpenAngle + OuterAngleShift;
- theta1=90.;
- phi1 *=kRaddeg;
- phi1 = (Float_t)TMath::Nint(phi1);
+ // Daughter volumes
- phi2 = phi1+90.;
- if(phi2>360.) phi2 -= 360.;
- theta2=90.;
- phi3=0.;
- theta3=0.;
+ // Tpc SAndwich 13 - Al
- alpha = phi1 * kDegrad;
- x = x1 * TMath::Cos(alpha);
- y = x1 * TMath::Sin(alpha);
+ dm[0]= 0.;
+ dm[1]= 360.;
+ dm[2]= 2.;
- AliMatrix(idrotm[nRotMat],theta1,phi1,theta2,phi2,theta3,phi3);
+ //
- gMC->Gspos("TPSO",ns+1,"TPSG",x,y,z0,idrotm[nRotMat],"ONLY");
+ dm[3]= 78.3;
+ dm[4]= 59.0+(78.3-73.3)*tanR;
+ dm[5]= dm[4]+sandThick/cosR;
- nRotMat++;
+ //
- }
-
+ dm[6]= 249.1;
+ dm[7]= 59.0+(249.1-73.3)*tanR;
+ dm[8]= dm[7]+sandThick/cosR;
-
- // --------------------------------------------------------
- // put the readout chambers into the TPC
- // --------------------------------------------------------
+ //
- theta1 = 90.;
- phi1 = 0.;
- theta2 = 90.;
- phi2 = 270.;
- theta3 = 180.;
- phi3 = 0.;
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- z0 = z_side + 250.;
-
- gMC->Gspos("TPSG", 1, "TPC ", 0, 0, z0, 0, "ONLY");
- gMC->Gspos("TPSG", 2, "TPC ", 0, 0, -z0, idrotm[nRotMat], "ONLY");
-
- gMC->Gspos("TPC ", 1, "ALIC", 0, 0, 0, 0, "ONLY");
+ gMC->Gsvolu("TS13","PCON",idtmed[4],dm,9);
- //----------------------------------------------------
- // Inner vessel and HV degrader
- //----------------------------------------------------
+ // Tpc SAndwich 14 - Tedlar
- dm[0] = 0.;
- dm[1] = 360.;
- dm[2] = 4.;
-
- dm[3] = -250.;
- dm[4] = 74.4;
- dm[5] = 76.;
+ dm[4]+= 5.e-3/cosR;
+ dm[5]-= 5.e-3/cosR;
- dm[6] = -64.5;
- dm[7] = 50.;
- dm[8] = 76.;
+ //
+
+ dm[7]+= 5.e-3/cosR;
+ dm[8]+= 5.e-3/cosR;
- dm[9] = 64.5;
- dm[10] = 50.;
- dm[11] = 76.;
+ gMC->Gsvolu("TS14","PCON",idtmed[9],dm,9);
- dm[12] = 250.;
- dm[13] = 74.4;
- dm[14] = 76.;
+ // Tpc SAndwich 15 - Kevlar
- gMC->Gsvolu("TPVD", "PCON", idtmed[12], dm, 15); // CO2
+ dm[4]+= 5.e-3/cosR;
+ dm[5]-= 5.e-3/cosR;
- // cone parts
+ //
- dm[0] = 0.;
- dm[1] = 360.;
- dm[2] = 2.;
+ dm[7]+= 5.e-3/cosR;
+ dm[8]+= 5.e-3/cosR;
- dm[3] = 64.5;
- dm[4] = 50.;
- dm[5] = 51.6;
-
- dm[6] = 250.;
- dm[7] = 74.4;
- dm[8] = 76.;
+ gMC->Gsvolu("TS15","PCON",idtmed[5],dm,9);
+ // Tpc SAndwich 16 - NOMEX
- gMC->Gsvolu("TIVC","PCON",idtmed[11],dm,9); // C-fibre
+ dm[4]+= 0.06/cosR;
+ dm[5]-= 0.06/cosR;
- gMC->Gspos("TIVC",1,"TPVD",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TIVC",2,"TPVD",0.,0.,0.,idrotm[nRotMat],"ONLY");
+ //
- // barrel part
+ dm[7]+= 0.06/cosR;
+ dm[8]+= 0.06/cosR;
- dm[0] = 50.;
- dm[1] = 50.5;
- dm[2] = 64.5;
+ gMC->Gsvolu("TS16","PCON",idtmed[6],dm,9);
- gMC->Gsvolu("TIVB","TUBE",idtmed[9],dm,3);
+ // 16->15->14->13
- gMC->Gspos("TIVB",1,"TPVD",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS15",1,"TS14",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TPVD",1,"ALIC",0.,0.,0.,0,"ONLY");
+ // TS12->TICR
-
+ gMC->Gspos("TS13",1,"TICR",0.,0.,0.,0,"ONLY");
+
+ //------------------------------------------------------
+ // Tpc Inner Field Cage
+ // mother volume - Al, daughters - composite (sandwich)
+ //------------------------------------------------------
+
+ dm[0]= 0.;
+ dm[1]= 360.;
+ dm[2]=6.;
+
+ //
+ dm[3]= -253.0;
+ dm[4]= 70.7;
+ dm[5]= 79.2;
+
+ //
+
+ dm[6]= -251.0;
+ dm[7]= 70.7;
+ dm[8]= 79.2;
+
+ //
+
+ dm[9]= -251.0;
+ dm[10]= 77.15;
+ dm[11]= 79.2;
+
+ //
+ dm[12]= 251.0;
+ dm[13]= 77.15;
+ dm[14]= 79.2;
+
+ //
+
+ dm[15]= 251.0;
+ dm[16]= 66.0;
+ dm[17]= 79.2;
+
+ //
+
+ dm[18]= 253.0;
+ dm[19]= 66.0;
+ dm[20]= 79.2;
+
+ gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,21);
+
+ // Daughter volumes
+
+ // Tpc Sandwich 17 - Tedlar
+
+ dm[0]= 77.15;
+ dm[1]= 79.2;
+ dm[2]= 251.7;
+
+ gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3);
+
+ // Tpc Sandwich 18 - Kevlar
+
+ dm[0]+= 5.e-3;
+ dm[1]-= 5.e-3;
+
+ gMC->Gsvolu("TS18","TUBE",idtmed[5],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
+
+ gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY");
+
+ // TS17->TIFC
+
+ gMC->Gspos("TS17",1,"TIFC",0.,0.,0.,0,"ONLY");
+
+ // TPC Rings
+
+ dm[0]= 70.7;
+ dm[1]= 79.2;
+ dm[2]= 0.3;
+
+ gMC->Gsposp("TPCR",4,"TIIN",0.,0.,-253.3,0,"ONLY",dm,3);
+
+ dm[0]= 66.0;
+ dm[1]= 70.2;
+
+ gMC->Gsposp("TPCR",5,"TIIN",0.,0.,250.7,0,"ONLY",dm,3);
+
+ dm[0]= 75.3;
+ dm[1]= 79.2;
+
+ gMC->Gsposp("TPCR",6,"TIIN",0.,0.,253.3,0,"ONLY",dm,3);
+
+ // TICL->TIIN
+
+ gMC->Gspos("TICL",1,"TIIN",0.,0.,0.,0,"ONLY");
+
+ // TICR->TIIN
+
+ gMC->Gspos("TICR",1,"TIIN",0.,0.,0.,0,"ONLY");
+
+ // TIFC->TIIN
+
+ gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY");
+
+ // Tpc Sandwich 21 - Al (central barrel)
+
+ dm[0]= 60.65;
+ dm[1]= 61.21;
+ dm[2]= 75.2;
+
+ gMC->Gsvolu("TS21","TUBE",idtmed[4],dm,3);
+
+ // Tpc Sandwich 22 - Tedlar (central barrel)
+
+ dm[0]+= 5.e-3;
+ dm[1]-= 5.e-3;
+
+ gMC->Gsvolu("TS22","TUBE",idtmed[9],dm,3);
+
+ // Tpc Sandwich 23 - Kevlar (central barrel)
+
+ dm[0]+= 5.e-3;
+ dm[1]-= 5.e-3;
+
+ gMC->Gsvolu("TS23","TUBE",idtmed[5],dm,3);
+
+ // Tpc Sandwich 24 - NOMEX (central barrel)
+
+ dm[0]+= 0.02;
+ dm[1]-= 0.02;
+
+ gMC->Gsvolu("TS24","TUBE",idtmed[6],dm,3);
+
+ // 24->23->22->21
+
+ gMC->Gspos("TS24",1,"TS23",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS23",1,"TS22",0.,0.,0.,0,"ONLY");
+ gMC->Gspos("TS22",1,"TS21",0.,0.,0.,0,"ONLY");
+
+ gMC->Gspos("TS21",1,"TIIN",0.,0.,0.,0,"ONLY");
+
+ // put everything into the TPC
+
+ gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY");
+
+
+ //---------------------------------------------------------
+ // 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();
+
+ // sector angle shift
+
+ Float_t innerAngleShift = fTPCParam->GetInnerAngleShift();
+
+ // number of sectors
+
+ Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
+ Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
+
+ // All above parameters are identical for inner and outer
+ // sectors. The distinction is kept for the historical reasons
+ // and eventually will disappear.
+
+ Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle);
+ Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha);
+ Float_t space;
+
+ //-------------------------------------------------------------------------
+ // Tpc Inner Readout Chambers
+ //-------------------------------------------------------------------------
+
+ dm[0]= 14.483;
+ dm[1]= 23.3345;
+ dm[2]= 1.6; // thickness
+ dm[3]= 25.1;
+
+ gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4);
+
+ // this volume will be positioned in the empty space
+ // of the end-cap to avoid overlaps
+
+ dm[0]= 13.7305;
+ dm[1]= 21.1895;
+ dm[2]= 2.25;
+ dm[3]= 21.15;
+
+ gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4);
+
+
+ //------------------------------------------------
+ // Tpc Inner readout chamber Pad Plane
+ //------------------------------------------------
+
+ dm[0]= 14.483;
+ dm[1]= 23.3345;
+ dm[2]= 0.5;
+ dm[3]= 25.1;
+
+ gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4);
+
+ //
+
+ dm[0] -= 1.218511934;
+ dm[1] -= 1.218511934;
+ dm[2] = 0.35;
+
+ gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4);
+
+ gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY");
+
+ gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY");
+
+
+ //----------------------------------------------
+ // Tpc Readout Chambers Empty spaces - for both
+ // inner and outer sectors
+ //----------------------------------------------
+
+ gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0);
+
+ // Inner sector - 4 spaces
+
+
+ dm[3] = 4.7625;
+ dm[0] = 12.472;
+
+ Float_t rr = 90.52;
+ Float_t zz;
+
+ zz= -12.7875;
+
+ space = rr*tanAlpha-dm[0];
+
+ for(Int_t nsLow=0;nsLow<4;nsLow++){
+
+ rr += 9.525;
+ dm[1]= rr*tanAlpha - space;
+
+ dm[2]=0.8;
+
+ gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4);
+
+ //
+
+ dm[2] = 1.2;
+
+ gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4);
+
+ rr += 0.4;
+ dm[0] = rr*tanAlpha - space;
+ zz += (0.4+9.525);
+
+ }
+
+ dm[0]= 12.472;
+ // dm[1] - this is the dm[1] from the previous TRCE
+ dm[2]= 1.05;
+ dm[3]= 19.65;
+
+ gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4);
+
+ //
+ // TPc Space for Connectors
+ //
+
+ dm[0]= .3;
+ dm[1]= .3;
+ dm[2]= 4.5;
+
+ gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3);
+
+ // TPC Connectors
+
+ dm[0]= .25;
+ dm[1]= .15;
+ dm[2]= 3.75;
+
+ gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3);
+
+ gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY");
+
+ zz = -12.7875;
+
+
+ Float_t alpha;
+ Float_t astep;
+
+ Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles
+
+ // 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]= 75.3;
+ dm[1]= 264.8;
+ dm[2]= 3.0;
+
+ gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3);
+
+ // TPc Extra Wheel (to avoid overlapping) - Al
+
+ dm[0]= 264.8;
+ dm[1]= 277.0;
+ dm[2]= 1.95;
+
+ gMC->Gsvolu("TPEW","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= 1.4/cosAlpha; // wheel ribs are 2.8 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]= 0.95;
+ dm[3]= 1.275;
+
+ zBar = -dR+dm[3];
+
+ gMC->Gsposp("TESB",1,"TESR",0.,2.05,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.,2.05,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.,2.05,zBar,0,"ONLY",dm,4);
+
+ // positioning of the empty spaces into the main wheel
+
+
+
+ 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");
+
+ 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");
+
+ 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++;
+
+ }
+
+ // reflection matrix
+
+ theta1 = 90.;
+ phi1 = 0.;
+ theta2 = 90.;
+ phi2 = 270.;
+ theta3 = 180.;
+ phi3 = 0.;
+
+ AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
+
+
+ // TPMW->TPC
+
+ gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY");
+ gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[nRotMat],"ONLY");
+ gMC->Gspos("TPEW",1,"TPC ",0.,0.,257.65,0,"ONLY");
+ gMC->Gspos("TPEW",2,"TPC ",0.,0.,-257.65,0,"ONLY");
+
+
+
+ //-------------------------------------------------------
+ // Tpc High Voltage Membrane - NOMEX honeycomb
+ //-------------------------------------------------------
+
+ dm[0]=0.,
+ dm[1]=360.;
+ dm[2]=18.;
+ dm[3]=2.;
+
+ //
+
+ dm[4]= -0.3;
+ dm[5]= 81.156;
+ dm[6]= 253.386;
+
+ //
+
+ dm[7]= 0.3;
+ dm[8]= dm[5];
+ dm[9]= dm[6];
+
+ gMC->Gsvolu("THVM","PGON",idtmed[6],dm,10);
+
+ gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY");
+
+ //----------------------------------------------------------
+ // TPc Support Rods - MAKROLON
+ //----------------------------------------------------------
+
+ dm[0]= 0.9;
+ dm[1]= 1.2;
+ dm[2]= 126.65;
+
+ gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,3);
+
+ for(Int_t nrod=1;nrod<18;nrod++){
+ Float_t angle=innerOpenAngle*(Float_t)nrod;
+
+ xc=82.4*TMath::Cos(angle);
+ yc=82.4*TMath::Sin(angle);
+
+ gMC->Gspos("TPSR",nrod,"TDGN",xc,yc,126.95,0,"ONLY");
+ gMC->Gspos("TPSR",nrod+17,"TDGN",xc,yc,-126.95,0,"ONLY");
+
+ xc=254.2*TMath::Cos(angle);
+ yc=254.2*TMath::Sin(angle);
+
+ gMC->Gspos("TPSR",nrod+34,"TDGN",xc,yc,126.95,0,"ONLY");
+ gMC->Gspos("TPSR",nrod+51,"TDGN",xc,yc,-126.95,0,"ONLY");
+
+ }
+
+ //----------------------------------------------------------
+ // Tpc High Voltage rod - MAKROLON + Copper cable
+ //----------------------------------------------------------
+
+ // rod with cable (Left)
+
+ dm[0]=0.;
+ dm[1]=2.25;
+ dm[2]=126.65;
+
+ gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3);
+
+ // HV cable
+
+ dm[0]=0.;
+ dm[1]=0.3;
+ dm[2]=126.65;
+
+ gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3);
+
+ // empty space
+
+ dm[0]=0.3;
+ dm[1]=1.;
+ dm[2]=126.65;
+
+ 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]=126.65;
+
+ gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3);
+
+
+
+ gMC->Gspos("THVL",1,"TDGN",82.4,0.,-126.95,0,"ONLY");
+ gMC->Gspos("THVL",2,"TDGN",254.2,0.,-126.95,0,"ONLY");
+
+ gMC->Gspos("THVR",1,"TDGN",82.4,0.,126.95,0,"ONLY");
+ gMC->Gspos("THVR",2,"TDGN",254.2,0.,126.95,0,"ONLY");
+
+
+
+ gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY");
+
+
+ // services wheel cover -> wheel
+
+
+ gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY");
+ gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY");
+
+
+ // put the wheel into the TPC
+
+ gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY");
+ gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY");
+
+ //
+
+ gMC->Gsord("TPMW",6);
+ gMC->Gsord("TSSW",6);
+ gMC->Gsord("TSWC",6);
+
+ // put the TPC into ALIC (main mother volume)
- // ---------------------------------------------------
- // volumes ordering
- // ---------------------------------------------------
- gMC->Gsord("TPSG", 6);
+ gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY");
} // end of function
gMC->Gsatt("ALIC","SEEN",0);
//
// Set the volumes visible
- gMC->Gsatt("TPC","SEEN",0);
- gMC->Gsatt("TGAS","SEEN",0);
- gMC->Gsatt("TPSG","SEEN",0);
- gMC->Gsatt("TPHV","SEEN",1);
- gMC->Gsatt("TPMH","SEEN",1);
- gMC->Gsatt("TPEC","SEEN",0);
- gMC->Gsatt("TRCS","SEEN",1);
- gMC->Gsatt("TRCL","SEEN",1);
- gMC->Gsatt("TPWL","SEEN",1);
- gMC->Gsatt("TPWI","SEEN",1);
- gMC->Gsatt("TPWS","SEEN",1);
- gMC->Gsatt("TPW1","SEEN",1);
- gMC->Gsatt("TPS1","SEEN",1);
- gMC->Gsatt("TPS2","SEEN",1);
- gMC->Gsatt("TPG1","SEEN",1);
- gMC->Gsatt("TPG2","SEEN",1);
- gMC->Gsatt("TPWC","SEEN",1);
- gMC->Gsatt("TPSI","SEEN",1);
- gMC->Gsatt("TPSO","SEEN",1);
- gMC->Gsatt("TPCO","SEEN",1);
- gMC->Gsatt("TPOV","SEEN",1);
- gMC->Gsatt("TPVD","SEEN",1);
+ gMC->Gsatt("TPC ","SEEN",0);
+ gMC->Gsatt("TOIN","SEEN",1);
+ gMC->Gsatt("TOIN","COLO",7);
+ gMC->Gsatt("TPCR","SEEN",0);
+ 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("TOFC","SEEN",1);
+ gMC->Gsatt("TOFC","COLO",4);
+ gMC->Gsatt("TSA5","SEEN",0);
+ gMC->Gsatt("TSA6","SEEN",0);
+ gMC->Gsatt("TSA7","SEEN",0);
+ gMC->Gsatt("TIIN","COLO",7);
+ gMC->Gsatt("TIIN","SEEN",1);
+ gMC->Gsatt("TICL","SEEN",0);
+ gMC->Gsatt("TSA9","SEEN",0);
+ gMC->Gsatt("TS10","SEEN",0);
+ gMC->Gsatt("TS11","SEEN",0);
+ gMC->Gsatt("TS12","SEEN",0);
+ gMC->Gsatt("TICR","SEEN",0);
+ gMC->Gsatt("TS13","SEEN",0);
+ gMC->Gsatt("TS14","SEEN",0);
+ gMC->Gsatt("TS15","SEEN",0);
+ gMC->Gsatt("TS16","SEEN",0);
+ gMC->Gsatt("TIFC","SEEN",1);
+ gMC->Gsatt("TIFC","COLO",4);
+ gMC->Gsatt("TS17","SEEN",0);
+ gMC->Gsatt("TS18","SEEN",0);
+ gMC->Gsatt("TS19","SEEN",0);
+ gMC->Gsatt("TS21","SEEN",0);
+ gMC->Gsatt("TS22","SEEN",0);
+ gMC->Gsatt("TS23","SEEN",0);
+ gMC->Gsatt("TS24","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("TSCE","SEEN",1);
+ gMC->Gsatt("TSSW","COLO",3);
+ gMC->Gsatt("TSWC","COLO",3);
+ gMC->Gsatt("TSCE","COLO",6);
+ gMC->Gsatt("TWES","SEEN",0);
+ gMC->Gsatt("TSWB","SEEN",0);
+ gMC->Gsatt("TPEL","SEEN",0);
+ gMC->Gsatt("TPMW","SEEN",1);
+ gMC->Gsatt("TPEW","SEEN",1);
+ gMC->Gsatt("TESR","SEEN",1);
+ gMC->Gsatt("TPMW","COLO",12);
+ gMC->Gsatt("TPEW","COLO",12);
+ gMC->Gsatt("TWES","COLO",5);
+ 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("TPSR","SEEN",0);
+ gMC->Gsatt("THVL","SEEN",0);
+ gMC->Gsatt("THVC","SEEN",0);
+ gMC->Gsatt("THVE","SEEN",0);
+ gMC->Gsatt("THVR","SEEN",0);
//
gMC->Gdopt("hide", "on");
gMC->Gdopt("shad", "on");
gMC->Gsatt("*", "fill", 7);
gMC->SetClipBox(".");
- gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
+ 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");
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff